fb6776e84a
Unified parameter order of CreateHandle with the rest of v8 on the way. A few Isolate::Current()s had to be introduced, which is not nice, and not every place will win a beauty contest, but we can clean this up later easily in smaller steps. Review URL: https://codereview.chromium.org/12300018 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13717 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
7537 lines
247 KiB
C++
7537 lines
247 KiB
C++
// Copyright 2012 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifdef ENABLE_DEBUGGER_SUPPORT
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#include <stdlib.h>
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#include "v8.h"
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#include "api.h"
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#include "cctest.h"
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#include "compilation-cache.h"
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#include "debug.h"
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#include "deoptimizer.h"
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#include "platform.h"
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#include "stub-cache.h"
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#include "utils.h"
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using ::v8::internal::EmbeddedVector;
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using ::v8::internal::Object;
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using ::v8::internal::OS;
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using ::v8::internal::Handle;
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using ::v8::internal::Heap;
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using ::v8::internal::JSGlobalProxy;
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using ::v8::internal::Code;
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using ::v8::internal::Debug;
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using ::v8::internal::Debugger;
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using ::v8::internal::CommandMessage;
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using ::v8::internal::CommandMessageQueue;
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using ::v8::internal::StepAction;
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using ::v8::internal::StepIn; // From StepAction enum
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using ::v8::internal::StepNext; // From StepAction enum
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using ::v8::internal::StepOut; // From StepAction enum
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using ::v8::internal::Vector;
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using ::v8::internal::StrLength;
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// Size of temp buffer for formatting small strings.
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#define SMALL_STRING_BUFFER_SIZE 80
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// --- A d d i t i o n a l C h e c k H e l p e r s
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// Helper function used by the CHECK_EQ function when given Address
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// arguments. Should not be called directly.
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static inline void CheckEqualsHelper(const char* file, int line,
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const char* expected_source,
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::v8::internal::Address expected,
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const char* value_source,
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::v8::internal::Address value) {
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if (expected != value) {
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V8_Fatal(file, line, "CHECK_EQ(%s, %s) failed\n# "
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"Expected: %i\n# Found: %i",
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expected_source, value_source, expected, value);
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}
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}
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// Helper function used by the CHECK_NE function when given Address
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// arguments. Should not be called directly.
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static inline void CheckNonEqualsHelper(const char* file, int line,
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const char* unexpected_source,
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::v8::internal::Address unexpected,
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const char* value_source,
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::v8::internal::Address value) {
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if (unexpected == value) {
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V8_Fatal(file, line, "CHECK_NE(%s, %s) failed\n# Value: %i",
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unexpected_source, value_source, value);
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}
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}
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// Helper function used by the CHECK function when given code
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// arguments. Should not be called directly.
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static inline void CheckEqualsHelper(const char* file, int line,
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const char* expected_source,
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const Code* expected,
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const char* value_source,
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const Code* value) {
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if (expected != value) {
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V8_Fatal(file, line, "CHECK_EQ(%s, %s) failed\n# "
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"Expected: %p\n# Found: %p",
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expected_source, value_source, expected, value);
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}
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}
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static inline void CheckNonEqualsHelper(const char* file, int line,
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const char* expected_source,
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const Code* expected,
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const char* value_source,
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const Code* value) {
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if (expected == value) {
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V8_Fatal(file, line, "CHECK_NE(%s, %s) failed\n# Value: %p",
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expected_source, value_source, value);
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}
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}
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// --- H e l p e r C l a s s e s
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// Helper class for creating a V8 enviromnent for running tests
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class DebugLocalContext {
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public:
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inline DebugLocalContext(
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v8::ExtensionConfiguration* extensions = 0,
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v8::Handle<v8::ObjectTemplate> global_template =
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v8::Handle<v8::ObjectTemplate>(),
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v8::Handle<v8::Value> global_object = v8::Handle<v8::Value>())
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: context_(v8::Context::New(extensions, global_template, global_object)) {
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context_->Enter();
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}
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inline ~DebugLocalContext() {
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context_->Exit();
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context_.Dispose(context_->GetIsolate());
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}
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inline v8::Context* operator->() { return *context_; }
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inline v8::Context* operator*() { return *context_; }
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inline bool IsReady() { return !context_.IsEmpty(); }
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void ExposeDebug() {
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v8::internal::Isolate* isolate =
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reinterpret_cast<v8::internal::Isolate*>(context_->GetIsolate());
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v8::internal::Debug* debug = isolate->debug();
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// Expose the debug context global object in the global object for testing.
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debug->Load();
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debug->debug_context()->set_security_token(
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v8::Utils::OpenHandle(*context_)->security_token());
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Handle<JSGlobalProxy> global(Handle<JSGlobalProxy>::cast(
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v8::Utils::OpenHandle(*context_->Global())));
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Handle<v8::internal::String> debug_string =
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FACTORY->LookupOneByteSymbol(STATIC_ASCII_VECTOR("debug"));
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SetProperty(isolate, global, debug_string,
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Handle<Object>(debug->debug_context()->global_proxy(), isolate),
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DONT_ENUM,
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::v8::internal::kNonStrictMode);
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}
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private:
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v8::Persistent<v8::Context> context_;
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};
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// --- H e l p e r F u n c t i o n s
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// Compile and run the supplied source and return the fequested function.
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static v8::Local<v8::Function> CompileFunction(DebugLocalContext* env,
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const char* source,
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const char* function_name) {
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v8::Script::Compile(v8::String::New(source))->Run();
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return v8::Local<v8::Function>::Cast(
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(*env)->Global()->Get(v8::String::New(function_name)));
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}
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// Compile and run the supplied source and return the requested function.
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static v8::Local<v8::Function> CompileFunction(const char* source,
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const char* function_name) {
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v8::Script::Compile(v8::String::New(source))->Run();
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return v8::Local<v8::Function>::Cast(
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v8::Context::GetCurrent()->Global()->Get(v8::String::New(function_name)));
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}
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// Is there any debug info for the function?
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static bool HasDebugInfo(v8::Handle<v8::Function> fun) {
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Handle<v8::internal::JSFunction> f = v8::Utils::OpenHandle(*fun);
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Handle<v8::internal::SharedFunctionInfo> shared(f->shared());
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return Debug::HasDebugInfo(shared);
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}
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// Set a break point in a function and return the associated break point
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// number.
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static int SetBreakPoint(Handle<v8::internal::JSFunction> fun, int position) {
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static int break_point = 0;
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v8::internal::Isolate* isolate = fun->GetIsolate();
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v8::internal::Debug* debug = isolate->debug();
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debug->SetBreakPoint(
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fun,
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Handle<Object>(v8::internal::Smi::FromInt(++break_point), isolate),
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&position);
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return break_point;
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}
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// Set a break point in a function and return the associated break point
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// number.
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static int SetBreakPoint(v8::Handle<v8::Function> fun, int position) {
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return SetBreakPoint(v8::Utils::OpenHandle(*fun), position);
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}
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// Set a break point in a function using the Debug object and return the
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// associated break point number.
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static int SetBreakPointFromJS(const char* function_name,
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int line, int position) {
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EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
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OS::SNPrintF(buffer,
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"debug.Debug.setBreakPoint(%s,%d,%d)",
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function_name, line, position);
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buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0';
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v8::Handle<v8::String> str = v8::String::New(buffer.start());
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return v8::Script::Compile(str)->Run()->Int32Value();
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}
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// Set a break point in a script identified by id using the global Debug object.
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static int SetScriptBreakPointByIdFromJS(int script_id, int line, int column) {
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EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
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if (column >= 0) {
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// Column specified set script break point on precise location.
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OS::SNPrintF(buffer,
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"debug.Debug.setScriptBreakPointById(%d,%d,%d)",
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script_id, line, column);
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} else {
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// Column not specified set script break point on line.
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OS::SNPrintF(buffer,
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"debug.Debug.setScriptBreakPointById(%d,%d)",
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script_id, line);
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}
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buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0';
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{
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v8::TryCatch try_catch;
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v8::Handle<v8::String> str = v8::String::New(buffer.start());
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v8::Handle<v8::Value> value = v8::Script::Compile(str)->Run();
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CHECK(!try_catch.HasCaught());
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return value->Int32Value();
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}
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}
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// Set a break point in a script identified by name using the global Debug
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// object.
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static int SetScriptBreakPointByNameFromJS(const char* script_name,
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int line, int column) {
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EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
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if (column >= 0) {
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// Column specified set script break point on precise location.
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OS::SNPrintF(buffer,
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"debug.Debug.setScriptBreakPointByName(\"%s\",%d,%d)",
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script_name, line, column);
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} else {
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// Column not specified set script break point on line.
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OS::SNPrintF(buffer,
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"debug.Debug.setScriptBreakPointByName(\"%s\",%d)",
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script_name, line);
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}
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buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0';
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{
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v8::TryCatch try_catch;
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v8::Handle<v8::String> str = v8::String::New(buffer.start());
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v8::Handle<v8::Value> value = v8::Script::Compile(str)->Run();
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CHECK(!try_catch.HasCaught());
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return value->Int32Value();
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}
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}
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// Clear a break point.
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static void ClearBreakPoint(int break_point) {
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v8::internal::Isolate* isolate = v8::internal::Isolate::Current();
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v8::internal::Debug* debug = isolate->debug();
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debug->ClearBreakPoint(
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Handle<Object>(v8::internal::Smi::FromInt(break_point), isolate));
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}
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// Clear a break point using the global Debug object.
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static void ClearBreakPointFromJS(int break_point_number) {
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EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
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OS::SNPrintF(buffer,
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"debug.Debug.clearBreakPoint(%d)",
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break_point_number);
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buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0';
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v8::Script::Compile(v8::String::New(buffer.start()))->Run();
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}
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static void EnableScriptBreakPointFromJS(int break_point_number) {
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EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
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OS::SNPrintF(buffer,
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"debug.Debug.enableScriptBreakPoint(%d)",
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break_point_number);
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buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0';
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v8::Script::Compile(v8::String::New(buffer.start()))->Run();
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}
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static void DisableScriptBreakPointFromJS(int break_point_number) {
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EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
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OS::SNPrintF(buffer,
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"debug.Debug.disableScriptBreakPoint(%d)",
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break_point_number);
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buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0';
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v8::Script::Compile(v8::String::New(buffer.start()))->Run();
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}
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static void ChangeScriptBreakPointConditionFromJS(int break_point_number,
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const char* condition) {
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EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
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OS::SNPrintF(buffer,
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"debug.Debug.changeScriptBreakPointCondition(%d, \"%s\")",
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break_point_number, condition);
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buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0';
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v8::Script::Compile(v8::String::New(buffer.start()))->Run();
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}
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static void ChangeScriptBreakPointIgnoreCountFromJS(int break_point_number,
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int ignoreCount) {
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EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
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OS::SNPrintF(buffer,
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"debug.Debug.changeScriptBreakPointIgnoreCount(%d, %d)",
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break_point_number, ignoreCount);
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buffer[SMALL_STRING_BUFFER_SIZE - 1] = '\0';
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v8::Script::Compile(v8::String::New(buffer.start()))->Run();
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}
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// Change break on exception.
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static void ChangeBreakOnException(bool caught, bool uncaught) {
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v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug();
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debug->ChangeBreakOnException(v8::internal::BreakException, caught);
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debug->ChangeBreakOnException(v8::internal::BreakUncaughtException, uncaught);
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}
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// Change break on exception using the global Debug object.
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static void ChangeBreakOnExceptionFromJS(bool caught, bool uncaught) {
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if (caught) {
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v8::Script::Compile(
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v8::String::New("debug.Debug.setBreakOnException()"))->Run();
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} else {
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v8::Script::Compile(
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v8::String::New("debug.Debug.clearBreakOnException()"))->Run();
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}
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if (uncaught) {
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v8::Script::Compile(
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v8::String::New("debug.Debug.setBreakOnUncaughtException()"))->Run();
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} else {
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v8::Script::Compile(
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v8::String::New("debug.Debug.clearBreakOnUncaughtException()"))->Run();
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}
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}
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// Prepare to step to next break location.
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static void PrepareStep(StepAction step_action) {
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v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug();
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debug->PrepareStep(step_action, 1);
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}
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// This function is in namespace v8::internal to be friend with class
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// v8::internal::Debug.
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namespace v8 {
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namespace internal {
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// Collect the currently debugged functions.
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Handle<FixedArray> GetDebuggedFunctions() {
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Debug* debug = Isolate::Current()->debug();
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v8::internal::DebugInfoListNode* node = debug->debug_info_list_;
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// Find the number of debugged functions.
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int count = 0;
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while (node) {
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count++;
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node = node->next();
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}
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// Allocate array for the debugged functions
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Handle<FixedArray> debugged_functions =
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FACTORY->NewFixedArray(count);
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// Run through the debug info objects and collect all functions.
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count = 0;
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while (node) {
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debugged_functions->set(count++, *node->debug_info());
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node = node->next();
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}
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return debugged_functions;
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}
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static Handle<Code> ComputeCallDebugBreak(int argc) {
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return Isolate::Current()->stub_cache()->ComputeCallDebugBreak(argc,
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Code::CALL_IC);
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}
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// Check that the debugger has been fully unloaded.
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void CheckDebuggerUnloaded(bool check_functions) {
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// Check that the debugger context is cleared and that there is no debug
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// information stored for the debugger.
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CHECK(Isolate::Current()->debug()->debug_context().is_null());
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CHECK_EQ(NULL, Isolate::Current()->debug()->debug_info_list_);
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// Collect garbage to ensure weak handles are cleared.
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HEAP->CollectAllGarbage(Heap::kNoGCFlags);
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HEAP->CollectAllGarbage(Heap::kMakeHeapIterableMask);
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// Iterate the head and check that there are no debugger related objects left.
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HeapIterator iterator(HEAP);
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for (HeapObject* obj = iterator.next(); obj != NULL; obj = iterator.next()) {
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CHECK(!obj->IsDebugInfo());
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CHECK(!obj->IsBreakPointInfo());
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// If deep check of functions is requested check that no debug break code
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// is left in all functions.
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if (check_functions) {
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if (obj->IsJSFunction()) {
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JSFunction* fun = JSFunction::cast(obj);
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for (RelocIterator it(fun->shared()->code()); !it.done(); it.next()) {
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RelocInfo::Mode rmode = it.rinfo()->rmode();
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if (RelocInfo::IsCodeTarget(rmode)) {
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CHECK(!Debug::IsDebugBreak(it.rinfo()->target_address()));
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} else if (RelocInfo::IsJSReturn(rmode)) {
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CHECK(!Debug::IsDebugBreakAtReturn(it.rinfo()));
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}
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}
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}
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}
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}
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}
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void ForceUnloadDebugger() {
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Isolate::Current()->debugger()->never_unload_debugger_ = false;
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Isolate::Current()->debugger()->UnloadDebugger();
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}
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} } // namespace v8::internal
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// Check that the debugger has been fully unloaded.
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static void CheckDebuggerUnloaded(bool check_functions = false) {
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// Let debugger to unload itself synchronously
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v8::Debug::ProcessDebugMessages();
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v8::internal::CheckDebuggerUnloaded(check_functions);
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}
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// Inherit from BreakLocationIterator to get access to protected parts for
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// testing.
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class TestBreakLocationIterator: public v8::internal::BreakLocationIterator {
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public:
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explicit TestBreakLocationIterator(Handle<v8::internal::DebugInfo> debug_info)
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: BreakLocationIterator(debug_info, v8::internal::SOURCE_BREAK_LOCATIONS) {}
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v8::internal::RelocIterator* it() { return reloc_iterator_; }
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v8::internal::RelocIterator* it_original() {
|
|
return reloc_iterator_original_;
|
|
}
|
|
};
|
|
|
|
|
|
// Compile a function, set a break point and check that the call at the break
|
|
// location in the code is the expected debug_break function.
|
|
void CheckDebugBreakFunction(DebugLocalContext* env,
|
|
const char* source, const char* name,
|
|
int position, v8::internal::RelocInfo::Mode mode,
|
|
Code* debug_break) {
|
|
v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug();
|
|
|
|
// Create function and set the break point.
|
|
Handle<v8::internal::JSFunction> fun = v8::Utils::OpenHandle(
|
|
*CompileFunction(env, source, name));
|
|
int bp = SetBreakPoint(fun, position);
|
|
|
|
// Check that the debug break function is as expected.
|
|
Handle<v8::internal::SharedFunctionInfo> shared(fun->shared());
|
|
CHECK(Debug::HasDebugInfo(shared));
|
|
TestBreakLocationIterator it1(Debug::GetDebugInfo(shared));
|
|
it1.FindBreakLocationFromPosition(position);
|
|
v8::internal::RelocInfo::Mode actual_mode = it1.it()->rinfo()->rmode();
|
|
if (actual_mode == v8::internal::RelocInfo::CODE_TARGET_WITH_ID) {
|
|
actual_mode = v8::internal::RelocInfo::CODE_TARGET;
|
|
}
|
|
CHECK_EQ(mode, actual_mode);
|
|
if (mode != v8::internal::RelocInfo::JS_RETURN) {
|
|
CHECK_EQ(debug_break,
|
|
Code::GetCodeFromTargetAddress(it1.it()->rinfo()->target_address()));
|
|
} else {
|
|
CHECK(Debug::IsDebugBreakAtReturn(it1.it()->rinfo()));
|
|
}
|
|
|
|
// Clear the break point and check that the debug break function is no longer
|
|
// there
|
|
ClearBreakPoint(bp);
|
|
CHECK(!debug->HasDebugInfo(shared));
|
|
CHECK(debug->EnsureDebugInfo(shared, fun));
|
|
TestBreakLocationIterator it2(Debug::GetDebugInfo(shared));
|
|
it2.FindBreakLocationFromPosition(position);
|
|
actual_mode = it2.it()->rinfo()->rmode();
|
|
if (actual_mode == v8::internal::RelocInfo::CODE_TARGET_WITH_ID) {
|
|
actual_mode = v8::internal::RelocInfo::CODE_TARGET;
|
|
}
|
|
CHECK_EQ(mode, actual_mode);
|
|
if (mode == v8::internal::RelocInfo::JS_RETURN) {
|
|
CHECK(!Debug::IsDebugBreakAtReturn(it2.it()->rinfo()));
|
|
}
|
|
}
|
|
|
|
|
|
// --- D e b u g E v e n t H a n d l e r s
|
|
// ---
|
|
// --- The different tests uses a number of debug event handlers.
|
|
// ---
|
|
|
|
|
|
// Source for the JavaScript function which picks out the function
|
|
// name of a frame.
|
|
const char* frame_function_name_source =
|
|
"function frame_function_name(exec_state, frame_number) {"
|
|
" return exec_state.frame(frame_number).func().name();"
|
|
"}";
|
|
v8::Local<v8::Function> frame_function_name;
|
|
|
|
|
|
// Source for the JavaScript function which pick out the name of the
|
|
// first argument of a frame.
|
|
const char* frame_argument_name_source =
|
|
"function frame_argument_name(exec_state, frame_number) {"
|
|
" return exec_state.frame(frame_number).argumentName(0);"
|
|
"}";
|
|
v8::Local<v8::Function> frame_argument_name;
|
|
|
|
|
|
// Source for the JavaScript function which pick out the value of the
|
|
// first argument of a frame.
|
|
const char* frame_argument_value_source =
|
|
"function frame_argument_value(exec_state, frame_number) {"
|
|
" return exec_state.frame(frame_number).argumentValue(0).value_;"
|
|
"}";
|
|
v8::Local<v8::Function> frame_argument_value;
|
|
|
|
|
|
// Source for the JavaScript function which pick out the name of the
|
|
// first argument of a frame.
|
|
const char* frame_local_name_source =
|
|
"function frame_local_name(exec_state, frame_number) {"
|
|
" return exec_state.frame(frame_number).localName(0);"
|
|
"}";
|
|
v8::Local<v8::Function> frame_local_name;
|
|
|
|
|
|
// Source for the JavaScript function which pick out the value of the
|
|
// first argument of a frame.
|
|
const char* frame_local_value_source =
|
|
"function frame_local_value(exec_state, frame_number) {"
|
|
" return exec_state.frame(frame_number).localValue(0).value_;"
|
|
"}";
|
|
v8::Local<v8::Function> frame_local_value;
|
|
|
|
|
|
// Source for the JavaScript function which picks out the source line for the
|
|
// top frame.
|
|
const char* frame_source_line_source =
|
|
"function frame_source_line(exec_state) {"
|
|
" return exec_state.frame(0).sourceLine();"
|
|
"}";
|
|
v8::Local<v8::Function> frame_source_line;
|
|
|
|
|
|
// Source for the JavaScript function which picks out the source column for the
|
|
// top frame.
|
|
const char* frame_source_column_source =
|
|
"function frame_source_column(exec_state) {"
|
|
" return exec_state.frame(0).sourceColumn();"
|
|
"}";
|
|
v8::Local<v8::Function> frame_source_column;
|
|
|
|
|
|
// Source for the JavaScript function which picks out the script name for the
|
|
// top frame.
|
|
const char* frame_script_name_source =
|
|
"function frame_script_name(exec_state) {"
|
|
" return exec_state.frame(0).func().script().name();"
|
|
"}";
|
|
v8::Local<v8::Function> frame_script_name;
|
|
|
|
|
|
// Source for the JavaScript function which picks out the script data for the
|
|
// top frame.
|
|
const char* frame_script_data_source =
|
|
"function frame_script_data(exec_state) {"
|
|
" return exec_state.frame(0).func().script().data();"
|
|
"}";
|
|
v8::Local<v8::Function> frame_script_data;
|
|
|
|
|
|
// Source for the JavaScript function which picks out the script data from
|
|
// AfterCompile event
|
|
const char* compiled_script_data_source =
|
|
"function compiled_script_data(event_data) {"
|
|
" return event_data.script().data();"
|
|
"}";
|
|
v8::Local<v8::Function> compiled_script_data;
|
|
|
|
|
|
// Source for the JavaScript function which returns the number of frames.
|
|
static const char* frame_count_source =
|
|
"function frame_count(exec_state) {"
|
|
" return exec_state.frameCount();"
|
|
"}";
|
|
v8::Handle<v8::Function> frame_count;
|
|
|
|
|
|
// Global variable to store the last function hit - used by some tests.
|
|
char last_function_hit[80];
|
|
|
|
// Global variable to store the name and data for last script hit - used by some
|
|
// tests.
|
|
char last_script_name_hit[80];
|
|
char last_script_data_hit[80];
|
|
|
|
// Global variables to store the last source position - used by some tests.
|
|
int last_source_line = -1;
|
|
int last_source_column = -1;
|
|
|
|
// Debug event handler which counts the break points which have been hit.
|
|
int break_point_hit_count = 0;
|
|
int break_point_hit_count_deoptimize = 0;
|
|
static void DebugEventBreakPointHitCount(v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
Debug* debug = v8::internal::Isolate::Current()->debug();
|
|
// When hitting a debug event listener there must be a break set.
|
|
CHECK_NE(debug->break_id(), 0);
|
|
|
|
// Count the number of breaks.
|
|
if (event == v8::Break) {
|
|
break_point_hit_count++;
|
|
if (!frame_function_name.IsEmpty()) {
|
|
// Get the name of the function.
|
|
const int argc = 2;
|
|
v8::Handle<v8::Value> argv[argc] = { exec_state, v8::Integer::New(0) };
|
|
v8::Handle<v8::Value> result = frame_function_name->Call(exec_state,
|
|
argc, argv);
|
|
if (result->IsUndefined()) {
|
|
last_function_hit[0] = '\0';
|
|
} else {
|
|
CHECK(result->IsString());
|
|
v8::Handle<v8::String> function_name(result->ToString());
|
|
function_name->WriteAscii(last_function_hit);
|
|
}
|
|
}
|
|
|
|
if (!frame_source_line.IsEmpty()) {
|
|
// Get the source line.
|
|
const int argc = 1;
|
|
v8::Handle<v8::Value> argv[argc] = { exec_state };
|
|
v8::Handle<v8::Value> result = frame_source_line->Call(exec_state,
|
|
argc, argv);
|
|
CHECK(result->IsNumber());
|
|
last_source_line = result->Int32Value();
|
|
}
|
|
|
|
if (!frame_source_column.IsEmpty()) {
|
|
// Get the source column.
|
|
const int argc = 1;
|
|
v8::Handle<v8::Value> argv[argc] = { exec_state };
|
|
v8::Handle<v8::Value> result = frame_source_column->Call(exec_state,
|
|
argc, argv);
|
|
CHECK(result->IsNumber());
|
|
last_source_column = result->Int32Value();
|
|
}
|
|
|
|
if (!frame_script_name.IsEmpty()) {
|
|
// Get the script name of the function script.
|
|
const int argc = 1;
|
|
v8::Handle<v8::Value> argv[argc] = { exec_state };
|
|
v8::Handle<v8::Value> result = frame_script_name->Call(exec_state,
|
|
argc, argv);
|
|
if (result->IsUndefined()) {
|
|
last_script_name_hit[0] = '\0';
|
|
} else {
|
|
CHECK(result->IsString());
|
|
v8::Handle<v8::String> script_name(result->ToString());
|
|
script_name->WriteAscii(last_script_name_hit);
|
|
}
|
|
}
|
|
|
|
if (!frame_script_data.IsEmpty()) {
|
|
// Get the script data of the function script.
|
|
const int argc = 1;
|
|
v8::Handle<v8::Value> argv[argc] = { exec_state };
|
|
v8::Handle<v8::Value> result = frame_script_data->Call(exec_state,
|
|
argc, argv);
|
|
if (result->IsUndefined()) {
|
|
last_script_data_hit[0] = '\0';
|
|
} else {
|
|
result = result->ToString();
|
|
CHECK(result->IsString());
|
|
v8::Handle<v8::String> script_data(result->ToString());
|
|
script_data->WriteAscii(last_script_data_hit);
|
|
}
|
|
}
|
|
|
|
// Perform a full deoptimization when the specified number of
|
|
// breaks have been hit.
|
|
if (break_point_hit_count == break_point_hit_count_deoptimize) {
|
|
i::Deoptimizer::DeoptimizeAll();
|
|
}
|
|
} else if (event == v8::AfterCompile && !compiled_script_data.IsEmpty()) {
|
|
const int argc = 1;
|
|
v8::Handle<v8::Value> argv[argc] = { event_data };
|
|
v8::Handle<v8::Value> result = compiled_script_data->Call(exec_state,
|
|
argc, argv);
|
|
if (result->IsUndefined()) {
|
|
last_script_data_hit[0] = '\0';
|
|
} else {
|
|
result = result->ToString();
|
|
CHECK(result->IsString());
|
|
v8::Handle<v8::String> script_data(result->ToString());
|
|
script_data->WriteAscii(last_script_data_hit);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// Debug event handler which counts a number of events and collects the stack
|
|
// height if there is a function compiled for that.
|
|
int exception_hit_count = 0;
|
|
int uncaught_exception_hit_count = 0;
|
|
int last_js_stack_height = -1;
|
|
|
|
static void DebugEventCounterClear() {
|
|
break_point_hit_count = 0;
|
|
exception_hit_count = 0;
|
|
uncaught_exception_hit_count = 0;
|
|
}
|
|
|
|
static void DebugEventCounter(v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug();
|
|
|
|
// When hitting a debug event listener there must be a break set.
|
|
CHECK_NE(debug->break_id(), 0);
|
|
|
|
// Count the number of breaks.
|
|
if (event == v8::Break) {
|
|
break_point_hit_count++;
|
|
} else if (event == v8::Exception) {
|
|
exception_hit_count++;
|
|
|
|
// Check whether the exception was uncaught.
|
|
v8::Local<v8::String> fun_name = v8::String::New("uncaught");
|
|
v8::Local<v8::Function> fun =
|
|
v8::Function::Cast(*event_data->Get(fun_name));
|
|
v8::Local<v8::Value> result = *fun->Call(event_data, 0, NULL);
|
|
if (result->IsTrue()) {
|
|
uncaught_exception_hit_count++;
|
|
}
|
|
}
|
|
|
|
// Collect the JavsScript stack height if the function frame_count is
|
|
// compiled.
|
|
if (!frame_count.IsEmpty()) {
|
|
static const int kArgc = 1;
|
|
v8::Handle<v8::Value> argv[kArgc] = { exec_state };
|
|
// Using exec_state as receiver is just to have a receiver.
|
|
v8::Handle<v8::Value> result = frame_count->Call(exec_state, kArgc, argv);
|
|
last_js_stack_height = result->Int32Value();
|
|
}
|
|
}
|
|
|
|
|
|
// Debug event handler which evaluates a number of expressions when a break
|
|
// point is hit. Each evaluated expression is compared with an expected value.
|
|
// For this debug event handler to work the following two global varaibles
|
|
// must be initialized.
|
|
// checks: An array of expressions and expected results
|
|
// evaluate_check_function: A JavaScript function (see below)
|
|
|
|
// Structure for holding checks to do.
|
|
struct EvaluateCheck {
|
|
const char* expr; // An expression to evaluate when a break point is hit.
|
|
v8::Handle<v8::Value> expected; // The expected result.
|
|
};
|
|
// Array of checks to do.
|
|
struct EvaluateCheck* checks = NULL;
|
|
// Source for The JavaScript function which can do the evaluation when a break
|
|
// point is hit.
|
|
const char* evaluate_check_source =
|
|
"function evaluate_check(exec_state, expr, expected) {"
|
|
" return exec_state.frame(0).evaluate(expr).value() === expected;"
|
|
"}";
|
|
v8::Local<v8::Function> evaluate_check_function;
|
|
|
|
// The actual debug event described by the longer comment above.
|
|
static void DebugEventEvaluate(v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug();
|
|
// When hitting a debug event listener there must be a break set.
|
|
CHECK_NE(debug->break_id(), 0);
|
|
|
|
if (event == v8::Break) {
|
|
for (int i = 0; checks[i].expr != NULL; i++) {
|
|
const int argc = 3;
|
|
v8::Handle<v8::Value> argv[argc] = { exec_state,
|
|
v8::String::New(checks[i].expr),
|
|
checks[i].expected };
|
|
v8::Handle<v8::Value> result =
|
|
evaluate_check_function->Call(exec_state, argc, argv);
|
|
if (!result->IsTrue()) {
|
|
v8::String::AsciiValue ascii(checks[i].expected->ToString());
|
|
V8_Fatal(__FILE__, __LINE__, "%s != %s", checks[i].expr, *ascii);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// This debug event listener removes a breakpoint in a function
|
|
int debug_event_remove_break_point = 0;
|
|
static void DebugEventRemoveBreakPoint(v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug();
|
|
// When hitting a debug event listener there must be a break set.
|
|
CHECK_NE(debug->break_id(), 0);
|
|
|
|
if (event == v8::Break) {
|
|
break_point_hit_count++;
|
|
CHECK(data->IsFunction());
|
|
ClearBreakPoint(debug_event_remove_break_point);
|
|
}
|
|
}
|
|
|
|
|
|
// Debug event handler which counts break points hit and performs a step
|
|
// afterwards.
|
|
StepAction step_action = StepIn; // Step action to perform when stepping.
|
|
static void DebugEventStep(v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug();
|
|
// When hitting a debug event listener there must be a break set.
|
|
CHECK_NE(debug->break_id(), 0);
|
|
|
|
if (event == v8::Break) {
|
|
break_point_hit_count++;
|
|
PrepareStep(step_action);
|
|
}
|
|
}
|
|
|
|
|
|
// Debug event handler which counts break points hit and performs a step
|
|
// afterwards. For each call the expected function is checked.
|
|
// For this debug event handler to work the following two global varaibles
|
|
// must be initialized.
|
|
// expected_step_sequence: An array of the expected function call sequence.
|
|
// frame_function_name: A JavaScript function (see below).
|
|
|
|
// String containing the expected function call sequence. Note: this only works
|
|
// if functions have name length of one.
|
|
const char* expected_step_sequence = NULL;
|
|
|
|
// The actual debug event described by the longer comment above.
|
|
static void DebugEventStepSequence(v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug();
|
|
// When hitting a debug event listener there must be a break set.
|
|
CHECK_NE(debug->break_id(), 0);
|
|
|
|
if (event == v8::Break || event == v8::Exception) {
|
|
// Check that the current function is the expected.
