14ed15e7e1
R=mstarzinger@chromium.org BUG= Review URL: https://codereview.chromium.org/21042004 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16040 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
357 lines
12 KiB
C++
357 lines
12 KiB
C++
// Copyright 2008 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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#ifndef CCTEST_H_
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#define CCTEST_H_
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#include "v8.h"
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#ifndef TEST
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#define TEST(Name) \
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static void Test##Name(); \
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CcTest register_test_##Name(Test##Name, __FILE__, #Name, NULL, true); \
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static void Test##Name()
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#endif
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#ifndef DEPENDENT_TEST
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#define DEPENDENT_TEST(Name, Dep) \
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static void Test##Name(); \
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CcTest register_test_##Name(Test##Name, __FILE__, #Name, #Dep, true); \
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static void Test##Name()
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#endif
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#ifndef DISABLED_TEST
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#define DISABLED_TEST(Name) \
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static void Test##Name(); \
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CcTest register_test_##Name(Test##Name, __FILE__, #Name, NULL, false); \
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static void Test##Name()
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#endif
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#define EXTENSION_LIST(V) \
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V(GC_EXTENSION, "v8/gc") \
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V(PRINT_EXTENSION, "v8/print") \
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V(TRACE_EXTENSION, "v8/trace")
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#define DEFINE_EXTENSION_ID(Name, Ident) Name##_ID,
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enum CcTestExtensionIds {
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EXTENSION_LIST(DEFINE_EXTENSION_ID)
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kMaxExtensions
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};
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#undef DEFINE_EXTENSION_ID
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typedef v8::internal::EnumSet<CcTestExtensionIds> CcTestExtensionFlags;
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#define DEFINE_EXTENSION_FLAG(Name, Ident) \
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static const CcTestExtensionFlags Name(1 << Name##_ID);
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static const CcTestExtensionFlags NO_EXTENSIONS(0);
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static const CcTestExtensionFlags ALL_EXTENSIONS((1 << kMaxExtensions) - 1);
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EXTENSION_LIST(DEFINE_EXTENSION_FLAG)
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#undef DEFINE_EXTENSION_FLAG
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class CcTest {
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public:
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typedef void (TestFunction)();
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CcTest(TestFunction* callback, const char* file, const char* name,
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const char* dependency, bool enabled);
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void Run() { callback_(); }
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static CcTest* last() { return last_; }
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CcTest* prev() { return prev_; }
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const char* file() { return file_; }
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const char* name() { return name_; }
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const char* dependency() { return dependency_; }
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bool enabled() { return enabled_; }
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static v8::Isolate* default_isolate() { return default_isolate_; }
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static v8::Handle<v8::Context> env() {
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return v8::Local<v8::Context>::New(default_isolate_, context_);
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}
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static v8::Isolate* isolate() { return default_isolate_; }
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// Helper function to initialize the VM.
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static void InitializeVM(CcTestExtensionFlags extensions = NO_EXTENSIONS);
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private:
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friend int main(int argc, char** argv);
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static void set_default_isolate(v8::Isolate* default_isolate) {
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default_isolate_ = default_isolate;
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}
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TestFunction* callback_;
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const char* file_;
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const char* name_;
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const char* dependency_;
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bool enabled_;
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CcTest* prev_;
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static CcTest* last_;
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static v8::Isolate* default_isolate_;
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static v8::Persistent<v8::Context> context_;
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};
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// Switches between all the Api tests using the threading support.
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// In order to get a surprising but repeatable pattern of thread
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// switching it has extra semaphores to control the order in which
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// the tests alternate, not relying solely on the big V8 lock.
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//
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// A test is augmented with calls to ApiTestFuzzer::Fuzz() in its
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// callbacks. This will have no effect when we are not running the
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// thread fuzzing test. In the thread fuzzing test it will
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// pseudorandomly select a successor thread and switch execution
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// to that thread, suspending the current test.
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class ApiTestFuzzer: public v8::internal::Thread {
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public:
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void CallTest();
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// The ApiTestFuzzer is also a Thread, so it has a Run method.
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virtual void Run();
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enum PartOfTest { FIRST_PART,
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SECOND_PART,
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THIRD_PART,
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FOURTH_PART,
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LAST_PART = FOURTH_PART };
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static void SetUp(PartOfTest part);
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static void RunAllTests();
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static void TearDown();
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// This method switches threads if we are running the Threading test.
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// Otherwise it does nothing.
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static void Fuzz();
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private:
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explicit ApiTestFuzzer(int num)
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: Thread("ApiTestFuzzer"),
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test_number_(num),
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gate_(v8::internal::OS::CreateSemaphore(0)),
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active_(true) {
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}
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~ApiTestFuzzer() { delete gate_; }
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static bool fuzzing_;
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static int tests_being_run_;
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static int current_;
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static int active_tests_;
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static bool NextThread();
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int test_number_;
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v8::internal::Semaphore* gate_;
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bool active_;
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void ContextSwitch();
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static int GetNextTestNumber();
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static v8::internal::Semaphore* all_tests_done_;
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};
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#define THREADED_TEST(Name) \
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static void Test##Name(); \
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RegisterThreadedTest register_##Name(Test##Name, #Name); \
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/* */ TEST(Name)
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class RegisterThreadedTest {
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public:
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explicit RegisterThreadedTest(CcTest::TestFunction* callback,
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const char* name)
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: fuzzer_(NULL), callback_(callback), name_(name) {
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prev_ = first_;
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first_ = this;
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count_++;
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}
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static int count() { return count_; }
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static RegisterThreadedTest* nth(int i) {
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CHECK(i < count());
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RegisterThreadedTest* current = first_;
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while (i > 0) {
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i--;
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current = current->prev_;
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}
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return current;
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}
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CcTest::TestFunction* callback() { return callback_; }
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ApiTestFuzzer* fuzzer_;
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const char* name() { return name_; }
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private:
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static RegisterThreadedTest* first_;
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static int count_;
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CcTest::TestFunction* callback_;
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RegisterThreadedTest* prev_;
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const char* name_;
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};
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// A LocalContext holds a reference to a v8::Context.
