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v8/test/cctest/test-api.cc

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// Copyright 2007-2008 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <stdlib.h>
#include <map>
#include <string>
#include "v8.h"
#include "api.h"
#include "snapshot.h"
#include "platform.h"
#include "top.h"
#include "cctest.h"
static bool IsNaN(double x) {
#ifdef WIN32
return _isnan(x);
#else
return isnan(x);
#endif
}
using ::v8::ObjectTemplate;
using ::v8::Value;
using ::v8::Context;
using ::v8::Local;
using ::v8::String;
using ::v8::Script;
using ::v8::Function;
using ::v8::AccessorInfo;
using ::v8::Extension;
namespace i = ::v8::internal;
static Local<Value> v8_num(double x) {
return v8::Number::New(x);
}
static Local<String> v8_str(const char* x) {
return String::New(x);
}
static Local<Script> v8_compile(const char* x) {
return Script::Compile(v8_str(x));
}
// A LocalContext holds a reference to a v8::Context.
class LocalContext {
public:
LocalContext(v8::ExtensionConfiguration* extensions = 0,
v8::Handle<ObjectTemplate> global_template =
v8::Handle<ObjectTemplate>(),
v8::Handle<Value> global_object = v8::Handle<Value>())
: context_(Context::New(extensions, global_template, global_object)) {
context_->Enter();
}
virtual ~LocalContext() {
context_->Exit();
context_.Dispose();
}
Context* operator->() { return *context_; }
Context* operator*() { return *context_; }
Local<Context> local() { return Local<Context>::New(context_); }
bool IsReady() { return !context_.IsEmpty(); }
private:
v8::Persistent<Context> context_;
};
// Switches between all the Api tests using the threading support.
// In order to get a surprising but repeatable pattern of thread
// switching it has extra semaphores to control the order in which
// the tests alternate, not relying solely on the big V8 lock.
//
// A test is augmented with calls to ApiTestFuzzer::Fuzz() in its
// callbacks. This will have no effect when we are not running the
// thread fuzzing test. In the thread fuzzing test it will
// pseudorandomly select a successor thread and switch execution
// to that thread, suspending the current test.
class ApiTestFuzzer: public v8::internal::Thread {
public:
void CallTest();
explicit ApiTestFuzzer(int num)
: test_number_(num),
gate_(v8::internal::OS::CreateSemaphore(0)),
active_(true) {
}
~ApiTestFuzzer() { delete gate_; }
// The ApiTestFuzzer is also a Thread, so it has a Run method.
virtual void Run();
enum PartOfTest { FIRST_PART, SECOND_PART };
static void Setup(PartOfTest part);
static void RunAllTests();
static void TearDown();
// This method switches threads if we are running the Threading test.
// Otherwise it does nothing.
static void Fuzz();
private:
static bool fuzzing_;
static int tests_being_run_;
static int current_;
static int active_tests_;
static bool NextThread();
int test_number_;
v8::internal::Semaphore* gate_;
bool active_;
void ContextSwitch();
static int GetNextTestNumber();
static v8::internal::Semaphore* all_tests_done_;
};
#define THREADED_TEST(Name) \
static void Test##Name(); \
RegisterThreadedTest register_##Name(Test##Name); \
/* */ TEST(Name)
class RegisterThreadedTest {
public:
explicit RegisterThreadedTest(CcTest::TestFunction* callback)
: fuzzer_(NULL), callback_(callback) {
prev_ = first_;
first_ = this;
count_++;
}
static int count() { return count_; }
static RegisterThreadedTest* nth(int i) {
ASSERT(i < count());
RegisterThreadedTest* current = first_;
while (i > 0) {
i--;
current = current->prev_;
}
return current;
}
CcTest::TestFunction* callback() { return callback_; }
ApiTestFuzzer* fuzzer_;
private:
static RegisterThreadedTest* first_;
static int count_;
CcTest::TestFunction* callback_;
RegisterThreadedTest* prev_;
};
RegisterThreadedTest *RegisterThreadedTest::first_ = NULL;
int RegisterThreadedTest::count_ = 0;
static int signature_callback_count;
static v8::Handle<Value> IncrementingSignatureCallback(
const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
signature_callback_count++;
v8::Handle<v8::Array> result = v8::Array::New(args.Length());
for (int i = 0; i < args.Length(); i++)
result->Set(v8::Integer::New(i), args[i]);
return result;
}
static v8::Handle<Value> SignatureCallback(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
v8::Handle<v8::Array> result = v8::Array::New(args.Length());
for (int i = 0; i < args.Length(); i++) {
result->Set(v8::Integer::New(i), args[i]);
}
return result;
}
THREADED_TEST(Handles) {
v8::HandleScope scope;
Local<Context> local_env;
{
LocalContext env;
local_env = env.local();
}
// Local context should still be live.
CHECK(!local_env.IsEmpty());
local_env->Enter();
v8::Handle<v8::Primitive> undef = v8::Undefined();
CHECK(!undef.IsEmpty());
CHECK(undef->IsUndefined());
const char* c_source = "1 + 2 + 3";
Local<String> source = String::New(c_source);
Local<Script> script = Script::Compile(source);
CHECK_EQ(6, script->Run()->Int32Value());
local_env->Exit();
}
// Helper function that compiles and runs the source.
static Local<Value> CompileRun(const char* source) {
return Script::Compile(String::New(source))->Run();
}
THREADED_TEST(ReceiverSignature) {
v8::HandleScope scope;
LocalContext env;
v8::Handle<v8::FunctionTemplate> fun = v8::FunctionTemplate::New();
v8::Handle<v8::Signature> sig = v8::Signature::New(fun);
fun->PrototypeTemplate()->Set(
v8_str("m"),
v8::FunctionTemplate::New(IncrementingSignatureCallback,
v8::Handle<Value>(),
sig));
env->Global()->Set(v8_str("Fun"), fun->GetFunction());
signature_callback_count = 0;
CompileRun(
"var o = new Fun();"
"o.m();");
CHECK_EQ(1, signature_callback_count);
v8::Handle<v8::FunctionTemplate> sub_fun = v8::FunctionTemplate::New();
sub_fun->Inherit(fun);
env->Global()->Set(v8_str("SubFun"), sub_fun->GetFunction());
CompileRun(
"var o = new SubFun();"
"o.m();");
CHECK_EQ(2, signature_callback_count);
v8::TryCatch try_catch;
CompileRun(
"var o = { };"
"o.m = Fun.prototype.m;"
"o.m();");
CHECK_EQ(2, signature_callback_count);
CHECK(try_catch.HasCaught());
try_catch.Reset();
v8::Handle<v8::FunctionTemplate> unrel_fun = v8::FunctionTemplate::New();
sub_fun->Inherit(fun);
env->Global()->Set(v8_str("UnrelFun"), unrel_fun->GetFunction());
CompileRun(
"var o = new UnrelFun();"
"o.m = Fun.prototype.m;"
"o.m();");
CHECK_EQ(2, signature_callback_count);
CHECK(try_catch.HasCaught());
}
THREADED_TEST(ArgumentSignature) {
v8::HandleScope scope;
LocalContext env;
v8::Handle<v8::FunctionTemplate> cons = v8::FunctionTemplate::New();
cons->SetClassName(v8_str("Cons"));
v8::Handle<v8::Signature> sig =
v8::Signature::New(v8::Handle<v8::FunctionTemplate>(), 1, &cons);
v8::Handle<v8::FunctionTemplate> fun =
v8::FunctionTemplate::New(SignatureCallback, v8::Handle<Value>(), sig);
env->Global()->Set(v8_str("Cons"), cons->GetFunction());
env->Global()->Set(v8_str("Fun1"), fun->GetFunction());
v8::Handle<Value> value1 = CompileRun("Fun1(4) == '';");
ASSERT(value1->IsTrue());
v8::Handle<Value> value2 = CompileRun("Fun1(new Cons()) == '[object Cons]';");
ASSERT(value2->IsTrue());
v8::Handle<Value> value3 = CompileRun("Fun1() == '';");
ASSERT(value3->IsTrue());
v8::Handle<v8::FunctionTemplate> cons1 = v8::FunctionTemplate::New();
cons1->SetClassName(v8_str("Cons1"));
v8::Handle<v8::FunctionTemplate> cons2 = v8::FunctionTemplate::New();
cons2->SetClassName(v8_str("Cons2"));
v8::Handle<v8::FunctionTemplate> cons3 = v8::FunctionTemplate::New();
cons3->SetClassName(v8_str("Cons3"));
v8::Handle<v8::FunctionTemplate> args[3] = { cons1, cons2, cons3 };
v8::Handle<v8::Signature> wsig =
v8::Signature::New(v8::Handle<v8::FunctionTemplate>(), 3, args);
v8::Handle<v8::FunctionTemplate> fun2 =
v8::FunctionTemplate::New(SignatureCallback, v8::Handle<Value>(), wsig);
env->Global()->Set(v8_str("Cons1"), cons1->GetFunction());
env->Global()->Set(v8_str("Cons2"), cons2->GetFunction());
env->Global()->Set(v8_str("Cons3"), cons3->GetFunction());
env->Global()->Set(v8_str("Fun2"), fun2->GetFunction());
v8::Handle<Value> value4 = CompileRun(
"Fun2(new Cons1(), new Cons2(), new Cons3()) =="
"'[object Cons1],[object Cons2],[object Cons3]'");
ASSERT(value4->IsTrue());
v8::Handle<Value> value5 = CompileRun(
"Fun2(new Cons1(), new Cons2(), 5) == '[object Cons1],[object Cons2],'");
ASSERT(value5->IsTrue());
v8::Handle<Value> value6 = CompileRun(
"Fun2(new Cons3(), new Cons2(), new Cons1()) == ',[object Cons2],'");
ASSERT(value6->IsTrue());
v8::Handle<Value> value7 = CompileRun(
"Fun2(new Cons1(), new Cons2(), new Cons3(), 'd') == "
"'[object Cons1],[object Cons2],[object Cons3],d';");
ASSERT(value7->IsTrue());
v8::Handle<Value> value8 = CompileRun(
"Fun2(new Cons1(), new Cons2()) == '[object Cons1],[object Cons2]'");
ASSERT(value8->IsTrue());
}
THREADED_TEST(HulIgennem) {
v8::HandleScope scope;
LocalContext env;
v8::Handle<v8::Primitive> undef = v8::Undefined();
Local<String> undef_str = undef->ToString();
char* value = i::NewArray<char>(undef_str->Length() + 1);
undef_str->WriteAscii(value);
CHECK_EQ(0, strcmp(value, "undefined"));
i::DeleteArray(value);
}
THREADED_TEST(Access) {
v8::HandleScope scope;
LocalContext env;
Local<v8::Object> obj = v8::Object::New();
Local<Value> foo_before = obj->Get(v8_str("foo"));
CHECK(foo_before->IsUndefined());
Local<String> bar_str = v8_str("bar");
obj->Set(v8_str("foo"), bar_str);
Local<Value> foo_after = obj->Get(v8_str("foo"));
CHECK(!foo_after->IsUndefined());
CHECK(foo_after->IsString());
CHECK_EQ(bar_str, foo_after);
}
THREADED_TEST(Script) {
v8::HandleScope scope;
LocalContext env;
const char* c_source = "1 + 2 + 3";
Local<String> source = String::New(c_source);
Local<Script> script = Script::Compile(source);
CHECK_EQ(6, script->Run()->Int32Value());
}
static uint16_t* AsciiToTwoByteString(const char* source) {
size_t array_length = strlen(source) + 1;
uint16_t* converted = i::NewArray<uint16_t>(array_length);
for (size_t i = 0; i < array_length; i++) converted[i] = source[i];
return converted;
}
class TestResource: public String::ExternalStringResource {
public:
static int dispose_count;
explicit TestResource(uint16_t* data)
: data_(data), length_(0) {
while (data[length_]) ++length_;
}
~TestResource() {
i::DeleteArray(data_);
++dispose_count;
}
const uint16_t* data() const {
return data_;
}
size_t length() const {
return length_;
}
private:
uint16_t* data_;
size_t length_;
};
int TestResource::dispose_count = 0;
class TestAsciiResource: public String::ExternalAsciiStringResource {
public:
static int dispose_count;
explicit TestAsciiResource(char* data)
: data_(data),
length_(strlen(data)) { }
~TestAsciiResource() {
i::DeleteArray(data_);
++dispose_count;
}
const char* data() const {
return data_;
}
size_t length() const {
return length_;
}
private:
char* data_;
size_t length_;
};
int TestAsciiResource::dispose_count = 0;
THREADED_TEST(ScriptUsingStringResource) {
TestResource::dispose_count = 0;
const char* c_source = "1 + 2 * 3";
uint16_t* two_byte_source = AsciiToTwoByteString(c_source);
{
v8::HandleScope scope;
LocalContext env;
TestResource* resource = new TestResource(two_byte_source);
Local<String> source = String::NewExternal(resource);
Local<Script> script = Script::Compile(source);
Local<Value> value = script->Run();
CHECK(value->IsNumber());
CHECK_EQ(7, value->Int32Value());
CHECK(source->IsExternal());
CHECK_EQ(resource,
static_cast<TestResource*>(source->GetExternalStringResource()));
v8::internal::Heap::CollectAllGarbage();
CHECK_EQ(0, TestResource::dispose_count);
}
v8::internal::Heap::CollectAllGarbage();
CHECK_EQ(1, TestResource::dispose_count);
}
THREADED_TEST(ScriptUsingAsciiStringResource) {
TestAsciiResource::dispose_count = 0;
const char* c_source = "1 + 2 * 3";
{
v8::HandleScope scope;
LocalContext env;
Local<String> source =
String::NewExternal(new TestAsciiResource(i::StrDup(c_source)));
Local<Script> script = Script::Compile(source);
Local<Value> value = script->Run();
CHECK(value->IsNumber());
CHECK_EQ(7, value->Int32Value());
v8::internal::Heap::CollectAllGarbage();
CHECK_EQ(0, TestAsciiResource::dispose_count);
}
v8::internal::Heap::CollectAllGarbage();
CHECK_EQ(1, TestAsciiResource::dispose_count);
}
THREADED_TEST(ScriptMakingExternalString) {
TestResource::dispose_count = 0;
uint16_t* two_byte_source = AsciiToTwoByteString("1 + 2 * 3");
{
v8::HandleScope scope;
LocalContext env;
Local<String> source = String::New(two_byte_source);
bool success = source->MakeExternal(new TestResource(two_byte_source));
CHECK(success);
Local<Script> script = Script::Compile(source);
Local<Value> value = script->Run();
CHECK(value->IsNumber());
CHECK_EQ(7, value->Int32Value());
v8::internal::Heap::CollectAllGarbage();
CHECK_EQ(0, TestResource::dispose_count);
}
v8::internal::Heap::CollectAllGarbage();
CHECK_EQ(1, TestResource::dispose_count);
}
THREADED_TEST(ScriptMakingExternalAsciiString) {
TestAsciiResource::dispose_count = 0;
const char* c_source = "1 + 2 * 3";
{
v8::HandleScope scope;
LocalContext env;
Local<String> source = v8_str(c_source);
bool success = source->MakeExternal(
new TestAsciiResource(i::StrDup(c_source)));
CHECK(success);
Local<Script> script = Script::Compile(source);
Local<Value> value = script->Run();
CHECK(value->IsNumber());
CHECK_EQ(7, value->Int32Value());
v8::internal::Heap::CollectAllGarbage();
CHECK_EQ(0, TestAsciiResource::dispose_count);
}
v8::internal::Heap::CollectAllGarbage();
CHECK_EQ(1, TestAsciiResource::dispose_count);
}
THREADED_TEST(UsingExternalString) {
v8::HandleScope scope;
uint16_t* two_byte_string = AsciiToTwoByteString("test string");
Local<String> string = String::NewExternal(new TestResource(two_byte_string));
i::Handle<i::String> istring = v8::Utils::OpenHandle(*string);
// Trigger GCs so that the newly allocated string moves to old gen.