|
|
CHECK(break_point_hit_count <
|
|
StrLength(expected_step_sequence));
|
|
const int argc = 2;
|
|
v8::Handle<v8::Value> argv[argc] = { exec_state, v8::Integer::New(0) };
|
|
v8::Handle<v8::Value> result = frame_function_name->Call(exec_state,
|
|
argc, argv);
|
|
CHECK(result->IsString());
|
|
v8::String::AsciiValue function_name(result->ToString());
|
|
CHECK_EQ(1, StrLength(*function_name));
|
|
CHECK_EQ((*function_name)[0],
|
|
expected_step_sequence[break_point_hit_count]);
|
|
|
|
// Perform step.
|
|
break_point_hit_count++;
|
|
PrepareStep(step_action);
|
|
}
|
|
}
|
|
|
|
|
|
// Debug event handler which performs a garbage collection.
|
|
static void DebugEventBreakPointCollectGarbage(
|
|
v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug();
|
|
// When hitting a debug event listener there must be a break set.
|
|
CHECK_NE(debug->break_id(), 0);
|
|
|
|
// Perform a garbage collection when break point is hit and continue. Based
|
|
// on the number of break points hit either scavenge or mark compact
|
|
// collector is used.
|
|
if (event == v8::Break) {
|
|
break_point_hit_count++;
|
|
if (break_point_hit_count % 2 == 0) {
|
|
// Scavenge.
|
|
HEAP->CollectGarbage(v8::internal::NEW_SPACE);
|
|
} else {
|
|
// Mark sweep compact.
|
|
HEAP->CollectAllGarbage(Heap::kNoGCFlags);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// Debug event handler which re-issues a debug break and calls the garbage
|
|
// collector to have the heap verified.
|
|
static void DebugEventBreak(v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug();
|
|
// When hitting a debug event listener there must be a break set.
|
|
CHECK_NE(debug->break_id(), 0);
|
|
|
|
if (event == v8::Break) {
|
|
// Count the number of breaks.
|
|
break_point_hit_count++;
|
|
|
|
// Run the garbage collector to enforce heap verification if option
|
|
// --verify-heap is set.
|
|
HEAP->CollectGarbage(v8::internal::NEW_SPACE);
|
|
|
|
// Set the break flag again to come back here as soon as possible.
|
|
v8::Debug::DebugBreak();
|
|
}
|
|
}
|
|
|
|
|
|
// Debug event handler which re-issues a debug break until a limit has been
|
|
// reached.
|
|
int max_break_point_hit_count = 0;
|
|
bool terminate_after_max_break_point_hit = false;
|
|
static void DebugEventBreakMax(v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug();
|
|
// When hitting a debug event listener there must be a break set.
|
|
CHECK_NE(debug->break_id(), 0);
|
|
|
|
if (event == v8::Break) {
|
|
if (break_point_hit_count < max_break_point_hit_count) {
|
|
// Count the number of breaks.
|
|
break_point_hit_count++;
|
|
|
|
// Collect the JavsScript stack height if the function frame_count is
|
|
// compiled.
|
|
if (!frame_count.IsEmpty()) {
|
|
static const int kArgc = 1;
|
|
v8::Handle<v8::Value> argv[kArgc] = { exec_state };
|
|
// Using exec_state as receiver is just to have a receiver.
|
|
v8::Handle<v8::Value> result =
|
|
frame_count->Call(exec_state, kArgc, argv);
|
|
last_js_stack_height = result->Int32Value();
|
|
}
|
|
|
|
// Set the break flag again to come back here as soon as possible.
|
|
v8::Debug::DebugBreak();
|
|
|
|
} else if (terminate_after_max_break_point_hit) {
|
|
// Terminate execution after the last break if requested.
|
|
v8::V8::TerminateExecution();
|
|
}
|
|
|
|
// Perform a full deoptimization when the specified number of
|
|
// breaks have been hit.
|
|
if (break_point_hit_count == break_point_hit_count_deoptimize) {
|
|
i::Deoptimizer::DeoptimizeAll();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// --- M e s s a g e C a l l b a c k
|
|
|
|
|
|
// Message callback which counts the number of messages.
|
|
int message_callback_count = 0;
|
|
|
|
static void MessageCallbackCountClear() {
|
|
message_callback_count = 0;
|
|
}
|
|
|
|
static void MessageCallbackCount(v8::Handle<v8::Message> message,
|
|
v8::Handle<v8::Value> data) {
|
|
message_callback_count++;
|
|
}
|
|
|
|
|
|
// --- T h e A c t u a l T e s t s
|
|
|
|
|
|
// Test that the debug break function is the expected one for different kinds
|
|
// of break locations.
|
|
TEST(DebugStub) {
|
|
using ::v8::internal::Builtins;
|
|
using ::v8::internal::Isolate;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
CheckDebugBreakFunction(&env,
|
|
"function f1(){}", "f1",
|
|
0,
|
|
v8::internal::RelocInfo::JS_RETURN,
|
|
NULL);
|
|
CheckDebugBreakFunction(&env,
|
|
"function f2(){x=1;}", "f2",
|
|
0,
|
|
v8::internal::RelocInfo::CODE_TARGET_CONTEXT,
|
|
Isolate::Current()->builtins()->builtin(
|
|
Builtins::kStoreIC_DebugBreak));
|
|
CheckDebugBreakFunction(&env,
|
|
"function f3(){var a=x;}", "f3",
|
|
0,
|
|
v8::internal::RelocInfo::CODE_TARGET_CONTEXT,
|
|
Isolate::Current()->builtins()->builtin(
|
|
Builtins::kLoadIC_DebugBreak));
|
|
|
|
// TODO(1240753): Make the test architecture independent or split
|
|
// parts of the debugger into architecture dependent files. This
|
|
// part currently disabled as it is not portable between IA32/ARM.
|
|
// Currently on ICs for keyed store/load on ARM.
|
|
#if !defined (__arm__) && !defined(__thumb__)
|
|
CheckDebugBreakFunction(
|
|
&env,
|
|
"function f4(){var index='propertyName'; var a={}; a[index] = 'x';}",
|
|
"f4",
|
|
0,
|
|
v8::internal::RelocInfo::CODE_TARGET,
|
|
Isolate::Current()->builtins()->builtin(
|
|
Builtins::kKeyedStoreIC_DebugBreak));
|
|
CheckDebugBreakFunction(
|
|
&env,
|
|
"function f5(){var index='propertyName'; var a={}; return a[index];}",
|
|
"f5",
|
|
0,
|
|
v8::internal::RelocInfo::CODE_TARGET,
|
|
Isolate::Current()->builtins()->builtin(
|
|
Builtins::kKeyedLoadIC_DebugBreak));
|
|
#endif
|
|
|
|
// Check the debug break code stubs for call ICs with different number of
|
|
// parameters.
|
|
Handle<Code> debug_break_0 = v8::internal::ComputeCallDebugBreak(0);
|
|
Handle<Code> debug_break_1 = v8::internal::ComputeCallDebugBreak(1);
|
|
Handle<Code> debug_break_4 = v8::internal::ComputeCallDebugBreak(4);
|
|
|
|
CheckDebugBreakFunction(&env,
|
|
"function f4_0(){x();}", "f4_0",
|
|
0,
|
|
v8::internal::RelocInfo::CODE_TARGET_CONTEXT,
|
|
*debug_break_0);
|
|
|
|
CheckDebugBreakFunction(&env,
|
|
"function f4_1(){x(1);}", "f4_1",
|
|
0,
|
|
v8::internal::RelocInfo::CODE_TARGET_CONTEXT,
|
|
*debug_break_1);
|
|
|
|
CheckDebugBreakFunction(&env,
|
|
"function f4_4(){x(1,2,3,4);}", "f4_4",
|
|
0,
|
|
v8::internal::RelocInfo::CODE_TARGET_CONTEXT,
|
|
*debug_break_4);
|
|
}
|
|
|
|
|
|
// Test that the debug info in the VM is in sync with the functions being
|
|
// debugged.
|
|
TEST(DebugInfo) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
// Create a couple of functions for the test.
|
|
v8::Local<v8::Function> foo =
|
|
CompileFunction(&env, "function foo(){}", "foo");
|
|
v8::Local<v8::Function> bar =
|
|
CompileFunction(&env, "function bar(){}", "bar");
|
|
// Initially no functions are debugged.
|
|
CHECK_EQ(0, v8::internal::GetDebuggedFunctions()->length());
|
|
CHECK(!HasDebugInfo(foo));
|
|
CHECK(!HasDebugInfo(bar));
|
|
// One function (foo) is debugged.
|
|
int bp1 = SetBreakPoint(foo, 0);
|
|
CHECK_EQ(1, v8::internal::GetDebuggedFunctions()->length());
|
|
CHECK(HasDebugInfo(foo));
|
|
CHECK(!HasDebugInfo(bar));
|
|
// Two functions are debugged.
|
|
int bp2 = SetBreakPoint(bar, 0);
|
|
CHECK_EQ(2, v8::internal::GetDebuggedFunctions()->length());
|
|
CHECK(HasDebugInfo(foo));
|
|
CHECK(HasDebugInfo(bar));
|
|
// One function (bar) is debugged.
|
|
ClearBreakPoint(bp1);
|
|
CHECK_EQ(1, v8::internal::GetDebuggedFunctions()->length());
|
|
CHECK(!HasDebugInfo(foo));
|
|
CHECK(HasDebugInfo(bar));
|
|
// No functions are debugged.
|
|
ClearBreakPoint(bp2);
|
|
CHECK_EQ(0, v8::internal::GetDebuggedFunctions()->length());
|
|
CHECK(!HasDebugInfo(foo));
|
|
CHECK(!HasDebugInfo(bar));
|
|
}
|
|
|
|
|
|
// Test that a break point can be set at an IC store location.
|
|
TEST(BreakPointICStore) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
v8::Script::Compile(v8::String::New("function foo(){bar=0;}"))->Run();
|
|
v8::Local<v8::Function> foo =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo")));
|
|
|
|
// Run without breakpoints.
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Run with breakpoint
|
|
int bp = SetBreakPoint(foo, 0);
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
// Run without breakpoints.
|
|
ClearBreakPoint(bp);
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test that a break point can be set at an IC load location.
|
|
TEST(BreakPointICLoad) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
v8::Script::Compile(v8::String::New("bar=1"))->Run();
|
|
v8::Script::Compile(v8::String::New("function foo(){var x=bar;}"))->Run();
|
|
v8::Local<v8::Function> foo =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo")));
|
|
|
|
// Run without breakpoints.
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Run with breakpoint.
|
|
int bp = SetBreakPoint(foo, 0);
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
// Run without breakpoints.
|
|
ClearBreakPoint(bp);
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test that a break point can be set at an IC call location.
|
|
TEST(BreakPointICCall) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
v8::Script::Compile(v8::String::New("function bar(){}"))->Run();
|
|
v8::Script::Compile(v8::String::New("function foo(){bar();}"))->Run();
|
|
v8::Local<v8::Function> foo =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo")));
|
|
|
|
// Run without breakpoints.
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Run with breakpoint
|
|
int bp = SetBreakPoint(foo, 0);
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
// Run without breakpoints.
|
|
ClearBreakPoint(bp);
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test that a break point can be set at an IC call location and survive a GC.
|
|
TEST(BreakPointICCallWithGC) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointCollectGarbage,
|
|
v8::Undefined());
|
|
v8::Script::Compile(v8::String::New("function bar(){return 1;}"))->Run();
|
|
v8::Script::Compile(v8::String::New("function foo(){return bar();}"))->Run();
|
|
v8::Local<v8::Function> foo =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo")));
|
|
|
|
// Run without breakpoints.
|
|
CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value());
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Run with breakpoint.
|
|
int bp = SetBreakPoint(foo, 0);
|
|
CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value());
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value());
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
// Run without breakpoints.
|
|
ClearBreakPoint(bp);
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test that a break point can be set at an IC call location and survive a GC.
|
|
TEST(BreakPointConstructCallWithGC) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointCollectGarbage,
|
|
v8::Undefined());
|
|
v8::Script::Compile(v8::String::New("function bar(){ this.x = 1;}"))->Run();
|
|
v8::Script::Compile(v8::String::New(
|
|
"function foo(){return new bar(1).x;}"))->Run();
|
|
v8::Local<v8::Function> foo =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo")));
|
|
|
|
// Run without breakpoints.
|
|
CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value());
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Run with breakpoint.
|
|
int bp = SetBreakPoint(foo, 0);
|
|
CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value());
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
CHECK_EQ(1, foo->Call(env->Global(), 0, NULL)->Int32Value());
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
// Run without breakpoints.
|
|
ClearBreakPoint(bp);
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test that a break point can be set at a return store location.
|
|
TEST(BreakPointReturn) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Create a functions for checking the source line and column when hitting
|
|
// a break point.
|
|
frame_source_line = CompileFunction(&env,
|
|
frame_source_line_source,
|
|
"frame_source_line");
|
|
frame_source_column = CompileFunction(&env,
|
|
frame_source_column_source,
|
|
"frame_source_column");
|
|
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
v8::Script::Compile(v8::String::New("function foo(){}"))->Run();
|
|
v8::Local<v8::Function> foo =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo")));
|
|
|
|
// Run without breakpoints.
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Run with breakpoint
|
|
int bp = SetBreakPoint(foo, 0);
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
CHECK_EQ(0, last_source_line);
|
|
CHECK_EQ(15, last_source_column);
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
CHECK_EQ(0, last_source_line);
|
|
CHECK_EQ(15, last_source_column);
|
|
|
|
// Run without breakpoints.
|
|
ClearBreakPoint(bp);
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
static void CallWithBreakPoints(v8::Local<v8::Object> recv,
|
|
v8::Local<v8::Function> f,
|
|
int break_point_count,
|
|
int call_count) {
|
|
break_point_hit_count = 0;
|
|
for (int i = 0; i < call_count; i++) {
|
|
f->Call(recv, 0, NULL);
|
|
CHECK_EQ((i + 1) * break_point_count, break_point_hit_count);
|
|
}
|
|
}
|
|
|
|
// Test GC during break point processing.
|
|
TEST(GCDuringBreakPointProcessing) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointCollectGarbage,
|
|
v8::Undefined());
|
|
v8::Local<v8::Function> foo;
|
|
|
|
// Test IC store break point with garbage collection.
|
|
foo = CompileFunction(&env, "function foo(){bar=0;}", "foo");
|
|
SetBreakPoint(foo, 0);
|
|
CallWithBreakPoints(env->Global(), foo, 1, 10);
|
|
|
|
// Test IC load break point with garbage collection.
|
|
foo = CompileFunction(&env, "bar=1;function foo(){var x=bar;}", "foo");
|
|
SetBreakPoint(foo, 0);
|
|
CallWithBreakPoints(env->Global(), foo, 1, 10);
|
|
|
|
// Test IC call break point with garbage collection.
|
|
foo = CompileFunction(&env, "function bar(){};function foo(){bar();}", "foo");
|
|
SetBreakPoint(foo, 0);
|
|
CallWithBreakPoints(env->Global(), foo, 1, 10);
|
|
|
|
// Test return break point with garbage collection.
|
|
foo = CompileFunction(&env, "function foo(){}", "foo");
|
|
SetBreakPoint(foo, 0);
|
|
CallWithBreakPoints(env->Global(), foo, 1, 25);
|
|
|
|
// Test debug break slot break point with garbage collection.
|
|
foo = CompileFunction(&env, "function foo(){var a;}", "foo");
|
|
SetBreakPoint(foo, 0);
|
|
CallWithBreakPoints(env->Global(), foo, 1, 25);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Call the function three times with different garbage collections in between
|
|
// and make sure that the break point survives.
|
|
static void CallAndGC(v8::Local<v8::Object> recv,
|
|
v8::Local<v8::Function> f) {
|
|
break_point_hit_count = 0;
|
|
|
|
for (int i = 0; i < 3; i++) {
|
|
// Call function.
|
|
f->Call(recv, 0, NULL);
|
|
CHECK_EQ(1 + i * 3, break_point_hit_count);
|
|
|
|
// Scavenge and call function.
|
|
HEAP->CollectGarbage(v8::internal::NEW_SPACE);
|
|
f->Call(recv, 0, NULL);
|
|
CHECK_EQ(2 + i * 3, break_point_hit_count);
|
|
|
|
// Mark sweep (and perhaps compact) and call function.
|
|
HEAP->CollectAllGarbage(Heap::kNoGCFlags);
|
|
f->Call(recv, 0, NULL);
|
|
CHECK_EQ(3 + i * 3, break_point_hit_count);
|
|
}
|
|
}
|
|
|
|
|
|
// Test that a break point can be set at a return store location.
|
|
TEST(BreakPointSurviveGC) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
v8::Local<v8::Function> foo;
|
|
|
|
// Test IC store break point with garbage collection.
|
|
{
|
|
CompileFunction(&env, "function foo(){}", "foo");
|
|
foo = CompileFunction(&env, "function foo(){bar=0;}", "foo");
|
|
SetBreakPoint(foo, 0);
|
|
}
|
|
CallAndGC(env->Global(), foo);
|
|
|
|
// Test IC load break point with garbage collection.
|
|
{
|
|
CompileFunction(&env, "function foo(){}", "foo");
|
|
foo = CompileFunction(&env, "bar=1;function foo(){var x=bar;}", "foo");
|
|
SetBreakPoint(foo, 0);
|
|
}
|
|
CallAndGC(env->Global(), foo);
|
|
|
|
// Test IC call break point with garbage collection.
|
|
{
|
|
CompileFunction(&env, "function foo(){}", "foo");
|
|
foo = CompileFunction(&env,
|
|
"function bar(){};function foo(){bar();}",
|
|
"foo");
|
|
SetBreakPoint(foo, 0);
|
|
}
|
|
CallAndGC(env->Global(), foo);
|
|
|
|
// Test return break point with garbage collection.
|
|
{
|
|
CompileFunction(&env, "function foo(){}", "foo");
|
|
foo = CompileFunction(&env, "function foo(){}", "foo");
|
|
SetBreakPoint(foo, 0);
|
|
}
|
|
CallAndGC(env->Global(), foo);
|
|
|
|
// Test non IC break point with garbage collection.
|
|
{
|
|
CompileFunction(&env, "function foo(){}", "foo");
|
|
foo = CompileFunction(&env, "function foo(){var bar=0;}", "foo");
|
|
SetBreakPoint(foo, 0);
|
|
}
|
|
CallAndGC(env->Global(), foo);
|
|
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test that break points can be set using the global Debug object.
|
|
TEST(BreakPointThroughJavaScript) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
v8::Script::Compile(v8::String::New("function bar(){}"))->Run();
|
|
v8::Script::Compile(v8::String::New("function foo(){bar();bar();}"))->Run();
|
|
// 012345678901234567890
|
|
// 1 2
|
|
// Break points are set at position 3 and 9
|
|
v8::Local<v8::Script> foo = v8::Script::Compile(v8::String::New("foo()"));
|
|
|
|
// Run without breakpoints.
|
|
foo->Run();
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Run with one breakpoint
|
|
int bp1 = SetBreakPointFromJS("foo", 0, 3);
|
|
foo->Run();
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
foo->Run();
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
// Run with two breakpoints
|
|
int bp2 = SetBreakPointFromJS("foo", 0, 9);
|
|
foo->Run();
|
|
CHECK_EQ(4, break_point_hit_count);
|
|
foo->Run();
|
|
CHECK_EQ(6, break_point_hit_count);
|
|
|
|
// Run with one breakpoint
|
|
ClearBreakPointFromJS(bp2);
|
|
foo->Run();
|
|
CHECK_EQ(7, break_point_hit_count);
|
|
foo->Run();
|
|
CHECK_EQ(8, break_point_hit_count);
|
|
|
|
// Run without breakpoints.
|
|
ClearBreakPointFromJS(bp1);
|
|
foo->Run();
|
|
CHECK_EQ(8, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
|
|
// Make sure that the break point numbers are consecutive.
|
|
CHECK_EQ(1, bp1);
|
|
CHECK_EQ(2, bp2);
|
|
}
|
|
|
|
|
|
// Test that break points on scripts identified by name can be set using the
|
|
// global Debug object.
|
|
TEST(ScriptBreakPointByNameThroughJavaScript) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
|
|
v8::Local<v8::String> script = v8::String::New(
|
|
"function f() {\n"
|
|
" function h() {\n"
|
|
" a = 0; // line 2\n"
|
|
" }\n"
|
|
" b = 1; // line 4\n"
|
|
" return h();\n"
|
|
"}\n"
|
|
"\n"
|
|
"function g() {\n"
|
|
" function h() {\n"
|
|
" a = 0;\n"
|
|
" }\n"
|
|
" b = 2; // line 12\n"
|
|
" h();\n"
|
|
" b = 3; // line 14\n"
|
|
" f(); // line 15\n"
|
|
"}");
|
|
|
|
// Compile the script and get the two functions.
|
|
v8::ScriptOrigin origin =
|
|
v8::ScriptOrigin(v8::String::New("test"));
|
|
v8::Script::Compile(script, &origin)->Run();
|
|
v8::Local<v8::Function> f =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
v8::Local<v8::Function> g =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("g")));
|
|
|
|
// Call f and g without break points.
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Call f and g with break point on line 12.
|
|
int sbp1 = SetScriptBreakPointByNameFromJS("test", 12, 0);
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
// Remove the break point again.
|
|
break_point_hit_count = 0;
|
|
ClearBreakPointFromJS(sbp1);
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Call f and g with break point on line 2.
|
|
int sbp2 = SetScriptBreakPointByNameFromJS("test", 2, 0);
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
// Call f and g with break point on line 2, 4, 12, 14 and 15.
|
|
int sbp3 = SetScriptBreakPointByNameFromJS("test", 4, 0);
|
|
int sbp4 = SetScriptBreakPointByNameFromJS("test", 12, 0);
|
|
int sbp5 = SetScriptBreakPointByNameFromJS("test", 14, 0);
|
|
int sbp6 = SetScriptBreakPointByNameFromJS("test", 15, 0);
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(7, break_point_hit_count);
|
|
|
|
// Remove all the break points again.
|
|
break_point_hit_count = 0;
|
|
ClearBreakPointFromJS(sbp2);
|
|
ClearBreakPointFromJS(sbp3);
|
|
ClearBreakPointFromJS(sbp4);
|
|
ClearBreakPointFromJS(sbp5);
|
|
ClearBreakPointFromJS(sbp6);
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
|
|
// Make sure that the break point numbers are consecutive.
|
|
CHECK_EQ(1, sbp1);
|
|
CHECK_EQ(2, sbp2);
|
|
CHECK_EQ(3, sbp3);
|
|
CHECK_EQ(4, sbp4);
|
|
CHECK_EQ(5, sbp5);
|
|
CHECK_EQ(6, sbp6);
|
|
}
|
|
|
|
|
|
TEST(ScriptBreakPointByIdThroughJavaScript) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
|
|
v8::Local<v8::String> source = v8::String::New(
|
|
"function f() {\n"
|
|
" function h() {\n"
|
|
" a = 0; // line 2\n"
|
|
" }\n"
|
|
" b = 1; // line 4\n"
|
|
" return h();\n"
|
|
"}\n"
|
|
"\n"
|
|
"function g() {\n"
|
|
" function h() {\n"
|
|
" a = 0;\n"
|
|
" }\n"
|
|
" b = 2; // line 12\n"
|
|
" h();\n"
|
|
" b = 3; // line 14\n"
|
|
" f(); // line 15\n"
|
|
"}");
|
|
|
|
// Compile the script and get the two functions.
|
|
v8::ScriptOrigin origin =
|
|
v8::ScriptOrigin(v8::String::New("test"));
|
|
v8::Local<v8::Script> script = v8::Script::Compile(source, &origin);
|
|
script->Run();
|
|
v8::Local<v8::Function> f =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
v8::Local<v8::Function> g =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("g")));
|
|
|
|
// Get the script id knowing that internally it is a 32 integer.
|
|
uint32_t script_id = script->Id()->Uint32Value();
|
|
|
|
// Call f and g without break points.
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Call f and g with break point on line 12.
|
|
int sbp1 = SetScriptBreakPointByIdFromJS(script_id, 12, 0);
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
// Remove the break point again.
|
|
break_point_hit_count = 0;
|
|
ClearBreakPointFromJS(sbp1);
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Call f and g with break point on line 2.
|
|
int sbp2 = SetScriptBreakPointByIdFromJS(script_id, 2, 0);
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
// Call f and g with break point on line 2, 4, 12, 14 and 15.
|
|
int sbp3 = SetScriptBreakPointByIdFromJS(script_id, 4, 0);
|
|
int sbp4 = SetScriptBreakPointByIdFromJS(script_id, 12, 0);
|
|
int sbp5 = SetScriptBreakPointByIdFromJS(script_id, 14, 0);
|
|
int sbp6 = SetScriptBreakPointByIdFromJS(script_id, 15, 0);
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(7, break_point_hit_count);
|
|
|
|
// Remove all the break points again.
|
|
break_point_hit_count = 0;
|
|
ClearBreakPointFromJS(sbp2);
|
|
ClearBreakPointFromJS(sbp3);
|
|
ClearBreakPointFromJS(sbp4);
|
|
ClearBreakPointFromJS(sbp5);
|
|
ClearBreakPointFromJS(sbp6);
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
|
|
// Make sure that the break point numbers are consecutive.
|
|
CHECK_EQ(1, sbp1);
|
|
CHECK_EQ(2, sbp2);
|
|
CHECK_EQ(3, sbp3);
|
|
CHECK_EQ(4, sbp4);
|
|
CHECK_EQ(5, sbp5);
|
|
CHECK_EQ(6, sbp6);
|
|
}
|
|
|
|
|
|
// Test conditional script break points.
|
|
TEST(EnableDisableScriptBreakPoint) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
|
|
v8::Local<v8::String> script = v8::String::New(
|
|
"function f() {\n"
|
|
" a = 0; // line 1\n"
|
|
"};");
|
|
|
|
// Compile the script and get function f.
|
|
v8::ScriptOrigin origin =
|
|
v8::ScriptOrigin(v8::String::New("test"));
|
|
v8::Script::Compile(script, &origin)->Run();
|
|
v8::Local<v8::Function> f =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
|
|
// Set script break point on line 1 (in function f).
|
|
int sbp = SetScriptBreakPointByNameFromJS("test", 1, 0);
|
|
|
|
// Call f while enabeling and disabling the script break point.
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
DisableScriptBreakPointFromJS(sbp);
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
EnableScriptBreakPointFromJS(sbp);
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
DisableScriptBreakPointFromJS(sbp);
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
// Reload the script and get f again checking that the disabeling survives.
|
|
v8::Script::Compile(script, &origin)->Run();
|
|
f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
EnableScriptBreakPointFromJS(sbp);
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(3, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test conditional script break points.
|
|
TEST(ConditionalScriptBreakPoint) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
|
|
v8::Local<v8::String> script = v8::String::New(
|
|
"count = 0;\n"
|
|
"function f() {\n"
|
|
" g(count++); // line 2\n"
|
|
"};\n"
|
|
"function g(x) {\n"
|
|
" var a=x; // line 5\n"
|
|
"};");
|
|
|
|
// Compile the script and get function f.
|
|
v8::ScriptOrigin origin =
|
|
v8::ScriptOrigin(v8::String::New("test"));
|
|
v8::Script::Compile(script, &origin)->Run();
|
|
v8::Local<v8::Function> f =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
|
|
// Set script break point on line 5 (in function g).
|
|
int sbp1 = SetScriptBreakPointByNameFromJS("test", 5, 0);
|
|
|
|
// Call f with different conditions on the script break point.
|
|
break_point_hit_count = 0;
|
|
ChangeScriptBreakPointConditionFromJS(sbp1, "false");
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
ChangeScriptBreakPointConditionFromJS(sbp1, "true");
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
ChangeScriptBreakPointConditionFromJS(sbp1, "x % 2 == 0");
|
|
break_point_hit_count = 0;
|
|
for (int i = 0; i < 10; i++) {
|
|
f->Call(env->Global(), 0, NULL);
|
|
}
|
|
CHECK_EQ(5, break_point_hit_count);
|
|
|
|
// Reload the script and get f again checking that the condition survives.
|
|
v8::Script::Compile(script, &origin)->Run();
|
|
f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
|
|
break_point_hit_count = 0;
|
|
for (int i = 0; i < 10; i++) {
|
|
f->Call(env->Global(), 0, NULL);
|
|
}
|
|
CHECK_EQ(5, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test ignore count on script break points.
|
|
TEST(ScriptBreakPointIgnoreCount) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
|
|
v8::Local<v8::String> script = v8::String::New(
|
|
"function f() {\n"
|
|
" a = 0; // line 1\n"
|
|
"};");
|
|
|
|
// Compile the script and get function f.
|
|
v8::ScriptOrigin origin =
|
|
v8::ScriptOrigin(v8::String::New("test"));
|
|
v8::Script::Compile(script, &origin)->Run();
|
|
v8::Local<v8::Function> f =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
|
|
// Set script break point on line 1 (in function f).
|
|
int sbp = SetScriptBreakPointByNameFromJS("test", 1, 0);
|
|
|
|
// Call f with different ignores on the script break point.
|
|
break_point_hit_count = 0;
|
|
ChangeScriptBreakPointIgnoreCountFromJS(sbp, 1);
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
ChangeScriptBreakPointIgnoreCountFromJS(sbp, 5);
|
|
break_point_hit_count = 0;
|
|
for (int i = 0; i < 10; i++) {
|
|
f->Call(env->Global(), 0, NULL);
|
|
}
|
|
CHECK_EQ(5, break_point_hit_count);
|
|
|
|
// Reload the script and get f again checking that the ignore survives.
|
|
v8::Script::Compile(script, &origin)->Run();
|
|
f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
|
|
break_point_hit_count = 0;
|
|
for (int i = 0; i < 10; i++) {
|
|
f->Call(env->Global(), 0, NULL);
|
|
}
|
|
CHECK_EQ(5, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test that script break points survive when a script is reloaded.
|
|
TEST(ScriptBreakPointReload) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
|
|
v8::Local<v8::Function> f;
|
|
v8::Local<v8::String> script = v8::String::New(
|
|
"function f() {\n"
|
|
" function h() {\n"
|
|
" a = 0; // line 2\n"
|
|
" }\n"
|
|
" b = 1; // line 4\n"
|
|
" return h();\n"
|
|
"}");
|
|
|
|
v8::ScriptOrigin origin_1 = v8::ScriptOrigin(v8::String::New("1"));
|
|
v8::ScriptOrigin origin_2 = v8::ScriptOrigin(v8::String::New("2"));
|
|
|
|
// Set a script break point before the script is loaded.
|
|
SetScriptBreakPointByNameFromJS("1", 2, 0);
|
|
|
|
// Compile the script and get the function.
|
|
v8::Script::Compile(script, &origin_1)->Run();
|
|
f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
|
|
// Call f and check that the script break point is active.
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
// Compile the script again with a different script data and get the
|
|
// function.
|
|
v8::Script::Compile(script, &origin_2)->Run();
|
|
f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
|
|
// Call f and check that no break points are set.
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Compile the script again and get the function.
|
|
v8::Script::Compile(script, &origin_1)->Run();
|
|
f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
|
|
// Call f and check that the script break point is active.
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test when several scripts has the same script data
|
|
TEST(ScriptBreakPointMultiple) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
|
|
v8::Local<v8::Function> f;
|
|
v8::Local<v8::String> script_f = v8::String::New(
|
|
"function f() {\n"
|
|
" a = 0; // line 1\n"
|
|
"}");
|
|
|
|
v8::Local<v8::Function> g;
|
|
v8::Local<v8::String> script_g = v8::String::New(
|
|
"function g() {\n"
|
|
" b = 0; // line 1\n"
|
|
"}");
|
|
|
|
v8::ScriptOrigin origin =
|
|
v8::ScriptOrigin(v8::String::New("test"));
|
|
|
|
// Set a script break point before the scripts are loaded.
|
|
int sbp = SetScriptBreakPointByNameFromJS("test", 1, 0);
|
|
|
|
// Compile the scripts with same script data and get the functions.
|
|
v8::Script::Compile(script_f, &origin)->Run();
|
|
f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
v8::Script::Compile(script_g, &origin)->Run();
|
|
g = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("g")));
|
|
|
|
// Call f and g and check that the script break point is active.