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class LocalContext {
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public:
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LocalContext(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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v8::Isolate* isolate = v8::Isolate::GetCurrent();
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v8::HandleScope scope(isolate);
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v8::Local<v8::Context> context = v8::Context::New(isolate,
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extensions,
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global_template,
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global_object);
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context_.Reset(isolate, context);
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context->Enter();
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// We can't do this later perhaps because of a fatal error.
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isolate_ = context->GetIsolate();
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}
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virtual ~LocalContext() {
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v8::HandleScope scope(isolate_);
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v8::Local<v8::Context>::New(isolate_, context_)->Exit();
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context_.Dispose();
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}
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v8::Context* operator->() {
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return *reinterpret_cast<v8::Context**>(&context_);
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}
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v8::Context* operator*() { return operator->(); }
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bool IsReady() { return !context_.IsEmpty(); }
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v8::Local<v8::Context> local() {
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return v8::Local<v8::Context>::New(isolate_, context_);
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}
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private:
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v8::Persistent<v8::Context> context_;
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v8::Isolate* isolate_;
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};
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static inline v8::Local<v8::Value> v8_num(double x) {
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return v8::Number::New(x);
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}
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static inline v8::Local<v8::String> v8_str(const char* x) {
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return v8::String::New(x);
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}
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static inline v8::Local<v8::Script> v8_compile(const char* x) {
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return v8::Script::Compile(v8_str(x));
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}
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// Helper function that compiles and runs the source.
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static inline v8::Local<v8::Value> CompileRun(const char* source) {
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return v8::Script::Compile(v8::String::New(source))->Run();
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}
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// Helper function that compiles and runs the source with given origin.
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static inline v8::Local<v8::Value> CompileRunWithOrigin(const char* source,
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const char* origin_url,
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int line_number,
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int column_number) {
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v8::ScriptOrigin origin(v8::String::New(origin_url),
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v8::Integer::New(line_number),
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v8::Integer::New(column_number));
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return v8::Script::Compile(v8::String::New(source), &origin)->Run();
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}
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// Pick a slightly different port to allow tests to be run in parallel.
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static inline int FlagDependentPortOffset() {
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return ::v8::internal::FLAG_crankshaft == false ? 100 :
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::v8::internal::FLAG_always_opt ? 200 : 0;
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}
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// Helper function that simulates a full new-space in the heap.
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static inline void SimulateFullSpace(v8::internal::NewSpace* space) {
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int new_linear_size = static_cast<int>(
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*space->allocation_limit_address() - *space->allocation_top_address());
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v8::internal::MaybeObject* maybe = space->AllocateRaw(new_linear_size);
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v8::internal::FreeListNode* node = v8::internal::FreeListNode::cast(maybe);
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node->set_size(space->heap(), new_linear_size);
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}
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// Helper function that simulates a full old-space in the heap.
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static inline void SimulateFullSpace(v8::internal::PagedSpace* space) {
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int old_linear_size = static_cast<int>(space->limit() - space->top());
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space->Free(space->top(), old_linear_size);
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space->SetTop(space->limit(), space->limit());
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space->ResetFreeList();
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space->ClearStats();
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}
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// Adapted from http://en.wikipedia.org/wiki/Multiply-with-carry
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class RandomNumberGenerator {
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public:
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RandomNumberGenerator() {
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init();
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}
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void init(uint32_t seed = 0x5688c73e) {
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static const uint32_t phi = 0x9e3779b9;
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c = 362436;
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i = kQSize-1;
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Q[0] = seed;
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Q[1] = seed + phi;
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Q[2] = seed + phi + phi;
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for (unsigned j = 3; j < kQSize; j++) {
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Q[j] = Q[j - 3] ^ Q[j - 2] ^ phi ^ j;
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}
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}
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uint32_t next() {
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uint64_t a = 18782;
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uint32_t r = 0xfffffffe;
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i = (i + 1) & (kQSize-1);
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uint64_t t = a * Q[i] + c;
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c = (t >> 32);
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uint32_t x = static_cast<uint32_t>(t + c);
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if (x < c) {
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x++;
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c++;
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}
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return (Q[i] = r - x);
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}
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uint32_t next(int max) {
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return next() % max;
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}
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bool next(double threshold) {
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ASSERT(threshold >= 0.0 && threshold <= 1.0);
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if (threshold == 1.0) return true;
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if (threshold == 0.0) return false;
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uint32_t value = next() % 100000;
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return threshold > static_cast<double>(value)/100000.0;
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}
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private:
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static const uint32_t kQSize = 4096;
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uint32_t Q[kQSize];
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uint32_t c;
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uint32_t i;
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};
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#endif // ifndef CCTEST_H_
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