i::Heap::CollectGarbage(0, i::NEW_SPACE); // in survivor space now
i::Heap::CollectGarbage(0, i::NEW_SPACE); // in old gen now
i::Handle<i::String> isymbol = i::Factory::SymbolFromString(istring);
CHECK(isymbol->IsSymbol());
}
THREADED_TEST(UsingExternalAsciiString) {
v8::HandleScope scope;
const char* one_byte_string = "test string";
Local<String> string = String::NewExternal(
new TestAsciiResource(i::StrDup(one_byte_string)));
i::Handle<i::String> istring = v8::Utils::OpenHandle(*string);
// Trigger GCs so that the newly allocated string moves to old gen.
i::Heap::CollectGarbage(0, i::NEW_SPACE); // in survivor space now
i::Heap::CollectGarbage(0, i::NEW_SPACE); // in old gen now
i::Handle<i::String> isymbol = i::Factory::SymbolFromString(istring);
CHECK(isymbol->IsSymbol());
}
THREADED_TEST(GlobalProperties) {
v8::HandleScope scope;
LocalContext env;
v8::Handle<v8::Object> global = env->Global();
global->Set(v8_str("pi"), v8_num(3.1415926));
Local<Value> pi = global->Get(v8_str("pi"));
CHECK_EQ(3.1415926, pi->NumberValue());
}
static v8::Handle<Value> handle_call(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
return v8_num(102);
}
static v8::Handle<Value> construct_call(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
args.This()->Set(v8_str("x"), v8_num(1));
args.This()->Set(v8_str("y"), v8_num(2));
return args.This();
}
THREADED_TEST(FunctionTemplate) {
v8::HandleScope scope;
LocalContext env;
{
Local<v8::FunctionTemplate> fun_templ =
v8::FunctionTemplate::New(handle_call);
Local<Function> fun = fun_templ->GetFunction();
env->Global()->Set(v8_str("obj"), fun);
Local<Script> script = v8_compile("obj()");
CHECK_EQ(102, script->Run()->Int32Value());
}
// Use SetCallHandler to initialize a function template, should work like the
// previous one.
{
Local<v8::FunctionTemplate> fun_templ = v8::FunctionTemplate::New();
fun_templ->SetCallHandler(handle_call);
Local<Function> fun = fun_templ->GetFunction();
env->Global()->Set(v8_str("obj"), fun);
Local<Script> script = v8_compile("obj()");
CHECK_EQ(102, script->Run()->Int32Value());
}
// Test constructor calls.
{
Local<v8::FunctionTemplate> fun_templ =
v8::FunctionTemplate::New(construct_call);
fun_templ->SetClassName(v8_str("funky"));
Local<Function> fun = fun_templ->GetFunction();
env->Global()->Set(v8_str("obj"), fun);
Local<Script> script = v8_compile("var s = new obj(); s.x");
CHECK_EQ(1, script->Run()->Int32Value());
Local<Value> result = v8_compile("(new obj()).toString()")->Run();
CHECK_EQ(v8_str("[object funky]"), result);
}
}
static v8::Handle<Value> handle_property(Local<String> name,
const AccessorInfo&) {
ApiTestFuzzer::Fuzz();
return v8_num(900);
}
THREADED_TEST(PropertyHandler) {
v8::HandleScope scope;
Local<v8::FunctionTemplate> fun_templ = v8::FunctionTemplate::New();
fun_templ->InstanceTemplate()->SetAccessor(v8_str("foo"), handle_property);
LocalContext env;
Local<Function> fun = fun_templ->GetFunction();
env->Global()->Set(v8_str("Fun"), fun);
Local<Script> getter = v8_compile("var obj = new Fun(); obj.foo;");
CHECK_EQ(900, getter->Run()->Int32Value());
Local<Script> setter = v8_compile("obj.foo = 901;");
CHECK_EQ(901, setter->Run()->Int32Value());
}
THREADED_TEST(Number) {
v8::HandleScope scope;
LocalContext env;
double PI = 3.1415926;
Local<v8::Number> pi_obj = v8::Number::New(PI);
CHECK_EQ(PI, pi_obj->NumberValue());
}
THREADED_TEST(ToNumber) {
v8::HandleScope scope;
LocalContext env;
Local<String> str = v8_str("3.1415926");
CHECK_EQ(3.1415926, str->NumberValue());
v8::Handle<v8::Boolean> t = v8::True();
CHECK_EQ(1.0, t->NumberValue());
v8::Handle<v8::Boolean> f = v8::False();
CHECK_EQ(0.0, f->NumberValue());
}
THREADED_TEST(Date) {
v8::HandleScope scope;
LocalContext env;
double PI = 3.1415926;
Local<Value> date_obj = v8::Date::New(PI);
CHECK_EQ(3.0, date_obj->NumberValue());
}
THREADED_TEST(Boolean) {
v8::HandleScope scope;
LocalContext env;
v8::Handle<v8::Boolean> t = v8::True();
CHECK(t->Value());
v8::Handle<v8::Boolean> f = v8::False();
CHECK(!f->Value());
v8::Handle<v8::Primitive> u = v8::Undefined();
CHECK(!u->BooleanValue());
v8::Handle<v8::Primitive> n = v8::Null();
CHECK(!n->BooleanValue());
v8::Handle<String> str1 = v8_str("");
CHECK(!str1->BooleanValue());
v8::Handle<String> str2 = v8_str("x");
CHECK(str2->BooleanValue());
CHECK(!v8::Number::New(0)->BooleanValue());
CHECK(v8::Number::New(-1)->BooleanValue());
CHECK(v8::Number::New(1)->BooleanValue());
CHECK(v8::Number::New(42)->BooleanValue());
CHECK(!v8_compile("NaN")->Run()->BooleanValue());
}
static v8::Handle<Value> DummyCallHandler(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
return v8_num(13.4);
}
static v8::Handle<Value> GetM(Local<String> name, const AccessorInfo&) {
ApiTestFuzzer::Fuzz();
return v8_num(876);
}
THREADED_TEST(GlobalPrototype) {
v8::HandleScope scope;
v8::Handle<v8::FunctionTemplate> func_templ = v8::FunctionTemplate::New();
func_templ->PrototypeTemplate()->Set(
"dummy",
v8::FunctionTemplate::New(DummyCallHandler));
v8::Handle<ObjectTemplate> templ = func_templ->InstanceTemplate();
templ->Set("x", v8_num(200));
templ->SetAccessor(v8_str("m"), GetM);
LocalContext env(0, templ);
v8::Handle<v8::Object> obj = env->Global();
v8::Handle<Script> script = v8_compile("dummy()");
v8::Handle<Value> result = script->Run();
CHECK_EQ(13.4, result->NumberValue());
CHECK_EQ(200, v8_compile("x")->Run()->Int32Value());
CHECK_EQ(876, v8_compile("m")->Run()->Int32Value());
}
static v8::Handle<Value> GetIntValue(Local<String> property,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
int* value =
static_cast<int*>(v8::Handle<v8::External>::Cast(info.Data())->Value());
return v8_num(*value);
}
static void SetIntValue(Local<String> property,
Local<Value> value,
const AccessorInfo& info) {
int* field =
static_cast<int*>(v8::Handle<v8::External>::Cast(info.Data())->Value());
*field = value->Int32Value();
}
int foo, bar, baz;
THREADED_TEST(GlobalVariableAccess) {
foo = 0;
bar = -4;
baz = 10;
v8::HandleScope scope;
v8::Handle<v8::FunctionTemplate> templ = v8::FunctionTemplate::New();
templ->InstanceTemplate()->SetAccessor(v8_str("foo"),
GetIntValue,
SetIntValue,
v8::External::New(&foo));
templ->InstanceTemplate()->SetAccessor(v8_str("bar"),
GetIntValue,
SetIntValue,
v8::External::New(&bar));
templ->InstanceTemplate()->SetAccessor(v8_str("baz"),
GetIntValue,
SetIntValue,
v8::External::New(&baz));
LocalContext env(0, templ->InstanceTemplate());
v8_compile("foo = (++bar) + baz")->Run();
CHECK_EQ(bar, -3);
CHECK_EQ(foo, 7);
}
THREADED_TEST(ObjectTemplate) {
v8::HandleScope scope;
Local<ObjectTemplate> templ1 = ObjectTemplate::New();
templ1->Set("x", v8_num(10));
templ1->Set("y", v8_num(13));
LocalContext env;
Local<v8::Object> instance1 = templ1->NewInstance();
env->Global()->Set(v8_str("p"), instance1);
CHECK(v8_compile("(p.x == 10)")->Run()->BooleanValue());
CHECK(v8_compile("(p.y == 13)")->Run()->BooleanValue());
Local<v8::FunctionTemplate> fun = v8::FunctionTemplate::New();
fun->PrototypeTemplate()->Set("nirk", v8_num(123));
Local<ObjectTemplate> templ2 = fun->InstanceTemplate();
templ2->Set("a", v8_num(12));
templ2->Set("b", templ1);
Local<v8::Object> instance2 = templ2->NewInstance();
env->Global()->Set(v8_str("q"), instance2);
CHECK(v8_compile("(q.nirk == 123)")->Run()->BooleanValue());
CHECK(v8_compile("(q.a == 12)")->Run()->BooleanValue());
CHECK(v8_compile("(q.b.x == 10)")->Run()->BooleanValue());
CHECK(v8_compile("(q.b.y == 13)")->Run()->BooleanValue());
}
static v8::Handle<Value> GetFlabby(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
return v8_num(17.2);
}
static v8::Handle<Value> GetKnurd(Local<String> property, const AccessorInfo&) {
ApiTestFuzzer::Fuzz();
return v8_num(15.2);
}
THREADED_TEST(DescriptorInheritance) {
v8::HandleScope scope;
v8::Handle<v8::FunctionTemplate> super = v8::FunctionTemplate::New();
super->PrototypeTemplate()->Set("flabby",
v8::FunctionTemplate::New(GetFlabby));
super->PrototypeTemplate()->Set("PI", v8_num(3.14));
super->InstanceTemplate()->SetAccessor(v8_str("knurd"), GetKnurd);
v8::Handle<v8::FunctionTemplate> base1 = v8::FunctionTemplate::New();
base1->Inherit(super);
base1->PrototypeTemplate()->Set("v1", v8_num(20.1));
v8::Handle<v8::FunctionTemplate> base2 = v8::FunctionTemplate::New();
base2->Inherit(super);
base2->PrototypeTemplate()->Set("v2", v8_num(10.1));
LocalContext env;
env->Global()->Set(v8_str("s"), super->GetFunction());
env->Global()->Set(v8_str("base1"), base1->GetFunction());
env->Global()->Set(v8_str("base2"), base2->GetFunction());
// Checks right __proto__ chain.