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
// Clear the script break point.
|
|
ClearBreakPointFromJS(sbp);
|
|
|
|
// Call f and g and check that the script break point is no longer active.
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Set script break point with the scripts loaded.
|
|
sbp = SetScriptBreakPointByNameFromJS("test", 1, 0);
|
|
|
|
// Call f and g and check that the script break point is active.
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test the script origin which has both name and line offset.
|
|
TEST(ScriptBreakPointLineOffset) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
|
|
v8::Local<v8::Function> f;
|
|
v8::Local<v8::String> script = v8::String::New(
|
|
"function f() {\n"
|
|
" a = 0; // line 8 as this script has line offset 7\n"
|
|
" b = 0; // line 9 as this script has line offset 7\n"
|
|
"}");
|
|
|
|
// Create script origin both name and line offset.
|
|
v8::ScriptOrigin origin(v8::String::New("test.html"),
|
|
v8::Integer::New(7));
|
|
|
|
// Set two script break points before the script is loaded.
|
|
int sbp1 = SetScriptBreakPointByNameFromJS("test.html", 8, 0);
|
|
int sbp2 = SetScriptBreakPointByNameFromJS("test.html", 9, 0);
|
|
|
|
// Compile the script and get the function.
|
|
v8::Script::Compile(script, &origin)->Run();
|
|
f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
|
|
// Call f and check that the script break point is active.
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
// Clear the script break points.
|
|
ClearBreakPointFromJS(sbp1);
|
|
ClearBreakPointFromJS(sbp2);
|
|
|
|
// Call f and check that no script break points are active.
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Set a script break point with the script loaded.
|
|
sbp1 = SetScriptBreakPointByNameFromJS("test.html", 9, 0);
|
|
|
|
// Call f and check that the script break point is active.
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test script break points set on lines.
|
|
TEST(ScriptBreakPointLine) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
// Create a function for checking the function when hitting a break point.
|
|
frame_function_name = CompileFunction(&env,
|
|
frame_function_name_source,
|
|
"frame_function_name");
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
|
|
v8::Local<v8::Function> f;
|
|
v8::Local<v8::Function> g;
|
|
v8::Local<v8::String> script = v8::String::New(
|
|
"a = 0 // line 0\n"
|
|
"function f() {\n"
|
|
" a = 1; // line 2\n"
|
|
"}\n"
|
|
" a = 2; // line 4\n"
|
|
" /* xx */ function g() { // line 5\n"
|
|
" function h() { // line 6\n"
|
|
" a = 3; // line 7\n"
|
|
" }\n"
|
|
" h(); // line 9\n"
|
|
" a = 4; // line 10\n"
|
|
" }\n"
|
|
" a=5; // line 12");
|
|
|
|
// Set a couple script break point before the script is loaded.
|
|
int sbp1 = SetScriptBreakPointByNameFromJS("test.html", 0, -1);
|
|
int sbp2 = SetScriptBreakPointByNameFromJS("test.html", 1, -1);
|
|
int sbp3 = SetScriptBreakPointByNameFromJS("test.html", 5, -1);
|
|
|
|
// Compile the script and get the function.
|
|
break_point_hit_count = 0;
|
|
v8::ScriptOrigin origin(v8::String::New("test.html"), v8::Integer::New(0));
|
|
v8::Script::Compile(script, &origin)->Run();
|
|
f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
g = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("g")));
|
|
|
|
// Check that a break point was hit when the script was run.
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
CHECK_EQ(0, StrLength(last_function_hit));
|
|
|
|
// Call f and check that the script break point.
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
CHECK_EQ("f", last_function_hit);
|
|
|
|
// Call g and check that the script break point.
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(3, break_point_hit_count);
|
|
CHECK_EQ("g", last_function_hit);
|
|
|
|
// Clear the script break point on g and set one on h.
|
|
ClearBreakPointFromJS(sbp3);
|
|
int sbp4 = SetScriptBreakPointByNameFromJS("test.html", 6, -1);
|
|
|
|
// Call g and check that the script break point in h is hit.
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(4, break_point_hit_count);
|
|
CHECK_EQ("h", last_function_hit);
|
|
|
|
// Clear break points in f and h. Set a new one in the script between
|
|
// functions f and g and test that there is no break points in f and g any
|
|
// more.
|
|
ClearBreakPointFromJS(sbp2);
|
|
ClearBreakPointFromJS(sbp4);
|
|
int sbp5 = SetScriptBreakPointByNameFromJS("test.html", 4, -1);
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Reload the script which should hit two break points.
|
|
break_point_hit_count = 0;
|
|
v8::Script::Compile(script, &origin)->Run();
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
CHECK_EQ(0, StrLength(last_function_hit));
|
|
|
|
// Set a break point in the code after the last function decleration.
|
|
int sbp6 = SetScriptBreakPointByNameFromJS("test.html", 12, -1);
|
|
|
|
// Reload the script which should hit three break points.
|
|
break_point_hit_count = 0;
|
|
v8::Script::Compile(script, &origin)->Run();
|
|
CHECK_EQ(3, break_point_hit_count);
|
|
CHECK_EQ(0, StrLength(last_function_hit));
|
|
|
|
// Clear the last break points, and reload the script which should not hit any
|
|
// break points.
|
|
ClearBreakPointFromJS(sbp1);
|
|
ClearBreakPointFromJS(sbp5);
|
|
ClearBreakPointFromJS(sbp6);
|
|
break_point_hit_count = 0;
|
|
v8::Script::Compile(script, &origin)->Run();
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test top level script break points set on lines.
|
|
TEST(ScriptBreakPointLineTopLevel) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
|
|
v8::Local<v8::String> script = v8::String::New(
|
|
"function f() {\n"
|
|
" a = 1; // line 1\n"
|
|
"}\n"
|
|
"a = 2; // line 3\n");
|
|
v8::Local<v8::Function> f;
|
|
{
|
|
v8::HandleScope scope;
|
|
v8::Script::Compile(script, v8::String::New("test.html"))->Run();
|
|
}
|
|
f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
|
|
HEAP->CollectAllGarbage(Heap::kNoGCFlags);
|
|
|
|
SetScriptBreakPointByNameFromJS("test.html", 3, -1);
|
|
|
|
// Call f and check that there was no break points.
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Recompile and run script and check that break point was hit.
|
|
break_point_hit_count = 0;
|
|
v8::Script::Compile(script, v8::String::New("test.html"))->Run();
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
// Call f and check that there are still no break points.
|
|
break_point_hit_count = 0;
|
|
f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test that it is possible to add and remove break points in a top level
|
|
// function which has no references but has not been collected yet.
|
|
TEST(ScriptBreakPointTopLevelCrash) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
|
|
v8::Local<v8::String> script_source = v8::String::New(
|
|
"function f() {\n"
|
|
" return 0;\n"
|
|
"}\n"
|
|
"f()");
|
|
|
|
int sbp1 = SetScriptBreakPointByNameFromJS("test.html", 3, -1);
|
|
{
|
|
v8::HandleScope scope;
|
|
break_point_hit_count = 0;
|
|
v8::Script::Compile(script_source, v8::String::New("test.html"))->Run();
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
}
|
|
|
|
int sbp2 = SetScriptBreakPointByNameFromJS("test.html", 3, -1);
|
|
ClearBreakPointFromJS(sbp1);
|
|
ClearBreakPointFromJS(sbp2);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test that it is possible to remove the last break point for a function
|
|
// inside the break handling of that break point.
|
|
TEST(RemoveBreakPointInBreak) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
v8::Local<v8::Function> foo =
|
|
CompileFunction(&env, "function foo(){a=1;}", "foo");
|
|
debug_event_remove_break_point = SetBreakPoint(foo, 0);
|
|
|
|
// Register the debug event listener pasing the function
|
|
v8::Debug::SetDebugEventListener(DebugEventRemoveBreakPoint, foo);
|
|
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test that the debugger statement causes a break.
|
|
TEST(DebuggerStatement) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
v8::Script::Compile(v8::String::New("function bar(){debugger}"))->Run();
|
|
v8::Script::Compile(v8::String::New(
|
|
"function foo(){debugger;debugger;}"))->Run();
|
|
v8::Local<v8::Function> foo =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo")));
|
|
v8::Local<v8::Function> bar =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("bar")));
|
|
|
|
// Run function with debugger statement
|
|
bar->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
// Run function with two debugger statement
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(3, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test setting a breakpoint on the debugger statement.
|
|
TEST(DebuggerStatementBreakpoint) {
|
|
break_point_hit_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
v8::Script::Compile(v8::String::New("function foo(){debugger;}"))->Run();
|
|
v8::Local<v8::Function> foo =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("foo")));
|
|
|
|
// The debugger statement triggers breakpint hit
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
int bp = SetBreakPoint(foo, 0);
|
|
|
|
// Set breakpoint does not duplicate hits
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
ClearBreakPoint(bp);
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test that the evaluation of expressions when a break point is hit generates
|
|
// the correct results.
|
|
TEST(DebugEvaluate) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
// Create a function for checking the evaluation when hitting a break point.
|
|
evaluate_check_function = CompileFunction(&env,
|
|
evaluate_check_source,
|
|
"evaluate_check");
|
|
// Register the debug event listener
|
|
v8::Debug::SetDebugEventListener(DebugEventEvaluate);
|
|
|
|
// Different expected vaules of x and a when in a break point (u = undefined,
|
|
// d = Hello, world!).
|
|
struct EvaluateCheck checks_uu[] = {
|
|
{"x", v8::Undefined()},
|
|
{"a", v8::Undefined()},
|
|
{NULL, v8::Handle<v8::Value>()}
|
|
};
|
|
struct EvaluateCheck checks_hu[] = {
|
|
{"x", v8::String::New("Hello, world!")},
|
|
{"a", v8::Undefined()},
|
|
{NULL, v8::Handle<v8::Value>()}
|
|
};
|
|
struct EvaluateCheck checks_hh[] = {
|
|
{"x", v8::String::New("Hello, world!")},
|
|
{"a", v8::String::New("Hello, world!")},
|
|
{NULL, v8::Handle<v8::Value>()}
|
|
};
|
|
|
|
// Simple test function. The "y=0" is in the function foo to provide a break
|
|
// location. For "y=0" the "y" is at position 15 in the barbar function
|
|
// therefore setting breakpoint at position 15 will break at "y=0" and
|
|
// setting it higher will break after.
|
|
v8::Local<v8::Function> foo = CompileFunction(&env,
|
|
"function foo(x) {"
|
|
" var a;"
|
|
" y=0;" // To ensure break location 1.
|
|
" a=x;"
|
|
" y=0;" // To ensure break location 2.
|
|
"}",
|
|
"foo");
|
|
const int foo_break_position_1 = 15;
|
|
const int foo_break_position_2 = 29;
|
|
|
|
// Arguments with one parameter "Hello, world!"
|
|
v8::Handle<v8::Value> argv_foo[1] = { v8::String::New("Hello, world!") };
|
|
|
|
// Call foo with breakpoint set before a=x and undefined as parameter.
|
|
int bp = SetBreakPoint(foo, foo_break_position_1);
|
|
checks = checks_uu;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
|
|
// Call foo with breakpoint set before a=x and parameter "Hello, world!".
|
|
checks = checks_hu;
|
|
foo->Call(env->Global(), 1, argv_foo);
|
|
|
|
// Call foo with breakpoint set after a=x and parameter "Hello, world!".
|
|
ClearBreakPoint(bp);
|
|
SetBreakPoint(foo, foo_break_position_2);
|
|
checks = checks_hh;
|
|
foo->Call(env->Global(), 1, argv_foo);
|
|
|
|
// Test function with an inner function. The "y=0" is in function barbar
|
|
// to provide a break location. For "y=0" the "y" is at position 8 in the
|
|
// barbar function therefore setting breakpoint at position 8 will break at
|
|
// "y=0" and setting it higher will break after.
|
|
v8::Local<v8::Function> bar = CompileFunction(&env,
|
|
"y = 0;"
|
|
"x = 'Goodbye, world!';"
|
|
"function bar(x, b) {"
|
|
" var a;"
|
|
" function barbar() {"
|
|
" y=0; /* To ensure break location.*/"
|
|
" a=x;"
|
|
" };"
|
|
" debug.Debug.clearAllBreakPoints();"
|
|
" barbar();"
|
|
" y=0;a=x;"
|
|
"}",
|
|
"bar");
|
|
const int barbar_break_position = 8;
|
|
|
|
// Call bar setting breakpoint before a=x in barbar and undefined as
|
|
// parameter.
|
|
checks = checks_uu;
|
|
v8::Handle<v8::Value> argv_bar_1[2] = {
|
|
v8::Undefined(),
|
|
v8::Number::New(barbar_break_position)
|
|
};
|
|
bar->Call(env->Global(), 2, argv_bar_1);
|
|
|
|
// Call bar setting breakpoint before a=x in barbar and parameter
|
|
// "Hello, world!".
|
|
checks = checks_hu;
|
|
v8::Handle<v8::Value> argv_bar_2[2] = {
|
|
v8::String::New("Hello, world!"),
|
|
v8::Number::New(barbar_break_position)
|
|
};
|
|
bar->Call(env->Global(), 2, argv_bar_2);
|
|
|
|
// Call bar setting breakpoint after a=x in barbar and parameter
|
|
// "Hello, world!".
|
|
checks = checks_hh;
|
|
v8::Handle<v8::Value> argv_bar_3[2] = {
|
|
v8::String::New("Hello, world!"),
|
|
v8::Number::New(barbar_break_position + 1)
|
|
};
|
|
bar->Call(env->Global(), 2, argv_bar_3);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
int debugEventCount = 0;
|
|
static void CheckDebugEvent(const v8::Debug::EventDetails& eventDetails) {
|
|
if (eventDetails.GetEvent() == v8::Break) ++debugEventCount;
|
|
}
|
|
|
|
// Test that the conditional breakpoints work event if code generation from
|
|
// strings is prohibited in the debugee context.
|
|
TEST(ConditionalBreakpointWithCodeGenerationDisallowed) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
v8::Debug::SetDebugEventListener2(CheckDebugEvent);
|
|
|
|
v8::Local<v8::Function> foo = CompileFunction(&env,
|
|
"function foo(x) {\n"
|
|
" var s = 'String value2';\n"
|
|
" return s + x;\n"
|
|
"}",
|
|
"foo");
|
|
|
|
// Set conditional breakpoint with condition 'true'.
|
|
CompileRun("debug.Debug.setBreakPoint(foo, 2, 0, 'true')");
|
|
|
|
debugEventCount = 0;
|
|
env->AllowCodeGenerationFromStrings(false);
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, debugEventCount);
|
|
|
|
v8::Debug::SetDebugEventListener2(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
bool checkedDebugEvals = true;
|
|
v8::Handle<v8::Function> checkGlobalEvalFunction;
|
|
v8::Handle<v8::Function> checkFrameEvalFunction;
|
|
static void CheckDebugEval(const v8::Debug::EventDetails& eventDetails) {
|
|
if (eventDetails.GetEvent() == v8::Break) {
|
|
++debugEventCount;
|
|
v8::HandleScope handleScope;
|
|
|
|
v8::Handle<v8::Value> args[] = { eventDetails.GetExecutionState() };
|
|
CHECK(checkGlobalEvalFunction->Call(
|
|
eventDetails.GetEventContext()->Global(), 1, args)->IsTrue());
|
|
CHECK(checkFrameEvalFunction->Call(
|
|
eventDetails.GetEventContext()->Global(), 1, args)->IsTrue());
|
|
}
|
|
}
|
|
|
|
// Test that the evaluation of expressions when a break point is hit generates
|
|
// the correct results in case code generation from strings is disallowed in the
|
|
// debugee context.
|
|
TEST(DebugEvaluateWithCodeGenerationDisallowed) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
v8::Debug::SetDebugEventListener2(CheckDebugEval);
|
|
|
|
v8::Local<v8::Function> foo = CompileFunction(&env,
|
|
"var global = 'Global';\n"
|
|
"function foo(x) {\n"
|
|
" var local = 'Local';\n"
|
|
" debugger;\n"
|
|
" return local + x;\n"
|
|
"}",
|
|
"foo");
|
|
checkGlobalEvalFunction = CompileFunction(&env,
|
|
"function checkGlobalEval(exec_state) {\n"
|
|
" return exec_state.evaluateGlobal('global').value() === 'Global';\n"
|
|
"}",
|
|
"checkGlobalEval");
|
|
|
|
checkFrameEvalFunction = CompileFunction(&env,
|
|
"function checkFrameEval(exec_state) {\n"
|
|
" return exec_state.frame(0).evaluate('local').value() === 'Local';\n"
|
|
"}",
|
|
"checkFrameEval");
|
|
debugEventCount = 0;
|
|
env->AllowCodeGenerationFromStrings(false);
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, debugEventCount);
|
|
|
|
checkGlobalEvalFunction.Clear();
|
|
checkFrameEvalFunction.Clear();
|
|
v8::Debug::SetDebugEventListener2(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Copies a C string to a 16-bit string. Does not check for buffer overflow.
|
|
// Does not use the V8 engine to convert strings, so it can be used
|
|
// in any thread. Returns the length of the string.
|
|
int AsciiToUtf16(const char* input_buffer, uint16_t* output_buffer) {
|
|
int i;
|
|
for (i = 0; input_buffer[i] != '\0'; ++i) {
|
|
// ASCII does not use chars > 127, but be careful anyway.
|
|
output_buffer[i] = static_cast<unsigned char>(input_buffer[i]);
|
|
}
|
|
output_buffer[i] = 0;
|
|
return i;
|
|
}
|
|
|
|
// Copies a 16-bit string to a C string by dropping the high byte of
|
|
// each character. Does not check for buffer overflow.
|
|
// Can be used in any thread. Requires string length as an input.
|
|
int Utf16ToAscii(const uint16_t* input_buffer, int length,
|
|
char* output_buffer, int output_len = -1) {
|
|
if (output_len >= 0) {
|
|
if (length > output_len - 1) {
|
|
length = output_len - 1;
|
|
}
|
|
}
|
|
|
|
for (int i = 0; i < length; ++i) {
|
|
output_buffer[i] = static_cast<char>(input_buffer[i]);
|
|
}
|
|
output_buffer[length] = '\0';
|
|
return length;
|
|
}
|
|
|
|
|
|
// We match parts of the message to get evaluate result int value.
|
|
bool GetEvaluateStringResult(char *message, char* buffer, int buffer_size) {
|
|
if (strstr(message, "\"command\":\"evaluate\"") == NULL) {
|
|
return false;
|
|
}
|
|
const char* prefix = "\"text\":\"";
|
|
char* pos1 = strstr(message, prefix);
|
|
if (pos1 == NULL) {
|
|
return false;
|
|
}
|
|
pos1 += strlen(prefix);
|
|
char* pos2 = strchr(pos1, '"');
|
|
if (pos2 == NULL) {
|
|
return false;
|
|
}
|
|
Vector<char> buf(buffer, buffer_size);
|
|
int len = static_cast<int>(pos2 - pos1);
|
|
if (len > buffer_size - 1) {
|
|
len = buffer_size - 1;
|
|
}
|
|
OS::StrNCpy(buf, pos1, len);
|
|
buffer[buffer_size - 1] = '\0';
|
|
return true;
|
|
}
|
|
|
|
|
|
struct EvaluateResult {
|
|
static const int kBufferSize = 20;
|
|
char buffer[kBufferSize];
|
|
};
|
|
|
|
struct DebugProcessDebugMessagesData {
|
|
static const int kArraySize = 5;
|
|
int counter;
|
|
EvaluateResult results[kArraySize];
|
|
|
|
void reset() {
|
|
counter = 0;
|
|
}
|
|
EvaluateResult* current() {
|
|
return &results[counter % kArraySize];
|
|
}
|
|
void next() {
|
|
counter++;
|
|
}
|
|
};
|
|
|
|
DebugProcessDebugMessagesData process_debug_messages_data;
|
|
|
|
static void DebugProcessDebugMessagesHandler(
|
|
const uint16_t* message,
|
|
int length,
|
|
v8::Debug::ClientData* client_data) {
|
|
|
|
const int kBufferSize = 100000;
|
|
char print_buffer[kBufferSize];
|
|
Utf16ToAscii(message, length, print_buffer, kBufferSize);
|
|
|
|
EvaluateResult* array_item = process_debug_messages_data.current();
|
|
|
|
bool res = GetEvaluateStringResult(print_buffer,
|
|
array_item->buffer,
|
|
EvaluateResult::kBufferSize);
|
|
if (res) {
|
|
process_debug_messages_data.next();
|
|
}
|
|
}
|
|
|
|
// Test that the evaluation of expressions works even from ProcessDebugMessages
|
|
// i.e. with empty stack.
|
|
TEST(DebugEvaluateWithoutStack) {
|
|
v8::Debug::SetMessageHandler(DebugProcessDebugMessagesHandler);
|
|
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
const char* source =
|
|
"var v1 = 'Pinguin';\n function getAnimal() { return 'Capy' + 'bara'; }";
|
|
|
|
v8::Script::Compile(v8::String::New(source))->Run();
|
|
|
|
v8::Debug::ProcessDebugMessages();
|
|
|
|
const int kBufferSize = 1000;
|
|
uint16_t buffer[kBufferSize];
|
|
|
|
const char* command_111 = "{\"seq\":111,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"evaluate\","
|
|
"\"arguments\":{"
|
|
" \"global\":true,"
|
|
" \"expression\":\"v1\",\"disable_break\":true"
|
|
"}}";
|
|
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_111, buffer));
|
|
|
|
const char* command_112 = "{\"seq\":112,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"evaluate\","
|
|
"\"arguments\":{"
|
|
" \"global\":true,"
|
|
" \"expression\":\"getAnimal()\",\"disable_break\":true"
|
|
"}}";
|
|
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_112, buffer));
|
|
|
|
const char* command_113 = "{\"seq\":113,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"evaluate\","
|
|
"\"arguments\":{"
|
|
" \"global\":true,"
|
|
" \"expression\":\"239 + 566\",\"disable_break\":true"
|
|
"}}";
|
|
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_113, buffer));
|
|
|
|
v8::Debug::ProcessDebugMessages();
|
|
|
|
CHECK_EQ(3, process_debug_messages_data.counter);
|
|
|
|
CHECK_EQ(strcmp("Pinguin", process_debug_messages_data.results[0].buffer), 0);
|
|
CHECK_EQ(strcmp("Capybara", process_debug_messages_data.results[1].buffer),
|
|
0);
|
|
CHECK_EQ(strcmp("805", process_debug_messages_data.results[2].buffer), 0);
|
|
|
|
v8::Debug::SetMessageHandler(NULL);
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Simple test of the stepping mechanism using only store ICs.
|
|
TEST(DebugStepLinear) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Create a function for testing stepping.
|
|
v8::Local<v8::Function> foo = CompileFunction(&env,
|
|
"function foo(){a=1;b=1;c=1;}",
|
|
"foo");
|
|
|
|
// Run foo to allow it to get optimized.
|
|
CompileRun("a=0; b=0; c=0; foo();");
|
|
|
|
SetBreakPoint(foo, 3);
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
|
|
// With stepping all break locations are hit.
|
|
CHECK_EQ(4, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
|
|
// Register a debug event listener which just counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
|
|
|
|
SetBreakPoint(foo, 3);
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
|
|
// Without stepping only active break points are hit.
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test of the stepping mechanism for keyed load in a loop.
|
|
TEST(DebugStepKeyedLoadLoop) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
// Create a function for testing stepping of keyed load. The statement 'y=1'
|
|
// is there to have more than one breakable statement in the loop, TODO(315).
|
|
v8::Local<v8::Function> foo = CompileFunction(
|
|
&env,
|
|
"function foo(a) {\n"
|
|
" var x;\n"
|
|
" var len = a.length;\n"
|
|
" for (var i = 0; i < len; i++) {\n"
|
|
" y = 1;\n"
|
|
" x = a[i];\n"
|
|
" }\n"
|
|
"}\n"
|
|
"y=0\n",
|
|
"foo");
|
|
|
|
// Create array [0,1,2,3,4,5,6,7,8,9]
|
|
v8::Local<v8::Array> a = v8::Array::New(10);
|
|
for (int i = 0; i < 10; i++) {
|
|
a->Set(v8::Number::New(i), v8::Number::New(i));
|
|
}
|
|
|
|
// Call function without any break points to ensure inlining is in place.
|
|
const int kArgc = 1;
|
|
v8::Handle<v8::Value> args[kArgc] = { a };
|
|
foo->Call(env->Global(), kArgc, args);
|
|
|
|
// Set up break point and step through the function.
|
|
SetBreakPoint(foo, 3);
|
|
step_action = StepNext;
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), kArgc, args);
|
|
|
|
// With stepping all break locations are hit.
|
|
CHECK_EQ(34, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test of the stepping mechanism for keyed store in a loop.
|
|
TEST(DebugStepKeyedStoreLoop) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
// Create a function for testing stepping of keyed store. The statement 'y=1'
|
|
// is there to have more than one breakable statement in the loop, TODO(315).
|
|
v8::Local<v8::Function> foo = CompileFunction(
|
|
&env,
|
|
"function foo(a) {\n"
|
|
" var len = a.length;\n"
|
|
" for (var i = 0; i < len; i++) {\n"
|
|
" y = 1;\n"
|
|
" a[i] = 42;\n"
|
|
" }\n"
|
|
"}\n"
|
|
"y=0\n",
|
|
"foo");
|
|
|
|
// Create array [0,1,2,3,4,5,6,7,8,9]
|
|
v8::Local<v8::Array> a = v8::Array::New(10);
|
|
for (int i = 0; i < 10; i++) {
|
|
a->Set(v8::Number::New(i), v8::Number::New(i));
|
|
}
|
|
|
|
// Call function without any break points to ensure inlining is in place.
|
|
const int kArgc = 1;
|
|
v8::Handle<v8::Value> args[kArgc] = { a };
|
|
foo->Call(env->Global(), kArgc, args);
|
|
|
|
// Set up break point and step through the function.
|
|
SetBreakPoint(foo, 3);
|
|
step_action = StepNext;
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), kArgc, args);
|
|
|
|
// With stepping all break locations are hit.
|
|
CHECK_EQ(33, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test of the stepping mechanism for named load in a loop.
|
|
TEST(DebugStepNamedLoadLoop) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
// Create a function for testing stepping of named load.
|
|
v8::Local<v8::Function> foo = CompileFunction(
|
|
&env,
|
|
"function foo() {\n"
|
|
" var a = [];\n"
|
|
" var s = \"\";\n"
|
|
" for (var i = 0; i < 10; i++) {\n"
|
|
" var v = new V(i, i + 1);\n"
|
|
" v.y;\n"
|
|
" a.length;\n" // Special case: array length.
|
|
" s.length;\n" // Special case: string length.
|
|
" }\n"
|
|
"}\n"
|
|
"function V(x, y) {\n"
|
|
" this.x = x;\n"
|
|
" this.y = y;\n"
|
|
"}\n",
|
|
"foo");
|
|
|
|
// Call function without any break points to ensure inlining is in place.
|
|
foo->Call(env->Global(), 0, NULL);
|
|
|
|
// Set up break point and step through the function.
|
|
SetBreakPoint(foo, 4);
|
|
step_action = StepNext;
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
|
|
// With stepping all break locations are hit.
|
|
CHECK_EQ(54, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
static void DoDebugStepNamedStoreLoop(int expected) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
// Create a function for testing stepping of named store.
|
|
v8::Local<v8::Function> foo = CompileFunction(
|
|
&env,
|
|
"function foo() {\n"
|
|
" var a = {a:1};\n"
|
|
" for (var i = 0; i < 10; i++) {\n"
|
|
" a.a = 2\n"
|
|
" }\n"
|
|
"}\n",
|
|
"foo");
|
|
|
|
// Call function without any break points to ensure inlining is in place.
|
|
foo->Call(env->Global(), 0, NULL);
|
|
|
|
// Set up break point and step through the function.
|
|
SetBreakPoint(foo, 3);
|
|
step_action = StepNext;
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
|
|
// With stepping all expected break locations are hit.
|
|
CHECK_EQ(expected, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test of the stepping mechanism for named load in a loop.
|
|
TEST(DebugStepNamedStoreLoop) {
|
|
DoDebugStepNamedStoreLoop(23);
|
|
}
|
|
|
|
|
|
// Test the stepping mechanism with different ICs.
|
|
TEST(DebugStepLinearMixedICs) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
// Create a function for testing stepping.
|
|
v8::Local<v8::Function> foo = CompileFunction(&env,
|
|
"function bar() {};"
|
|
"function foo() {"
|
|
" var x;"
|
|
" var index='name';"
|
|
" var y = {};"
|
|
" a=1;b=2;x=a;y[index]=3;x=y[index];bar();}", "foo");
|
|
|
|
// Run functions to allow them to get optimized.
|
|
CompileRun("a=0; b=0; bar(); foo();");
|
|
|
|
SetBreakPoint(foo, 0);
|
|
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
|
|
// With stepping all break locations are hit.
|
|
CHECK_EQ(11, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
|
|
// Register a debug event listener which just counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
|
|
|
|
SetBreakPoint(foo, 0);
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
|
|
// Without stepping only active break points are hit.