CHECK(CompileRun("base1.prototype.__proto__ == s.prototype")->BooleanValue());
CHECK(CompileRun("base2.prototype.__proto__ == s.prototype")->BooleanValue());
CHECK(v8_compile("s.prototype.PI == 3.14")->Run()->BooleanValue());
// Instance accessor should not be visible on function object or its prototype
CHECK(CompileRun("s.knurd == undefined")->BooleanValue());
CHECK(CompileRun("s.prototype.knurd == undefined")->BooleanValue());
CHECK(CompileRun("base1.prototype.knurd == undefined")->BooleanValue());
env->Global()->Set(v8_str("obj"),
base1->GetFunction()->NewInstance());
CHECK_EQ(17.2, v8_compile("obj.flabby()")->Run()->NumberValue());
CHECK(v8_compile("'flabby' in obj")->Run()->BooleanValue());
CHECK_EQ(15.2, v8_compile("obj.knurd")->Run()->NumberValue());
CHECK(v8_compile("'knurd' in obj")->Run()->BooleanValue());
CHECK_EQ(20.1, v8_compile("obj.v1")->Run()->NumberValue());
env->Global()->Set(v8_str("obj2"),
base2->GetFunction()->NewInstance());
CHECK_EQ(17.2, v8_compile("obj2.flabby()")->Run()->NumberValue());
CHECK(v8_compile("'flabby' in obj2")->Run()->BooleanValue());
CHECK_EQ(15.2, v8_compile("obj2.knurd")->Run()->NumberValue());
CHECK(v8_compile("'knurd' in obj2")->Run()->BooleanValue());
CHECK_EQ(10.1, v8_compile("obj2.v2")->Run()->NumberValue());
// base1 and base2 cannot cross reference to each's prototype
CHECK(v8_compile("obj.v2")->Run()->IsUndefined());
CHECK(v8_compile("obj2.v1")->Run()->IsUndefined());
}
int echo_named_call_count;
static v8::Handle<Value> EchoNamedProperty(Local<String> name,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
CHECK_EQ(v8_str("data"), info.Data());
echo_named_call_count++;
return name;
}
THREADED_TEST(NamedPropertyHandlerGetter) {
echo_named_call_count = 0;
v8::HandleScope scope;
v8::Handle<v8::FunctionTemplate> templ = v8::FunctionTemplate::New();
templ->InstanceTemplate()->SetNamedPropertyHandler(EchoNamedProperty,
0, 0, 0, 0,
v8_str("data"));
LocalContext env;
env->Global()->Set(v8_str("obj"),
templ->GetFunction()->NewInstance());
CHECK_EQ(echo_named_call_count, 0);
v8_compile("obj.x")->Run();
CHECK_EQ(echo_named_call_count, 1);
const char* code = "var str = 'oddle'; obj[str] + obj.poddle;";
v8::Handle<Value> str = CompileRun(code);
String::AsciiValue value(str);
CHECK_EQ(*value, "oddlepoddle");
// Check default behavior
CHECK_EQ(v8_compile("obj.flob = 10;")->Run()->Int32Value(), 10);
CHECK(v8_compile("'myProperty' in obj")->Run()->BooleanValue());
CHECK(v8_compile("delete obj.myProperty")->Run()->BooleanValue());
}
int echo_indexed_call_count = 0;
static v8::Handle<Value> EchoIndexedProperty(uint32_t index,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
CHECK_EQ(v8_num(637), info.Data());
echo_indexed_call_count++;
return v8_num(index);
}
THREADED_TEST(IndexedPropertyHandlerGetter) {
v8::HandleScope scope;
v8::Handle<v8::FunctionTemplate> templ = v8::FunctionTemplate::New();
templ->InstanceTemplate()->SetIndexedPropertyHandler(EchoIndexedProperty,
0, 0, 0, 0,
v8_num(637));
LocalContext env;
env->Global()->Set(v8_str("obj"),
templ->GetFunction()->NewInstance());
Local<Script> script = v8_compile("obj[900]");
CHECK_EQ(script->Run()->Int32Value(), 900);
}
v8::Handle<v8::Object> bottom;
static v8::Handle<Value> CheckThisIndexedPropertyHandler(
uint32_t index,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
CHECK(info.This()->Equals(bottom));
return v8::Handle<Value>();
}
static v8::Handle<Value> CheckThisNamedPropertyHandler(
Local<String> name,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
CHECK(info.This()->Equals(bottom));
return v8::Handle<Value>();
}
v8::Handle<Value> CheckThisIndexedPropertySetter(uint32_t index,
Local<Value> value,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
CHECK(info.This()->Equals(bottom));
return v8::Handle<Value>();
}
v8::Handle<Value> CheckThisNamedPropertySetter(Local<String> property,
Local<Value> value,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
CHECK(info.This()->Equals(bottom));
return v8::Handle<Value>();
}
v8::Handle<v8::Boolean> CheckThisIndexedPropertyQuery(
uint32_t index,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
CHECK(info.This()->Equals(bottom));
return v8::Handle<v8::Boolean>();
}
v8::Handle<v8::Boolean> CheckThisNamedPropertyQuery(Local<String> property,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
CHECK(info.This()->Equals(bottom));
return v8::Handle<v8::Boolean>();
}
v8::Handle<v8::Boolean> CheckThisIndexedPropertyDeleter(
uint32_t index,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
CHECK(info.This()->Equals(bottom));
return v8::Handle<v8::Boolean>();
}
v8::Handle<v8::Boolean> CheckThisNamedPropertyDeleter(
Local<String> property,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
CHECK(info.This()->Equals(bottom));
return v8::Handle<v8::Boolean>();
}
v8::Handle<v8::Array> CheckThisIndexedPropertyEnumerator(
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
CHECK(info.This()->Equals(bottom));
return v8::Handle<v8::Array>();
}
v8::Handle<v8::Array> CheckThisNamedPropertyEnumerator(
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
CHECK(info.This()->Equals(bottom));
return v8::Handle<v8::Array>();
}
THREADED_TEST(PropertyHandlerInPrototype) {
v8::HandleScope scope;
LocalContext env;
// Set up a prototype chain with three interceptors.
v8::Handle<v8::FunctionTemplate> templ = v8::FunctionTemplate::New();
templ->InstanceTemplate()->SetIndexedPropertyHandler(
CheckThisIndexedPropertyHandler,
CheckThisIndexedPropertySetter,
CheckThisIndexedPropertyQuery,
CheckThisIndexedPropertyDeleter,
CheckThisIndexedPropertyEnumerator);
templ->InstanceTemplate()->SetNamedPropertyHandler(
CheckThisNamedPropertyHandler,
CheckThisNamedPropertySetter,
CheckThisNamedPropertyQuery,
CheckThisNamedPropertyDeleter,
CheckThisNamedPropertyEnumerator);
bottom = templ->GetFunction()->NewInstance();
Local<v8::Object> top = templ->GetFunction()->NewInstance();
Local<v8::Object> middle = templ->GetFunction()->NewInstance();
bottom->Set(v8_str("__proto__"), middle);
middle->Set(v8_str("__proto__"), top);
env->Global()->Set(v8_str("obj"), bottom);
// Indexed and named get.
Script::Compile(v8_str("obj[0]"))->Run();
Script::Compile(v8_str("obj.x"))->Run();
// Indexed and named set.
Script::Compile(v8_str("obj[1] = 42"))->Run();
Script::Compile(v8_str("obj.y = 42"))->Run();
// Indexed and named query.
Script::Compile(v8_str("0 in obj"))->Run();
Script::Compile(v8_str("'x' in obj"))->Run();
// Indexed and named deleter.
Script::Compile(v8_str("delete obj[0]"))->Run();
Script::Compile(v8_str("delete obj.x"))->Run();
// Enumerators.
Script::Compile(v8_str("for (var p in obj) ;"))->Run();
}
static v8::Handle<Value> PrePropertyHandlerGet(Local<String> key,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
if (v8_str("pre")->Equals(key)) {
return v8_str("PrePropertyHandler: pre");
}
return v8::Handle<String>();
}
static v8::Handle<v8::Boolean> PrePropertyHandlerHas(Local<String> key,
const AccessorInfo&) {
if (v8_str("pre")->Equals(key)) {
return v8::True();
}
return v8::Handle<v8::Boolean>(); // do not intercept the call
}
THREADED_TEST(PrePropertyHandler) {
v8::HandleScope scope;
v8::Handle<v8::FunctionTemplate> desc = v8::FunctionTemplate::New();
desc->InstanceTemplate()->SetNamedPropertyHandler(PrePropertyHandlerGet,
0,
PrePropertyHandlerHas);
LocalContext env(NULL, desc->InstanceTemplate());
Script::Compile(v8_str(
"var pre = 'Object: pre'; var on = 'Object: on';"))->Run();
v8::Handle<Value> result_pre = Script::Compile(v8_str("pre"))->Run();
CHECK_EQ(v8_str("PrePropertyHandler: pre"), result_pre);
v8::Handle<Value> result_on = Script::Compile(v8_str("on"))->Run();
CHECK_EQ(v8_str("Object: on"), result_on);
v8::Handle<Value> result_post = Script::Compile(v8_str("post"))->Run();
CHECK(result_post.IsEmpty());
}
THREADED_TEST(UndefinedIsNotEnumerable) {
v8::HandleScope scope;
LocalContext env;
v8::Handle<Value> result = Script::Compile(v8_str(
"this.propertyIsEnumerable(undefined)"))->Run();
CHECK(result->IsFalse());
}
v8::Handle<Script> call_recursively_script;
static const int kTargetRecursionDepth = 300; // near maximum
static v8::Handle<Value> CallScriptRecursivelyCall(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
int depth = args.This()->Get(v8_str("depth"))->Int32Value();
if (depth == kTargetRecursionDepth) return v8::Undefined();
args.This()->Set(v8_str("depth"), v8::Integer::New(depth + 1));
return call_recursively_script->Run();
}
static v8::Handle<Value> CallFunctionRecursivelyCall(
const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
int depth = args.This()->Get(v8_str("depth"))->Int32Value();
if (depth == kTargetRecursionDepth) {
printf("[depth = %d]\n", depth);
return v8::Undefined();
}
args.This()->Set(v8_str("depth"), v8::Integer::New(depth + 1));
v8::Handle<Value> function =
args.This()->Get(v8_str("callFunctionRecursively"));
return v8::Handle<Function>::Cast(function)->Call(args.This(), 0, NULL);
}
THREADED_TEST(DeepCrossLanguageRecursion) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> global = ObjectTemplate::New();
global->Set(v8_str("callScriptRecursively"),
v8::FunctionTemplate::New(CallScriptRecursivelyCall));
global->Set(v8_str("callFunctionRecursively"),
v8::FunctionTemplate::New(CallFunctionRecursivelyCall));
LocalContext env(NULL, global);
env->Global()->Set(v8_str("depth"), v8::Integer::New(0));
call_recursively_script = v8_compile("callScriptRecursively()");
v8::Handle<Value> result = call_recursively_script->Run();
call_recursively_script = v8::Handle<Script>();
env->Global()->Set(v8_str("depth"), v8::Integer::New(0));
Script::Compile(v8_str("callFunctionRecursively()"))->Run();
}
static v8::Handle<Value>
ThrowingPropertyHandlerGet(Local<String> key, const AccessorInfo&) {
ApiTestFuzzer::Fuzz();
return v8::ThrowException(key);
}
static v8::Handle<Value> ThrowingPropertyHandlerSet(Local<String> key,
Local<Value>,
const AccessorInfo&) {
v8::ThrowException(key);
return v8::Undefined(); // not the same as v8::Handle<v8::Value>()
}
THREADED_TEST(CallbackExceptionRegression) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> obj = ObjectTemplate::New();
obj->SetNamedPropertyHandler(ThrowingPropertyHandlerGet,
ThrowingPropertyHandlerSet);
LocalContext env;
env->Global()->Set(v8_str("obj"), obj->NewInstance());
v8::Handle<Value> otto = Script::Compile(v8_str(
"try { with (obj) { otto; } } catch (e) { e; }"))->Run();
CHECK_EQ(v8_str("otto"), otto);
v8::Handle<Value> netto = Script::Compile(v8_str(
"try { with (obj) { netto = 4; } } catch (e) { e; }"))->Run();
CHECK_EQ(v8_str("netto"), netto);
}
static v8::Handle<Value> ThrowingGetAccessor(Local<String> name,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
return v8::ThrowException(v8_str("g"));
}
static void ThrowingSetAccessor(Local<String> name,
Local<Value> value,
const AccessorInfo& info) {
v8::ThrowException(value);
}
THREADED_TEST(Regress1054726) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> obj = ObjectTemplate::New();
obj->SetAccessor(v8_str("x"),
ThrowingGetAccessor,
ThrowingSetAccessor,
Local<Value>());
LocalContext env;
env->Global()->Set(v8_str("obj"), obj->NewInstance());
// Use the throwing property setter/getter in a loop to force
// the accessor ICs to be initialized.