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
TEST(DebugStepDeclarations) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
// Create a function for testing stepping. Run it to allow it to get
|
|
// optimized.
|
|
const char* src = "function foo() { "
|
|
" var a;"
|
|
" var b = 1;"
|
|
" var c = foo;"
|
|
" var d = Math.floor;"
|
|
" var e = b + d(1.2);"
|
|
"}"
|
|
"foo()";
|
|
v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
|
|
|
|
SetBreakPoint(foo, 0);
|
|
|
|
// Stepping through the declarations.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(6, break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
TEST(DebugStepLocals) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
// Create a function for testing stepping. Run it to allow it to get
|
|
// optimized.
|
|
const char* src = "function foo() { "
|
|
" var a,b;"
|
|
" a = 1;"
|
|
" b = a + 2;"
|
|
" b = 1 + 2 + 3;"
|
|
" a = Math.floor(b);"
|
|
"}"
|
|
"foo()";
|
|
v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
|
|
|
|
SetBreakPoint(foo, 0);
|
|
|
|
// Stepping through the declarations.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(6, break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
TEST(DebugStepIf) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
// Create a function for testing stepping. Run it to allow it to get
|
|
// optimized.
|
|
const int argc = 1;
|
|
const char* src = "function foo(x) { "
|
|
" a = 1;"
|
|
" if (x) {"
|
|
" b = 1;"
|
|
" } else {"
|
|
" c = 1;"
|
|
" d = 1;"
|
|
" }"
|
|
"}"
|
|
"a=0; b=0; c=0; d=0; foo()";
|
|
v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
|
|
SetBreakPoint(foo, 0);
|
|
|
|
// Stepping through the true part.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
v8::Handle<v8::Value> argv_true[argc] = { v8::True() };
|
|
foo->Call(env->Global(), argc, argv_true);
|
|
CHECK_EQ(4, break_point_hit_count);
|
|
|
|
// Stepping through the false part.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
v8::Handle<v8::Value> argv_false[argc] = { v8::False() };
|
|
foo->Call(env->Global(), argc, argv_false);
|
|
CHECK_EQ(5, break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
TEST(DebugStepSwitch) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
// Create a function for testing stepping. Run it to allow it to get
|
|
// optimized.
|
|
const int argc = 1;
|
|
const char* src = "function foo(x) { "
|
|
" a = 1;"
|
|
" switch (x) {"
|
|
" case 1:"
|
|
" b = 1;"
|
|
" case 2:"
|
|
" c = 1;"
|
|
" break;"
|
|
" case 3:"
|
|
" d = 1;"
|
|
" e = 1;"
|
|
" f = 1;"
|
|
" break;"
|
|
" }"
|
|
"}"
|
|
"a=0; b=0; c=0; d=0; e=0; f=0; foo()";
|
|
v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
|
|
SetBreakPoint(foo, 0);
|
|
|
|
// One case with fall-through.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
v8::Handle<v8::Value> argv_1[argc] = { v8::Number::New(1) };
|
|
foo->Call(env->Global(), argc, argv_1);
|
|
CHECK_EQ(6, break_point_hit_count);
|
|
|
|
// Another case.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
v8::Handle<v8::Value> argv_2[argc] = { v8::Number::New(2) };
|
|
foo->Call(env->Global(), argc, argv_2);
|
|
CHECK_EQ(5, break_point_hit_count);
|
|
|
|
// Last case.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
v8::Handle<v8::Value> argv_3[argc] = { v8::Number::New(3) };
|
|
foo->Call(env->Global(), argc, argv_3);
|
|
CHECK_EQ(7, break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
TEST(DebugStepWhile) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
// Create a function for testing stepping. Run it to allow it to get
|
|
// optimized.
|
|
const int argc = 1;
|
|
const char* src = "function foo(x) { "
|
|
" var a = 0;"
|
|
" while (a < x) {"
|
|
" a++;"
|
|
" }"
|
|
"}"
|
|
"foo()";
|
|
v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
|
|
SetBreakPoint(foo, 8); // "var a = 0;"
|
|
|
|
// Looping 10 times.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
v8::Handle<v8::Value> argv_10[argc] = { v8::Number::New(10) };
|
|
foo->Call(env->Global(), argc, argv_10);
|
|
CHECK_EQ(22, break_point_hit_count);
|
|
|
|
// Looping 100 times.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
v8::Handle<v8::Value> argv_100[argc] = { v8::Number::New(100) };
|
|
foo->Call(env->Global(), argc, argv_100);
|
|
CHECK_EQ(202, break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
TEST(DebugStepDoWhile) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
// Create a function for testing stepping. Run it to allow it to get
|
|
// optimized.
|
|
const int argc = 1;
|
|
const char* src = "function foo(x) { "
|
|
" var a = 0;"
|
|
" do {"
|
|
" a++;"
|
|
" } while (a < x)"
|
|
"}"
|
|
"foo()";
|
|
v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
|
|
SetBreakPoint(foo, 8); // "var a = 0;"
|
|
|
|
// Looping 10 times.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
v8::Handle<v8::Value> argv_10[argc] = { v8::Number::New(10) };
|
|
foo->Call(env->Global(), argc, argv_10);
|
|
CHECK_EQ(22, break_point_hit_count);
|
|
|
|
// Looping 100 times.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
v8::Handle<v8::Value> argv_100[argc] = { v8::Number::New(100) };
|
|
foo->Call(env->Global(), argc, argv_100);
|
|
CHECK_EQ(202, break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
TEST(DebugStepFor) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
// Create a function for testing stepping. Run it to allow it to get
|
|
// optimized.
|
|
const int argc = 1;
|
|
const char* src = "function foo(x) { "
|
|
" a = 1;"
|
|
" for (i = 0; i < x; i++) {"
|
|
" b = 1;"
|
|
" }"
|
|
"}"
|
|
"a=0; b=0; i=0; foo()";
|
|
v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
|
|
|
|
SetBreakPoint(foo, 8); // "a = 1;"
|
|
|
|
// Looping 10 times.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
v8::Handle<v8::Value> argv_10[argc] = { v8::Number::New(10) };
|
|
foo->Call(env->Global(), argc, argv_10);
|
|
CHECK_EQ(23, break_point_hit_count);
|
|
|
|
// Looping 100 times.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
v8::Handle<v8::Value> argv_100[argc] = { v8::Number::New(100) };
|
|
foo->Call(env->Global(), argc, argv_100);
|
|
CHECK_EQ(203, break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
TEST(DebugStepForContinue) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
// Create a function for testing stepping. Run it to allow it to get
|
|
// optimized.
|
|
const int argc = 1;
|
|
const char* src = "function foo(x) { "
|
|
" var a = 0;"
|
|
" var b = 0;"
|
|
" var c = 0;"
|
|
" for (var i = 0; i < x; i++) {"
|
|
" a++;"
|
|
" if (a % 2 == 0) continue;"
|
|
" b++;"
|
|
" c++;"
|
|
" }"
|
|
" return b;"
|
|
"}"
|
|
"foo()";
|
|
v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
|
|
v8::Handle<v8::Value> result;
|
|
SetBreakPoint(foo, 8); // "var a = 0;"
|
|
|
|
// Each loop generates 4 or 5 steps depending on whether a is equal.
|
|
|
|
// Looping 10 times.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
v8::Handle<v8::Value> argv_10[argc] = { v8::Number::New(10) };
|
|
result = foo->Call(env->Global(), argc, argv_10);
|
|
CHECK_EQ(5, result->Int32Value());
|
|
CHECK_EQ(51, break_point_hit_count);
|
|
|
|
// Looping 100 times.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
v8::Handle<v8::Value> argv_100[argc] = { v8::Number::New(100) };
|
|
result = foo->Call(env->Global(), argc, argv_100);
|
|
CHECK_EQ(50, result->Int32Value());
|
|
CHECK_EQ(456, break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
TEST(DebugStepForBreak) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
// Create a function for testing stepping. Run it to allow it to get
|
|
// optimized.
|
|
const int argc = 1;
|
|
const char* src = "function foo(x) { "
|
|
" var a = 0;"
|
|
" var b = 0;"
|
|
" var c = 0;"
|
|
" for (var i = 0; i < 1000; i++) {"
|
|
" a++;"
|
|
" if (a == x) break;"
|
|
" b++;"
|
|
" c++;"
|
|
" }"
|
|
" return b;"
|
|
"}"
|
|
"foo()";
|
|
v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
|
|
v8::Handle<v8::Value> result;
|
|
SetBreakPoint(foo, 8); // "var a = 0;"
|
|
|
|
// Each loop generates 5 steps except for the last (when break is executed)
|
|
// which only generates 4.
|
|
|
|
// Looping 10 times.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
v8::Handle<v8::Value> argv_10[argc] = { v8::Number::New(10) };
|
|
result = foo->Call(env->Global(), argc, argv_10);
|
|
CHECK_EQ(9, result->Int32Value());
|
|
CHECK_EQ(54, break_point_hit_count);
|
|
|
|
// Looping 100 times.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
v8::Handle<v8::Value> argv_100[argc] = { v8::Number::New(100) };
|
|
result = foo->Call(env->Global(), argc, argv_100);
|
|
CHECK_EQ(99, result->Int32Value());
|
|
CHECK_EQ(504, break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
TEST(DebugStepForIn) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
// Create a function for testing stepping. Run it to allow it to get
|
|
// optimized.
|
|
v8::Local<v8::Function> foo;
|
|
const char* src_1 = "function foo() { "
|
|
" var a = [1, 2];"
|
|
" for (x in a) {"
|
|
" b = 0;"
|
|
" }"
|
|
"}"
|
|
"foo()";
|
|
foo = CompileFunction(&env, src_1, "foo");
|
|
SetBreakPoint(foo, 0); // "var a = ..."
|
|
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(6, break_point_hit_count);
|
|
|
|
// Create a function for testing stepping. Run it to allow it to get
|
|
// optimized.
|
|
const char* src_2 = "function foo() { "
|
|
" var a = {a:[1, 2, 3]};"
|
|
" for (x in a.a) {"
|
|
" b = 0;"
|
|
" }"
|
|
"}"
|
|
"foo()";
|
|
foo = CompileFunction(&env, src_2, "foo");
|
|
SetBreakPoint(foo, 0); // "var a = ..."
|
|
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(8, break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
TEST(DebugStepWith) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
// Create a function for testing stepping. Run it to allow it to get
|
|
// optimized.
|
|
const char* src = "function foo(x) { "
|
|
" var a = {};"
|
|
" with (a) {}"
|
|
" with (b) {}"
|
|
"}"
|
|
"foo()";
|
|
env->Global()->Set(v8::String::New("b"), v8::Object::New());
|
|
v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
|
|
v8::Handle<v8::Value> result;
|
|
SetBreakPoint(foo, 8); // "var a = {};"
|
|
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(4, break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
TEST(DebugConditional) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
// Create a function for testing stepping. Run it to allow it to get
|
|
// optimized.
|
|
const char* src = "function foo(x) { "
|
|
" var a;"
|
|
" a = x ? 1 : 2;"
|
|
" return a;"
|
|
"}"
|
|
"foo()";
|
|
v8::Local<v8::Function> foo = CompileFunction(&env, src, "foo");
|
|
SetBreakPoint(foo, 0); // "var a;"
|
|
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(5, break_point_hit_count);
|
|
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
const int argc = 1;
|
|
v8::Handle<v8::Value> argv_true[argc] = { v8::True() };
|
|
foo->Call(env->Global(), argc, argv_true);
|
|
CHECK_EQ(5, break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
TEST(StepInOutSimple) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Create a function for checking the function when hitting a break point.
|
|
frame_function_name = CompileFunction(&env,
|
|
frame_function_name_source,
|
|
"frame_function_name");
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStepSequence);
|
|
|
|
// Create a function for testing stepping. Run it to allow it to get
|
|
// optimized.
|
|
const char* src = "function a() {b();c();}; "
|
|
"function b() {c();}; "
|
|
"function c() {}; "
|
|
"a(); b(); c()";
|
|
v8::Local<v8::Function> a = CompileFunction(&env, src, "a");
|
|
SetBreakPoint(a, 0);
|
|
|
|
// Step through invocation of a with step in.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
expected_step_sequence = "abcbaca";
|
|
a->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(StrLength(expected_step_sequence),
|
|
break_point_hit_count);
|
|
|
|
// Step through invocation of a with step next.
|
|
step_action = StepNext;
|
|
break_point_hit_count = 0;
|
|
expected_step_sequence = "aaa";
|
|
a->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(StrLength(expected_step_sequence),
|
|
break_point_hit_count);
|
|
|
|
// Step through invocation of a with step out.
|
|
step_action = StepOut;
|
|
break_point_hit_count = 0;
|
|
expected_step_sequence = "a";
|
|
a->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(StrLength(expected_step_sequence),
|
|
break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
TEST(StepInOutTree) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Create a function for checking the function when hitting a break point.
|
|
frame_function_name = CompileFunction(&env,
|
|
frame_function_name_source,
|
|
"frame_function_name");
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStepSequence);
|
|
|
|
// Create a function for testing stepping. Run it to allow it to get
|
|
// optimized.
|
|
const char* src = "function a() {b(c(d()),d());c(d());d()}; "
|
|
"function b(x,y) {c();}; "
|
|
"function c(x) {}; "
|
|
"function d() {}; "
|
|
"a(); b(); c(); d()";
|
|
v8::Local<v8::Function> a = CompileFunction(&env, src, "a");
|
|
SetBreakPoint(a, 0);
|
|
|
|
// Step through invocation of a with step in.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
expected_step_sequence = "adacadabcbadacada";
|
|
a->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(StrLength(expected_step_sequence),
|
|
break_point_hit_count);
|
|
|
|
// Step through invocation of a with step next.
|
|
step_action = StepNext;
|
|
break_point_hit_count = 0;
|
|
expected_step_sequence = "aaaa";
|
|
a->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(StrLength(expected_step_sequence),
|
|
break_point_hit_count);
|
|
|
|
// Step through invocation of a with step out.
|
|
step_action = StepOut;
|
|
break_point_hit_count = 0;
|
|
expected_step_sequence = "a";
|
|
a->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(StrLength(expected_step_sequence),
|
|
break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded(true);
|
|
}
|
|
|
|
|
|
TEST(StepInOutBranch) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Create a function for checking the function when hitting a break point.
|
|
frame_function_name = CompileFunction(&env,
|
|
frame_function_name_source,
|
|
"frame_function_name");
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStepSequence);
|
|
|
|
// Create a function for testing stepping. Run it to allow it to get
|
|
// optimized.
|
|
const char* src = "function a() {b(false);c();}; "
|
|
"function b(x) {if(x){c();};}; "
|
|
"function c() {}; "
|
|
"a(); b(); c()";
|
|
v8::Local<v8::Function> a = CompileFunction(&env, src, "a");
|
|
SetBreakPoint(a, 0);
|
|
|
|
// Step through invocation of a.
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
expected_step_sequence = "abbaca";
|
|
a->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(StrLength(expected_step_sequence),
|
|
break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test that step in does not step into native functions.
|
|
TEST(DebugStepNatives) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Create a function for testing stepping.
|
|
v8::Local<v8::Function> foo = CompileFunction(
|
|
&env,
|
|
"function foo(){debugger;Math.sin(1);}",
|
|
"foo");
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
|
|
// With stepping all break locations are hit.
|
|
CHECK_EQ(3, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
|
|
// Register a debug event listener which just counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
|
|
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
|
|
// Without stepping only active break points are hit.
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test that step in works with function.apply.
|
|
TEST(DebugStepFunctionApply) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Create a function for testing stepping.
|
|
v8::Local<v8::Function> foo = CompileFunction(
|
|
&env,
|
|
"function bar(x, y, z) { if (x == 1) { a = y; b = z; } }"
|
|
"function foo(){ debugger; bar.apply(this, [1,2,3]); }",
|
|
"foo");
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
|
|
// With stepping all break locations are hit.
|
|
CHECK_EQ(7, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
|
|
// Register a debug event listener which just counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
|
|
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
|
|
// Without stepping only the debugger statement is hit.
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test that step in works with function.call.
|
|
TEST(DebugStepFunctionCall) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Create a function for testing stepping.
|
|
v8::Local<v8::Function> foo = CompileFunction(
|
|
&env,
|
|
"function bar(x, y, z) { if (x == 1) { a = y; b = z; } }"
|
|
"function foo(a){ debugger;"
|
|
" if (a) {"
|
|
" bar.call(this, 1, 2, 3);"
|
|
" } else {"
|
|
" bar.call(this, 0);"
|
|
" }"
|
|
"}",
|
|
"foo");
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStep);
|
|
step_action = StepIn;
|
|
|
|
// Check stepping where the if condition in bar is false.
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(6, break_point_hit_count);
|
|
|
|
// Check stepping where the if condition in bar is true.
|
|
break_point_hit_count = 0;
|
|
const int argc = 1;
|
|
v8::Handle<v8::Value> argv[argc] = { v8::True() };
|
|
foo->Call(env->Global(), argc, argv);
|
|
CHECK_EQ(8, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
|
|
// Register a debug event listener which just counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount);
|
|
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
|
|
// Without stepping only the debugger statement is hit.
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Tests that breakpoint will be hit if it's set in script.
|
|
TEST(PauseInScript) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
// Register a debug event listener which counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventCounter);
|
|
|
|
// Create a script that returns a function.
|
|
const char* src = "(function (evt) {})";
|
|
const char* script_name = "StepInHandlerTest";
|
|
|
|
// Set breakpoint in the script.
|
|
SetScriptBreakPointByNameFromJS(script_name, 0, -1);
|
|
break_point_hit_count = 0;
|
|
|
|
v8::ScriptOrigin origin(v8::String::New(script_name), v8::Integer::New(0));
|
|
v8::Handle<v8::Script> script = v8::Script::Compile(v8::String::New(src),
|
|
&origin);
|
|
v8::Local<v8::Value> r = script->Run();
|
|
|
|
CHECK(r->IsFunction());
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test break on exceptions. For each exception break combination the number
|
|
// of debug event exception callbacks and message callbacks are collected. The
|
|
// number of debug event exception callbacks are used to check that the
|
|
// debugger is called correctly and the number of message callbacks is used to
|
|
// check that uncaught exceptions are still returned even if there is a break
|
|
// for them.
|
|
TEST(BreakOnException) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
v8::internal::Isolate::Current()->TraceException(false);
|
|
|
|
// Create functions for testing break on exception.
|
|
CompileFunction(&env, "function throws(){throw 1;}", "throws");
|
|
v8::Local<v8::Function> caught =
|
|
CompileFunction(&env,
|
|
"function caught(){try {throws();} catch(e) {};}",
|
|
"caught");
|
|
v8::Local<v8::Function> notCaught =
|
|
CompileFunction(&env, "function notCaught(){throws();}", "notCaught");
|
|
|
|
v8::V8::AddMessageListener(MessageCallbackCount);
|
|
v8::Debug::SetDebugEventListener(DebugEventCounter);
|
|
|
|
// Initial state should be no break on exceptions.
|
|
DebugEventCounterClear();
|
|
MessageCallbackCountClear();
|
|
caught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, exception_hit_count);
|
|
CHECK_EQ(0, uncaught_exception_hit_count);
|
|
CHECK_EQ(0, message_callback_count);
|
|
notCaught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, exception_hit_count);
|
|
CHECK_EQ(0, uncaught_exception_hit_count);
|
|
CHECK_EQ(1, message_callback_count);
|
|
|
|
// No break on exception
|
|
DebugEventCounterClear();
|
|
MessageCallbackCountClear();
|
|
ChangeBreakOnException(false, false);
|
|
caught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, exception_hit_count);
|
|
CHECK_EQ(0, uncaught_exception_hit_count);
|
|
CHECK_EQ(0, message_callback_count);
|
|
notCaught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, exception_hit_count);
|
|
CHECK_EQ(0, uncaught_exception_hit_count);
|
|
CHECK_EQ(1, message_callback_count);
|
|
|
|
// Break on uncaught exception
|
|
DebugEventCounterClear();
|
|
MessageCallbackCountClear();
|
|
ChangeBreakOnException(false, true);
|
|
caught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, exception_hit_count);
|
|
CHECK_EQ(0, uncaught_exception_hit_count);
|
|
CHECK_EQ(0, message_callback_count);
|
|
notCaught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, exception_hit_count);
|
|
CHECK_EQ(1, uncaught_exception_hit_count);
|
|
CHECK_EQ(1, message_callback_count);
|
|
|
|
// Break on exception and uncaught exception
|
|
DebugEventCounterClear();
|
|
MessageCallbackCountClear();
|
|
ChangeBreakOnException(true, true);
|
|
caught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, exception_hit_count);
|
|
CHECK_EQ(0, uncaught_exception_hit_count);
|
|
CHECK_EQ(0, message_callback_count);
|
|
notCaught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, exception_hit_count);
|
|
CHECK_EQ(1, uncaught_exception_hit_count);
|
|
CHECK_EQ(1, message_callback_count);
|
|
|
|
// Break on exception
|
|
DebugEventCounterClear();
|
|
MessageCallbackCountClear();
|
|
ChangeBreakOnException(true, false);
|
|
caught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, exception_hit_count);
|
|
CHECK_EQ(0, uncaught_exception_hit_count);
|
|
CHECK_EQ(0, message_callback_count);
|
|
notCaught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, exception_hit_count);
|
|
CHECK_EQ(1, uncaught_exception_hit_count);
|
|
CHECK_EQ(1, message_callback_count);
|
|
|
|
// No break on exception using JavaScript
|
|
DebugEventCounterClear();
|
|
MessageCallbackCountClear();
|
|
ChangeBreakOnExceptionFromJS(false, false);
|
|
caught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, exception_hit_count);
|
|
CHECK_EQ(0, uncaught_exception_hit_count);
|
|
CHECK_EQ(0, message_callback_count);
|
|
notCaught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, exception_hit_count);
|
|
CHECK_EQ(0, uncaught_exception_hit_count);
|
|
CHECK_EQ(1, message_callback_count);
|
|
|
|
// Break on uncaught exception using JavaScript
|
|
DebugEventCounterClear();
|
|
MessageCallbackCountClear();
|
|
ChangeBreakOnExceptionFromJS(false, true);
|
|
caught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, exception_hit_count);
|
|
CHECK_EQ(0, uncaught_exception_hit_count);
|
|
CHECK_EQ(0, message_callback_count);
|
|
notCaught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, exception_hit_count);
|
|
CHECK_EQ(1, uncaught_exception_hit_count);
|
|
CHECK_EQ(1, message_callback_count);
|
|
|
|
// Break on exception and uncaught exception using JavaScript
|
|
DebugEventCounterClear();
|
|
MessageCallbackCountClear();
|
|
ChangeBreakOnExceptionFromJS(true, true);
|
|
caught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, exception_hit_count);
|
|
CHECK_EQ(0, message_callback_count);
|
|
CHECK_EQ(0, uncaught_exception_hit_count);
|
|
notCaught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, exception_hit_count);
|
|
CHECK_EQ(1, uncaught_exception_hit_count);
|
|
CHECK_EQ(1, message_callback_count);
|
|
|
|
// Break on exception using JavaScript
|
|
DebugEventCounterClear();
|
|
MessageCallbackCountClear();
|
|
ChangeBreakOnExceptionFromJS(true, false);
|
|
caught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, exception_hit_count);
|
|
CHECK_EQ(0, uncaught_exception_hit_count);
|
|
CHECK_EQ(0, message_callback_count);
|
|
notCaught->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, exception_hit_count);
|
|
CHECK_EQ(1, uncaught_exception_hit_count);
|
|
CHECK_EQ(1, message_callback_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
v8::V8::RemoveMessageListeners(MessageCallbackCount);
|
|
}
|
|
|
|
|
|
// Test break on exception from compiler errors. When compiling using
|
|
// v8::Script::Compile there is no JavaScript stack whereas when compiling using
|
|
// eval there are JavaScript frames.
|
|
TEST(BreakOnCompileException) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// For this test, we want to break on uncaught exceptions:
|
|
ChangeBreakOnException(false, true);
|
|
|
|
v8::internal::Isolate::Current()->TraceException(false);
|
|
|
|
// Create a function for checking the function when hitting a break point.
|
|
frame_count = CompileFunction(&env, frame_count_source, "frame_count");
|
|
|
|
v8::V8::AddMessageListener(MessageCallbackCount);
|
|
v8::Debug::SetDebugEventListener(DebugEventCounter);
|
|
|
|
DebugEventCounterClear();
|
|
MessageCallbackCountClear();
|
|
|
|
// Check initial state.
|
|
CHECK_EQ(0, exception_hit_count);
|
|
CHECK_EQ(0, uncaught_exception_hit_count);
|
|
CHECK_EQ(0, message_callback_count);
|
|
CHECK_EQ(-1, last_js_stack_height);
|
|
|
|
// Throws SyntaxError: Unexpected end of input
|
|
v8::Script::Compile(v8::String::New("+++"));
|
|
CHECK_EQ(1, exception_hit_count);
|
|
CHECK_EQ(1, uncaught_exception_hit_count);
|
|
CHECK_EQ(1, message_callback_count);
|
|
CHECK_EQ(0, last_js_stack_height); // No JavaScript stack.
|
|
|
|
// Throws SyntaxError: Unexpected identifier
|
|
v8::Script::Compile(v8::String::New("x x"));
|
|
CHECK_EQ(2, exception_hit_count);
|
|
CHECK_EQ(2, uncaught_exception_hit_count);
|
|
CHECK_EQ(2, message_callback_count);
|
|
CHECK_EQ(0, last_js_stack_height); // No JavaScript stack.
|
|
|
|
// Throws SyntaxError: Unexpected end of input
|
|
v8::Script::Compile(v8::String::New("eval('+++')"))->Run();
|
|
CHECK_EQ(3, exception_hit_count);
|
|
CHECK_EQ(3, uncaught_exception_hit_count);
|
|
CHECK_EQ(3, message_callback_count);
|
|
CHECK_EQ(1, last_js_stack_height);
|
|
|
|
// Throws SyntaxError: Unexpected identifier
|
|
v8::Script::Compile(v8::String::New("eval('x x')"))->Run();
|
|
CHECK_EQ(4, exception_hit_count);
|
|
CHECK_EQ(4, uncaught_exception_hit_count);
|
|
CHECK_EQ(4, message_callback_count);
|
|
CHECK_EQ(1, last_js_stack_height);
|
|
}
|
|
|
|
|
|
TEST(StepWithException) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// For this test, we want to break on uncaught exceptions:
|
|
ChangeBreakOnException(false, true);
|
|
|
|
// Create a function for checking the function when hitting a break point.
|
|
frame_function_name = CompileFunction(&env,
|
|
frame_function_name_source,
|
|
"frame_function_name");
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventStepSequence);
|
|
|
|
// Create functions for testing stepping.
|
|
const char* src = "function a() { n(); }; "
|
|
"function b() { c(); }; "
|
|
"function c() { n(); }; "
|
|
"function d() { x = 1; try { e(); } catch(x) { x = 2; } }; "
|
|
"function e() { n(); }; "
|
|
"function f() { x = 1; try { g(); } catch(x) { x = 2; } }; "
|
|
"function g() { h(); }; "
|
|
"function h() { x = 1; throw 1; }; ";
|
|
|
|
// Step through invocation of a.
|
|
v8::Local<v8::Function> a = CompileFunction(&env, src, "a");
|
|
SetBreakPoint(a, 0);
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
expected_step_sequence = "aa";
|
|
a->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(StrLength(expected_step_sequence),
|
|
break_point_hit_count);
|
|
|
|
// Step through invocation of b + c.
|
|
v8::Local<v8::Function> b = CompileFunction(&env, src, "b");
|
|
SetBreakPoint(b, 0);
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
expected_step_sequence = "bcc";
|
|
b->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(StrLength(expected_step_sequence),
|
|
break_point_hit_count);
|
|
// Step through invocation of d + e.
|
|
v8::Local<v8::Function> d = CompileFunction(&env, src, "d");
|
|
SetBreakPoint(d, 0);
|
|
ChangeBreakOnException(false, true);
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
expected_step_sequence = "ddedd";
|
|
d->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(StrLength(expected_step_sequence),
|
|
break_point_hit_count);
|
|
|
|
// Step through invocation of d + e now with break on caught exceptions.
|
|
ChangeBreakOnException(true, true);
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
expected_step_sequence = "ddeedd";
|
|
d->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(StrLength(expected_step_sequence),
|
|
break_point_hit_count);
|
|
|
|
// Step through invocation of f + g + h.
|
|
v8::Local<v8::Function> f = CompileFunction(&env, src, "f");
|
|
SetBreakPoint(f, 0);
|
|
ChangeBreakOnException(false, true);
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
expected_step_sequence = "ffghhff";
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(StrLength(expected_step_sequence),
|
|
break_point_hit_count);
|
|
|
|
// Step through invocation of f + g + h now with break on caught exceptions.
|
|
ChangeBreakOnException(true, true);
|
|
step_action = StepIn;
|
|
break_point_hit_count = 0;
|
|
expected_step_sequence = "ffghhhff";
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(StrLength(expected_step_sequence),
|
|
break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
TEST(DebugBreak) {
|
|
#ifdef VERIFY_HEAP
|
|
i::FLAG_verify_heap = true;
|
|
#endif
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which sets the break flag and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventBreak);
|
|
|
|
// Create a function for testing stepping.
|
|
const char* src = "function f0() {}"
|
|
"function f1(x1) {}"
|
|
"function f2(x1,x2) {}"
|
|
"function f3(x1,x2,x3) {}";
|
|
v8::Local<v8::Function> f0 = CompileFunction(&env, src, "f0");
|
|
v8::Local<v8::Function> f1 = CompileFunction(&env, src, "f1");
|
|
v8::Local<v8::Function> f2 = CompileFunction(&env, src, "f2");
|
|
v8::Local<v8::Function> f3 = CompileFunction(&env, src, "f3");
|
|
|
|
// Call the function to make sure it is compiled.
|
|
v8::Handle<v8::Value> argv[] = { v8::Number::New(1),
|
|
v8::Number::New(1),
|
|
v8::Number::New(1),
|
|
v8::Number::New(1) };
|
|
|
|
// Call all functions to make sure that they are compiled.
|
|
f0->Call(env->Global(), 0, NULL);
|
|
f1->Call(env->Global(), 0, NULL);
|
|
f2->Call(env->Global(), 0, NULL);
|
|
f3->Call(env->Global(), 0, NULL);
|
|
|
|
// Set the debug break flag.
|
|
v8::Debug::DebugBreak();
|
|
|
|
// Call all functions with different argument count.
|
|
break_point_hit_count = 0;
|
|
for (unsigned int i = 0; i < ARRAY_SIZE(argv); i++) {
|
|
f0->Call(env->Global(), i, argv);
|
|
f1->Call(env->Global(), i, argv);
|
|
f2->Call(env->Global(), i, argv);
|
|
f3->Call(env->Global(), i, argv);
|
|
}
|
|
|
|
// One break for each function called.
|
|
CHECK_EQ(4 * ARRAY_SIZE(argv), break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Test to ensure that JavaScript code keeps running while the debug break
|
|
// through the stack limit flag is set but breaks are disabled.
|
|
TEST(DisableBreak) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which sets the break flag and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventCounter);
|
|
|
|
// Create a function for testing stepping.
|
|
const char* src = "function f() {g()};function g(){i=0; while(i<10){i++}}";
|
|
v8::Local<v8::Function> f = CompileFunction(&env, src, "f");
|
|
|
|
// Set the debug break flag.
|
|
v8::Debug::DebugBreak();
|
|
|
|
// Call all functions with different argument count.
|
|
break_point_hit_count = 0;
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
{
|
|
v8::Debug::DebugBreak();
|
|
v8::internal::DisableBreak disable_break(true);
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
}
|
|
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
static const char* kSimpleExtensionSource =
|
|
"(function Foo() {"
|
|
" return 4;"
|
|
"})() ";
|
|
|
|
// http://crbug.com/28933
|
|
// Test that debug break is disabled when bootstrapper is active.
|
|
TEST(NoBreakWhenBootstrapping) {
|
|
v8::HandleScope scope;
|
|
|
|
// Register a debug event listener which sets the break flag and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventCounter);
|
|
|
|
// Set the debug break flag.
|
|
v8::Debug::DebugBreak();
|
|
break_point_hit_count = 0;
|
|
{
|
|
// Create a context with an extension to make sure that some JavaScript
|
|
// code is executed during bootstrapping.
|
|
v8::RegisterExtension(new v8::Extension("simpletest",
|
|
kSimpleExtensionSource));
|
|
const char* extension_names[] = { "simpletest" };
|
|
v8::ExtensionConfiguration extensions(1, extension_names);
|
|
v8::Persistent<v8::Context> context = v8::Context::New(&extensions);
|
|
context.Dispose(context->GetIsolate());
|
|
}
|
|
// Check that no DebugBreak events occured during the context creation.
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
static v8::Handle<v8::Array> NamedEnum(const v8::AccessorInfo&) {
|
|
v8::Handle<v8::Array> result = v8::Array::New(3);
|
|
result->Set(v8::Integer::New(0), v8::String::New("a"));
|
|
result->Set(v8::Integer::New(1), v8::String::New("b"));
|
|
result->Set(v8::Integer::New(2), v8::String::New("c"));
|
|
return result;
|
|
}
|
|
|
|
|
|
static v8::Handle<v8::Array> IndexedEnum(const v8::AccessorInfo&) {
|
|
v8::Handle<v8::Array> result = v8::Array::New(2);
|
|
result->Set(v8::Integer::New(0), v8::Number::New(1));
|
|
result->Set(v8::Integer::New(1), v8::Number::New(10));
|
|
return result;
|
|
}
|
|
|
|
|
|
static v8::Handle<v8::Value> NamedGetter(v8::Local<v8::String> name,
|
|
const v8::AccessorInfo& info) {
|
|
v8::String::AsciiValue n(name);
|
|
if (strcmp(*n, "a") == 0) {
|
|
return v8::String::New("AA");
|
|
} else if (strcmp(*n, "b") == 0) {
|
|
return v8::String::New("BB");
|
|
} else if (strcmp(*n, "c") == 0) {
|
|
return v8::String::New("CC");
|
|
} else {
|
|
return v8::Undefined();
|
|
}
|
|
|
|
return name;
|
|
}
|
|
|
|
|
|
static v8::Handle<v8::Value> IndexedGetter(uint32_t index,
|
|
const v8::AccessorInfo& info) {
|
|
return v8::Number::New(index + 1);
|
|
}
|
|
|
|
|
|
TEST(InterceptorPropertyMirror) {
|
|
// Create a V8 environment with debug access.
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
// Create object with named interceptor.
|
|
v8::Handle<v8::ObjectTemplate> named = v8::ObjectTemplate::New();
|
|
named->SetNamedPropertyHandler(NamedGetter, NULL, NULL, NULL, NamedEnum);
|
|
env->Global()->Set(v8::String::New("intercepted_named"),
|
|
named->NewInstance());
|
|
|
|
// Create object with indexed interceptor.
|
|
v8::Handle<v8::ObjectTemplate> indexed = v8::ObjectTemplate::New();
|
|
indexed->SetIndexedPropertyHandler(IndexedGetter,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
IndexedEnum);
|
|
env->Global()->Set(v8::String::New("intercepted_indexed"),
|
|
indexed->NewInstance());
|
|
|
|
// Create object with both named and indexed interceptor.
|
|
v8::Handle<v8::ObjectTemplate> both = v8::ObjectTemplate::New();
|
|
both->SetNamedPropertyHandler(NamedGetter, NULL, NULL, NULL, NamedEnum);
|
|
both->SetIndexedPropertyHandler(IndexedGetter, NULL, NULL, NULL, IndexedEnum);
|
|
env->Global()->Set(v8::String::New("intercepted_both"), both->NewInstance());
|
|
|
|
// Get mirrors for the three objects with interceptor.
|
|
CompileRun(
|
|
"var named_mirror = debug.MakeMirror(intercepted_named);"
|
|
"var indexed_mirror = debug.MakeMirror(intercepted_indexed);"
|
|
"var both_mirror = debug.MakeMirror(intercepted_both)");
|
|
CHECK(CompileRun(
|
|
"named_mirror instanceof debug.ObjectMirror")->BooleanValue());
|
|
CHECK(CompileRun(
|
|
"indexed_mirror instanceof debug.ObjectMirror")->BooleanValue());
|
|
CHECK(CompileRun(
|
|
"both_mirror instanceof debug.ObjectMirror")->BooleanValue());
|
|
|
|
// Get the property names from the interceptors
|
|
CompileRun(
|
|
"named_names = named_mirror.propertyNames();"
|
|
"indexed_names = indexed_mirror.propertyNames();"
|
|
"both_names = both_mirror.propertyNames()");
|
|
CHECK_EQ(3, CompileRun("named_names.length")->Int32Value());
|
|
CHECK_EQ(2, CompileRun("indexed_names.length")->Int32Value());
|
|
CHECK_EQ(5, CompileRun("both_names.length")->Int32Value());
|
|
|
|
// Check the expected number of properties.
|
|
const char* source;
|
|
source = "named_mirror.properties().length";
|
|
CHECK_EQ(3, CompileRun(source)->Int32Value());
|
|
|
|
source = "indexed_mirror.properties().length";
|
|
CHECK_EQ(2, CompileRun(source)->Int32Value());
|
|
|
|
source = "both_mirror.properties().length";
|
|
CHECK_EQ(5, CompileRun(source)->Int32Value());
|
|
|
|
// 1 is PropertyKind.Named;
|
|
source = "both_mirror.properties(1).length";
|
|
CHECK_EQ(3, CompileRun(source)->Int32Value());
|
|
|
|
// 2 is PropertyKind.Indexed;
|
|
source = "both_mirror.properties(2).length";
|
|
CHECK_EQ(2, CompileRun(source)->Int32Value());
|
|
|
|
// 3 is PropertyKind.Named | PropertyKind.Indexed;
|
|
source = "both_mirror.properties(3).length";
|
|
CHECK_EQ(5, CompileRun(source)->Int32Value());
|
|
|
|
// Get the interceptor properties for the object with only named interceptor.
|
|
CompileRun("var named_values = named_mirror.properties()");
|
|
|
|
// Check that the properties are interceptor properties.
|
|
for (int i = 0; i < 3; i++) {
|
|
EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
|
|
OS::SNPrintF(buffer,
|
|
"named_values[%d] instanceof debug.PropertyMirror", i);
|
|
CHECK(CompileRun(buffer.start())->BooleanValue());
|
|
|
|
OS::SNPrintF(buffer, "named_values[%d].propertyType()", i);
|
|
CHECK_EQ(v8::internal::INTERCEPTOR,
|
|
CompileRun(buffer.start())->Int32Value());
|
|
|
|
OS::SNPrintF(buffer, "named_values[%d].isNative()", i);
|
|
CHECK(CompileRun(buffer.start())->BooleanValue());
|
|
}
|
|
|
|
// Get the interceptor properties for the object with only indexed
|
|
// interceptor.
|
|
CompileRun("var indexed_values = indexed_mirror.properties()");
|
|
|
|
// Check that the properties are interceptor properties.
|
|
for (int i = 0; i < 2; i++) {
|
|
EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
|
|
OS::SNPrintF(buffer,
|
|
"indexed_values[%d] instanceof debug.PropertyMirror", i);
|
|
CHECK(CompileRun(buffer.start())->BooleanValue());
|
|
}
|
|
|
|
// Get the interceptor properties for the object with both types of
|
|
// interceptors.
|
|
CompileRun("var both_values = both_mirror.properties()");
|
|
|
|
// Check that the properties are interceptor properties.
|
|
for (int i = 0; i < 5; i++) {
|
|
EmbeddedVector<char, SMALL_STRING_BUFFER_SIZE> buffer;
|
|
OS::SNPrintF(buffer, "both_values[%d] instanceof debug.PropertyMirror", i);
|
|
CHECK(CompileRun(buffer.start())->BooleanValue());
|
|
}
|
|
|
|
// Check the property names.
|
|
source = "both_values[0].name() == 'a'";
|
|
CHECK(CompileRun(source)->BooleanValue());
|
|
|
|
source = "both_values[1].name() == 'b'";
|
|
CHECK(CompileRun(source)->BooleanValue());
|
|
|
|
source = "both_values[2].name() == 'c'";
|
|
CHECK(CompileRun(source)->BooleanValue());
|
|
|
|
source = "both_values[3].name() == 1";
|
|
CHECK(CompileRun(source)->BooleanValue());
|
|
|
|
source = "both_values[4].name() == 10";
|
|
CHECK(CompileRun(source)->BooleanValue());
|
|
}
|
|
|
|
|
|
TEST(HiddenPrototypePropertyMirror) {
|
|
// Create a V8 environment with debug access.
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
v8::Handle<v8::FunctionTemplate> t0 = v8::FunctionTemplate::New();
|
|
t0->InstanceTemplate()->Set(v8::String::New("x"), v8::Number::New(0));
|
|
v8::Handle<v8::FunctionTemplate> t1 = v8::FunctionTemplate::New();
|
|
t1->SetHiddenPrototype(true);
|
|
t1->InstanceTemplate()->Set(v8::String::New("y"), v8::Number::New(1));
|
|
v8::Handle<v8::FunctionTemplate> t2 = v8::FunctionTemplate::New();
|
|
t2->SetHiddenPrototype(true);
|
|
t2->InstanceTemplate()->Set(v8::String::New("z"), v8::Number::New(2));
|
|
v8::Handle<v8::FunctionTemplate> t3 = v8::FunctionTemplate::New();
|
|
t3->InstanceTemplate()->Set(v8::String::New("u"), v8::Number::New(3));
|
|
|
|
// Create object and set them on the global object.
|
|
v8::Handle<v8::Object> o0 = t0->GetFunction()->NewInstance();
|
|
env->Global()->Set(v8::String::New("o0"), o0);
|
|
v8::Handle<v8::Object> o1 = t1->GetFunction()->NewInstance();
|
|
env->Global()->Set(v8::String::New("o1"), o1);
|
|
v8::Handle<v8::Object> o2 = t2->GetFunction()->NewInstance();
|
|
env->Global()->Set(v8::String::New("o2"), o2);
|
|
v8::Handle<v8::Object> o3 = t3->GetFunction()->NewInstance();
|
|
env->Global()->Set(v8::String::New("o3"), o3);
|
|
|
|
// Get mirrors for the four objects.
|
|
CompileRun(
|
|
"var o0_mirror = debug.MakeMirror(o0);"
|
|
"var o1_mirror = debug.MakeMirror(o1);"
|
|
"var o2_mirror = debug.MakeMirror(o2);"
|
|
"var o3_mirror = debug.MakeMirror(o3)");
|
|
CHECK(CompileRun("o0_mirror instanceof debug.ObjectMirror")->BooleanValue());
|
|
CHECK(CompileRun("o1_mirror instanceof debug.ObjectMirror")->BooleanValue());
|
|
CHECK(CompileRun("o2_mirror instanceof debug.ObjectMirror")->BooleanValue());
|
|
CHECK(CompileRun("o3_mirror instanceof debug.ObjectMirror")->BooleanValue());
|
|
|
|
// Check that each object has one property.
|
|
CHECK_EQ(1, CompileRun(
|
|
"o0_mirror.propertyNames().length")->Int32Value());
|
|
CHECK_EQ(1, CompileRun(
|
|
"o1_mirror.propertyNames().length")->Int32Value());
|
|
CHECK_EQ(1, CompileRun(
|
|
"o2_mirror.propertyNames().length")->Int32Value());
|
|
CHECK_EQ(1, CompileRun(
|
|
"o3_mirror.propertyNames().length")->Int32Value());
|
|
|
|
// Set o1 as prototype for o0. o1 has the hidden prototype flag so all
|
|
// properties on o1 should be seen on o0.
|
|
o0->Set(v8::String::New("__proto__"), o1);
|
|
CHECK_EQ(2, CompileRun(
|
|
"o0_mirror.propertyNames().length")->Int32Value());
|
|
CHECK_EQ(0, CompileRun(
|
|
"o0_mirror.property('x').value().value()")->Int32Value());
|
|
CHECK_EQ(1, CompileRun(
|
|
"o0_mirror.property('y').value().value()")->Int32Value());
|
|
|
|
// Set o2 as prototype for o0 (it will end up after o1 as o1 has the hidden
|
|
// prototype flag. o2 also has the hidden prototype flag so all properties
|
|
// on o2 should be seen on o0 as well as properties on o1.
|
|
o0->Set(v8::String::New("__proto__"), o2);
|
|
CHECK_EQ(3, CompileRun(
|
|
"o0_mirror.propertyNames().length")->Int32Value());
|
|
CHECK_EQ(0, CompileRun(
|
|
"o0_mirror.property('x').value().value()")->Int32Value());
|
|
CHECK_EQ(1, CompileRun(
|
|
"o0_mirror.property('y').value().value()")->Int32Value());
|
|
CHECK_EQ(2, CompileRun(
|
|
"o0_mirror.property('z').value().value()")->Int32Value());
|
|
|
|
// Set o3 as prototype for o0 (it will end up after o1 and o2 as both o1 and
|
|
// o2 has the hidden prototype flag. o3 does not have the hidden prototype
|
|
// flag so properties on o3 should not be seen on o0 whereas the properties
|
|
// from o1 and o2 should still be seen on o0.
|
|
// Final prototype chain: o0 -> o1 -> o2 -> o3
|
|
// Hidden prototypes: ^^ ^^
|
|
o0->Set(v8::String::New("__proto__"), o3);
|
|
CHECK_EQ(3, CompileRun(
|
|
"o0_mirror.propertyNames().length")->Int32Value());
|
|
CHECK_EQ(1, CompileRun(
|
|
"o3_mirror.propertyNames().length")->Int32Value());
|
|
CHECK_EQ(0, CompileRun(
|
|
"o0_mirror.property('x').value().value()")->Int32Value());
|
|
CHECK_EQ(1, CompileRun(
|
|
"o0_mirror.property('y').value().value()")->Int32Value());
|
|
CHECK_EQ(2, CompileRun(
|
|
"o0_mirror.property('z').value().value()")->Int32Value());
|
|
CHECK(CompileRun("o0_mirror.property('u').isUndefined()")->BooleanValue());
|
|
|
|
// The prototype (__proto__) for o0 should be o3 as o1 and o2 are hidden.
|
|
CHECK(CompileRun("o0_mirror.protoObject() == o3_mirror")->BooleanValue());
|
|
}
|
|
|
|
|
|
static v8::Handle<v8::Value> ProtperyXNativeGetter(
|
|
v8::Local<v8::String> property, const v8::AccessorInfo& info) {
|
|
return v8::Integer::New(10);
|
|
}
|
|
|
|
|
|
TEST(NativeGetterPropertyMirror) {
|
|
// Create a V8 environment with debug access.
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
v8::Handle<v8::String> name = v8::String::New("x");
|
|
// Create object with named accessor.
|
|
v8::Handle<v8::ObjectTemplate> named = v8::ObjectTemplate::New();
|
|
named->SetAccessor(name, &ProtperyXNativeGetter, NULL,
|
|
v8::Handle<v8::Value>(), v8::DEFAULT, v8::None);
|
|
|
|
// Create object with named property getter.
|
|
env->Global()->Set(v8::String::New("instance"), named->NewInstance());
|
|
CHECK_EQ(10, CompileRun("instance.x")->Int32Value());
|
|
|
|
// Get mirror for the object with property getter.
|
|
CompileRun("var instance_mirror = debug.MakeMirror(instance);");
|
|
CHECK(CompileRun(
|
|
"instance_mirror instanceof debug.ObjectMirror")->BooleanValue());
|
|
|
|
CompileRun("var named_names = instance_mirror.propertyNames();");
|
|
CHECK_EQ(1, CompileRun("named_names.length")->Int32Value());
|
|
CHECK(CompileRun("named_names[0] == 'x'")->BooleanValue());
|
|
CHECK(CompileRun(
|
|
"instance_mirror.property('x').value().isNumber()")->BooleanValue());
|
|
CHECK(CompileRun(
|
|
"instance_mirror.property('x').value().value() == 10")->BooleanValue());
|
|
}
|
|
|
|
|
|
static v8::Handle<v8::Value> ProtperyXNativeGetterThrowingError(
|
|
v8::Local<v8::String> property, const v8::AccessorInfo& info) {
|
|
return CompileRun("throw new Error('Error message');");
|
|
}
|
|
|
|
|
|
TEST(NativeGetterThrowingErrorPropertyMirror) {
|
|
// Create a V8 environment with debug access.
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
v8::Handle<v8::String> name = v8::String::New("x");
|
|
// Create object with named accessor.
|
|
v8::Handle<v8::ObjectTemplate> named = v8::ObjectTemplate::New();
|
|
named->SetAccessor(name, &ProtperyXNativeGetterThrowingError, NULL,
|
|
v8::Handle<v8::Value>(), v8::DEFAULT, v8::None);
|
|
|
|
// Create object with named property getter.
|
|
env->Global()->Set(v8::String::New("instance"), named->NewInstance());
|
|
|
|
// Get mirror for the object with property getter.
|
|
CompileRun("var instance_mirror = debug.MakeMirror(instance);");
|
|
CHECK(CompileRun(
|
|
"instance_mirror instanceof debug.ObjectMirror")->BooleanValue());
|
|
CompileRun("named_names = instance_mirror.propertyNames();");
|
|
CHECK_EQ(1, CompileRun("named_names.length")->Int32Value());
|
|
CHECK(CompileRun("named_names[0] == 'x'")->BooleanValue());
|
|
CHECK(CompileRun(
|
|
"instance_mirror.property('x').value().isError()")->BooleanValue());
|
|
|
|
// Check that the message is that passed to the Error constructor.
|
|
CHECK(CompileRun(
|
|
"instance_mirror.property('x').value().message() == 'Error message'")->
|
|
BooleanValue());
|
|
}
|
|
|
|
|
|
// Test that hidden properties object is not returned as an unnamed property
|
|
// among regular properties.
|
|
// See http://crbug.com/26491
|
|
TEST(NoHiddenProperties) {
|
|
// Create a V8 environment with debug access.
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
// Create an object in the global scope.
|
|
const char* source = "var obj = {a: 1};";
|
|
v8::Script::Compile(v8::String::New(source))->Run();
|
|
v8::Local<v8::Object> obj = v8::Local<v8::Object>::Cast(
|
|
env->Global()->Get(v8::String::New("obj")));
|
|
// Set a hidden property on the object.
|
|
obj->SetHiddenValue(v8::String::New("v8::test-debug::a"),
|
|
v8::Int32::New(11));
|
|
|
|
// Get mirror for the object with property getter.
|
|
CompileRun("var obj_mirror = debug.MakeMirror(obj);");
|
|
CHECK(CompileRun(
|
|
"obj_mirror instanceof debug.ObjectMirror")->BooleanValue());
|
|
CompileRun("var named_names = obj_mirror.propertyNames();");
|
|
// There should be exactly one property. But there is also an unnamed
|
|
// property whose value is hidden properties dictionary. The latter
|
|
// property should not be in the list of reguar properties.
|
|
CHECK_EQ(1, CompileRun("named_names.length")->Int32Value());
|
|
CHECK(CompileRun("named_names[0] == 'a'")->BooleanValue());
|
|
CHECK(CompileRun(
|
|
"obj_mirror.property('a').value().value() == 1")->BooleanValue());
|
|
|
|
// Object created by t0 will become hidden prototype of object 'obj'.
|
|
v8::Handle<v8::FunctionTemplate> t0 = v8::FunctionTemplate::New();
|
|
t0->InstanceTemplate()->Set(v8::String::New("b"), v8::Number::New(2));
|
|
t0->SetHiddenPrototype(true);
|
|
v8::Handle<v8::FunctionTemplate> t1 = v8::FunctionTemplate::New();
|
|
t1->InstanceTemplate()->Set(v8::String::New("c"), v8::Number::New(3));
|
|
|
|
// Create proto objects, add hidden properties to them and set them on
|
|
// the global object.
|
|
v8::Handle<v8::Object> protoObj = t0->GetFunction()->NewInstance();
|
|
protoObj->SetHiddenValue(v8::String::New("v8::test-debug::b"),
|
|
v8::Int32::New(12));
|
|
env->Global()->Set(v8::String::New("protoObj"), protoObj);
|
|
v8::Handle<v8::Object> grandProtoObj = t1->GetFunction()->NewInstance();
|
|
grandProtoObj->SetHiddenValue(v8::String::New("v8::test-debug::c"),
|
|
v8::Int32::New(13));
|
|
env->Global()->Set(v8::String::New("grandProtoObj"), grandProtoObj);
|
|
|
|
// Setting prototypes: obj->protoObj->grandProtoObj
|
|
protoObj->Set(v8::String::New("__proto__"), grandProtoObj);
|
|
obj->Set(v8::String::New("__proto__"), protoObj);
|
|
|
|
// Get mirror for the object with property getter.
|
|
CompileRun("var obj_mirror = debug.MakeMirror(obj);");
|
|
CHECK(CompileRun(
|
|
"obj_mirror instanceof debug.ObjectMirror")->BooleanValue());
|
|
CompileRun("var named_names = obj_mirror.propertyNames();");
|
|
// There should be exactly two properties - one from the object itself and
|
|
// another from its hidden prototype.
|
|
CHECK_EQ(2, CompileRun("named_names.length")->Int32Value());
|
|
CHECK(CompileRun("named_names.sort(); named_names[0] == 'a' &&"
|
|
"named_names[1] == 'b'")->BooleanValue());
|
|
CHECK(CompileRun(
|
|
"obj_mirror.property('a').value().value() == 1")->BooleanValue());
|
|
CHECK(CompileRun(
|
|
"obj_mirror.property('b').value().value() == 2")->BooleanValue());
|
|
}
|
|
|
|
|
|
// Multithreaded tests of JSON debugger protocol
|
|
|
|
// Support classes
|
|
|
|
// Provides synchronization between k threads, where k is an input to the
|
|
// constructor. The Wait() call blocks a thread until it is called for the
|
|
// k'th time, then all calls return. Each ThreadBarrier object can only
|
|
// be used once.
|
|
class ThreadBarrier {
|
|
public:
|
|
explicit ThreadBarrier(int num_threads);
|
|
~ThreadBarrier();
|
|
void Wait();
|
|
private:
|
|
int num_threads_;
|
|
int num_blocked_;
|
|
v8::internal::Mutex* lock_;
|
|
v8::internal::Semaphore* sem_;
|
|
bool invalid_;
|
|
};
|
|
|
|
ThreadBarrier::ThreadBarrier(int num_threads)
|
|
: num_threads_(num_threads), num_blocked_(0) {
|
|
lock_ = OS::CreateMutex();
|
|
sem_ = OS::CreateSemaphore(0);
|
|
invalid_ = false; // A barrier may only be used once. Then it is invalid.
|
|
}
|
|
|
|
// Do not call, due to race condition with Wait().
|
|
// Could be resolved with Pthread condition variables.
|
|
ThreadBarrier::~ThreadBarrier() {
|
|
lock_->Lock();
|
|
delete lock_;
|
|
delete sem_;
|
|
}
|
|
|
|
void ThreadBarrier::Wait() {
|
|
lock_->Lock();
|
|
CHECK(!invalid_);
|
|
if (num_blocked_ == num_threads_ - 1) {
|
|
// Signal and unblock all waiting threads.
|
|
for (int i = 0; i < num_threads_ - 1; ++i) {
|
|
sem_->Signal();
|
|
}
|
|
invalid_ = true;
|
|
printf("BARRIER\n\n");
|
|
fflush(stdout);
|
|
lock_->Unlock();
|
|
} else { // Wait for the semaphore.
|
|
++num_blocked_;
|
|
lock_->Unlock(); // Potential race condition with destructor because
|
|
sem_->Wait(); // these two lines are not atomic.
|
|
}
|
|
}
|
|
|
|
// A set containing enough barriers and semaphores for any of the tests.
|
|
class Barriers {
|
|
public:
|
|
Barriers();
|
|
void Initialize();
|
|
ThreadBarrier barrier_1;
|
|
ThreadBarrier barrier_2;
|
|
ThreadBarrier barrier_3;
|
|
ThreadBarrier barrier_4;
|
|
ThreadBarrier barrier_5;
|
|
v8::internal::Semaphore* semaphore_1;
|
|
v8::internal::Semaphore* semaphore_2;
|
|
};
|
|
|
|
Barriers::Barriers() : barrier_1(2), barrier_2(2),
|
|
barrier_3(2), barrier_4(2), barrier_5(2) {}
|
|
|
|
void Barriers::Initialize() {
|
|
semaphore_1 = OS::CreateSemaphore(0);
|
|
semaphore_2 = OS::CreateSemaphore(0);
|
|
}
|
|
|
|
|
|
// We match parts of the message to decide if it is a break message.
|
|
bool IsBreakEventMessage(char *message) {
|
|
const char* type_event = "\"type\":\"event\"";
|
|
const char* event_break = "\"event\":\"break\"";
|
|
// Does the message contain both type:event and event:break?
|
|
return strstr(message, type_event) != NULL &&
|
|
strstr(message, event_break) != NULL;
|
|
}
|
|
|
|
|
|
// We match parts of the message to decide if it is a exception message.
|
|
bool IsExceptionEventMessage(char *message) {
|
|
const char* type_event = "\"type\":\"event\"";
|
|
const char* event_exception = "\"event\":\"exception\"";
|
|
// Does the message contain both type:event and event:exception?
|
|
return strstr(message, type_event) != NULL &&
|
|
strstr(message, event_exception) != NULL;
|
|
}
|
|
|
|
|
|
// We match the message wether it is an evaluate response message.
|
|
bool IsEvaluateResponseMessage(char* message) {
|
|
const char* type_response = "\"type\":\"response\"";
|
|
const char* command_evaluate = "\"command\":\"evaluate\"";
|
|
// Does the message contain both type:response and command:evaluate?
|
|
return strstr(message, type_response) != NULL &&
|
|
strstr(message, command_evaluate) != NULL;
|
|
}
|
|
|
|
|
|
static int StringToInt(const char* s) {
|
|
return atoi(s); // NOLINT
|
|
}
|
|
|
|
|
|
// We match parts of the message to get evaluate result int value.
|
|
int GetEvaluateIntResult(char *message) {
|
|
const char* value = "\"value\":";
|
|
char* pos = strstr(message, value);
|
|
if (pos == NULL) {
|
|
return -1;
|
|
}
|
|
int res = -1;
|
|
res = StringToInt(pos + strlen(value));
|
|
return res;
|
|
}
|
|
|
|
|
|
// We match parts of the message to get hit breakpoint id.
|
|
int GetBreakpointIdFromBreakEventMessage(char *message) {
|
|
const char* breakpoints = "\"breakpoints\":[";
|
|
char* pos = strstr(message, breakpoints);
|
|
if (pos == NULL) {
|
|
return -1;
|
|
}
|
|
int res = -1;
|
|
res = StringToInt(pos + strlen(breakpoints));
|
|
return res;
|
|
}
|
|
|
|
|
|
// We match parts of the message to get total frames number.
|
|
int GetTotalFramesInt(char *message) {
|
|
const char* prefix = "\"totalFrames\":";
|
|
char* pos = strstr(message, prefix);
|
|
if (pos == NULL) {
|
|
return -1;
|
|
}
|
|
pos += strlen(prefix);
|
|
int res = StringToInt(pos);
|
|
return res;
|
|
}
|
|
|
|
|
|
// We match parts of the message to get source line.
|
|
int GetSourceLineFromBreakEventMessage(char *message) {
|
|
const char* source_line = "\"sourceLine\":";
|
|
char* pos = strstr(message, source_line);
|
|
if (pos == NULL) {
|
|
return -1;
|
|
}
|
|
int res = -1;
|
|
res = StringToInt(pos + strlen(source_line));
|
|
return res;
|
|
}
|
|
|
|
/* Test MessageQueues */
|
|
/* Tests the message queues that hold debugger commands and
|
|
* response messages to the debugger. Fills queues and makes
|
|
* them grow.
|
|
*/
|
|
Barriers message_queue_barriers;
|
|
|
|
// This is the debugger thread, that executes no v8 calls except
|
|
// placing JSON debugger commands in the queue.
|
|
class MessageQueueDebuggerThread : public v8::internal::Thread {
|
|
public:
|
|
MessageQueueDebuggerThread()
|
|
: Thread("MessageQueueDebuggerThread") { }
|
|
void Run();
|
|
};
|
|
|
|
static void MessageHandler(const uint16_t* message, int length,
|
|
v8::Debug::ClientData* client_data) {
|
|
static char print_buffer[1000];
|
|
Utf16ToAscii(message, length, print_buffer);
|
|
if (IsBreakEventMessage(print_buffer)) {
|
|
// Lets test script wait until break occurs to send commands.
|
|
// Signals when a break is reported.
|
|
message_queue_barriers.semaphore_2->Signal();
|
|
}
|
|
|
|
// Allow message handler to block on a semaphore, to test queueing of
|
|
// messages while blocked.
|
|
message_queue_barriers.semaphore_1->Wait();
|
|
}
|
|
|
|
void MessageQueueDebuggerThread::Run() {
|
|
const int kBufferSize = 1000;
|
|
uint16_t buffer_1[kBufferSize];
|
|
uint16_t buffer_2[kBufferSize];
|
|
const char* command_1 =
|
|
"{\"seq\":117,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"evaluate\","
|
|
"\"arguments\":{\"expression\":\"1+2\"}}";
|
|
const char* command_2 =
|
|
"{\"seq\":118,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"evaluate\","
|
|
"\"arguments\":{\"expression\":\"1+a\"}}";
|
|
const char* command_3 =
|
|
"{\"seq\":119,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"evaluate\","
|
|
"\"arguments\":{\"expression\":\"c.d * b\"}}";
|
|
const char* command_continue =
|
|
"{\"seq\":106,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"continue\"}";
|
|
const char* command_single_step =
|
|
"{\"seq\":107,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"continue\","
|
|
"\"arguments\":{\"stepaction\":\"next\"}}";
|
|
|
|
/* Interleaved sequence of actions by the two threads:*/
|
|
// Main thread compiles and runs source_1
|
|
message_queue_barriers.semaphore_1->Signal();
|
|
message_queue_barriers.barrier_1.Wait();
|
|
// Post 6 commands, filling the command queue and making it expand.
|
|
// These calls return immediately, but the commands stay on the queue
|
|
// until the execution of source_2.
|
|
// Note: AsciiToUtf16 executes before SendCommand, so command is copied
|
|
// to buffer before buffer is sent to SendCommand.
|
|
v8::Debug::SendCommand(buffer_1, AsciiToUtf16(command_1, buffer_1));
|
|
v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_2, buffer_2));
|
|
v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_3, buffer_2));
|
|
v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_3, buffer_2));
|
|
v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_3, buffer_2));
|
|
message_queue_barriers.barrier_2.Wait();
|
|
// Main thread compiles and runs source_2.
|
|
// Queued commands are executed at the start of compilation of source_2(
|
|
// beforeCompile event).
|
|
// Free the message handler to process all the messages from the queue. 7
|
|
// messages are expected: 2 afterCompile events and 5 responses.
|
|
// All the commands added so far will fail to execute as long as call stack
|
|
// is empty on beforeCompile event.
|
|
for (int i = 0; i < 6 ; ++i) {
|
|
message_queue_barriers.semaphore_1->Signal();
|
|
}
|
|
message_queue_barriers.barrier_3.Wait();
|
|
// Main thread compiles and runs source_3.
|
|
// Don't stop in the afterCompile handler.
|
|
message_queue_barriers.semaphore_1->Signal();
|
|
// source_3 includes a debugger statement, which causes a break event.
|
|
// Wait on break event from hitting "debugger" statement
|
|
message_queue_barriers.semaphore_2->Wait();
|
|
// These should execute after the "debugger" statement in source_2
|
|
v8::Debug::SendCommand(buffer_1, AsciiToUtf16(command_1, buffer_1));
|
|
v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_2, buffer_2));
|
|
v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_3, buffer_2));
|
|
v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_single_step, buffer_2));
|
|
// Run after 2 break events, 4 responses.
|
|
for (int i = 0; i < 6 ; ++i) {
|
|
message_queue_barriers.semaphore_1->Signal();
|
|
}
|
|
// Wait on break event after a single step executes.
|
|
message_queue_barriers.semaphore_2->Wait();
|
|
v8::Debug::SendCommand(buffer_1, AsciiToUtf16(command_2, buffer_1));
|
|
v8::Debug::SendCommand(buffer_2, AsciiToUtf16(command_continue, buffer_2));
|
|
// Run after 2 responses.
|
|
for (int i = 0; i < 2 ; ++i) {
|
|
message_queue_barriers.semaphore_1->Signal();
|
|
}
|
|
// Main thread continues running source_3 to end, waits for this thread.
|
|
}
|
|
|
|
|
|
// This thread runs the v8 engine.
|
|
TEST(MessageQueues) {
|
|
MessageQueueDebuggerThread message_queue_debugger_thread;
|
|
|
|
// Create a V8 environment
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
message_queue_barriers.Initialize();
|
|
v8::Debug::SetMessageHandler(MessageHandler);
|
|
message_queue_debugger_thread.Start();
|
|
|
|
const char* source_1 = "a = 3; b = 4; c = new Object(); c.d = 5;";
|
|
const char* source_2 = "e = 17;";
|
|
const char* source_3 = "a = 4; debugger; a = 5; a = 6; a = 7;";
|
|
|
|
// See MessageQueueDebuggerThread::Run for interleaved sequence of
|
|
// API calls and events in the two threads.
|
|
CompileRun(source_1);
|
|
message_queue_barriers.barrier_1.Wait();
|
|
message_queue_barriers.barrier_2.Wait();
|
|
CompileRun(source_2);
|
|
message_queue_barriers.barrier_3.Wait();
|
|
CompileRun(source_3);
|
|
message_queue_debugger_thread.Join();
|
|
fflush(stdout);
|
|
}
|
|
|
|
|
|
class TestClientData : public v8::Debug::ClientData {
|
|
public:
|
|
TestClientData() {
|
|
constructor_call_counter++;
|
|
}
|
|
virtual ~TestClientData() {
|
|
destructor_call_counter++;
|
|
}
|
|
|
|
static void ResetCounters() {
|
|
constructor_call_counter = 0;
|
|
destructor_call_counter = 0;
|
|
}
|
|
|
|
static int constructor_call_counter;
|
|
static int destructor_call_counter;
|
|
};
|
|
|
|
int TestClientData::constructor_call_counter = 0;
|
|
int TestClientData::destructor_call_counter = 0;
|
|
|
|
|
|
// Tests that MessageQueue doesn't destroy client data when expands and
|
|
// does destroy when it dies.
|
|
TEST(MessageQueueExpandAndDestroy) {
|
|
TestClientData::ResetCounters();
|
|
{ // Create a scope for the queue.