v8::Handle<Value> result;
result = Script::Compile(v8_str(
"var result = '';"
"for (var i = 0; i < 5; i++) {"
" try { obj.x; } catch (e) { result += e; }"
"}; result"))->Run();
CHECK_EQ(v8_str("ggggg"), result);
result = Script::Compile(String::New(
"var result = '';"
"for (var i = 0; i < 5; i++) {"
" try { obj.x = i; } catch (e) { result += e; }"
"}; result"))->Run();
CHECK_EQ(v8_str("01234"), result);
}
THREADED_TEST(FunctionPrototype) {
v8::HandleScope scope;
Local<v8::FunctionTemplate> Foo = v8::FunctionTemplate::New();
Foo->PrototypeTemplate()->Set(v8_str("plak"), v8_num(321));
LocalContext env;
env->Global()->Set(v8_str("Foo"), Foo->GetFunction());
Local<Script> script = Script::Compile(v8_str("Foo.prototype.plak"));
CHECK_EQ(script->Run()->Int32Value(), 321);
}
THREADED_TEST(InternalFields) {
v8::HandleScope scope;
LocalContext env;
Local<v8::FunctionTemplate> templ = v8::FunctionTemplate::New();
Local<v8::ObjectTemplate> instance_templ = templ->InstanceTemplate();
instance_templ->SetInternalFieldCount(1);
Local<v8::Object> obj = templ->GetFunction()->NewInstance();
CHECK_EQ(1, obj->InternalFieldCount());
CHECK(obj->GetInternalField(0)->IsUndefined());
obj->SetInternalField(0, v8_num(17));
CHECK_EQ(17, obj->GetInternalField(0)->Int32Value());
}
THREADED_TEST(IdentityHash) {
v8::HandleScope scope;
LocalContext env;
// Ensure that the test starts with an fresh heap to test whether the hash
// code is based on the address.
i::Heap::CollectAllGarbage();
Local<v8::Object> obj = v8::Object::New();
int hash = obj->GetIdentityHash();
int hash1 = obj->GetIdentityHash();
CHECK_EQ(hash, hash1);
int hash2 = v8::Object::New()->GetIdentityHash();
// Since the identity hash is essentially a random number two consecutive
// objects should not be assigned the same hash code. If the test below fails
// the random number generator should be evaluated.
CHECK_NE(hash, hash2);
i::Heap::CollectAllGarbage();
int hash3 = v8::Object::New()->GetIdentityHash();
// Make sure that the identity hash is not based on the initial address of
// the object alone. If the test below fails the random number generator
// should be evaluated.
CHECK_NE(hash, hash3);
int hash4 = obj->GetIdentityHash();
CHECK_EQ(hash, hash4);
}
THREADED_TEST(HiddenProperties) {
v8::HandleScope scope;
LocalContext env;
v8::Local<v8::Object> obj = v8::Object::New();
v8::Local<v8::String> key = v8_str("api-test::hidden-key");
v8::Local<v8::String> empty = v8_str("");
v8::Local<v8::String> prop_name = v8_str("prop_name");
i::Heap::CollectAllGarbage();
// Make sure delete of a non-existent hidden value works
CHECK(obj->DeleteHiddenValue(key));
CHECK(obj->SetHiddenValue(key, v8::Integer::New(1503)));
CHECK_EQ(1503, obj->GetHiddenValue(key)->Int32Value());
CHECK(obj->SetHiddenValue(key, v8::Integer::New(2002)));
CHECK_EQ(2002, obj->GetHiddenValue(key)->Int32Value());
i::Heap::CollectAllGarbage();
// Make sure we do not find the hidden property.
CHECK(!obj->Has(empty));
CHECK_EQ(2002, obj->GetHiddenValue(key)->Int32Value());
CHECK(obj->Get(empty)->IsUndefined());
CHECK_EQ(2002, obj->GetHiddenValue(key)->Int32Value());
CHECK(obj->Set(empty, v8::Integer::New(2003)));
CHECK_EQ(2002, obj->GetHiddenValue(key)->Int32Value());
CHECK_EQ(2003, obj->Get(empty)->Int32Value());
i::Heap::CollectAllGarbage();
// Add another property and delete it afterwards to force the object in
// slow case.
CHECK(obj->Set(prop_name, v8::Integer::New(2008)));
CHECK_EQ(2002, obj->GetHiddenValue(key)->Int32Value());
CHECK_EQ(2008, obj->Get(prop_name)->Int32Value());
CHECK_EQ(2002, obj->GetHiddenValue(key)->Int32Value());
CHECK(obj->Delete(prop_name));
CHECK_EQ(2002, obj->GetHiddenValue(key)->Int32Value());
i::Heap::CollectAllGarbage();
CHECK(obj->DeleteHiddenValue(key));
CHECK(obj->GetHiddenValue(key).IsEmpty());
}
THREADED_TEST(External) {
v8::HandleScope scope;
int x = 3;
Local<v8::External> ext = v8::External::New(&x);
LocalContext env;
env->Global()->Set(v8_str("ext"), ext);
Local<Value> reext_obj = Script::Compile(v8_str("this.ext"))->Run();
v8::Handle<v8::External> reext = v8::Handle<v8::External>::Cast(reext_obj);
int* ptr = static_cast<int*>(reext->Value());
CHECK_EQ(x, 3);
*ptr = 10;
CHECK_EQ(x, 10);
// Make sure unaligned pointers are wrapped properly.
char* data = i::StrDup("0123456789");
Local<v8::Value> zero = v8::External::Wrap(&data[0]);
Local<v8::Value> one = v8::External::Wrap(&data[1]);
Local<v8::Value> two = v8::External::Wrap(&data[2]);
Local<v8::Value> three = v8::External::Wrap(&data[3]);
char* char_ptr = reinterpret_cast<char*>(v8::External::Unwrap(zero));
CHECK_EQ('0', *char_ptr);
char_ptr = reinterpret_cast<char*>(v8::External::Unwrap(one));
CHECK_EQ('1', *char_ptr);
char_ptr = reinterpret_cast<char*>(v8::External::Unwrap(two));
CHECK_EQ('2', *char_ptr);
char_ptr = reinterpret_cast<char*>(v8::External::Unwrap(three));
CHECK_EQ('3', *char_ptr);
i::DeleteArray(data);
}
THREADED_TEST(GlobalHandle) {
v8::Persistent<String> global;
{
v8::HandleScope scope;
Local<String> str = v8_str("str");
global = v8::Persistent<String>::New(str);
}
CHECK_EQ(global->Length(), 3);
global.Dispose();
}
THREADED_TEST(ScriptException) {
v8::HandleScope scope;
LocalContext env;
Local<Script> script = Script::Compile(v8_str("throw 'panama!';"));
v8::TryCatch try_catch;
Local<Value> result = script->Run();
CHECK(result.IsEmpty());
CHECK(try_catch.HasCaught());
String::AsciiValue exception_value(try_catch.Exception());
CHECK_EQ(*exception_value, "panama!");
}
bool message_received;
static void check_message(v8::Handle<v8::Message> message,
v8::Handle<Value> data) {
CHECK_EQ(5.76, data->NumberValue());
CHECK_EQ(6.75, message->GetScriptResourceName()->NumberValue());
message_received = true;
}
THREADED_TEST(MessageHandlerData) {
message_received = false;
v8::HandleScope scope;
CHECK(!message_received);
v8::V8::AddMessageListener(check_message, v8_num(5.76));
LocalContext context;
v8::ScriptOrigin origin =
v8::ScriptOrigin(v8_str("6.75"));
Script::Compile(v8_str("throw 'error'"), &origin)->Run();
CHECK(message_received);
// clear out the message listener
v8::V8::RemoveMessageListeners(check_message);
}
THREADED_TEST(GetSetProperty) {
v8::HandleScope scope;
LocalContext context;
context->Global()->Set(v8_str("foo"), v8_num(14));
context->Global()->Set(v8_str("12"), v8_num(92));
context->Global()->Set(v8::Integer::New(16), v8_num(32));
context->Global()->Set(v8_num(13), v8_num(56));
Local<Value> foo = Script::Compile(v8_str("this.foo"))->Run();
CHECK_EQ(14, foo->Int32Value());
Local<Value> twelve = Script::Compile(v8_str("this[12]"))->Run();
CHECK_EQ(92, twelve->Int32Value());
Local<Value> sixteen = Script::Compile(v8_str("this[16]"))->Run();
CHECK_EQ(32, sixteen->Int32Value());
Local<Value> thirteen = Script::Compile(v8_str("this[13]"))->Run();
CHECK_EQ(56, thirteen->Int32Value());
CHECK_EQ(92, context->Global()->Get(v8::Integer::New(12))->Int32Value());
CHECK_EQ(92, context->Global()->Get(v8_str("12"))->Int32Value());
CHECK_EQ(92, context->Global()->Get(v8_num(12))->Int32Value());
CHECK_EQ(32, context->Global()->Get(v8::Integer::New(16))->Int32Value());
CHECK_EQ(32, context->Global()->Get(v8_str("16"))->Int32Value());
CHECK_EQ(32, context->Global()->Get(v8_num(16))->Int32Value());
CHECK_EQ(56, context->Global()->Get(v8::Integer::New(13))->Int32Value());
CHECK_EQ(56, context->Global()->Get(v8_str("13"))->Int32Value());
CHECK_EQ(56, context->Global()->Get(v8_num(13))->Int32Value());
}
THREADED_TEST(PropertyAttributes) {
v8::HandleScope scope;
LocalContext context;
// read-only
Local<String> prop = v8_str("read_only");
context->Global()->Set(prop, v8_num(7), v8::ReadOnly);
CHECK_EQ(7, context->Global()->Get(prop)->Int32Value());
Script::Compile(v8_str("read_only = 9"))->Run();
CHECK_EQ(7, context->Global()->Get(prop)->Int32Value());
context->Global()->Set(prop, v8_num(10));
CHECK_EQ(7, context->Global()->Get(prop)->Int32Value());
// dont-delete
prop = v8_str("dont_delete");
context->Global()->Set(prop, v8_num(13), v8::DontDelete);
CHECK_EQ(13, context->Global()->Get(prop)->Int32Value());
Script::Compile(v8_str("delete dont_delete"))->Run();
CHECK_EQ(13, context->Global()->Get(prop)->Int32Value());
}
THREADED_TEST(Array) {
v8::HandleScope scope;
LocalContext context;
Local<v8::Array> array = v8::Array::New();
CHECK_EQ(0, array->Length());
CHECK(array->Get(v8::Integer::New(0))->IsUndefined());
CHECK(!array->Has(0));
CHECK(array->Get(v8::Integer::New(100))->IsUndefined());
CHECK(!array->Has(100));
array->Set(v8::Integer::New(2), v8_num(7));
CHECK_EQ(3, array->Length());
CHECK(!array->Has(0));
CHECK(!array->Has(1));
CHECK(array->Has(2));
CHECK_EQ(7, array->Get(v8::Integer::New(2))->Int32Value());
Local<Value> obj = Script::Compile(v8_str("[1, 2, 3]"))->Run();
Local<v8::Array> arr = Local<v8::Array>::Cast(obj);
CHECK_EQ(3, arr->Length());
CHECK_EQ(1, arr->Get(v8::Integer::New(0))->Int32Value());
CHECK_EQ(2, arr->Get(v8::Integer::New(1))->Int32Value());
CHECK_EQ(3, arr->Get(v8::Integer::New(2))->Int32Value());
}
v8::Handle<Value> HandleF(const v8::Arguments& args) {
v8::HandleScope scope;
ApiTestFuzzer::Fuzz();
Local<v8::Array> result = v8::Array::New(args.Length());
for (int i = 0; i < args.Length(); i++)
result->Set(v8::Integer::New(i), args[i]);
return scope.Close(result);
}
THREADED_TEST(Vector) {
v8::HandleScope scope;
Local<ObjectTemplate> global = ObjectTemplate::New();
global->Set(v8_str("f"), v8::FunctionTemplate::New(HandleF));
LocalContext context(0, global);
const char* fun = "f()";
Local<v8::Array> a0 =
Local<v8::Array>::Cast(Script::Compile(String::New(fun))->Run());
CHECK_EQ(0, a0->Length());
const char* fun2 = "f(11)";
Local<v8::Array> a1 =
Local<v8::Array>::Cast(Script::Compile(String::New(fun2))->Run());
CHECK_EQ(1, a1->Length());
CHECK_EQ(11, a1->Get(v8::Integer::New(0))->Int32Value());
const char* fun3 = "f(12, 13)";
Local<v8::Array> a2 =
Local<v8::Array>::Cast(Script::Compile(String::New(fun3))->Run());
CHECK_EQ(2, a2->Length());
CHECK_EQ(12, a2->Get(v8::Integer::New(0))->Int32Value());
CHECK_EQ(13, a2->Get(v8::Integer::New(1))->Int32Value());
const char* fun4 = "f(14, 15, 16)";
Local<v8::Array> a3 =
Local<v8::Array>::Cast(Script::Compile(String::New(fun4))->Run());
CHECK_EQ(3, a3->Length());
CHECK_EQ(14, a3->Get(v8::Integer::New(0))->Int32Value());
CHECK_EQ(15, a3->Get(v8::Integer::New(1))->Int32Value());
CHECK_EQ(16, a3->Get(v8::Integer::New(2))->Int32Value());
const char* fun5 = "f(17, 18, 19, 20)";
Local<v8::Array> a4 =
Local<v8::Array>::Cast(Script::Compile(String::New(fun5))->Run());
CHECK_EQ(4, a4->Length());
CHECK_EQ(17, a4->Get(v8::Integer::New(0))->Int32Value());
CHECK_EQ(18, a4->Get(v8::Integer::New(1))->Int32Value());
CHECK_EQ(19, a4->Get(v8::Integer::New(2))->Int32Value());
CHECK_EQ(20, a4->Get(v8::Integer::New(3))->Int32Value());
}
THREADED_TEST(FunctionCall) {
v8::HandleScope scope;
LocalContext context;
CompileRun(
"function Foo() {"
" var result = [];"
" for (var i = 0; i < arguments.length; i++) {"
" result.push(arguments[i]);"
" }"
" return result;"
"}");
Local<Function> Foo =
Local<Function>::Cast(context->Global()->Get(v8_str("Foo")));
v8::Handle<Value>* args0 = NULL;
Local<v8::Array> a0 = Local<v8::Array>::Cast(Foo->Call(Foo, 0, args0));
CHECK_EQ(0, a0->Length());
v8::Handle<Value> args1[] = { v8_num(1.1) };
Local<v8::Array> a1 = Local<v8::Array>::Cast(Foo->Call(Foo, 1, args1));
CHECK_EQ(1, a1->Length());
CHECK_EQ(1.1, a1->Get(v8::Integer::New(0))->NumberValue());
v8::Handle<Value> args2[] = { v8_num(2.2),
v8_num(3.3) };
Local<v8::Array> a2 = Local<v8::Array>::Cast(Foo->Call(Foo, 2, args2));
CHECK_EQ(2, a2->Length());
CHECK_EQ(2.2, a2->Get(v8::Integer::New(0))->NumberValue());
CHECK_EQ(3.3, a2->Get(v8::Integer::New(1))->NumberValue());
v8::Handle<Value> args3[] = { v8_num(4.4),
v8_num(5.5),
v8_num(6.6) };
Local<v8::Array> a3 = Local<v8::Array>::Cast(Foo->Call(Foo, 3, args3));
CHECK_EQ(3, a3->Length());
CHECK_EQ(4.4, a3->Get(v8::Integer::New(0))->NumberValue());
CHECK_EQ(5.5, a3->Get(v8::Integer::New(1))->NumberValue());
CHECK_EQ(6.6, a3->Get(v8::Integer::New(2))->NumberValue());
v8::Handle<Value> args4[] = { v8_num(7.7),
v8_num(8.8),
v8_num(9.9),
v8_num(10.11) };
Local<v8::Array> a4 = Local<v8::Array>::Cast(Foo->Call(Foo, 4, args4));
CHECK_EQ(4, a4->Length());
CHECK_EQ(7.7, a4->Get(v8::Integer::New(0))->NumberValue());
CHECK_EQ(8.8, a4->Get(v8::Integer::New(1))->NumberValue());
CHECK_EQ(9.9, a4->Get(v8::Integer::New(2))->NumberValue());
CHECK_EQ(10.11, a4->Get(v8::Integer::New(3))->NumberValue());
}
static const char* js_code_causing_out_of_memory =
"var a = new Array(); while(true) a.push(a);";
// These tests run for a long time and prevent us from running tests
// that come after them so they cannot run in parallel.