|
|
CommandMessageQueue queue(1);
|
|
queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
|
|
new TestClientData()));
|
|
queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
|
|
new TestClientData()));
|
|
queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
|
|
new TestClientData()));
|
|
CHECK_EQ(0, TestClientData::destructor_call_counter);
|
|
queue.Get().Dispose();
|
|
CHECK_EQ(1, TestClientData::destructor_call_counter);
|
|
queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
|
|
new TestClientData()));
|
|
queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
|
|
new TestClientData()));
|
|
queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
|
|
new TestClientData()));
|
|
queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
|
|
new TestClientData()));
|
|
queue.Put(CommandMessage::New(Vector<uint16_t>::empty(),
|
|
new TestClientData()));
|
|
CHECK_EQ(1, TestClientData::destructor_call_counter);
|
|
queue.Get().Dispose();
|
|
CHECK_EQ(2, TestClientData::destructor_call_counter);
|
|
}
|
|
// All the client data should be destroyed when the queue is destroyed.
|
|
CHECK_EQ(TestClientData::destructor_call_counter,
|
|
TestClientData::destructor_call_counter);
|
|
}
|
|
|
|
|
|
static int handled_client_data_instances_count = 0;
|
|
static void MessageHandlerCountingClientData(
|
|
const v8::Debug::Message& message) {
|
|
if (message.GetClientData() != NULL) {
|
|
handled_client_data_instances_count++;
|
|
}
|
|
}
|
|
|
|
|
|
// Tests that all client data passed to the debugger are sent to the handler.
|
|
TEST(SendClientDataToHandler) {
|
|
// Create a V8 environment
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
TestClientData::ResetCounters();
|
|
handled_client_data_instances_count = 0;
|
|
v8::Debug::SetMessageHandler2(MessageHandlerCountingClientData);
|
|
const char* source_1 = "a = 3; b = 4; c = new Object(); c.d = 5;";
|
|
const int kBufferSize = 1000;
|
|
uint16_t buffer[kBufferSize];
|
|
const char* command_1 =
|
|
"{\"seq\":117,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"evaluate\","
|
|
"\"arguments\":{\"expression\":\"1+2\"}}";
|
|
const char* command_2 =
|
|
"{\"seq\":118,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"evaluate\","
|
|
"\"arguments\":{\"expression\":\"1+a\"}}";
|
|
const char* command_continue =
|
|
"{\"seq\":106,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"continue\"}";
|
|
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_1, buffer),
|
|
new TestClientData());
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_2, buffer), NULL);
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_2, buffer),
|
|
new TestClientData());
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_2, buffer),
|
|
new TestClientData());
|
|
// All the messages will be processed on beforeCompile event.
|
|
CompileRun(source_1);
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_continue, buffer));
|
|
CHECK_EQ(3, TestClientData::constructor_call_counter);
|
|
CHECK_EQ(TestClientData::constructor_call_counter,
|
|
handled_client_data_instances_count);
|
|
CHECK_EQ(TestClientData::constructor_call_counter,
|
|
TestClientData::destructor_call_counter);
|
|
}
|
|
|
|
|
|
/* Test ThreadedDebugging */
|
|
/* This test interrupts a running infinite loop that is
|
|
* occupying the v8 thread by a break command from the
|
|
* debugger thread. It then changes the value of a
|
|
* global object, to make the loop terminate.
|
|
*/
|
|
|
|
Barriers threaded_debugging_barriers;
|
|
|
|
class V8Thread : public v8::internal::Thread {
|
|
public:
|
|
V8Thread() : Thread("V8Thread") { }
|
|
void Run();
|
|
};
|
|
|
|
class DebuggerThread : public v8::internal::Thread {
|
|
public:
|
|
DebuggerThread() : Thread("DebuggerThread") { }
|
|
void Run();
|
|
};
|
|
|
|
|
|
static v8::Handle<v8::Value> ThreadedAtBarrier1(const v8::Arguments& args) {
|
|
threaded_debugging_barriers.barrier_1.Wait();
|
|
return v8::Undefined();
|
|
}
|
|
|
|
|
|
static void ThreadedMessageHandler(const v8::Debug::Message& message) {
|
|
static char print_buffer[1000];
|
|
v8::String::Value json(message.GetJSON());
|
|
Utf16ToAscii(*json, json.length(), print_buffer);
|
|
if (IsBreakEventMessage(print_buffer)) {
|
|
// Check that we are inside the while loop.
|
|
int source_line = GetSourceLineFromBreakEventMessage(print_buffer);
|
|
// TODO(2047): This should really be 8 <= source_line <= 13; but we
|
|
// currently have an off-by-one error when calculating the source
|
|
// position corresponding to the program counter at the debug break.
|
|
CHECK(7 <= source_line && source_line <= 13);
|
|
threaded_debugging_barriers.barrier_2.Wait();
|
|
}
|
|
}
|
|
|
|
|
|
void V8Thread::Run() {
|
|
const char* source =
|
|
"flag = true;\n"
|
|
"function bar( new_value ) {\n"
|
|
" flag = new_value;\n"
|
|
" return \"Return from bar(\" + new_value + \")\";\n"
|
|
"}\n"
|
|
"\n"
|
|
"function foo() {\n"
|
|
" var x = 1;\n"
|
|
" while ( flag == true ) {\n"
|
|
" if ( x == 1 ) {\n"
|
|
" ThreadedAtBarrier1();\n"
|
|
" }\n"
|
|
" x = x + 1;\n"
|
|
" }\n"
|
|
"}\n"
|
|
"\n"
|
|
"foo();\n";
|
|
|
|
v8::V8::Initialize();
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
v8::Debug::SetMessageHandler2(&ThreadedMessageHandler);
|
|
v8::Handle<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New();
|
|
global_template->Set(v8::String::New("ThreadedAtBarrier1"),
|
|
v8::FunctionTemplate::New(ThreadedAtBarrier1));
|
|
v8::Handle<v8::Context> context = v8::Context::New(NULL, global_template);
|
|
v8::Context::Scope context_scope(context);
|
|
|
|
CompileRun(source);
|
|
}
|
|
|
|
void DebuggerThread::Run() {
|
|
const int kBufSize = 1000;
|
|
uint16_t buffer[kBufSize];
|
|
|
|
const char* command_1 = "{\"seq\":102,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"evaluate\","
|
|
"\"arguments\":{\"expression\":\"bar(false)\"}}";
|
|
const char* command_2 = "{\"seq\":103,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"continue\"}";
|
|
|
|
threaded_debugging_barriers.barrier_1.Wait();
|
|
v8::Debug::DebugBreak();
|
|
threaded_debugging_barriers.barrier_2.Wait();
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_1, buffer));
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_2, buffer));
|
|
}
|
|
|
|
|
|
TEST(ThreadedDebugging) {
|
|
DebuggerThread debugger_thread;
|
|
V8Thread v8_thread;
|
|
|
|
// Create a V8 environment
|
|
threaded_debugging_barriers.Initialize();
|
|
|
|
v8_thread.Start();
|
|
debugger_thread.Start();
|
|
|
|
v8_thread.Join();
|
|
debugger_thread.Join();
|
|
}
|
|
|
|
/* Test RecursiveBreakpoints */
|
|
/* In this test, the debugger evaluates a function with a breakpoint, after
|
|
* hitting a breakpoint in another function. We do this with both values
|
|
* of the flag enabling recursive breakpoints, and verify that the second
|
|
* breakpoint is hit when enabled, and missed when disabled.
|
|
*/
|
|
|
|
class BreakpointsV8Thread : public v8::internal::Thread {
|
|
public:
|
|
BreakpointsV8Thread() : Thread("BreakpointsV8Thread") { }
|
|
void Run();
|
|
};
|
|
|
|
class BreakpointsDebuggerThread : public v8::internal::Thread {
|
|
public:
|
|
explicit BreakpointsDebuggerThread(bool global_evaluate)
|
|
: Thread("BreakpointsDebuggerThread"),
|
|
global_evaluate_(global_evaluate) {}
|
|
void Run();
|
|
|
|
private:
|
|
bool global_evaluate_;
|
|
};
|
|
|
|
|
|
Barriers* breakpoints_barriers;
|
|
int break_event_breakpoint_id;
|
|
int evaluate_int_result;
|
|
|
|
static void BreakpointsMessageHandler(const v8::Debug::Message& message) {
|
|
static char print_buffer[1000];
|
|
v8::String::Value json(message.GetJSON());
|
|
Utf16ToAscii(*json, json.length(), print_buffer);
|
|
|
|
if (IsBreakEventMessage(print_buffer)) {
|
|
break_event_breakpoint_id =
|
|
GetBreakpointIdFromBreakEventMessage(print_buffer);
|
|
breakpoints_barriers->semaphore_1->Signal();
|
|
} else if (IsEvaluateResponseMessage(print_buffer)) {
|
|
evaluate_int_result = GetEvaluateIntResult(print_buffer);
|
|
breakpoints_barriers->semaphore_1->Signal();
|
|
}
|
|
}
|
|
|
|
|
|
void BreakpointsV8Thread::Run() {
|
|
const char* source_1 = "var y_global = 3;\n"
|
|
"function cat( new_value ) {\n"
|
|
" var x = new_value;\n"
|
|
" y_global = y_global + 4;\n"
|
|
" x = 3 * x + 1;\n"
|
|
" y_global = y_global + 5;\n"
|
|
" return x;\n"
|
|
"}\n"
|
|
"\n"
|
|
"function dog() {\n"
|
|
" var x = 1;\n"
|
|
" x = y_global;"
|
|
" var z = 3;"
|
|
" x += 100;\n"
|
|
" return x;\n"
|
|
"}\n"
|
|
"\n";
|
|
const char* source_2 = "cat(17);\n"
|
|
"cat(19);\n";
|
|
|
|
v8::V8::Initialize();
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
v8::Debug::SetMessageHandler2(&BreakpointsMessageHandler);
|
|
|
|
CompileRun(source_1);
|
|
breakpoints_barriers->barrier_1.Wait();
|
|
breakpoints_barriers->barrier_2.Wait();
|
|
CompileRun(source_2);
|
|
}
|
|
|
|
|
|
void BreakpointsDebuggerThread::Run() {
|
|
const int kBufSize = 1000;
|
|
uint16_t buffer[kBufSize];
|
|
|
|
const char* command_1 = "{\"seq\":101,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"setbreakpoint\","
|
|
"\"arguments\":{\"type\":\"function\",\"target\":\"cat\",\"line\":3}}";
|
|
const char* command_2 = "{\"seq\":102,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"setbreakpoint\","
|
|
"\"arguments\":{\"type\":\"function\",\"target\":\"dog\",\"line\":3}}";
|
|
const char* command_3;
|
|
if (this->global_evaluate_) {
|
|
command_3 = "{\"seq\":103,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"evaluate\","
|
|
"\"arguments\":{\"expression\":\"dog()\",\"disable_break\":false,"
|
|
"\"global\":true}}";
|
|
} else {
|
|
command_3 = "{\"seq\":103,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"evaluate\","
|
|
"\"arguments\":{\"expression\":\"dog()\",\"disable_break\":false}}";
|
|
}
|
|
const char* command_4;
|
|
if (this->global_evaluate_) {
|
|
command_4 = "{\"seq\":104,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"evaluate\","
|
|
"\"arguments\":{\"expression\":\"100 + 8\",\"disable_break\":true,"
|
|
"\"global\":true}}";
|
|
} else {
|
|
command_4 = "{\"seq\":104,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"evaluate\","
|
|
"\"arguments\":{\"expression\":\"x + 1\",\"disable_break\":true}}";
|
|
}
|
|
const char* command_5 = "{\"seq\":105,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"continue\"}";
|
|
const char* command_6 = "{\"seq\":106,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"continue\"}";
|
|
const char* command_7;
|
|
if (this->global_evaluate_) {
|
|
command_7 = "{\"seq\":107,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"evaluate\","
|
|
"\"arguments\":{\"expression\":\"dog()\",\"disable_break\":true,"
|
|
"\"global\":true}}";
|
|
} else {
|
|
command_7 = "{\"seq\":107,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"evaluate\","
|
|
"\"arguments\":{\"expression\":\"dog()\",\"disable_break\":true}}";
|
|
}
|
|
const char* command_8 = "{\"seq\":108,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"continue\"}";
|
|
|
|
|
|
// v8 thread initializes, runs source_1
|
|
breakpoints_barriers->barrier_1.Wait();
|
|
// 1:Set breakpoint in cat() (will get id 1).
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_1, buffer));
|
|
// 2:Set breakpoint in dog() (will get id 2).
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_2, buffer));
|
|
breakpoints_barriers->barrier_2.Wait();
|
|
// V8 thread starts compiling source_2.
|
|
// Automatic break happens, to run queued commands
|
|
// breakpoints_barriers->semaphore_1->Wait();
|
|
// Commands 1 through 3 run, thread continues.
|
|
// v8 thread runs source_2 to breakpoint in cat().
|
|
// message callback receives break event.
|
|
breakpoints_barriers->semaphore_1->Wait();
|
|
// Must have hit breakpoint #1.
|
|
CHECK_EQ(1, break_event_breakpoint_id);
|
|
// 4:Evaluate dog() (which has a breakpoint).
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_3, buffer));
|
|
// V8 thread hits breakpoint in dog().
|
|
breakpoints_barriers->semaphore_1->Wait(); // wait for break event
|
|
// Must have hit breakpoint #2.
|
|
CHECK_EQ(2, break_event_breakpoint_id);
|
|
// 5:Evaluate (x + 1).
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_4, buffer));
|
|
// Evaluate (x + 1) finishes.
|
|
breakpoints_barriers->semaphore_1->Wait();
|
|
// Must have result 108.
|
|
CHECK_EQ(108, evaluate_int_result);
|
|
// 6:Continue evaluation of dog().
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_5, buffer));
|
|
// Evaluate dog() finishes.
|
|
breakpoints_barriers->semaphore_1->Wait();
|
|
// Must have result 107.
|
|
CHECK_EQ(107, evaluate_int_result);
|
|
// 7:Continue evaluation of source_2, finish cat(17), hit breakpoint
|
|
// in cat(19).
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_6, buffer));
|
|
// Message callback gets break event.
|
|
breakpoints_barriers->semaphore_1->Wait(); // wait for break event
|
|
// Must have hit breakpoint #1.
|
|
CHECK_EQ(1, break_event_breakpoint_id);
|
|
// 8: Evaluate dog() with breaks disabled.
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_7, buffer));
|
|
// Evaluate dog() finishes.
|
|
breakpoints_barriers->semaphore_1->Wait();
|
|
// Must have result 116.
|
|
CHECK_EQ(116, evaluate_int_result);
|
|
// 9: Continue evaluation of source2, reach end.
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_8, buffer));
|
|
}
|
|
|
|
void TestRecursiveBreakpointsGeneric(bool global_evaluate) {
|
|
i::FLAG_debugger_auto_break = true;
|
|
|
|
BreakpointsDebuggerThread breakpoints_debugger_thread(global_evaluate);
|
|
BreakpointsV8Thread breakpoints_v8_thread;
|
|
|
|
// Create a V8 environment
|
|
Barriers stack_allocated_breakpoints_barriers;
|
|
stack_allocated_breakpoints_barriers.Initialize();
|
|
breakpoints_barriers = &stack_allocated_breakpoints_barriers;
|
|
|
|
breakpoints_v8_thread.Start();
|
|
breakpoints_debugger_thread.Start();
|
|
|
|
breakpoints_v8_thread.Join();
|
|
breakpoints_debugger_thread.Join();
|
|
}
|
|
|
|
TEST(RecursiveBreakpoints) {
|
|
TestRecursiveBreakpointsGeneric(false);
|
|
}
|
|
|
|
TEST(RecursiveBreakpointsGlobal) {
|
|
TestRecursiveBreakpointsGeneric(true);
|
|
}
|
|
|
|
|
|
static void DummyDebugEventListener(v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
}
|
|
|
|
|
|
TEST(SetDebugEventListenerOnUninitializedVM) {
|
|
v8::Debug::SetDebugEventListener(DummyDebugEventListener);
|
|
}
|
|
|
|
|
|
static void DummyMessageHandler(const v8::Debug::Message& message) {
|
|
}
|
|
|
|
|
|
TEST(SetMessageHandlerOnUninitializedVM) {
|
|
v8::Debug::SetMessageHandler2(DummyMessageHandler);
|
|
}
|
|
|
|
|
|
TEST(DebugBreakOnUninitializedVM) {
|
|
v8::Debug::DebugBreak();
|
|
}
|
|
|
|
|
|
TEST(SendCommandToUninitializedVM) {
|
|
const char* dummy_command = "{}";
|
|
uint16_t dummy_buffer[80];
|
|
int dummy_length = AsciiToUtf16(dummy_command, dummy_buffer);
|
|
v8::Debug::SendCommand(dummy_buffer, dummy_length);
|
|
}
|
|
|
|
|
|
// Source for a JavaScript function which returns the data parameter of a
|
|
// function called in the context of the debugger. If no data parameter is
|
|
// passed it throws an exception.
|
|
static const char* debugger_call_with_data_source =
|
|
"function debugger_call_with_data(exec_state, data) {"
|
|
" if (data) return data;"
|
|
" throw 'No data!'"
|
|
"}";
|
|
v8::Handle<v8::Function> debugger_call_with_data;
|
|
|
|
|
|
// Source for a JavaScript function which returns the data parameter of a
|
|
// function called in the context of the debugger. If no data parameter is
|
|
// passed it throws an exception.
|
|
static const char* debugger_call_with_closure_source =
|
|
"var x = 3;"
|
|
"(function (exec_state) {"
|
|
" if (exec_state.y) return x - 1;"
|
|
" exec_state.y = x;"
|
|
" return exec_state.y"
|
|
"})";
|
|
v8::Handle<v8::Function> debugger_call_with_closure;
|
|
|
|
// Function to retrieve the number of JavaScript frames by calling a JavaScript
|
|
// in the debugger.
|
|
static v8::Handle<v8::Value> CheckFrameCount(const v8::Arguments& args) {
|
|
CHECK(v8::Debug::Call(frame_count)->IsNumber());
|
|
CHECK_EQ(args[0]->Int32Value(),
|
|
v8::Debug::Call(frame_count)->Int32Value());
|
|
return v8::Undefined();
|
|
}
|
|
|
|
|
|
// Function to retrieve the source line of the top JavaScript frame by calling a
|
|
// JavaScript function in the debugger.
|
|
static v8::Handle<v8::Value> CheckSourceLine(const v8::Arguments& args) {
|
|
CHECK(v8::Debug::Call(frame_source_line)->IsNumber());
|
|
CHECK_EQ(args[0]->Int32Value(),
|
|
v8::Debug::Call(frame_source_line)->Int32Value());
|
|
return v8::Undefined();
|
|
}
|
|
|
|
|
|
// Function to test passing an additional parameter to a JavaScript function
|
|
// called in the debugger. It also tests that functions called in the debugger
|
|
// can throw exceptions.
|
|
static v8::Handle<v8::Value> CheckDataParameter(const v8::Arguments& args) {
|
|
v8::Handle<v8::String> data = v8::String::New("Test");
|
|
CHECK(v8::Debug::Call(debugger_call_with_data, data)->IsString());
|
|
|
|
CHECK(v8::Debug::Call(debugger_call_with_data).IsEmpty());
|
|
CHECK(v8::Debug::Call(debugger_call_with_data).IsEmpty());
|
|
|
|
v8::TryCatch catcher;
|
|
v8::Debug::Call(debugger_call_with_data);
|
|
CHECK(catcher.HasCaught());
|
|
CHECK(catcher.Exception()->IsString());
|
|
|
|
return v8::Undefined();
|
|
}
|
|
|
|
|
|
// Function to test using a JavaScript with closure in the debugger.
|
|
static v8::Handle<v8::Value> CheckClosure(const v8::Arguments& args) {
|
|
CHECK(v8::Debug::Call(debugger_call_with_closure)->IsNumber());
|
|
CHECK_EQ(3, v8::Debug::Call(debugger_call_with_closure)->Int32Value());
|
|
return v8::Undefined();
|
|
}
|
|
|
|
|
|
// Test functions called through the debugger.
|
|
TEST(CallFunctionInDebugger) {
|
|
// Create and enter a context with the functions CheckFrameCount,
|
|
// CheckSourceLine and CheckDataParameter installed.
|
|
v8::HandleScope scope;
|
|
v8::Handle<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New();
|
|
global_template->Set(v8::String::New("CheckFrameCount"),
|
|
v8::FunctionTemplate::New(CheckFrameCount));
|
|
global_template->Set(v8::String::New("CheckSourceLine"),
|
|
v8::FunctionTemplate::New(CheckSourceLine));
|
|
global_template->Set(v8::String::New("CheckDataParameter"),
|
|
v8::FunctionTemplate::New(CheckDataParameter));
|
|
global_template->Set(v8::String::New("CheckClosure"),
|
|
v8::FunctionTemplate::New(CheckClosure));
|
|
v8::Handle<v8::Context> context = v8::Context::New(NULL, global_template);
|
|
v8::Context::Scope context_scope(context);
|
|
|
|
// Compile a function for checking the number of JavaScript frames.
|
|
v8::Script::Compile(v8::String::New(frame_count_source))->Run();
|
|
frame_count = v8::Local<v8::Function>::Cast(
|
|
context->Global()->Get(v8::String::New("frame_count")));
|
|
|
|
// Compile a function for returning the source line for the top frame.
|
|
v8::Script::Compile(v8::String::New(frame_source_line_source))->Run();
|
|
frame_source_line = v8::Local<v8::Function>::Cast(
|
|
context->Global()->Get(v8::String::New("frame_source_line")));
|
|
|
|
// Compile a function returning the data parameter.
|
|
v8::Script::Compile(v8::String::New(debugger_call_with_data_source))->Run();
|
|
debugger_call_with_data = v8::Local<v8::Function>::Cast(
|
|
context->Global()->Get(v8::String::New("debugger_call_with_data")));
|
|
|
|
// Compile a function capturing closure.
|
|
debugger_call_with_closure = v8::Local<v8::Function>::Cast(
|
|
v8::Script::Compile(
|
|
v8::String::New(debugger_call_with_closure_source))->Run());
|
|
|
|
// Calling a function through the debugger returns 0 frames if there are
|
|
// no JavaScript frames.
|
|
CHECK_EQ(v8::Integer::New(0), v8::Debug::Call(frame_count));
|
|
|
|
// Test that the number of frames can be retrieved.
|
|
v8::Script::Compile(v8::String::New("CheckFrameCount(1)"))->Run();
|
|
v8::Script::Compile(v8::String::New("function f() {"
|
|
" CheckFrameCount(2);"
|
|
"}; f()"))->Run();
|
|
|
|
// Test that the source line can be retrieved.
|
|
v8::Script::Compile(v8::String::New("CheckSourceLine(0)"))->Run();
|
|
v8::Script::Compile(v8::String::New("function f() {\n"
|
|
" CheckSourceLine(1)\n"
|
|
" CheckSourceLine(2)\n"
|
|
" CheckSourceLine(3)\n"
|
|
"}; f()"))->Run();
|
|
|
|
// Test that a parameter can be passed to a function called in the debugger.
|
|
v8::Script::Compile(v8::String::New("CheckDataParameter()"))->Run();
|
|
|
|
// Test that a function with closure can be run in the debugger.
|
|
v8::Script::Compile(v8::String::New("CheckClosure()"))->Run();
|
|
|
|
|
|
// Test that the source line is correct when there is a line offset.
|
|
v8::ScriptOrigin origin(v8::String::New("test"),
|
|
v8::Integer::New(7));
|
|
v8::Script::Compile(v8::String::New("CheckSourceLine(7)"), &origin)->Run();
|
|
v8::Script::Compile(v8::String::New("function f() {\n"
|
|
" CheckSourceLine(8)\n"
|
|
" CheckSourceLine(9)\n"
|
|
" CheckSourceLine(10)\n"
|
|
"}; f()"), &origin)->Run();
|
|
}
|
|
|
|
|
|
// Debugger message handler which counts the number of breaks.
|
|
static void SendContinueCommand();
|
|
static void MessageHandlerBreakPointHitCount(
|
|
const v8::Debug::Message& message) {
|
|
if (message.IsEvent() && message.GetEvent() == v8::Break) {
|
|
// Count the number of breaks.
|
|
break_point_hit_count++;
|
|
|
|
SendContinueCommand();
|
|
}
|
|
}
|
|
|
|
|
|
// Test that clearing the debug event listener actually clears all break points
|
|
// and related information.
|
|
TEST(DebuggerUnload) {
|
|
DebugLocalContext env;
|
|
|
|
// Check debugger is unloaded before it is used.
|
|
CheckDebuggerUnloaded();
|
|
|
|
// Set a debug event listener.
|
|
break_point_hit_count = 0;
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
{
|
|
v8::HandleScope scope;
|
|
// Create a couple of functions for the test.
|
|
v8::Local<v8::Function> foo =
|
|
CompileFunction(&env, "function foo(){x=1}", "foo");
|
|
v8::Local<v8::Function> bar =
|
|
CompileFunction(&env, "function bar(){y=2}", "bar");
|
|
|
|
// Set some break points.
|
|
SetBreakPoint(foo, 0);
|
|
SetBreakPoint(foo, 4);
|
|
SetBreakPoint(bar, 0);
|
|
SetBreakPoint(bar, 4);
|
|
|
|
// Make sure that the break points are there.
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
bar->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(4, break_point_hit_count);
|
|
}
|
|
|
|
// Remove the debug event listener without clearing breakpoints. Do this
|
|
// outside a handle scope.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded(true);
|
|
|
|
// Now set a debug message handler.
|
|
break_point_hit_count = 0;
|
|
v8::Debug::SetMessageHandler2(MessageHandlerBreakPointHitCount);
|
|
{
|
|
v8::HandleScope scope;
|
|
|
|
// Get the test functions again.
|
|
v8::Local<v8::Function> foo(v8::Local<v8::Function>::Cast(
|
|
env->Global()->Get(v8::String::New("foo"))));
|
|
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(0, break_point_hit_count);
|
|
|
|
// Set break points and run again.
|
|
SetBreakPoint(foo, 0);
|
|
SetBreakPoint(foo, 4);
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
}
|
|
|
|
// Remove the debug message handler without clearing breakpoints. Do this
|
|
// outside a handle scope.
|
|
v8::Debug::SetMessageHandler2(NULL);
|
|
CheckDebuggerUnloaded(true);
|
|
}
|
|
|
|
|
|
// Sends continue command to the debugger.
|
|
static void SendContinueCommand() {
|
|
const int kBufferSize = 1000;
|
|
uint16_t buffer[kBufferSize];
|
|
const char* command_continue =
|
|
"{\"seq\":0,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"continue\"}";
|
|
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_continue, buffer));
|
|
}
|
|
|
|
|
|
// Debugger message handler which counts the number of times it is called.
|
|
static int message_handler_hit_count = 0;
|
|
static void MessageHandlerHitCount(const v8::Debug::Message& message) {
|
|
message_handler_hit_count++;
|
|
|
|
static char print_buffer[1000];
|
|
v8::String::Value json(message.GetJSON());
|
|
Utf16ToAscii(*json, json.length(), print_buffer);
|
|
if (IsExceptionEventMessage(print_buffer)) {
|
|
// Send a continue command for exception events.
|
|
SendContinueCommand();
|
|
}
|
|
}
|
|
|
|
|
|
// Test clearing the debug message handler.
|
|
TEST(DebuggerClearMessageHandler) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Check debugger is unloaded before it is used.
|
|
CheckDebuggerUnloaded();
|
|
|
|
// Set a debug message handler.
|
|
v8::Debug::SetMessageHandler2(MessageHandlerHitCount);
|
|
|
|
// Run code to throw a unhandled exception. This should end up in the message
|
|
// handler.
|
|
CompileRun("throw 1");
|
|
|
|
// The message handler should be called.
|
|
CHECK_GT(message_handler_hit_count, 0);
|
|
|
|
// Clear debug message handler.
|
|
message_handler_hit_count = 0;
|
|
v8::Debug::SetMessageHandler(NULL);
|
|
|
|
// Run code to throw a unhandled exception. This should end up in the message
|
|
// handler.
|
|
CompileRun("throw 1");
|
|
|
|
// The message handler should not be called more.
|
|
CHECK_EQ(0, message_handler_hit_count);
|
|
|
|
CheckDebuggerUnloaded(true);
|
|
}
|
|
|
|
|
|
// Debugger message handler which clears the message handler while active.
|
|
static void MessageHandlerClearingMessageHandler(
|
|
const v8::Debug::Message& message) {
|
|
message_handler_hit_count++;
|
|
|
|
// Clear debug message handler.
|
|
v8::Debug::SetMessageHandler(NULL);
|
|
}
|
|
|
|
|
|
// Test clearing the debug message handler while processing a debug event.
|
|
TEST(DebuggerClearMessageHandlerWhileActive) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Check debugger is unloaded before it is used.
|
|
CheckDebuggerUnloaded();
|
|
|
|
// Set a debug message handler.
|
|
v8::Debug::SetMessageHandler2(MessageHandlerClearingMessageHandler);
|
|
|
|
// Run code to throw a unhandled exception. This should end up in the message
|
|
// handler.
|
|
CompileRun("throw 1");
|
|
|
|
// The message handler should be called.
|
|
CHECK_EQ(1, message_handler_hit_count);
|
|
|
|
CheckDebuggerUnloaded(true);
|
|
}
|
|
|
|
|
|
/* Test DebuggerHostDispatch */
|
|
/* In this test, the debugger waits for a command on a breakpoint
|
|
* and is dispatching host commands while in the infinite loop.
|
|
*/
|
|
|
|
class HostDispatchV8Thread : public v8::internal::Thread {
|
|
public:
|
|
HostDispatchV8Thread() : Thread("HostDispatchV8Thread") { }
|
|
void Run();
|
|
};
|
|
|
|
class HostDispatchDebuggerThread : public v8::internal::Thread {
|
|
public:
|
|
HostDispatchDebuggerThread() : Thread("HostDispatchDebuggerThread") { }
|
|
void Run();
|
|
};
|
|
|
|
Barriers* host_dispatch_barriers;
|
|
|
|
static void HostDispatchMessageHandler(const v8::Debug::Message& message) {
|
|
static char print_buffer[1000];
|
|
v8::String::Value json(message.GetJSON());
|
|
Utf16ToAscii(*json, json.length(), print_buffer);
|
|
}
|
|
|
|
|
|
static void HostDispatchDispatchHandler() {
|
|
host_dispatch_barriers->semaphore_1->Signal();
|
|
}
|
|
|
|
|
|
void HostDispatchV8Thread::Run() {
|
|
const char* source_1 = "var y_global = 3;\n"
|
|
"function cat( new_value ) {\n"
|
|
" var x = new_value;\n"
|
|
" y_global = 4;\n"
|
|
" x = 3 * x + 1;\n"
|
|
" y_global = 5;\n"
|
|
" return x;\n"
|
|
"}\n"
|
|
"\n";
|
|
const char* source_2 = "cat(17);\n";
|
|
|
|
v8::V8::Initialize();
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Set up message and host dispatch handlers.
|
|
v8::Debug::SetMessageHandler2(HostDispatchMessageHandler);
|
|
v8::Debug::SetHostDispatchHandler(HostDispatchDispatchHandler, 10 /* ms */);
|
|
|
|
CompileRun(source_1);
|
|
host_dispatch_barriers->barrier_1.Wait();
|
|
host_dispatch_barriers->barrier_2.Wait();
|
|
CompileRun(source_2);
|
|
}
|
|
|
|
|
|
void HostDispatchDebuggerThread::Run() {
|
|
const int kBufSize = 1000;
|
|
uint16_t buffer[kBufSize];
|
|
|
|
const char* command_1 = "{\"seq\":101,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"setbreakpoint\","
|
|
"\"arguments\":{\"type\":\"function\",\"target\":\"cat\",\"line\":3}}";
|
|
const char* command_2 = "{\"seq\":102,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"continue\"}";
|
|
|
|
// v8 thread initializes, runs source_1
|
|
host_dispatch_barriers->barrier_1.Wait();
|
|
// 1: Set breakpoint in cat().
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_1, buffer));
|
|
|
|
host_dispatch_barriers->barrier_2.Wait();
|
|
// v8 thread starts compiling source_2.
|
|
// Break happens, to run queued commands and host dispatches.
|
|
// Wait for host dispatch to be processed.
|
|
host_dispatch_barriers->semaphore_1->Wait();
|
|
// 2: Continue evaluation
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(command_2, buffer));
|
|
}
|
|
|
|
|
|
TEST(DebuggerHostDispatch) {
|
|
HostDispatchDebuggerThread host_dispatch_debugger_thread;
|
|
HostDispatchV8Thread host_dispatch_v8_thread;
|
|
i::FLAG_debugger_auto_break = true;
|
|
|
|
// Create a V8 environment
|
|
Barriers stack_allocated_host_dispatch_barriers;
|
|
stack_allocated_host_dispatch_barriers.Initialize();
|
|
host_dispatch_barriers = &stack_allocated_host_dispatch_barriers;
|
|
|
|
host_dispatch_v8_thread.Start();
|
|
host_dispatch_debugger_thread.Start();
|
|
|
|
host_dispatch_v8_thread.Join();
|
|
host_dispatch_debugger_thread.Join();
|
|
}
|
|
|
|
|
|
/* Test DebugMessageDispatch */
|
|
/* In this test, the V8 thread waits for a message from the debug thread.
|
|
* The DebugMessageDispatchHandler is executed from the debugger thread
|
|
* which signals the V8 thread to wake up.
|
|
*/
|
|
|
|
class DebugMessageDispatchV8Thread : public v8::internal::Thread {
|
|
public:
|
|
DebugMessageDispatchV8Thread() : Thread("DebugMessageDispatchV8Thread") { }
|
|
void Run();
|
|
};
|
|
|
|
class DebugMessageDispatchDebuggerThread : public v8::internal::Thread {
|
|
public:
|
|
DebugMessageDispatchDebuggerThread()
|
|
: Thread("DebugMessageDispatchDebuggerThread") { }
|
|
void Run();
|
|
};
|
|
|
|
Barriers* debug_message_dispatch_barriers;
|
|
|
|
|
|
static void DebugMessageHandler() {
|
|
debug_message_dispatch_barriers->semaphore_1->Signal();
|
|
}
|
|
|
|
|
|
void DebugMessageDispatchV8Thread::Run() {
|
|
v8::V8::Initialize();
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Set up debug message dispatch handler.
|
|
v8::Debug::SetDebugMessageDispatchHandler(DebugMessageHandler);
|
|
|
|
CompileRun("var y = 1 + 2;\n");
|
|
debug_message_dispatch_barriers->barrier_1.Wait();
|
|
debug_message_dispatch_barriers->semaphore_1->Wait();
|
|
debug_message_dispatch_barriers->barrier_2.Wait();
|
|
}
|
|
|
|
|
|
void DebugMessageDispatchDebuggerThread::Run() {
|
|
debug_message_dispatch_barriers->barrier_1.Wait();
|
|
SendContinueCommand();
|
|
debug_message_dispatch_barriers->barrier_2.Wait();
|
|
}
|
|
|
|
|
|
TEST(DebuggerDebugMessageDispatch) {
|
|
DebugMessageDispatchDebuggerThread debug_message_dispatch_debugger_thread;
|
|
DebugMessageDispatchV8Thread debug_message_dispatch_v8_thread;
|
|
|
|
i::FLAG_debugger_auto_break = true;
|
|
|
|
// Create a V8 environment
|
|
Barriers stack_allocated_debug_message_dispatch_barriers;
|
|
stack_allocated_debug_message_dispatch_barriers.Initialize();
|
|
debug_message_dispatch_barriers =
|
|
&stack_allocated_debug_message_dispatch_barriers;
|
|
|
|
debug_message_dispatch_v8_thread.Start();
|
|
debug_message_dispatch_debugger_thread.Start();
|
|
|
|
debug_message_dispatch_v8_thread.Join();
|
|
debug_message_dispatch_debugger_thread.Join();
|
|
}
|
|
|
|
|
|
TEST(DebuggerAgent) {
|
|
v8::V8::Initialize();
|
|
i::Debugger* debugger = i::Isolate::Current()->debugger();
|
|
// Make sure these ports is not used by other tests to allow tests to run in
|
|
// parallel.
|
|
const int kPort1 = 5858 + FlagDependentPortOffset();
|
|
const int kPort2 = 5857 + FlagDependentPortOffset();
|
|
const int kPort3 = 5856 + FlagDependentPortOffset();
|
|
|
|
// Make a string with the port2 number.
|
|
const int kPortBufferLen = 6;
|
|
char port2_str[kPortBufferLen];
|
|
OS::SNPrintF(i::Vector<char>(port2_str, kPortBufferLen), "%d", kPort2);
|
|
|
|
bool ok;
|
|
|
|
// Initialize the socket library.
|
|
i::Socket::SetUp();
|
|
|
|
// Test starting and stopping the agent without any client connection.
|
|
debugger->StartAgent("test", kPort1);
|
|
debugger->StopAgent();
|
|
// Test starting the agent, connecting a client and shutting down the agent
|
|
// with the client connected.
|
|
ok = debugger->StartAgent("test", kPort2);
|
|
CHECK(ok);
|
|
debugger->WaitForAgent();
|
|
i::Socket* client = i::OS::CreateSocket();
|
|
ok = client->Connect("localhost", port2_str);
|
|
CHECK(ok);
|
|
// It is important to wait for a message from the agent. Otherwise,
|
|
// we can close the server socket during "accept" syscall, making it failing
|
|
// (at least on Linux), and the test will work incorrectly.
|
|
char buf;
|
|
ok = client->Receive(&buf, 1) == 1;
|
|
CHECK(ok);
|
|
debugger->StopAgent();
|
|
delete client;
|
|
|
|
// Test starting and stopping the agent with the required port already
|
|
// occoupied.
|
|
i::Socket* server = i::OS::CreateSocket();
|
|
server->Bind(kPort3);
|
|
|
|
debugger->StartAgent("test", kPort3);
|
|
debugger->StopAgent();
|
|
|
|
delete server;
|
|
}
|
|
|
|
|
|
class DebuggerAgentProtocolServerThread : public i::Thread {
|
|
public:
|
|
explicit DebuggerAgentProtocolServerThread(int port)
|
|
: Thread("DebuggerAgentProtocolServerThread"),
|
|
port_(port),
|
|
server_(NULL),
|
|
client_(NULL),
|
|
listening_(OS::CreateSemaphore(0)) {
|
|
}
|
|
~DebuggerAgentProtocolServerThread() {
|
|
// Close both sockets.
|
|
delete client_;
|
|
delete server_;
|
|
delete listening_;
|
|
}
|
|
|
|
void Run();
|
|
void WaitForListening() { listening_->Wait(); }
|
|
char* body() { return *body_; }
|
|
|
|
private:
|
|
int port_;
|
|
i::SmartArrayPointer<char> body_;
|
|
i::Socket* server_; // Server socket used for bind/accept.
|
|
i::Socket* client_; // Single client connection used by the test.
|
|
i::Semaphore* listening_; // Signalled when the server is in listen mode.
|
|
};
|
|
|
|
|
|
void DebuggerAgentProtocolServerThread::Run() {
|
|
bool ok;
|
|
|
|
// Create the server socket and bind it to the requested port.
|
|
server_ = i::OS::CreateSocket();
|
|
CHECK(server_ != NULL);
|
|
ok = server_->Bind(port_);
|
|
CHECK(ok);
|
|
|
|
// Listen for new connections.
|
|
ok = server_->Listen(1);
|
|
CHECK(ok);
|
|
listening_->Signal();
|
|
|
|
// Accept a connection.
|
|
client_ = server_->Accept();
|
|
CHECK(client_ != NULL);
|
|
|
|
// Receive a debugger agent protocol message.
|
|
i::DebuggerAgentUtil::ReceiveMessage(client_);
|
|
}
|
|
|
|
|
|
TEST(DebuggerAgentProtocolOverflowHeader) {
|
|
// Make sure this port is not used by other tests to allow tests to run in
|
|
// parallel.
|
|
const int kPort = 5860 + FlagDependentPortOffset();
|
|
static const char* kLocalhost = "localhost";
|
|
|
|
// Make a string with the port number.
|
|
const int kPortBufferLen = 6;
|
|
char port_str[kPortBufferLen];
|
|
OS::SNPrintF(i::Vector<char>(port_str, kPortBufferLen), "%d", kPort);
|
|
|
|
// Initialize the socket library.
|
|
i::Socket::SetUp();
|
|
|
|
// Create a socket server to receive a debugger agent message.
|
|
DebuggerAgentProtocolServerThread* server =
|
|
new DebuggerAgentProtocolServerThread(kPort);
|
|
server->Start();
|
|
server->WaitForListening();
|
|
|
|
// Connect.
|
|
i::Socket* client = i::OS::CreateSocket();
|
|
CHECK(client != NULL);
|
|
bool ok = client->Connect(kLocalhost, port_str);
|
|
CHECK(ok);
|
|
|
|
// Send headers which overflow the receive buffer.
|
|
static const int kBufferSize = 1000;
|
|
char buffer[kBufferSize];
|
|
|
|
// Long key and short value: XXXX....XXXX:0\r\n.
|
|
for (int i = 0; i < kBufferSize - 4; i++) {
|
|
buffer[i] = 'X';
|
|
}
|
|
buffer[kBufferSize - 4] = ':';
|
|
buffer[kBufferSize - 3] = '0';
|
|
buffer[kBufferSize - 2] = '\r';
|
|
buffer[kBufferSize - 1] = '\n';
|
|
client->Send(buffer, kBufferSize);
|
|
|
|
// Short key and long value: X:XXXX....XXXX\r\n.
|
|
buffer[0] = 'X';
|
|
buffer[1] = ':';
|
|
for (int i = 2; i < kBufferSize - 2; i++) {
|
|
buffer[i] = 'X';
|
|
}
|
|
buffer[kBufferSize - 2] = '\r';
|
|
buffer[kBufferSize - 1] = '\n';
|
|
client->Send(buffer, kBufferSize);
|
|
|
|
// Add empty body to request.
|
|
const char* content_length_zero_header = "Content-Length:0\r\n";
|
|
client->Send(content_length_zero_header,
|
|
StrLength(content_length_zero_header));
|
|
client->Send("\r\n", 2);
|
|
|
|
// Wait until data is received.
|
|
server->Join();
|
|
|
|
// Check for empty body.
|
|
CHECK(server->body() == NULL);
|
|
|
|
// Close the client before the server to avoid TIME_WAIT issues.
|
|
client->Shutdown();
|
|
delete client;
|
|
delete server;
|
|
}
|
|
|
|
|
|
// Test for issue http://code.google.com/p/v8/issues/detail?id=289.
|
|
// Make sure that DebugGetLoadedScripts doesn't return scripts
|
|
// with disposed external source.
|
|
class EmptyExternalStringResource : public v8::String::ExternalStringResource {
|
|
public:
|
|
EmptyExternalStringResource() { empty_[0] = 0; }
|
|
virtual ~EmptyExternalStringResource() {}
|
|
virtual size_t length() const { return empty_.length(); }
|
|
virtual const uint16_t* data() const { return empty_.start(); }
|
|
private:
|
|
::v8::internal::EmbeddedVector<uint16_t, 1> empty_;
|
|
};
|
|
|
|
|
|
TEST(DebugGetLoadedScripts) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
EmptyExternalStringResource source_ext_str;
|
|
v8::Local<v8::String> source = v8::String::NewExternal(&source_ext_str);
|
|
v8::Handle<v8::Script> evil_script(v8::Script::Compile(source));
|
|
// "use" evil_script to make the compiler happy.
|
|
(void) evil_script;
|
|
Handle<i::ExternalTwoByteString> i_source(
|
|
i::ExternalTwoByteString::cast(*v8::Utils::OpenHandle(*source)));
|
|
// This situation can happen if source was an external string disposed
|
|
// by its owner.
|
|
i_source->set_resource(0);
|
|
|
|
bool allow_natives_syntax = i::FLAG_allow_natives_syntax;
|
|
i::FLAG_allow_natives_syntax = true;
|
|
CompileRun(
|
|
"var scripts = %DebugGetLoadedScripts();"
|
|
"var count = scripts.length;"
|
|
"for (var i = 0; i < count; ++i) {"
|
|
" scripts[i].line_ends;"
|
|
"}");
|
|
// Must not crash while accessing line_ends.
|
|
i::FLAG_allow_natives_syntax = allow_natives_syntax;
|
|
|
|
// Some scripts are retrieved - at least the number of native scripts.
|
|
CHECK_GT((*env)->Global()->Get(v8::String::New("count"))->Int32Value(), 8);
|
|
}
|
|
|
|
|
|
// Test script break points set on lines.
|
|
TEST(ScriptNameAndData) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
// Create functions for retrieving script name and data for the function on
|
|
// the top frame when hitting a break point.
|
|
frame_script_name = CompileFunction(&env,
|
|
frame_script_name_source,
|
|
"frame_script_name");
|
|
frame_script_data = CompileFunction(&env,
|
|
frame_script_data_source,
|
|
"frame_script_data");
|
|
compiled_script_data = CompileFunction(&env,
|
|
compiled_script_data_source,
|
|
"compiled_script_data");
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakPointHitCount,
|
|
v8::Undefined());
|
|
|
|
// Test function source.
|
|
v8::Local<v8::String> script = v8::String::New(
|
|
"function f() {\n"
|
|
" debugger;\n"
|
|
"}\n");
|
|
|
|
v8::ScriptOrigin origin1 = v8::ScriptOrigin(v8::String::New("name"));
|
|
v8::Handle<v8::Script> script1 = v8::Script::Compile(script, &origin1);
|
|
script1->SetData(v8::String::New("data"));
|
|
script1->Run();
|
|
v8::Local<v8::Function> f;
|
|
f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
CHECK_EQ("name", last_script_name_hit);
|
|
CHECK_EQ("data", last_script_data_hit);
|
|
|
|
// Compile the same script again without setting data. As the compilation
|
|
// cache is disabled when debugging expect the data to be missing.
|
|
v8::Script::Compile(script, &origin1)->Run();
|
|
f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
CHECK_EQ("name", last_script_name_hit);
|
|
CHECK_EQ("", last_script_data_hit); // Undefined results in empty string.
|
|
|
|
v8::Local<v8::String> data_obj_source = v8::String::New(
|
|
"({ a: 'abc',\n"
|
|
" b: 123,\n"
|
|
" toString: function() { return this.a + ' ' + this.b; }\n"
|
|
"})\n");
|
|
v8::Local<v8::Value> data_obj = v8::Script::Compile(data_obj_source)->Run();
|
|
v8::ScriptOrigin origin2 = v8::ScriptOrigin(v8::String::New("new name"));
|
|
v8::Handle<v8::Script> script2 = v8::Script::Compile(script, &origin2);
|
|
script2->Run();
|
|
script2->SetData(data_obj->ToString());
|
|
f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(3, break_point_hit_count);
|
|
CHECK_EQ("new name", last_script_name_hit);
|
|
CHECK_EQ("abc 123", last_script_data_hit);
|
|
|
|
v8::Handle<v8::Script> script3 =
|
|
v8::Script::Compile(script, &origin2, NULL,
|
|
v8::String::New("in compile"));
|
|
CHECK_EQ("in compile", last_script_data_hit);
|
|
script3->Run();
|
|
f = v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(4, break_point_hit_count);
|
|
CHECK_EQ("in compile", last_script_data_hit);
|
|
}
|
|
|
|
|
|
static v8::Persistent<v8::Context> expected_context;
|
|
static v8::Handle<v8::Value> expected_context_data;
|
|
|
|
|
|
// Check that the expected context is the one generating the debug event.
|
|
static void ContextCheckMessageHandler(const v8::Debug::Message& message) {
|
|
CHECK(message.GetEventContext() == expected_context);
|
|
CHECK(message.GetEventContext()->GetEmbedderData(0)->StrictEquals(
|
|
expected_context_data));
|
|
message_handler_hit_count++;
|
|
|
|
static char print_buffer[1000];
|
|
v8::String::Value json(message.GetJSON());
|
|
Utf16ToAscii(*json, json.length(), print_buffer);
|
|
|
|
// Send a continue command for break events.
|
|
if (IsBreakEventMessage(print_buffer)) {
|
|
SendContinueCommand();
|
|
}
|
|
}
|
|
|
|
|
|
// Test which creates two contexts and sets different embedder data on each.
|
|
// Checks that this data is set correctly and that when the debug message
|
|
// handler is called the expected context is the one active.
|
|
TEST(ContextData) {
|
|
v8::HandleScope scope;
|
|
|
|
v8::Debug::SetMessageHandler2(ContextCheckMessageHandler);
|
|
|
|
// Create two contexts.
|
|
v8::Persistent<v8::Context> context_1;
|
|
v8::Persistent<v8::Context> context_2;
|
|
v8::Handle<v8::ObjectTemplate> global_template =
|
|
v8::Handle<v8::ObjectTemplate>();
|
|
v8::Handle<v8::Value> global_object = v8::Handle<v8::Value>();
|
|
context_1 = v8::Context::New(NULL, global_template, global_object);
|
|
context_2 = v8::Context::New(NULL, global_template, global_object);
|
|
|
|
// Default data value is undefined.
|
|
CHECK(context_1->GetEmbedderData(0)->IsUndefined());
|
|
CHECK(context_2->GetEmbedderData(0)->IsUndefined());
|
|
|
|
// Set and check different data values.
|
|
v8::Handle<v8::String> data_1 = v8::String::New("1");
|
|
v8::Handle<v8::String> data_2 = v8::String::New("2");
|
|
context_1->SetEmbedderData(0, data_1);
|
|
context_2->SetEmbedderData(0, data_2);
|
|
CHECK(context_1->GetEmbedderData(0)->StrictEquals(data_1));
|
|
CHECK(context_2->GetEmbedderData(0)->StrictEquals(data_2));
|
|
|
|
// Simple test function which causes a break.
|
|
const char* source = "function f() { debugger; }";
|
|
|
|
// Enter and run function in the first context.
|
|
{
|
|
v8::Context::Scope context_scope(context_1);
|
|
expected_context = context_1;
|
|
expected_context_data = data_1;
|
|
v8::Local<v8::Function> f = CompileFunction(source, "f");
|
|
f->Call(context_1->Global(), 0, NULL);
|
|
}
|
|
|
|
|
|
// Enter and run function in the second context.
|
|
{
|
|
v8::Context::Scope context_scope(context_2);
|
|
expected_context = context_2;
|
|
expected_context_data = data_2;
|
|
v8::Local<v8::Function> f = CompileFunction(source, "f");
|
|
f->Call(context_2->Global(), 0, NULL);
|
|
}
|
|
|
|
// Two times compile event and two times break event.
|
|
CHECK_GT(message_handler_hit_count, 4);
|
|
|
|
v8::Debug::SetMessageHandler2(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Debug message handler which issues a debug break when it hits a break event.
|
|
static int message_handler_break_hit_count = 0;
|
|
static void DebugBreakMessageHandler(const v8::Debug::Message& message) {
|
|
// Schedule a debug break for break events.
|
|
if (message.IsEvent() && message.GetEvent() == v8::Break) {
|
|
message_handler_break_hit_count++;
|
|
if (message_handler_break_hit_count == 1) {
|
|
v8::Debug::DebugBreak();
|
|
}
|
|
}
|
|
|
|
// Issue a continue command if this event will not cause the VM to start
|
|
// running.
|
|
if (!message.WillStartRunning()) {
|
|
SendContinueCommand();
|
|
}
|
|
}
|
|
|
|
|
|
// Test that a debug break can be scheduled while in a message handler.
|
|
TEST(DebugBreakInMessageHandler) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
v8::Debug::SetMessageHandler2(DebugBreakMessageHandler);
|
|
|
|
// Test functions.
|
|
const char* script = "function f() { debugger; g(); } function g() { }";
|
|
CompileRun(script);
|
|
v8::Local<v8::Function> f =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
v8::Local<v8::Function> g =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("g")));
|
|
|
|
// Call f then g. The debugger statement in f will casue a break which will
|
|
// cause another break.
|
|
f->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, message_handler_break_hit_count);
|
|
// Calling g will not cause any additional breaks.
|
|
g->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(2, message_handler_break_hit_count);
|
|
}
|
|
|
|
|
|
#ifndef V8_INTERPRETED_REGEXP
|
|
// Debug event handler which gets the function on the top frame and schedules a
|
|
// break a number of times.
|
|
static void DebugEventDebugBreak(
|
|
v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
|
|
if (event == v8::Break) {
|
|
break_point_hit_count++;
|
|
|
|
// Get the name of the top frame function.
|
|
if (!frame_function_name.IsEmpty()) {
|
|
// Get the name of the function.
|
|
const int argc = 2;
|
|
v8::Handle<v8::Value> argv[argc] = { exec_state, v8::Integer::New(0) };
|
|
v8::Handle<v8::Value> result = frame_function_name->Call(exec_state,
|
|
argc, argv);
|
|
if (result->IsUndefined()) {
|
|
last_function_hit[0] = '\0';
|
|
} else {
|
|
CHECK(result->IsString());
|
|
v8::Handle<v8::String> function_name(result->ToString());
|
|
function_name->WriteAscii(last_function_hit);
|
|
}
|
|
}
|
|
|
|
// Keep forcing breaks.
|
|
if (break_point_hit_count < 20) {
|
|
v8::Debug::DebugBreak();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
TEST(RegExpDebugBreak) {
|
|
// This test only applies to native regexps.
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Create a function for checking the function when hitting a break point.
|
|
frame_function_name = CompileFunction(&env,
|
|
frame_function_name_source,
|
|
"frame_function_name");
|
|
|
|
// Test RegExp which matches white spaces and comments at the begining of a
|
|
// source line.
|
|
const char* script =
|
|
"var sourceLineBeginningSkip = /^(?:[ \\v\\h]*(?:\\/\\*.*?\\*\\/)*)*/;\n"
|
|
"function f(s) { return s.match(sourceLineBeginningSkip)[0].length; }";
|
|
|
|
v8::Local<v8::Function> f = CompileFunction(script, "f");
|
|
const int argc = 1;
|
|
v8::Handle<v8::Value> argv[argc] = { v8::String::New(" /* xxx */ a=0;") };
|
|
v8::Local<v8::Value> result = f->Call(env->Global(), argc, argv);
|
|
CHECK_EQ(12, result->Int32Value());
|
|
|
|
v8::Debug::SetDebugEventListener(DebugEventDebugBreak);
|
|
v8::Debug::DebugBreak();
|
|
result = f->Call(env->Global(), argc, argv);
|
|
|
|
// Check that there was only one break event. Matching RegExp should not
|
|
// cause Break events.
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
CHECK_EQ("f", last_function_hit);
|
|
}
|
|
#endif // V8_INTERPRETED_REGEXP
|
|
|
|
|
|
// Common part of EvalContextData and NestedBreakEventContextData tests.
|
|
static void ExecuteScriptForContextCheck() {
|
|
// Create a context.
|
|
v8::Persistent<v8::Context> context_1;
|
|
v8::Handle<v8::ObjectTemplate> global_template =
|
|
v8::Handle<v8::ObjectTemplate>();
|
|
context_1 = v8::Context::New(NULL, global_template);
|
|
|
|
// Default data value is undefined.
|
|
CHECK(context_1->GetEmbedderData(0)->IsUndefined());
|
|
|
|
// Set and check a data value.
|
|
v8::Handle<v8::String> data_1 = v8::String::New("1");
|
|
context_1->SetEmbedderData(0, data_1);
|
|
CHECK(context_1->GetEmbedderData(0)->StrictEquals(data_1));
|
|
|
|
// Simple test function with eval that causes a break.
|
|
const char* source = "function f() { eval('debugger;'); }";
|
|
|
|
// Enter and run function in the context.
|
|
{
|
|
v8::Context::Scope context_scope(context_1);
|
|
expected_context = context_1;
|
|
expected_context_data = data_1;
|
|
v8::Local<v8::Function> f = CompileFunction(source, "f");
|
|
f->Call(context_1->Global(), 0, NULL);
|
|
}
|
|
}
|
|
|
|
|
|
// Test which creates a context and sets embedder data on it. Checks that this
|
|
// data is set correctly and that when the debug message handler is called for
|
|
// break event in an eval statement the expected context is the one returned by
|
|
// Message.GetEventContext.
|
|
TEST(EvalContextData) {
|
|
v8::HandleScope scope;
|
|
v8::Debug::SetMessageHandler2(ContextCheckMessageHandler);
|
|
|
|
ExecuteScriptForContextCheck();
|
|
|
|
// One time compile event and one time break event.
|
|
CHECK_GT(message_handler_hit_count, 2);
|
|
v8::Debug::SetMessageHandler2(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
static bool sent_eval = false;
|
|
static int break_count = 0;
|
|
static int continue_command_send_count = 0;
|
|
// Check that the expected context is the one generating the debug event
|
|
// including the case of nested break event.
|
|
static void DebugEvalContextCheckMessageHandler(
|
|
const v8::Debug::Message& message) {
|
|
CHECK(message.GetEventContext() == expected_context);
|
|
CHECK(message.GetEventContext()->GetEmbedderData(0)->StrictEquals(
|
|
expected_context_data));
|
|
message_handler_hit_count++;
|
|
|
|
static char print_buffer[1000];
|
|
v8::String::Value json(message.GetJSON());
|
|
Utf16ToAscii(*json, json.length(), print_buffer);
|
|
|
|
if (IsBreakEventMessage(print_buffer)) {
|
|
break_count++;
|
|
if (!sent_eval) {
|
|
sent_eval = true;
|
|
|
|
const int kBufferSize = 1000;
|
|
uint16_t buffer[kBufferSize];
|
|
const char* eval_command =
|
|
"{\"seq\":0,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"evaluate\","
|
|
"\"arguments\":{\"expression\":\"debugger;\","
|
|
"\"global\":true,\"disable_break\":false}}";
|
|
|
|
// Send evaluate command.
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(eval_command, buffer));
|
|
return;
|
|
} else {
|
|
// It's a break event caused by the evaluation request above.
|
|
SendContinueCommand();
|
|
continue_command_send_count++;
|
|
}
|
|
} else if (IsEvaluateResponseMessage(print_buffer) &&
|
|
continue_command_send_count < 2) {
|
|
// Response to the evaluation request. We're still on the breakpoint so
|
|
// send continue.
|
|
SendContinueCommand();
|
|
continue_command_send_count++;
|
|
}
|
|
}
|
|
|
|
|
|
// Tests that context returned for break event is correct when the event occurs
|
|
// in 'evaluate' debugger request.
|
|
TEST(NestedBreakEventContextData) {
|
|
v8::HandleScope scope;
|
|
break_count = 0;
|
|
message_handler_hit_count = 0;
|
|
v8::Debug::SetMessageHandler2(DebugEvalContextCheckMessageHandler);
|
|
|
|
ExecuteScriptForContextCheck();
|
|
|
|
// One time compile event and two times break event.
|
|
CHECK_GT(message_handler_hit_count, 3);
|
|
|
|
// One break from the source and another from the evaluate request.
|
|
CHECK_EQ(break_count, 2);
|
|
v8::Debug::SetMessageHandler2(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Debug event listener which counts the script collected events.
|
|
int script_collected_count = 0;
|
|
static void DebugEventScriptCollectedEvent(v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
// Count the number of breaks.
|
|
if (event == v8::ScriptCollected) {
|
|
script_collected_count++;
|
|
}
|
|
}
|
|
|
|
|
|
// Test that scripts collected are reported through the debug event listener.
|
|
TEST(ScriptCollectedEvent) {
|
|
v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug();
|
|
break_point_hit_count = 0;
|
|
script_collected_count = 0;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Request the loaded scripts to initialize the debugger script cache.
|
|
debug->GetLoadedScripts();
|
|
|
|
// Do garbage collection to ensure that only the script in this test will be
|
|
// collected afterwards.
|
|
HEAP->CollectAllGarbage(Heap::kNoGCFlags);
|
|
|
|
script_collected_count = 0;
|
|
v8::Debug::SetDebugEventListener(DebugEventScriptCollectedEvent,
|
|
v8::Undefined());
|
|
{
|
|
v8::Script::Compile(v8::String::New("eval('a=1')"))->Run();
|
|
v8::Script::Compile(v8::String::New("eval('a=2')"))->Run();
|
|
}
|
|
|
|
// Do garbage collection to collect the script above which is no longer
|
|
// referenced.
|
|
HEAP->CollectAllGarbage(Heap::kNoGCFlags);
|
|
|
|
CHECK_EQ(2, script_collected_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
// Debug event listener which counts the script collected events.
|
|
int script_collected_message_count = 0;
|
|
static void ScriptCollectedMessageHandler(const v8::Debug::Message& message) {
|
|
// Count the number of scripts collected.
|
|
if (message.IsEvent() && message.GetEvent() == v8::ScriptCollected) {
|
|
script_collected_message_count++;
|
|
v8::Handle<v8::Context> context = message.GetEventContext();
|
|
CHECK(context.IsEmpty());
|
|
}
|
|
}
|
|
|
|
|
|
// Test that GetEventContext doesn't fail and return empty handle for
|
|
// ScriptCollected events.
|
|
TEST(ScriptCollectedEventContext) {
|
|
v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug();
|
|
script_collected_message_count = 0;
|
|
v8::HandleScope scope;
|
|
|
|
{ // Scope for the DebugLocalContext.
|
|
DebugLocalContext env;
|
|
|
|
// Request the loaded scripts to initialize the debugger script cache.
|
|
debug->GetLoadedScripts();
|
|
|
|
// Do garbage collection to ensure that only the script in this test will be
|
|
// collected afterwards.
|
|
HEAP->CollectAllGarbage(Heap::kNoGCFlags);
|
|
|
|
v8::Debug::SetMessageHandler2(ScriptCollectedMessageHandler);
|
|
{
|
|
v8::Script::Compile(v8::String::New("eval('a=1')"))->Run();
|
|
v8::Script::Compile(v8::String::New("eval('a=2')"))->Run();
|
|
}
|
|
}
|
|
|
|
// Do garbage collection to collect the script above which is no longer
|
|
// referenced.
|
|
HEAP->CollectAllGarbage(Heap::kNoGCFlags);
|
|
|
|
CHECK_EQ(2, script_collected_message_count);
|
|
|
|
v8::Debug::SetMessageHandler2(NULL);
|
|
}
|
|
|
|
|
|
// Debug event listener which counts the after compile events.
|
|
int after_compile_message_count = 0;
|
|
static void AfterCompileMessageHandler(const v8::Debug::Message& message) {
|
|
// Count the number of scripts collected.
|
|
if (message.IsEvent()) {
|
|
if (message.GetEvent() == v8::AfterCompile) {
|
|
after_compile_message_count++;
|
|
} else if (message.GetEvent() == v8::Break) {
|
|
SendContinueCommand();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// Tests that after compile event is sent as many times as there are scripts
|
|
// compiled.
|
|
TEST(AfterCompileMessageWhenMessageHandlerIsReset) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
after_compile_message_count = 0;
|
|
const char* script = "var a=1";
|
|
|
|
v8::Debug::SetMessageHandler2(AfterCompileMessageHandler);
|
|
v8::Script::Compile(v8::String::New(script))->Run();
|
|
v8::Debug::SetMessageHandler2(NULL);
|
|
|
|
v8::Debug::SetMessageHandler2(AfterCompileMessageHandler);
|
|
v8::Debug::DebugBreak();
|
|
v8::Script::Compile(v8::String::New(script))->Run();
|
|
|
|
// Setting listener to NULL should cause debugger unload.
|
|
v8::Debug::SetMessageHandler2(NULL);
|
|
CheckDebuggerUnloaded();
|
|
|
|
// Compilation cache should be disabled when debugger is active.
|
|
CHECK_EQ(2, after_compile_message_count);
|
|
}
|
|
|
|
|
|
// Tests that break event is sent when message handler is reset.
|
|
TEST(BreakMessageWhenMessageHandlerIsReset) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
after_compile_message_count = 0;
|
|
const char* script = "function f() {};";
|
|
|
|
v8::Debug::SetMessageHandler2(AfterCompileMessageHandler);
|
|
v8::Script::Compile(v8::String::New(script))->Run();
|
|
v8::Debug::SetMessageHandler2(NULL);
|
|
|
|
v8::Debug::SetMessageHandler2(AfterCompileMessageHandler);
|
|
v8::Debug::DebugBreak();
|
|
v8::Local<v8::Function> f =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
f->Call(env->Global(), 0, NULL);
|
|
|
|
// Setting message handler to NULL should cause debugger unload.