TEST(OutOfMemory) {
// It's not possible to read a snapshot into a heap with different dimensions.
if (v8::internal::Snapshot::IsEnabled()) return;
// Set heap limits.
static const int K = 1024;
v8::ResourceConstraints constraints;
constraints.set_max_young_space_size(256 * K);
constraints.set_max_old_space_size(4 * K * K);
v8::SetResourceConstraints(&constraints);
// Execute a script that causes out of memory.
v8::HandleScope scope;
LocalContext context;
v8::V8::IgnoreOutOfMemoryException();
Local<Script> script =
Script::Compile(String::New(js_code_causing_out_of_memory));
Local<Value> result = script->Run();
// Check for out of memory state.
CHECK(result.IsEmpty());
CHECK(context->HasOutOfMemoryException());
}
v8::Handle<Value> ProvokeOutOfMemory(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
v8::HandleScope scope;
LocalContext context;
Local<Script> script =
Script::Compile(String::New(js_code_causing_out_of_memory));
Local<Value> result = script->Run();
// Check for out of memory state.
CHECK(result.IsEmpty());
CHECK(context->HasOutOfMemoryException());
return result;
}
TEST(OutOfMemoryNested) {
// It's not possible to read a snapshot into a heap with different dimensions.
if (v8::internal::Snapshot::IsEnabled()) return;
// Set heap limits.
static const int K = 1024;
v8::ResourceConstraints constraints;
constraints.set_max_young_space_size(256 * K);
constraints.set_max_old_space_size(4 * K * K);
v8::SetResourceConstraints(&constraints);
v8::HandleScope scope;
Local<ObjectTemplate> templ = ObjectTemplate::New();
templ->Set(v8_str("ProvokeOutOfMemory"),
v8::FunctionTemplate::New(ProvokeOutOfMemory));
LocalContext context(0, templ);
v8::V8::IgnoreOutOfMemoryException();
Local<Value> result = CompileRun(
"var thrown = false;"
"try {"
" ProvokeOutOfMemory();"
"} catch (e) {"
" thrown = true;"
"}");
// Check for out of memory state.
CHECK(result.IsEmpty());
CHECK(context->HasOutOfMemoryException());
}
TEST(HugeConsStringOutOfMemory) {
// It's not possible to read a snapshot into a heap with different dimensions.
if (v8::internal::Snapshot::IsEnabled()) return;
v8::HandleScope scope;
LocalContext context;
// Set heap limits.
static const int K = 1024;
v8::ResourceConstraints constraints;
constraints.set_max_young_space_size(256 * K);
constraints.set_max_old_space_size(2 * K * K);
v8::SetResourceConstraints(&constraints);
// Execute a script that causes out of memory.
v8::V8::IgnoreOutOfMemoryException();
// Build huge string. This should fail with out of memory exception.
Local<Value> result = CompileRun(
"var str = Array.prototype.join.call({length: 513}, \"A\").toUpperCase();"
"for (var i = 0; i < 21; i++) { str = str + str; }");
// Check for out of memory state.
CHECK(result.IsEmpty());
CHECK(context->HasOutOfMemoryException());
}
THREADED_TEST(ConstructCall) {
v8::HandleScope scope;
LocalContext context;
CompileRun(
"function Foo() {"
" var result = [];"
" for (var i = 0; i < arguments.length; i++) {"
" result.push(arguments[i]);"
" }"
" return result;"
"}");
Local<Function> Foo =
Local<Function>::Cast(context->Global()->Get(v8_str("Foo")));
v8::Handle<Value>* args0 = NULL;
Local<v8::Array> a0 = Local<v8::Array>::Cast(Foo->NewInstance(0, args0));
CHECK_EQ(0, a0->Length());
v8::Handle<Value> args1[] = { v8_num(1.1) };
Local<v8::Array> a1 = Local<v8::Array>::Cast(Foo->NewInstance(1, args1));
CHECK_EQ(1, a1->Length());
CHECK_EQ(1.1, a1->Get(v8::Integer::New(0))->NumberValue());
v8::Handle<Value> args2[] = { v8_num(2.2),
v8_num(3.3) };
Local<v8::Array> a2 = Local<v8::Array>::Cast(Foo->NewInstance(2, args2));
CHECK_EQ(2, a2->Length());
CHECK_EQ(2.2, a2->Get(v8::Integer::New(0))->NumberValue());
CHECK_EQ(3.3, a2->Get(v8::Integer::New(1))->NumberValue());
v8::Handle<Value> args3[] = { v8_num(4.4),
v8_num(5.5),
v8_num(6.6) };
Local<v8::Array> a3 = Local<v8::Array>::Cast(Foo->NewInstance(3, args3));
CHECK_EQ(3, a3->Length());
CHECK_EQ(4.4, a3->Get(v8::Integer::New(0))->NumberValue());
CHECK_EQ(5.5, a3->Get(v8::Integer::New(1))->NumberValue());
CHECK_EQ(6.6, a3->Get(v8::Integer::New(2))->NumberValue());
v8::Handle<Value> args4[] = { v8_num(7.7),
v8_num(8.8),
v8_num(9.9),
v8_num(10.11) };
Local<v8::Array> a4 = Local<v8::Array>::Cast(Foo->NewInstance(4, args4));
CHECK_EQ(4, a4->Length());
CHECK_EQ(7.7, a4->Get(v8::Integer::New(0))->NumberValue());
CHECK_EQ(8.8, a4->Get(v8::Integer::New(1))->NumberValue());
CHECK_EQ(9.9, a4->Get(v8::Integer::New(2))->NumberValue());
CHECK_EQ(10.11, a4->Get(v8::Integer::New(3))->NumberValue());
}
static void CheckUncle(v8::TryCatch* try_catch) {
CHECK(try_catch->HasCaught());
String::AsciiValue str_value(try_catch->Exception());
CHECK_EQ(*str_value, "uncle?");
try_catch->Reset();
}
THREADED_TEST(ConversionException) {
v8::HandleScope scope;
LocalContext env;
CompileRun(
"function TestClass() { };"
"TestClass.prototype.toString = function () { throw 'uncle?'; };"
"var obj = new TestClass();");
Local<Value> obj = env->Global()->Get(v8_str("obj"));
v8::TryCatch try_catch;
Local<Value> to_string_result = obj->ToString();
CHECK(to_string_result.IsEmpty());
CheckUncle(&try_catch);
Local<Value> to_number_result = obj->ToNumber();
CHECK(to_number_result.IsEmpty());
CheckUncle(&try_catch);
Local<Value> to_integer_result = obj->ToInteger();
CHECK(to_integer_result.IsEmpty());
CheckUncle(&try_catch);
Local<Value> to_uint32_result = obj->ToUint32();
CHECK(to_uint32_result.IsEmpty());
CheckUncle(&try_catch);
Local<Value> to_int32_result = obj->ToInt32();
CHECK(to_int32_result.IsEmpty());
CheckUncle(&try_catch);
Local<Value> to_object_result = v8::Undefined()->ToObject();
CHECK(to_object_result.IsEmpty());
CHECK(try_catch.HasCaught());
try_catch.Reset();
int32_t int32_value = obj->Int32Value();
CHECK_EQ(0, int32_value);
CheckUncle(&try_catch);
uint32_t uint32_value = obj->Uint32Value();
CHECK_EQ(0, uint32_value);
CheckUncle(&try_catch);
double number_value = obj->NumberValue();
CHECK_NE(0, IsNaN(number_value));
CheckUncle(&try_catch);
int64_t integer_value = obj->IntegerValue();
CHECK_EQ(0.0, static_cast<double>(integer_value));
CheckUncle(&try_catch);
}
v8::Handle<Value> ThrowFromC(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
return v8::ThrowException(v8_str("konto"));
}
v8::Handle<Value> CCatcher(const v8::Arguments& args) {
if (args.Length() < 1) return v8::Boolean::New(false);
v8::HandleScope scope;
v8::TryCatch try_catch;
Local<Value> result = v8::Script::Compile(args[0]->ToString())->Run();
CHECK(!try_catch.HasCaught() || result.IsEmpty());
return v8::Boolean::New(try_catch.HasCaught());
}
THREADED_TEST(APICatch) {
v8::HandleScope scope;
Local<ObjectTemplate> templ = ObjectTemplate::New();
templ->Set(v8_str("ThrowFromC"),
v8::FunctionTemplate::New(ThrowFromC));
LocalContext context(0, templ);
CompileRun(
"var thrown = false;"
"try {"
" ThrowFromC();"
"} catch (e) {"
" thrown = true;"
"}");
Local<Value> thrown = context->Global()->Get(v8_str("thrown"));
CHECK(thrown->BooleanValue());
}
THREADED_TEST(APIThrowTryCatch) {
v8::HandleScope scope;
Local<ObjectTemplate> templ = ObjectTemplate::New();
templ->Set(v8_str("ThrowFromC"),
v8::FunctionTemplate::New(ThrowFromC));
LocalContext context(0, templ);
v8::TryCatch try_catch;
CompileRun("ThrowFromC();");
CHECK(try_catch.HasCaught());
}
// Test that a try-finally block doesn't shadow a try-catch block
// when setting up an external handler.
//
// BUG(271): Some of the exception propagation does not work on the
// ARM simulator because the simulator separates the C++ stack and the
// JS stack. This test therefore fails on the simulator. The test is
// not threaded to allow the threading tests to run on the simulator.
TEST(TryCatchInTryFinally) {
v8::HandleScope scope;
Local<ObjectTemplate> templ = ObjectTemplate::New();
templ->Set(v8_str("CCatcher"),
v8::FunctionTemplate::New(CCatcher));
LocalContext context(0, templ);
Local<Value> result = CompileRun("try {"
" try {"
" CCatcher('throw 7;');"
" } finally {"
" }"
"} catch (e) {"
"}");
CHECK(result->IsTrue());
}
static void receive_message(v8::Handle<v8::Message> message,
v8::Handle<v8::Value> data) {
message->Get();
message_received = true;
}
TEST(APIThrowMessage) {
message_received = false;
v8::HandleScope scope;
v8::V8::AddMessageListener(receive_message);
Local<ObjectTemplate> templ = ObjectTemplate::New();
templ->Set(v8_str("ThrowFromC"),
v8::FunctionTemplate::New(ThrowFromC));
LocalContext context(0, templ);
CompileRun("ThrowFromC();");
CHECK(message_received);
v8::V8::RemoveMessageListeners(check_message);
}
TEST(APIThrowMessageAndVerboseTryCatch) {
message_received = false;
v8::HandleScope scope;
v8::V8::AddMessageListener(receive_message);
Local<ObjectTemplate> templ = ObjectTemplate::New();
templ->Set(v8_str("ThrowFromC"),
v8::FunctionTemplate::New(ThrowFromC));
LocalContext context(0, templ);
v8::TryCatch try_catch;
try_catch.SetVerbose(true);
Local<Value> result = CompileRun("ThrowFromC();");
CHECK(try_catch.HasCaught());
CHECK(result.IsEmpty());
CHECK(message_received);
v8::V8::RemoveMessageListeners(check_message);
}
THREADED_TEST(ExternalScriptException) {
v8::HandleScope scope;
Local<ObjectTemplate> templ = ObjectTemplate::New();
templ->Set(v8_str("ThrowFromC"),
v8::FunctionTemplate::New(ThrowFromC));
LocalContext context(0, templ);
v8::TryCatch try_catch;
Local<Script> script
= Script::Compile(v8_str("ThrowFromC(); throw 'panama';"));
Local<Value> result = script->Run();
CHECK(result.IsEmpty());
CHECK(try_catch.HasCaught());
String::AsciiValue exception_value(try_catch.Exception());
CHECK_EQ("konto", *exception_value);
}
v8::Handle<Value> CThrowCountDown(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
CHECK_EQ(4, args.Length());
int count = args[0]->Int32Value();
int cInterval = args[2]->Int32Value();
if (count == 0) {
return v8::ThrowException(v8_str("FromC"));
} else {
Local<v8::Object> global = Context::GetCurrent()->Global();
Local<Value> fun = global->Get(v8_str("JSThrowCountDown"));
v8::Handle<Value> argv[] = { v8_num(count - 1),
args[1],
args[2],
args[3] };
if (count % cInterval == 0) {
v8::TryCatch try_catch;
Local<Value> result =
v8::Handle<Function>::Cast(fun)->Call(global, 4, argv);
int expected = args[3]->Int32Value();
if (try_catch.HasCaught()) {
CHECK_EQ(expected, count);
CHECK(result.IsEmpty());
CHECK(!i::Top::has_scheduled_exception());
} else {
CHECK_NE(expected, count);
}
return result;
} else {
return v8::Handle<Function>::Cast(fun)->Call(global, 4, argv);
}
}
}
v8::Handle<Value> JSCheck(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
CHECK_EQ(3, args.Length());
bool equality = args[0]->BooleanValue();
int count = args[1]->Int32Value();
int expected = args[2]->Int32Value();
if (equality) {
CHECK_EQ(count, expected);
} else {
CHECK_NE(count, expected);
}
return v8::Undefined();
}
THREADED_TEST(EvalInTryFinally) {
v8::HandleScope scope;
LocalContext context;
v8::TryCatch try_catch;
CompileRun("(function() {"
" try {"
" eval('asldkf (*&^&*^');"
" } finally {"
" return;"
" }"
"})()");
CHECK(!try_catch.HasCaught());
}
// This test works by making a stack of alternating JavaScript and C
// activations. These activations set up exception handlers with regular
// intervals, one interval for C activations and another for JavaScript
// activations. When enough activations have been created an exception is
// thrown and we check that the right activation catches the exception and that
// no other activations do. The right activation is always the topmost one with
// a handler, regardless of whether it is in JavaScript or C.
//
// The notation used to describe a test case looks like this:
//
// *JS[4] *C[3] @JS[2] C[1] JS[0]
//
// Each entry is an activation, either JS or C. The index is the count at that
// level. Stars identify activations with exception handlers, the @ identifies
// the exception handler that should catch the exception.
//
// BUG(271): Some of the exception propagation does not work on the
// ARM simulator because the simulator separates the C++ stack and the
// JS stack. This test therefore fails on the simulator. The test is
// not threaded to allow the threading tests to run on the simulator.
TEST(ExceptionOrder) {
v8::HandleScope scope;
Local<ObjectTemplate> templ = ObjectTemplate::New();
templ->Set(v8_str("check"), v8::FunctionTemplate::New(JSCheck));
templ->Set(v8_str("CThrowCountDown"),
v8::FunctionTemplate::New(CThrowCountDown));
LocalContext context(0, templ);
CompileRun(
"function JSThrowCountDown(count, jsInterval, cInterval, expected) {"
" if (count == 0) throw 'FromJS';"
" if (count % jsInterval == 0) {"
" try {"
" var value = CThrowCountDown(count - 1,"
" jsInterval,"
" cInterval,"
" expected);"
" check(false, count, expected);"
" return value;"
" } catch (e) {"
" check(true, count, expected);"
" }"
" } else {"
" return CThrowCountDown(count - 1, jsInterval, cInterval, expected);"
" }"
"}");
Local<Function> fun =
Local<Function>::Cast(context->Global()->Get(v8_str("JSThrowCountDown")));
const int argc = 4;
// count jsInterval cInterval expected
// *JS[4] *C[3] @JS[2] C[1] JS[0]
v8::Handle<Value> a0[argc] = { v8_num(4), v8_num(2), v8_num(3), v8_num(2) };
fun->Call(fun, argc, a0);
// JS[5] *C[4] JS[3] @C[2] JS[1] C[0]
v8::Handle<Value> a1[argc] = { v8_num(5), v8_num(6), v8_num(1), v8_num(2) };
fun->Call(fun, argc, a1);
// JS[6] @C[5] JS[4] C[3] JS[2] C[1] JS[0]
v8::Handle<Value> a2[argc] = { v8_num(6), v8_num(7), v8_num(5), v8_num(5) };
fun->Call(fun, argc, a2);
// @JS[6] C[5] JS[4] C[3] JS[2] C[1] JS[0]
v8::Handle<Value> a3[argc] = { v8_num(6), v8_num(6), v8_num(7), v8_num(6) };
fun->Call(fun, argc, a3);
// JS[6] *C[5] @JS[4] C[3] JS[2] C[1] JS[0]
v8::Handle<Value> a4[argc] = { v8_num(6), v8_num(4), v8_num(5), v8_num(4) };
fun->Call(fun, argc, a4);
// JS[6] C[5] *JS[4] @C[3] JS[2] C[1] JS[0]
v8::Handle<Value> a5[argc] = { v8_num(6), v8_num(4), v8_num(3), v8_num(3) };
fun->Call(fun, argc, a5);
}
v8::Handle<Value> ThrowValue(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
CHECK_EQ(1, args.Length());
return v8::ThrowException(args[0]);
}
THREADED_TEST(ThrowValues) {
v8::HandleScope scope;
Local<ObjectTemplate> templ = ObjectTemplate::New();
templ->Set(v8_str("Throw"), v8::FunctionTemplate::New(ThrowValue));
LocalContext context(0, templ);
v8::Handle<v8::Array> result = v8::Handle<v8::Array>::Cast(CompileRun(
"function Run(obj) {"
" try {"
" Throw(obj);"
" } catch (e) {"
" return e;"
" }"
" return 'no exception';"
"}"
"[Run('str'), Run(1), Run(0), Run(null), Run(void 0)];"));
CHECK_EQ(5, result->Length());
CHECK(result->Get(v8::Integer::New(0))->IsString());
CHECK(result->Get(v8::Integer::New(1))->IsNumber());
CHECK_EQ(1, result->Get(v8::Integer::New(1))->Int32Value());
CHECK(result->Get(v8::Integer::New(2))->IsNumber());
CHECK_EQ(0, result->Get(v8::Integer::New(2))->Int32Value());
CHECK(result->Get(v8::Integer::New(3))->IsNull());
CHECK(result->Get(v8::Integer::New(4))->IsUndefined());
}
THREADED_TEST(CatchZero) {
v8::HandleScope scope;
LocalContext context;
v8::TryCatch try_catch;
CHECK(!try_catch.HasCaught());
Script::Compile(v8_str("throw 10"))->Run();
CHECK(try_catch.HasCaught());
CHECK_EQ(10, try_catch.Exception()->Int32Value());
try_catch.Reset();
CHECK(!try_catch.HasCaught());
Script::Compile(v8_str("throw 0"))->Run();
CHECK(try_catch.HasCaught());
CHECK_EQ(0, try_catch.Exception()->Int32Value());
}
THREADED_TEST(CatchExceptionFromWith) {
v8::HandleScope scope;
LocalContext context;
v8::TryCatch try_catch;
CHECK(!try_catch.HasCaught());
Script::Compile(v8_str("var o = {}; with (o) { throw 42; }"))->Run();
CHECK(try_catch.HasCaught());
}
THREADED_TEST(Equality) {
v8::HandleScope scope;
LocalContext context;
// Check that equality works at all before relying on CHECK_EQ
CHECK(v8_str("a")->Equals(v8_str("a")));
CHECK(!v8_str("a")->Equals(v8_str("b")));
CHECK_EQ(v8_str("a"), v8_str("a"));
CHECK_NE(v8_str("a"), v8_str("b"));
CHECK_EQ(v8_num(1), v8_num(1));
CHECK_EQ(v8_num(1.00), v8_num(1));
CHECK_NE(v8_num(1), v8_num(2));
// Assume String is not symbol.
CHECK(v8_str("a")->StrictEquals(v8_str("a")));
CHECK(!v8_str("a")->StrictEquals(v8_str("b")));
CHECK(!v8_str("5")->StrictEquals(v8_num(5)));
CHECK(v8_num(1)->StrictEquals(v8_num(1)));
CHECK(!v8_num(1)->StrictEquals(v8_num(2)));
CHECK(v8_num(0)->StrictEquals(v8_num(-0)));
Local<Value> not_a_number = v8_num(i::OS::nan_value());
CHECK(!not_a_number->StrictEquals(not_a_number));
CHECK(v8::False()->StrictEquals(v8::False()));
CHECK(!v8::False()->StrictEquals(v8::Undefined()));
v8::Handle<v8::Object> obj = v8::Object::New();
v8::Persistent<v8::Object> alias = v8::Persistent<v8::Object>::New(obj);
CHECK(alias->StrictEquals(obj));
alias.Dispose();
}
THREADED_TEST(MultiRun) {
v8::HandleScope scope;
LocalContext context;
Local<Script> script = Script::Compile(v8_str("x"));
for (int i = 0; i < 10; i++)
script->Run();
}
static v8::Handle<Value> GetXValue(Local<String> name,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
CHECK_EQ(info.Data(), v8_str("donut"));
CHECK_EQ(name, v8_str("x"));
return name;
}
THREADED_TEST(SimplePropertyRead) {
v8::HandleScope scope;
Local<ObjectTemplate> templ = ObjectTemplate::New();
templ->SetAccessor(v8_str("x"), GetXValue, NULL, v8_str("donut"));
LocalContext context;
context->Global()->Set(v8_str("obj"), templ->NewInstance());
Local<Script> script = Script::Compile(v8_str("obj.x"));
for (int i = 0; i < 10; i++) {
Local<Value> result = script->Run();
CHECK_EQ(result, v8_str("x"));
}
}
v8::Persistent<Value> xValue;
static void SetXValue(Local<String> name,
Local<Value> value,
const AccessorInfo& info) {
CHECK_EQ(value, v8_num(4));
CHECK_EQ(info.Data(), v8_str("donut"));
CHECK_EQ(name, v8_str("x"));
CHECK(xValue.IsEmpty());
xValue = v8::Persistent<Value>::New(value);
}
THREADED_TEST(SimplePropertyWrite) {
v8::HandleScope scope;
Local<ObjectTemplate> templ = ObjectTemplate::New();
templ->SetAccessor(v8_str("x"), GetXValue, SetXValue, v8_str("donut"));
LocalContext context;
context->Global()->Set(v8_str("obj"), templ->NewInstance());
Local<Script> script = Script::Compile(v8_str("obj.x = 4"));
for (int i = 0; i < 10; i++) {
CHECK(xValue.IsEmpty());
script->Run();
CHECK_EQ(v8_num(4), xValue);
xValue.Dispose();
xValue = v8::Persistent<Value>();
}
}
static v8::Handle<Value> XPropertyGetter(Local<String> property,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
CHECK(info.Data()->IsUndefined());
return property;
}
THREADED_TEST(NamedInterceporPropertyRead) {
v8::HandleScope scope;
Local<ObjectTemplate> templ = ObjectTemplate::New();
templ->SetNamedPropertyHandler(XPropertyGetter);
LocalContext context;
context->Global()->Set(v8_str("obj"), templ->NewInstance());
Local<Script> script = Script::Compile(v8_str("obj.x"));
for (int i = 0; i < 10; i++) {
Local<Value> result = script->Run();
CHECK_EQ(result, v8_str("x"));
}
}
THREADED_TEST(MultiContexts) {
v8::HandleScope scope;
v8::Handle<ObjectTemplate> templ = ObjectTemplate::New();
templ->Set(v8_str("dummy"), v8::FunctionTemplate::New(DummyCallHandler));
Local<String> password = v8_str("Password");
// Create an environment
LocalContext context0(0, templ);
context0->SetSecurityToken(password);
v8::Handle<v8::Object> global0 = context0->Global();
global0->Set(v8_str("custom"), v8_num(1234));
CHECK_EQ(1234, global0->Get(v8_str("custom"))->Int32Value());
// Create an independent environment
LocalContext context1(0, templ);
context1->SetSecurityToken(password);
v8::Handle<v8::Object> global1 = context1->Global();
global1->Set(v8_str("custom"), v8_num(1234));
CHECK_NE(global0, global1);
CHECK_EQ(1234, global0->Get(v8_str("custom"))->Int32Value());
CHECK_EQ(1234, global1->Get(v8_str("custom"))->Int32Value());
// Now create a new context with the old global
LocalContext context2(0, templ, global1);
context2->SetSecurityToken(password);
v8::Handle<v8::Object> global2 = context2->Global();
CHECK_EQ(global1, global2);
CHECK_EQ(0, global1->Get(v8_str("custom"))->Int32Value());
CHECK_EQ(0, global2->Get(v8_str("custom"))->Int32Value());
}
THREADED_TEST(FunctionPrototypeAcrossContexts) {
// Make sure that functions created by cloning boilerplates cannot
// communicate through their __proto__ field.