|
|
v8::Debug::SetMessageHandler2(NULL);
|
|
CheckDebuggerUnloaded();
|
|
|
|
// Compilation cache should be disabled when debugger is active.
|
|
CHECK_EQ(1, after_compile_message_count);
|
|
}
|
|
|
|
|
|
static int exception_event_count = 0;
|
|
static void ExceptionMessageHandler(const v8::Debug::Message& message) {
|
|
if (message.IsEvent() && message.GetEvent() == v8::Exception) {
|
|
exception_event_count++;
|
|
SendContinueCommand();
|
|
}
|
|
}
|
|
|
|
|
|
// Tests that exception event is sent when message handler is reset.
|
|
TEST(ExceptionMessageWhenMessageHandlerIsReset) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// For this test, we want to break on uncaught exceptions:
|
|
ChangeBreakOnException(false, true);
|
|
|
|
exception_event_count = 0;
|
|
const char* script = "function f() {throw new Error()};";
|
|
|
|
v8::Debug::SetMessageHandler2(AfterCompileMessageHandler);
|
|
v8::Script::Compile(v8::String::New(script))->Run();
|
|
v8::Debug::SetMessageHandler2(NULL);
|
|
|
|
v8::Debug::SetMessageHandler2(ExceptionMessageHandler);
|
|
v8::Local<v8::Function> f =
|
|
v8::Local<v8::Function>::Cast(env->Global()->Get(v8::String::New("f")));
|
|
f->Call(env->Global(), 0, NULL);
|
|
|
|
// Setting message handler to NULL should cause debugger unload.
|
|
v8::Debug::SetMessageHandler2(NULL);
|
|
CheckDebuggerUnloaded();
|
|
|
|
CHECK_EQ(1, exception_event_count);
|
|
}
|
|
|
|
|
|
// Tests after compile event is sent when there are some provisional
|
|
// breakpoints out of the scripts lines range.
|
|
TEST(ProvisionalBreakpointOnLineOutOfRange) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
const char* script = "function f() {};";
|
|
const char* resource_name = "test_resource";
|
|
|
|
// Set a couple of provisional breakpoint on lines out of the script lines
|
|
// range.
|
|
int sbp1 = SetScriptBreakPointByNameFromJS(resource_name, 3,
|
|
-1 /* no column */);
|
|
int sbp2 = SetScriptBreakPointByNameFromJS(resource_name, 5, 5);
|
|
|
|
after_compile_message_count = 0;
|
|
v8::Debug::SetMessageHandler2(AfterCompileMessageHandler);
|
|
|
|
v8::ScriptOrigin origin(
|
|
v8::String::New(resource_name),
|
|
v8::Integer::New(10),
|
|
v8::Integer::New(1));
|
|
// Compile a script whose first line number is greater than the breakpoints'
|
|
// lines.
|
|
v8::Script::Compile(v8::String::New(script), &origin)->Run();
|
|
|
|
// If the script is compiled successfully there is exactly one after compile
|
|
// event. In case of an exception in debugger code after compile event is not
|
|
// sent.
|
|
CHECK_EQ(1, after_compile_message_count);
|
|
|
|
ClearBreakPointFromJS(sbp1);
|
|
ClearBreakPointFromJS(sbp2);
|
|
v8::Debug::SetMessageHandler2(NULL);
|
|
}
|
|
|
|
|
|
static void BreakMessageHandler(const v8::Debug::Message& message) {
|
|
i::Isolate* isolate = i::Isolate::Current();
|
|
if (message.IsEvent() && message.GetEvent() == v8::Break) {
|
|
// Count the number of breaks.
|
|
break_point_hit_count++;
|
|
|
|
v8::HandleScope scope;
|
|
message.GetJSON();
|
|
|
|
SendContinueCommand();
|
|
} else if (message.IsEvent() && message.GetEvent() == v8::AfterCompile) {
|
|
v8::HandleScope scope;
|
|
|
|
bool is_debug_break = isolate->stack_guard()->IsDebugBreak();
|
|
// Force DebugBreak flag while serializer is working.
|
|
isolate->stack_guard()->DebugBreak();
|
|
|
|
// Force serialization to trigger some internal JS execution.
|
|
message.GetJSON();
|
|
|
|
// Restore previous state.
|
|
if (is_debug_break) {
|
|
isolate->stack_guard()->DebugBreak();
|
|
} else {
|
|
isolate->stack_guard()->Continue(i::DEBUGBREAK);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// Test that if DebugBreak is forced it is ignored when code from
|
|
// debug-delay.js is executed.
|
|
TEST(NoDebugBreakInAfterCompileMessageHandler) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which sets the break flag and counts.
|
|
v8::Debug::SetMessageHandler2(BreakMessageHandler);
|
|
|
|
// Set the debug break flag.
|
|
v8::Debug::DebugBreak();
|
|
|
|
// Create a function for testing stepping.
|
|
const char* src = "function f() { eval('var x = 10;'); } ";
|
|
v8::Local<v8::Function> f = CompileFunction(&env, src, "f");
|
|
|
|
// There should be only one break event.
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
// Set the debug break flag again.
|
|
v8::Debug::DebugBreak();
|
|
f->Call(env->Global(), 0, NULL);
|
|
// There should be one more break event when the script is evaluated in 'f'.
|
|
CHECK_EQ(2, break_point_hit_count);
|
|
|
|
// Get rid of the debug message handler.
|
|
v8::Debug::SetMessageHandler2(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
static int counting_message_handler_counter;
|
|
|
|
static void CountingMessageHandler(const v8::Debug::Message& message) {
|
|
counting_message_handler_counter++;
|
|
}
|
|
|
|
// Test that debug messages get processed when ProcessDebugMessages is called.
|
|
TEST(ProcessDebugMessages) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
counting_message_handler_counter = 0;
|
|
|
|
v8::Debug::SetMessageHandler2(CountingMessageHandler);
|
|
|
|
const int kBufferSize = 1000;
|
|
uint16_t buffer[kBufferSize];
|
|
const char* scripts_command =
|
|
"{\"seq\":0,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"scripts\"}";
|
|
|
|
// Send scripts command.
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(scripts_command, buffer));
|
|
|
|
CHECK_EQ(0, counting_message_handler_counter);
|
|
v8::Debug::ProcessDebugMessages();
|
|
// At least one message should come
|
|
CHECK_GE(counting_message_handler_counter, 1);
|
|
|
|
counting_message_handler_counter = 0;
|
|
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(scripts_command, buffer));
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(scripts_command, buffer));
|
|
CHECK_EQ(0, counting_message_handler_counter);
|
|
v8::Debug::ProcessDebugMessages();
|
|
// At least two messages should come
|
|
CHECK_GE(counting_message_handler_counter, 2);
|
|
|
|
// Get rid of the debug message handler.
|
|
v8::Debug::SetMessageHandler2(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
struct BacktraceData {
|
|
static int frame_counter;
|
|
static void MessageHandler(const v8::Debug::Message& message) {
|
|
char print_buffer[1000];
|
|
v8::String::Value json(message.GetJSON());
|
|
Utf16ToAscii(*json, json.length(), print_buffer, 1000);
|
|
|
|
if (strstr(print_buffer, "backtrace") == NULL) {
|
|
return;
|
|
}
|
|
frame_counter = GetTotalFramesInt(print_buffer);
|
|
}
|
|
};
|
|
|
|
int BacktraceData::frame_counter;
|
|
|
|
|
|
// Test that debug messages get processed when ProcessDebugMessages is called.
|
|
TEST(Backtrace) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
v8::Debug::SetMessageHandler2(BacktraceData::MessageHandler);
|
|
|
|
const int kBufferSize = 1000;
|
|
uint16_t buffer[kBufferSize];
|
|
const char* scripts_command =
|
|
"{\"seq\":0,"
|
|
"\"type\":\"request\","
|
|
"\"command\":\"backtrace\"}";
|
|
|
|
// Check backtrace from ProcessDebugMessages.
|
|
BacktraceData::frame_counter = -10;
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(scripts_command, buffer));
|
|
v8::Debug::ProcessDebugMessages();
|
|
CHECK_EQ(BacktraceData::frame_counter, 0);
|
|
|
|
v8::Handle<v8::String> void0 = v8::String::New("void(0)");
|
|
v8::Handle<v8::Script> script = v8::Script::Compile(void0, void0);
|
|
|
|
// Check backtrace from "void(0)" script.
|
|
BacktraceData::frame_counter = -10;
|
|
v8::Debug::SendCommand(buffer, AsciiToUtf16(scripts_command, buffer));
|
|
script->Run();
|
|
CHECK_EQ(BacktraceData::frame_counter, 1);
|
|
|
|
// Get rid of the debug message handler.
|
|
v8::Debug::SetMessageHandler2(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
TEST(GetMirror) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
v8::Handle<v8::Value> obj = v8::Debug::GetMirror(v8::String::New("hodja"));
|
|
v8::Handle<v8::Function> run_test = v8::Handle<v8::Function>::Cast(
|
|
v8::Script::New(
|
|
v8::String::New(
|
|
"function runTest(mirror) {"
|
|
" return mirror.isString() && (mirror.length() == 5);"
|
|
"}"
|
|
""
|
|
"runTest;"))->Run());
|
|
v8::Handle<v8::Value> result = run_test->Call(env->Global(), 1, &obj);
|
|
CHECK(result->IsTrue());
|
|
}
|
|
|
|
|
|
// Test that the debug break flag works with function.apply.
|
|
TEST(DebugBreakFunctionApply) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Create a function for testing breaking in apply.
|
|
v8::Local<v8::Function> foo = CompileFunction(
|
|
&env,
|
|
"function baz(x) { }"
|
|
"function bar(x) { baz(); }"
|
|
"function foo(){ bar.apply(this, [1]); }",
|
|
"foo");
|
|
|
|
// Register a debug event listener which steps and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakMax);
|
|
|
|
// Set the debug break flag before calling the code using function.apply.
|
|
v8::Debug::DebugBreak();
|
|
|
|
// Limit the number of debug breaks. This is a regression test for issue 493
|
|
// where this test would enter an infinite loop.
|
|
break_point_hit_count = 0;
|
|
max_break_point_hit_count = 10000; // 10000 => infinite loop.
|
|
foo->Call(env->Global(), 0, NULL);
|
|
|
|
// When keeping the debug break several break will happen.
|
|
CHECK_GT(break_point_hit_count, 1);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
v8::Handle<v8::Context> debugee_context;
|
|
v8::Handle<v8::Context> debugger_context;
|
|
|
|
|
|
// Property getter that checks that current and calling contexts
|
|
// are both the debugee contexts.
|
|
static v8::Handle<v8::Value> NamedGetterWithCallingContextCheck(
|
|
v8::Local<v8::String> name,
|
|
const v8::AccessorInfo& info) {
|
|
CHECK_EQ(0, strcmp(*v8::String::AsciiValue(name), "a"));
|
|
v8::Handle<v8::Context> current = v8::Context::GetCurrent();
|
|
CHECK(current == debugee_context);
|
|
CHECK(current != debugger_context);
|
|
v8::Handle<v8::Context> calling = v8::Context::GetCalling();
|
|
CHECK(calling == debugee_context);
|
|
CHECK(calling != debugger_context);
|
|
return v8::Int32::New(1);
|
|
}
|
|
|
|
|
|
// Debug event listener that checks if the first argument of a function is
|
|
// an object with property 'a' == 1. If the property has custom accessor
|
|
// this handler will eventually invoke it.
|
|
static void DebugEventGetAtgumentPropertyValue(
|
|
v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
if (event == v8::Break) {
|
|
break_point_hit_count++;
|
|
CHECK(debugger_context == v8::Context::GetCurrent());
|
|
v8::Handle<v8::Function> func(v8::Function::Cast(*CompileRun(
|
|
"(function(exec_state) {\n"
|
|
" return (exec_state.frame(0).argumentValue(0).property('a').\n"
|
|
" value().value() == 1);\n"
|
|
"})")));
|
|
const int argc = 1;
|
|
v8::Handle<v8::Value> argv[argc] = { exec_state };
|
|
v8::Handle<v8::Value> result = func->Call(exec_state, argc, argv);
|
|
CHECK(result->IsTrue());
|
|
}
|
|
}
|
|
|
|
|
|
TEST(CallingContextIsNotDebugContext) {
|
|
v8::internal::Debug* debug = v8::internal::Isolate::Current()->debug();
|
|
// Create and enter a debugee context.
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
// Save handles to the debugger and debugee contexts to be used in
|
|
// NamedGetterWithCallingContextCheck.
|
|
debugee_context = v8::Local<v8::Context>(*env);
|
|
debugger_context = v8::Utils::ToLocal(debug->debug_context());
|
|
|
|
// Create object with 'a' property accessor.
|
|
v8::Handle<v8::ObjectTemplate> named = v8::ObjectTemplate::New();
|
|
named->SetAccessor(v8::String::New("a"),
|
|
NamedGetterWithCallingContextCheck);
|
|
env->Global()->Set(v8::String::New("obj"),
|
|
named->NewInstance());
|
|
|
|
// Register the debug event listener
|
|
v8::Debug::SetDebugEventListener(DebugEventGetAtgumentPropertyValue);
|
|
|
|
// Create a function that invokes debugger.
|
|
v8::Local<v8::Function> foo = CompileFunction(
|
|
&env,
|
|
"function bar(x) { debugger; }"
|
|
"function foo(){ bar(obj); }",
|
|
"foo");
|
|
|
|
break_point_hit_count = 0;
|
|
foo->Call(env->Global(), 0, NULL);
|
|
CHECK_EQ(1, break_point_hit_count);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
debugee_context = v8::Handle<v8::Context>();
|
|
debugger_context = v8::Handle<v8::Context>();
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
TEST(DebugContextIsPreservedBetweenAccesses) {
|
|
v8::HandleScope scope;
|
|
v8::Local<v8::Context> context1 = v8::Debug::GetDebugContext();
|
|
v8::Local<v8::Context> context2 = v8::Debug::GetDebugContext();
|
|
CHECK_EQ(*context1, *context2);
|
|
}
|
|
|
|
|
|
static v8::Handle<v8::Value> expected_callback_data;
|
|
static void DebugEventContextChecker(const v8::Debug::EventDetails& details) {
|
|
CHECK(details.GetEventContext() == expected_context);
|
|
CHECK_EQ(expected_callback_data, details.GetCallbackData());
|
|
}
|
|
|
|
// Check that event details contain context where debug event occured.
|
|
TEST(DebugEventContext) {
|
|
v8::HandleScope scope;
|
|
expected_callback_data = v8::Int32::New(2010);
|
|
v8::Debug::SetDebugEventListener2(DebugEventContextChecker,
|
|
expected_callback_data);
|
|
expected_context = v8::Context::New();
|
|
v8::Context::Scope context_scope(expected_context);
|
|
v8::Script::Compile(v8::String::New("(function(){debugger;})();"))->Run();
|
|
expected_context.Dispose(expected_context->GetIsolate());
|
|
expected_context.Clear();
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
expected_context_data = v8::Handle<v8::Value>();
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
static void* expected_break_data;
|
|
static bool was_debug_break_called;
|
|
static bool was_debug_event_called;
|
|
static void DebugEventBreakDataChecker(const v8::Debug::EventDetails& details) {
|
|
if (details.GetEvent() == v8::BreakForCommand) {
|
|
CHECK_EQ(expected_break_data, details.GetClientData());
|
|
was_debug_event_called = true;
|
|
} else if (details.GetEvent() == v8::Break) {
|
|
was_debug_break_called = true;
|
|
}
|
|
}
|
|
|
|
|
|
// Check that event details contain context where debug event occured.
|
|
TEST(DebugEventBreakData) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
v8::Debug::SetDebugEventListener2(DebugEventBreakDataChecker);
|
|
|
|
TestClientData::constructor_call_counter = 0;
|
|
TestClientData::destructor_call_counter = 0;
|
|
|
|
expected_break_data = NULL;
|
|
was_debug_event_called = false;
|
|
was_debug_break_called = false;
|
|
v8::Debug::DebugBreakForCommand();
|
|
v8::Script::Compile(v8::String::New("(function(x){return x;})(1);"))->Run();
|
|
CHECK(was_debug_event_called);
|
|
CHECK(!was_debug_break_called);
|
|
|
|
TestClientData* data1 = new TestClientData();
|
|
expected_break_data = data1;
|
|
was_debug_event_called = false;
|
|
was_debug_break_called = false;
|
|
v8::Debug::DebugBreakForCommand(data1);
|
|
v8::Script::Compile(v8::String::New("(function(x){return x+1;})(1);"))->Run();
|
|
CHECK(was_debug_event_called);
|
|
CHECK(!was_debug_break_called);
|
|
|
|
expected_break_data = NULL;
|
|
was_debug_event_called = false;
|
|
was_debug_break_called = false;
|
|
v8::Debug::DebugBreak();
|
|
v8::Script::Compile(v8::String::New("(function(x){return x+2;})(1);"))->Run();
|
|
CHECK(!was_debug_event_called);
|
|
CHECK(was_debug_break_called);
|
|
|
|
TestClientData* data2 = new TestClientData();
|
|
expected_break_data = data2;
|
|
was_debug_event_called = false;
|
|
was_debug_break_called = false;
|
|
v8::Debug::DebugBreak();
|
|
v8::Debug::DebugBreakForCommand(data2);
|
|
v8::Script::Compile(v8::String::New("(function(x){return x+3;})(1);"))->Run();
|
|
CHECK(was_debug_event_called);
|
|
CHECK(was_debug_break_called);
|
|
|
|
CHECK_EQ(2, TestClientData::constructor_call_counter);
|
|
CHECK_EQ(TestClientData::constructor_call_counter,
|
|
TestClientData::destructor_call_counter);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
static bool debug_event_break_deoptimize_done = false;
|
|
|
|
static void DebugEventBreakDeoptimize(v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
if (event == v8::Break) {
|
|
if (!frame_function_name.IsEmpty()) {
|
|
// Get the name of the function.
|
|
const int argc = 2;
|
|
v8::Handle<v8::Value> argv[argc] = { exec_state, v8::Integer::New(0) };
|
|
v8::Handle<v8::Value> result =
|
|
frame_function_name->Call(exec_state, argc, argv);
|
|
if (!result->IsUndefined()) {
|
|
char fn[80];
|
|
CHECK(result->IsString());
|
|
v8::Handle<v8::String> function_name(result->ToString());
|
|
function_name->WriteAscii(fn);
|
|
if (strcmp(fn, "bar") == 0) {
|
|
i::Deoptimizer::DeoptimizeAll();
|
|
debug_event_break_deoptimize_done = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
v8::Debug::DebugBreak();
|
|
}
|
|
}
|
|
|
|
|
|
// Test deoptimization when execution is broken using the debug break stack
|
|
// check interrupt.
|
|
TEST(DeoptimizeDuringDebugBreak) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
env.ExposeDebug();
|
|
|
|
// Create a function for checking the function when hitting a break point.
|
|
frame_function_name = CompileFunction(&env,
|
|
frame_function_name_source,
|
|
"frame_function_name");
|
|
|
|
|
|
// Set a debug event listener which will keep interrupting execution until
|
|
// debug break. When inside function bar it will deoptimize all functions.
|
|
// This tests lazy deoptimization bailout for the stack check, as the first
|
|
// time in function bar when using debug break and no break points will be at
|
|
// the initial stack check.
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakDeoptimize,
|
|
v8::Undefined());
|
|
|
|
// Compile and run function bar which will optimize it for some flag settings.
|
|
v8::Script::Compile(v8::String::New("function bar(){}; bar()"))->Run();
|
|
|
|
// Set debug break and call bar again.
|
|
v8::Debug::DebugBreak();
|
|
v8::Script::Compile(v8::String::New("bar()"))->Run();
|
|
|
|
CHECK(debug_event_break_deoptimize_done);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
}
|
|
|
|
|
|
static void DebugEventBreakWithOptimizedStack(v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
if (event == v8::Break) {
|
|
if (!frame_function_name.IsEmpty()) {
|
|
for (int i = 0; i < 2; i++) {
|
|
const int argc = 2;
|
|
v8::Handle<v8::Value> argv[argc] = { exec_state, v8::Integer::New(i) };
|
|
// Get the name of the function in frame i.
|
|
v8::Handle<v8::Value> result =
|
|
frame_function_name->Call(exec_state, argc, argv);
|
|
CHECK(result->IsString());
|
|
v8::Handle<v8::String> function_name(result->ToString());
|
|
CHECK(function_name->Equals(v8::String::New("loop")));
|
|
// Get the name of the first argument in frame i.
|
|
result = frame_argument_name->Call(exec_state, argc, argv);
|
|
CHECK(result->IsString());
|
|
v8::Handle<v8::String> argument_name(result->ToString());
|
|
CHECK(argument_name->Equals(v8::String::New("count")));
|
|
// Get the value of the first argument in frame i. If the
|
|
// funtion is optimized the value will be undefined, otherwise
|
|
// the value will be '1 - i'.
|
|
//
|
|
// TODO(3141533): We should be able to get the real value for
|
|
// optimized frames.
|
|
result = frame_argument_value->Call(exec_state, argc, argv);
|
|
CHECK(result->IsUndefined() || (result->Int32Value() == 1 - i));
|
|
// Get the name of the first local variable.
|
|
result = frame_local_name->Call(exec_state, argc, argv);
|
|
CHECK(result->IsString());
|
|
v8::Handle<v8::String> local_name(result->ToString());
|
|
CHECK(local_name->Equals(v8::String::New("local")));
|
|
// Get the value of the first local variable. If the function
|
|
// is optimized the value will be undefined, otherwise it will
|
|
// be 42.
|
|
//
|
|
// TODO(3141533): We should be able to get the real value for
|
|
// optimized frames.
|
|
result = frame_local_value->Call(exec_state, argc, argv);
|
|
CHECK(result->IsUndefined() || (result->Int32Value() == 42));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static v8::Handle<v8::Value> ScheduleBreak(const v8::Arguments& args) {
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakWithOptimizedStack,
|
|
v8::Undefined());
|
|
v8::Debug::DebugBreak();
|
|
return v8::Undefined();
|
|
}
|
|
|
|
|
|
TEST(DebugBreakStackInspection) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
frame_function_name =
|
|
CompileFunction(&env, frame_function_name_source, "frame_function_name");
|
|
frame_argument_name =
|
|
CompileFunction(&env, frame_argument_name_source, "frame_argument_name");
|
|
frame_argument_value = CompileFunction(&env,
|
|
frame_argument_value_source,
|
|
"frame_argument_value");
|
|
frame_local_name =
|
|
CompileFunction(&env, frame_local_name_source, "frame_local_name");
|
|
frame_local_value =
|
|
CompileFunction(&env, frame_local_value_source, "frame_local_value");
|
|
|
|
v8::Handle<v8::FunctionTemplate> schedule_break_template =
|
|
v8::FunctionTemplate::New(ScheduleBreak);
|
|
v8::Handle<v8::Function> schedule_break =
|
|
schedule_break_template->GetFunction();
|
|
env->Global()->Set(v8_str("scheduleBreak"), schedule_break);
|
|
|
|
const char* src =
|
|
"function loop(count) {"
|
|
" var local = 42;"
|
|
" if (count < 1) { scheduleBreak(); loop(count + 1); }"
|
|
"}"
|
|
"loop(0);";
|
|
v8::Script::Compile(v8::String::New(src))->Run();
|
|
}
|
|
|
|
|
|
// Test that setting the terminate execution flag during debug break processing.
|
|
static void TestDebugBreakInLoop(const char* loop_head,
|
|
const char** loop_bodies,
|
|
const char* loop_tail) {
|
|
// Receive 100 breaks for each test and then terminate JavaScript execution.
|
|
static const int kBreaksPerTest = 100;
|
|
|
|
for (int i = 0; loop_bodies[i] != NULL; i++) {
|
|
// Perform a lazy deoptimization after various numbers of breaks
|
|
// have been hit.
|
|
for (int j = 0; j < 11; j++) {
|
|
break_point_hit_count_deoptimize = j;
|
|
if (j == 10) {
|
|
break_point_hit_count_deoptimize = kBreaksPerTest;
|
|
}
|
|
|
|
break_point_hit_count = 0;
|
|
max_break_point_hit_count = kBreaksPerTest;
|
|
terminate_after_max_break_point_hit = true;
|
|
|
|
EmbeddedVector<char, 1024> buffer;
|
|
OS::SNPrintF(buffer,
|
|
"function f() {%s%s%s}",
|
|
loop_head, loop_bodies[i], loop_tail);
|
|
|
|
// Function with infinite loop.
|
|
CompileRun(buffer.start());
|
|
|
|
// Set the debug break to enter the debugger as soon as possible.
|
|
v8::Debug::DebugBreak();
|
|
|
|
// Call function with infinite loop.
|
|
CompileRun("f();");
|
|
CHECK_EQ(kBreaksPerTest, break_point_hit_count);
|
|
|
|
CHECK(!v8::V8::IsExecutionTerminating());
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
TEST(DebugBreakLoop) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
|
|
// Register a debug event listener which sets the break flag and counts.
|
|
v8::Debug::SetDebugEventListener(DebugEventBreakMax);
|
|
|
|
// Create a function for getting the frame count when hitting the break.
|
|
frame_count = CompileFunction(&env, frame_count_source, "frame_count");
|
|
|
|
CompileRun("var a = 1;");
|
|
CompileRun("function g() { }");
|
|
CompileRun("function h() { }");
|
|
|
|
const char* loop_bodies[] = {
|
|
"",
|
|
"g()",
|
|
"if (a == 0) { g() }",
|
|
"if (a == 1) { g() }",
|
|
"if (a == 0) { g() } else { h() }",
|
|
"if (a == 0) { continue }",
|
|
"if (a == 1) { continue }",
|
|
"switch (a) { case 1: g(); }",
|
|
"switch (a) { case 1: continue; }",
|
|
"switch (a) { case 1: g(); break; default: h() }",
|
|
"switch (a) { case 1: continue; break; default: h() }",
|
|
NULL
|
|
};
|
|
|
|
TestDebugBreakInLoop("while (true) {", loop_bodies, "}");
|
|
TestDebugBreakInLoop("while (a == 1) {", loop_bodies, "}");
|
|
|
|
TestDebugBreakInLoop("do {", loop_bodies, "} while (true)");
|
|
TestDebugBreakInLoop("do {", loop_bodies, "} while (a == 1)");
|
|
|
|
TestDebugBreakInLoop("for (;;) {", loop_bodies, "}");
|
|
TestDebugBreakInLoop("for (;a == 1;) {", loop_bodies, "}");
|
|
|
|
// Get rid of the debug event listener.
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CheckDebuggerUnloaded();
|
|
}
|
|
|
|
|
|
v8::Local<v8::Script> inline_script;
|
|
|
|
static void DebugBreakInlineListener(v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
if (event != v8::Break) return;
|
|
|
|
int expected_frame_count = 4;
|
|
int expected_line_number[] = {1, 4, 7, 12};
|
|
|
|
i::Handle<i::Object> compiled_script = v8::Utils::OpenHandle(*inline_script);
|
|
i::Handle<i::Script> source_script = i::Handle<i::Script>(i::Script::cast(
|
|
i::JSFunction::cast(*compiled_script)->shared()->script()));
|
|
|
|
int break_id = v8::internal::Isolate::Current()->debug()->break_id();
|
|
char script[128];
|
|
i::Vector<char> script_vector(script, sizeof(script));
|
|
OS::SNPrintF(script_vector, "%%GetFrameCount(%d)", break_id);
|
|
v8::Local<v8::Value> result = CompileRun(script);
|
|
|
|
int frame_count = result->Int32Value();
|
|
CHECK_EQ(expected_frame_count, frame_count);
|
|
|
|
for (int i = 0; i < frame_count; i++) {
|
|
// The 5. element in the returned array of GetFrameDetails contains the
|
|
// source position of that frame.
|
|
OS::SNPrintF(script_vector, "%%GetFrameDetails(%d, %d)[5]", break_id, i);
|
|
v8::Local<v8::Value> result = CompileRun(script);
|
|
CHECK_EQ(expected_line_number[i],
|
|
i::GetScriptLineNumber(source_script, result->Int32Value()));
|
|
}
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
v8::V8::TerminateExecution();
|
|
}
|
|
|
|
|
|
TEST(DebugBreakInline) {
|
|
i::FLAG_allow_natives_syntax = true;
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
const char* source =
|
|
"function debug(b) { \n"
|
|
" if (b) debugger; \n"
|
|
"} \n"
|
|
"function f(b) { \n"
|
|
" debug(b) \n"
|
|
"}; \n"
|
|
"function g(b) { \n"
|
|
" f(b); \n"
|
|
"}; \n"
|
|
"g(false); \n"
|
|
"g(false); \n"
|
|
"%OptimizeFunctionOnNextCall(g); \n"
|
|
"g(true);";
|
|
v8::Debug::SetDebugEventListener(DebugBreakInlineListener);
|
|
inline_script = v8::Script::Compile(v8::String::New(source));
|
|
inline_script->Run();
|
|
}
|
|
|
|
|
|
static void DebugEventStepNext(v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
if (event == v8::Break) {
|
|
PrepareStep(StepNext);
|
|
}
|
|
}
|
|
|
|
|
|
static void RunScriptInANewCFrame(const char* source) {
|
|
v8::TryCatch try_catch;
|
|
CompileRun(source);
|
|
CHECK(try_catch.HasCaught());
|
|
}
|
|
|
|
|
|
TEST(Regress131642) {
|
|
// Bug description:
|
|
// When doing StepNext through the first script, the debugger is not reset
|
|
// after exiting through exception. A flawed implementation enabling the
|
|
// debugger to step into Array.prototype.forEach breaks inside the callback
|
|
// for forEach in the second script under the assumption that we are in a
|
|
// recursive call. In an attempt to step out, we crawl the stack using the
|
|
// recorded frame pointer from the first script and fail when not finding it
|
|
// on the stack.
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
v8::Debug::SetDebugEventListener(DebugEventStepNext);
|
|
|
|
// We step through the first script. It exits through an exception. We run
|
|
// this inside a new frame to record a different FP than the second script
|
|
// would expect.
|
|
const char* script_1 = "debugger; throw new Error();";
|
|
RunScriptInANewCFrame(script_1);
|
|
|
|
// The second script uses forEach.
|
|
const char* script_2 = "[0].forEach(function() { });";
|
|
CompileRun(script_2);
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
}
|
|
|
|
|
|
// Import from test-heap.cc
|
|
int CountNativeContexts();
|
|
|
|
|
|
static void NopListener(v8::DebugEvent event,
|
|
v8::Handle<v8::Object> exec_state,
|
|
v8::Handle<v8::Object> event_data,
|
|
v8::Handle<v8::Value> data) {
|
|
}
|
|
|
|
|
|
TEST(DebuggerCreatesContextIffActive) {
|
|
v8::HandleScope scope;
|
|
DebugLocalContext env;
|
|
CHECK_EQ(1, CountNativeContexts());
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
CompileRun("debugger;");
|
|
CHECK_EQ(1, CountNativeContexts());
|
|
|
|
v8::Debug::SetDebugEventListener(NopListener);
|
|
CompileRun("debugger;");
|
|
CHECK_EQ(2, CountNativeContexts());
|
|
|
|
v8::Debug::SetDebugEventListener(NULL);
|
|
}
|
|
|
|
|
|
TEST(LiveEditEnabled) {
|
|
v8::internal::FLAG_allow_natives_syntax = true;
|
|
v8::HandleScope scope;
|
|
LocalContext context;
|
|
v8::Debug::SetLiveEditEnabled(true);
|
|
CompileRun("%LiveEditCompareStrings('', '')");
|
|
}
|
|
|
|
|
|
TEST(LiveEditDisabled) {
|
|
v8::internal::FLAG_allow_natives_syntax = true;
|
|
v8::HandleScope scope;
|
|
LocalContext context;
|
|
v8::Debug::SetLiveEditEnabled(false);
|
|
CompileRun("%LiveEditCompareStrings('', '')");
|
|
}
|
|
|
|
|
|
#endif // ENABLE_DEBUGGER_SUPPORT
|