v8::HandleScope scope;
LocalContext env0;
v8::Handle<v8::Object> global0 =
env0->Global();
v8::Handle<v8::Object> object0 =
v8::Handle<v8::Object>::Cast(global0->Get(v8_str("Object")));
v8::Handle<v8::Object> tostring0 =
v8::Handle<v8::Object>::Cast(object0->Get(v8_str("toString")));
v8::Handle<v8::Object> proto0 =
v8::Handle<v8::Object>::Cast(tostring0->Get(v8_str("__proto__")));
proto0->Set(v8_str("custom"), v8_num(1234));
LocalContext env1;
v8::Handle<v8::Object> global1 =
env1->Global();
v8::Handle<v8::Object> object1 =
v8::Handle<v8::Object>::Cast(global1->Get(v8_str("Object")));
v8::Handle<v8::Object> tostring1 =
v8::Handle<v8::Object>::Cast(object1->Get(v8_str("toString")));
v8::Handle<v8::Object> proto1 =
v8::Handle<v8::Object>::Cast(tostring1->Get(v8_str("__proto__")));
CHECK(!proto1->Has(v8_str("custom")));
}
THREADED_TEST(Regress892105) {
// Make sure that object and array literals created by cloning
// boilerplates cannot communicate through their __proto__
// field. This is rather difficult to check, but we try to add stuff
// to Object.prototype and Array.prototype and create a new
// environment. This should succeed.
v8::HandleScope scope;
Local<String> source = v8_str("Object.prototype.obj = 1234;"
"Array.prototype.arr = 4567;"
"8901");
LocalContext env0;
Local<Script> script0 = Script::Compile(source);
CHECK_EQ(8901.0, script0->Run()->NumberValue());
LocalContext env1;
Local<Script> script1 = Script::Compile(source);
CHECK_EQ(8901.0, script1->Run()->NumberValue());
}
static void ExpectString(const char* code, const char* expected) {
Local<Value> result = CompileRun(code);
CHECK(result->IsString());
String::AsciiValue ascii(result);
CHECK_EQ(0, strcmp(*ascii, expected));
}
static void ExpectBoolean(const char* code, bool expected) {
Local<Value> result = CompileRun(code);
CHECK(result->IsBoolean());
CHECK_EQ(expected, result->BooleanValue());
}
static void ExpectObject(const char* code, Local<Value> expected) {
Local<Value> result = CompileRun(code);
CHECK(result->Equals(expected));
}
THREADED_TEST(UndetectableObject) {
v8::HandleScope scope;
LocalContext env;
Local<v8::FunctionTemplate> desc =
v8::FunctionTemplate::New(0, v8::Handle<Value>());
desc->InstanceTemplate()->MarkAsUndetectable(); // undetectable
Local<v8::Object> obj = desc->GetFunction()->NewInstance();
env->Global()->Set(v8_str("undetectable"), obj);
ExpectString("undetectable.toString()", "[object Object]");
ExpectString("typeof undetectable", "undefined");
ExpectString("typeof(undetectable)", "undefined");
ExpectBoolean("typeof undetectable == 'undefined'", true);
ExpectBoolean("typeof undetectable == 'object'", false);
ExpectBoolean("if (undetectable) { true; } else { false; }", false);
ExpectBoolean("!undetectable", true);
ExpectObject("true&&undetectable", obj);
ExpectBoolean("false&&undetectable", false);
ExpectBoolean("true||undetectable", true);
ExpectObject("false||undetectable", obj);
ExpectObject("undetectable&&true", obj);
ExpectObject("undetectable&&false", obj);
ExpectBoolean("undetectable||true", true);
ExpectBoolean("undetectable||false", false);
ExpectBoolean("undetectable==null", true);
ExpectBoolean("null==undetectable", true);
ExpectBoolean("undetectable==undefined", true);
ExpectBoolean("undefined==undetectable", true);
ExpectBoolean("undetectable==undetectable", true);
ExpectBoolean("undetectable===null", false);
ExpectBoolean("null===undetectable", false);
ExpectBoolean("undetectable===undefined", false);
ExpectBoolean("undefined===undetectable", false);
ExpectBoolean("undetectable===undetectable", true);
}
THREADED_TEST(UndetectableString) {
v8::HandleScope scope;
LocalContext env;
Local<String> obj = String::NewUndetectable("foo");
env->Global()->Set(v8_str("undetectable"), obj);
ExpectString("undetectable", "foo");
ExpectString("typeof undetectable", "undefined");
ExpectString("typeof(undetectable)", "undefined");
ExpectBoolean("typeof undetectable == 'undefined'", true);
ExpectBoolean("typeof undetectable == 'string'", false);
ExpectBoolean("if (undetectable) { true; } else { false; }", false);
ExpectBoolean("!undetectable", true);
ExpectObject("true&&undetectable", obj);
ExpectBoolean("false&&undetectable", false);
ExpectBoolean("true||undetectable", true);
ExpectObject("false||undetectable", obj);
ExpectObject("undetectable&&true", obj);
ExpectObject("undetectable&&false", obj);
ExpectBoolean("undetectable||true", true);
ExpectBoolean("undetectable||false", false);
ExpectBoolean("undetectable==null", true);
ExpectBoolean("null==undetectable", true);
ExpectBoolean("undetectable==undefined", true);
ExpectBoolean("undefined==undetectable", true);
ExpectBoolean("undetectable==undetectable", true);
ExpectBoolean("undetectable===null", false);
ExpectBoolean("null===undetectable", false);
ExpectBoolean("undetectable===undefined", false);
ExpectBoolean("undefined===undetectable", false);
ExpectBoolean("undetectable===undetectable", true);
}
template <typename T> static void USE(T) { }
// This test is not intended to be run, just type checked.
static void PersistentHandles() {
USE(PersistentHandles);
Local<String> str = v8_str("foo");
v8::Persistent<String> p_str = v8::Persistent<String>::New(str);
USE(p_str);
Local<Script> scr = Script::Compile(v8_str(""));
v8::Persistent<Script> p_scr = v8::Persistent<Script>::New(scr);
USE(p_scr);
Local<ObjectTemplate> templ = ObjectTemplate::New();
v8::Persistent<ObjectTemplate> p_templ =
v8::Persistent<ObjectTemplate>::New(templ);
USE(p_templ);
}
static v8::Handle<Value> HandleLogDelegator(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
return v8::Undefined();
}
THREADED_TEST(GlobalObjectTemplate) {
v8::HandleScope handle_scope;
Local<ObjectTemplate> global_template = ObjectTemplate::New();
global_template->Set(v8_str("JSNI_Log"),
v8::FunctionTemplate::New(HandleLogDelegator));
v8::Persistent<Context> context = Context::New(0, global_template);
Context::Scope context_scope(context);
Script::Compile(v8_str("JSNI_Log('LOG')"))->Run();
context.Dispose();
}
static const char* kSimpleExtensionSource =
"function Foo() {"
" return 4;"
"}";
THREADED_TEST(SimpleExtensions) {
v8::HandleScope handle_scope;
v8::RegisterExtension(new Extension("simpletest", kSimpleExtensionSource));
const char* extension_names[] = { "simpletest" };
v8::ExtensionConfiguration extensions(1, extension_names);
v8::Handle<Context> context = Context::New(&extensions);
Context::Scope lock(context);
v8::Handle<Value> result = Script::Compile(v8_str("Foo()"))->Run();
CHECK_EQ(result, v8::Integer::New(4));
}
THREADED_TEST(AutoExtensions) {
v8::HandleScope handle_scope;
Extension* extension = new Extension("autotest", kSimpleExtensionSource);
extension->set_auto_enable(true);
v8::RegisterExtension(extension);
v8::Handle<Context> context = Context::New();
Context::Scope lock(context);
v8::Handle<Value> result = Script::Compile(v8_str("Foo()"))->Run();
CHECK_EQ(result, v8::Integer::New(4));
}
static void CheckDependencies(const char* name, const char* expected) {
v8::HandleScope handle_scope;
v8::ExtensionConfiguration config(1, &name);
LocalContext context(&config);
CHECK_EQ(String::New(expected), context->Global()->Get(v8_str("loaded")));
}
/*
* Configuration:
*
* /-- B <--\
* A <- -- D <-- E
* \-- C <--/
*/
THREADED_TEST(ExtensionDependency) {
static const char* kEDeps[] = { "D" };
v8::RegisterExtension(new Extension("E", "this.loaded += 'E';", 1, kEDeps));
static const char* kDDeps[] = { "B", "C" };
v8::RegisterExtension(new Extension("D", "this.loaded += 'D';", 2, kDDeps));
static const char* kBCDeps[] = { "A" };
v8::RegisterExtension(new Extension("B", "this.loaded += 'B';", 1, kBCDeps));
v8::RegisterExtension(new Extension("C", "this.loaded += 'C';", 1, kBCDeps));
v8::RegisterExtension(new Extension("A", "this.loaded += 'A';"));
CheckDependencies("A", "undefinedA");
CheckDependencies("B", "undefinedAB");
CheckDependencies("C", "undefinedAC");
CheckDependencies("D", "undefinedABCD");
CheckDependencies("E", "undefinedABCDE");
v8::HandleScope handle_scope;
static const char* exts[2] = { "C", "E" };
v8::ExtensionConfiguration config(2, exts);
LocalContext context(&config);
CHECK_EQ(v8_str("undefinedACBDE"), context->Global()->Get(v8_str("loaded")));
}
static const char* kExtensionTestScript =
"native function A();"
"native function B();"
"native function C();"
"function Foo(i) {"
" if (i == 0) return A();"
" if (i == 1) return B();"
" if (i == 2) return C();"
"}";
static v8::Handle<Value> CallFun(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
return args.Data();
}
class FunctionExtension : public Extension {
public:
FunctionExtension() : Extension("functiontest", kExtensionTestScript) { }
virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
v8::Handle<String> name);
};
static int lookup_count = 0;
v8::Handle<v8::FunctionTemplate> FunctionExtension::GetNativeFunction(
v8::Handle<String> name) {
lookup_count++;
if (name->Equals(v8_str("A"))) {
return v8::FunctionTemplate::New(CallFun, v8::Integer::New(8));
} else if (name->Equals(v8_str("B"))) {
return v8::FunctionTemplate::New(CallFun, v8::Integer::New(7));
} else if (name->Equals(v8_str("C"))) {
return v8::FunctionTemplate::New(CallFun, v8::Integer::New(6));
} else {
return v8::Handle<v8::FunctionTemplate>();
}
}
THREADED_TEST(FunctionLookup) {
v8::RegisterExtension(new FunctionExtension());
v8::HandleScope handle_scope;
static const char* exts[1] = { "functiontest" };
v8::ExtensionConfiguration config(1, exts);
LocalContext context(&config);
CHECK_EQ(3, lookup_count);
CHECK_EQ(v8::Integer::New(8), Script::Compile(v8_str("Foo(0)"))->Run());
CHECK_EQ(v8::Integer::New(7), Script::Compile(v8_str("Foo(1)"))->Run());
CHECK_EQ(v8::Integer::New(6), Script::Compile(v8_str("Foo(2)"))->Run());
}
static const char* last_location;
static const char* last_message;
void StoringErrorCallback(const char* location, const char* message) {
if (last_location == NULL) {
last_location = location;
last_message = message;
}
}
// ErrorReporting creates a circular extensions configuration and
// tests that the fatal error handler gets called. This renders V8
// unusable and therefore this test cannot be run in parallel.
TEST(ErrorReporting) {
v8::V8::SetFatalErrorHandler(StoringErrorCallback);
static const char* aDeps[] = { "B" };
v8::RegisterExtension(new Extension("A", "", 1, aDeps));
static const char* bDeps[] = { "A" };
v8::RegisterExtension(new Extension("B", "", 1, bDeps));
last_location = NULL;
v8::ExtensionConfiguration config(1, bDeps);
v8::Handle<Context> context = Context::New(&config);
CHECK(context.IsEmpty());
CHECK_NE(last_location, NULL);
}
static const char* js_code_causing_huge_string_flattening =
"var str = 'X';"
"for (var i = 0; i < 29; i++) {"
" str = str + str;"
"}"
"str.match(/X/);";
void OOMCallback(const char* location, const char* message) {
exit(0);
}
TEST(RegexpOutOfMemory) {
// Execute a script that causes out of memory when flattening a string.
v8::HandleScope scope;
v8::V8::SetFatalErrorHandler(OOMCallback);
LocalContext context;
Local<Script> script =
Script::Compile(String::New(js_code_causing_huge_string_flattening));
last_location = NULL;
Local<Value> result = script->Run();
CHECK(false); // Should not return.
}
static void MissingScriptInfoMessageListener(v8::Handle<v8::Message> message,
v8::Handle<Value> data) {
CHECK_EQ(v8::Undefined(), data);
CHECK(message->GetScriptResourceName()->IsUndefined());
CHECK_EQ(v8::Undefined(), message->GetScriptResourceName());
message->GetLineNumber();
message->GetSourceLine();
}
THREADED_TEST(ErrorWithMissingScriptInfo) {
v8::HandleScope scope;
LocalContext context;
v8::V8::AddMessageListener(MissingScriptInfoMessageListener);
Script::Compile(v8_str("throw Error()"))->Run();
v8::V8::RemoveMessageListeners(MissingScriptInfoMessageListener);
}
int global_index = 0;
class Snorkel {
public:
Snorkel() { index_ = global_index++; }
int index_;
};
class Whammy {
public:
Whammy() {
cursor_ = 0;
}
~Whammy() {
script_.Dispose();
}
v8::Handle<Script> getScript() {
if (script_.IsEmpty())
script_ = v8::Persistent<Script>::New(v8_compile("({}).blammo"));
return Local<Script>(*script_);
}
public:
static const int kObjectCount = 256;
int cursor_;
v8::Persistent<v8::Object> objects_[kObjectCount];
v8::Persistent<Script> script_;
};
static void HandleWeakReference(v8::Persistent<v8::Value> obj, void* data) {
Snorkel* snorkel = reinterpret_cast<Snorkel*>(data);
delete snorkel;
obj.ClearWeak();
}
v8::Handle<Value> WhammyPropertyGetter(Local<String> name,
const AccessorInfo& info) {
Whammy* whammy =
static_cast<Whammy*>(v8::Handle<v8::External>::Cast(info.Data())->Value());
v8::Persistent<v8::Object> prev = whammy->objects_[whammy->cursor_];
v8::Handle<v8::Object> obj = v8::Object::New();
v8::Persistent<v8::Object> global = v8::Persistent<v8::Object>::New(obj);
if (!prev.IsEmpty()) {
prev->Set(v8_str("next"), obj);
prev.MakeWeak(new Snorkel(), &HandleWeakReference);
whammy->objects_[whammy->cursor_].Clear();
}
whammy->objects_[whammy->cursor_] = global;
whammy->cursor_ = (whammy->cursor_ + 1) % Whammy::kObjectCount;
return whammy->getScript()->Run();
}
THREADED_TEST(WeakReference) {
v8::HandleScope handle_scope;
v8::Handle<v8::ObjectTemplate> templ= v8::ObjectTemplate::New();
templ->SetNamedPropertyHandler(WhammyPropertyGetter,
0, 0, 0, 0,
v8::External::New(new Whammy()));
const char* extension_list[] = { "v8/gc" };
v8::ExtensionConfiguration extensions(1, extension_list);
v8::Persistent<Context> context = Context::New(&extensions);
Context::Scope context_scope(context);
v8::Handle<v8::Object> interceptor = templ->NewInstance();
context->Global()->Set(v8_str("whammy"), interceptor);
const char* code =
"var last;"
"for (var i = 0; i < 10000; i++) {"
" var obj = whammy.length;"
" if (last) last.next = obj;"
" last = obj;"
"}"
"gc();"
"4";
v8::Handle<Value> result = CompileRun(code);
CHECK_EQ(4.0, result->NumberValue());
context.Dispose();
}
v8::Handle<Function> args_fun;
static v8::Handle<Value> ArgumentsTestCallback(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
CHECK_EQ(args_fun, args.Callee());
CHECK_EQ(3, args.Length());
CHECK_EQ(v8::Integer::New(1), args[0]);
CHECK_EQ(v8::Integer::New(2), args[1]);
CHECK_EQ(v8::Integer::New(3), args[2]);
CHECK_EQ(v8::Undefined(), args[3]);
v8::HandleScope scope;
i::Heap::CollectAllGarbage();
return v8::Undefined();
}
THREADED_TEST(Arguments) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> global = ObjectTemplate::New();
global->Set(v8_str("f"), v8::FunctionTemplate::New(ArgumentsTestCallback));
LocalContext context(NULL, global);
args_fun = v8::Handle<Function>::Cast(context->Global()->Get(v8_str("f")));
v8_compile("f(1, 2, 3)")->Run();
}
static int x_register = 0;
static v8::Handle<v8::Object> x_receiver;
static v8::Handle<v8::Object> x_holder;
static v8::Handle<Value> XGetter(Local<String> name, const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
CHECK_EQ(x_receiver, info.This());
CHECK_EQ(x_holder, info.Holder());
return v8_num(x_register);
}
static void XSetter(Local<String> name,
Local<Value> value,
const AccessorInfo& info) {
CHECK_EQ(x_holder, info.This());
CHECK_EQ(x_holder, info.Holder());
x_register = value->Int32Value();
}
THREADED_TEST(AccessorIC) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> obj = ObjectTemplate::New();
obj->SetAccessor(v8_str("x"), XGetter, XSetter);
LocalContext context;
x_holder = obj->NewInstance();
context->Global()->Set(v8_str("holder"), x_holder);
x_receiver = v8::Object::New();
context->Global()->Set(v8_str("obj"), x_receiver);
v8::Handle<v8::Array> array = v8::Handle<v8::Array>::Cast(CompileRun(
"obj.__proto__ = holder;"
"var result = [];"
"for (var i = 0; i < 10; i++) {"
" holder.x = i;"
" result.push(obj.x);"
"}"
"result"));
CHECK_EQ(10, array->Length());
for (int i = 0; i < 10; i++) {
v8::Handle<Value> entry = array->Get(v8::Integer::New(i));
CHECK_EQ(v8::Integer::New(i), entry);
}
}
static v8::Handle<Value> NoBlockGetterX(Local<String> name,
const AccessorInfo&) {
return v8::Handle<Value>();
}
static v8::Handle<Value> NoBlockGetterI(uint32_t index,
const AccessorInfo&) {
return v8::Handle<Value>();
}
static v8::Handle<v8::Boolean> PDeleter(Local<String> name,
const AccessorInfo&) {
if (!name->Equals(v8_str("foo"))) {
return v8::Handle<v8::Boolean>(); // not intercepted
}
return v8::False(); // intercepted, and don't delete the property
}
static v8::Handle<v8::Boolean> IDeleter(uint32_t index, const AccessorInfo&) {
if (index != 2) {
return v8::Handle<v8::Boolean>(); // not intercepted
}
return v8::False(); // intercepted, and don't delete the property
}
THREADED_TEST(Deleter) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> obj = ObjectTemplate::New();
obj->SetNamedPropertyHandler(NoBlockGetterX, NULL, NULL, PDeleter, NULL);
obj->SetIndexedPropertyHandler(NoBlockGetterI, NULL, NULL, IDeleter, NULL);
LocalContext context;
context->Global()->Set(v8_str("k"), obj->NewInstance());
CompileRun(
"k.foo = 'foo';"
"k.bar = 'bar';"
"k[2] = 2;"
"k[4] = 4;");
CHECK(v8_compile("delete k.foo")->Run()->IsFalse());
CHECK(v8_compile("delete k.bar")->Run()->IsTrue());
CHECK_EQ(v8_compile("k.foo")->Run(), v8_str("foo"));
CHECK(v8_compile("k.bar")->Run()->IsUndefined());
CHECK(v8_compile("delete k[2]")->Run()->IsFalse());
CHECK(v8_compile("delete k[4]")->Run()->IsTrue());
CHECK_EQ(v8_compile("k[2]")->Run(), v8_num(2));
CHECK(v8_compile("k[4]")->Run()->IsUndefined());
}
static v8::Handle<Value> GetK(Local<String> name, const AccessorInfo&) {
ApiTestFuzzer::Fuzz();
return v8::Undefined();
}
static v8::Handle<v8::Array> NamedEnum(const AccessorInfo&) {
ApiTestFuzzer::Fuzz();
v8::Handle<v8::Array> result = v8::Array::New(3);
result->Set(v8::Integer::New(0), v8_str("foo"));
result->Set(v8::Integer::New(1), v8_str("bar"));
result->Set(v8::Integer::New(2), v8_str("baz"));
return result;
}
static v8::Handle<v8::Array> IndexedEnum(const AccessorInfo&) {
ApiTestFuzzer::Fuzz();
v8::Handle<v8::Array> result = v8::Array::New(2);
result->Set(v8::Integer::New(0), v8_str("hat"));
result->Set(v8::Integer::New(1), v8_str("gyt"));
return result;
}
THREADED_TEST(Enumerators) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> obj = ObjectTemplate::New();
obj->SetNamedPropertyHandler(GetK, NULL, NULL, NULL, NamedEnum);
obj->SetIndexedPropertyHandler(NULL, NULL, NULL, NULL, IndexedEnum);
LocalContext context;
context->Global()->Set(v8_str("k"), obj->NewInstance());
v8::Handle<v8::Array> result = v8::Handle<v8::Array>::Cast(CompileRun(
"var result = [];"
"for (var prop in k) {"
" result.push(prop);"
"}"
"result"));
CHECK_EQ(5, result->Length());
CHECK_EQ(v8_str("foo"), result->Get(v8::Integer::New(0)));
CHECK_EQ(v8_str("bar"), result->Get(v8::Integer::New(1)));
CHECK_EQ(v8_str("baz"), result->Get(v8::Integer::New(2)));
CHECK_EQ(v8_str("hat"), result->Get(v8::Integer::New(3)));
CHECK_EQ(v8_str("gyt"), result->Get(v8::Integer::New(4)));
}
int p_getter_count;
int p_getter_count2;
static v8::Handle<Value> PGetter(Local<String> name, const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
p_getter_count++;
v8::Handle<v8::Object> global = Context::GetCurrent()->Global();
CHECK_EQ(info.Holder(), global->Get(v8_str("o1")));
if (name->Equals(v8_str("p1"))) {
CHECK_EQ(info.This(), global->Get(v8_str("o1")));
} else if (name->Equals(v8_str("p2"))) {
CHECK_EQ(info.This(), global->Get(v8_str("o2")));
} else if (name->Equals(v8_str("p3"))) {
CHECK_EQ(info.This(), global->Get(v8_str("o3")));
} else if (name->Equals(v8_str("p4"))) {
CHECK_EQ(info.This(), global->Get(v8_str("o4")));
}
return v8::Undefined();
}
static void RunHolderTest(v8::Handle<v8::ObjectTemplate> obj) {
ApiTestFuzzer::Fuzz();
LocalContext context;
context->Global()->Set(v8_str("o1"), obj->NewInstance());
CompileRun(
"o1.__proto__ = { };"
"var o2 = { __proto__: o1 };"
"var o3 = { __proto__: o2 };"
"var o4 = { __proto__: o3 };"
"for (var i = 0; i < 10; i++) o4.p4;"
"for (var i = 0; i < 10; i++) o3.p3;"
"for (var i = 0; i < 10; i++) o2.p2;"
"for (var i = 0; i < 10; i++) o1.p1;");
}
static v8::Handle<Value> PGetter2(Local<String> name,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
p_getter_count2++;
v8::Handle<v8::Object> global = Context::GetCurrent()->Global();
CHECK_EQ(info.Holder(), global->Get(v8_str("o1")));
if (name->Equals(v8_str("p1"))) {
CHECK_EQ(info.This(), global->Get(v8_str("o1")));
} else if (name->Equals(v8_str("p2"))) {
CHECK_EQ(info.This(), global->Get(v8_str("o2")));
} else if (name->Equals(v8_str("p3"))) {
CHECK_EQ(info.This(), global->Get(v8_str("o3")));
} else if (name->Equals(v8_str("p4"))) {
CHECK_EQ(info.This(), global->Get(v8_str("o4")));
}
return v8::Undefined();
}
THREADED_TEST(GetterHolders) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> obj = ObjectTemplate::New();
obj->SetAccessor(v8_str("p1"), PGetter);
obj->SetAccessor(v8_str("p2"), PGetter);
obj->SetAccessor(v8_str("p3"), PGetter);
obj->SetAccessor(v8_str("p4"), PGetter);
p_getter_count = 0;
RunHolderTest(obj);
CHECK_EQ(40, p_getter_count);
}
THREADED_TEST(PreInterceptorHolders) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> obj = ObjectTemplate::New();
obj->SetNamedPropertyHandler(PGetter2);
p_getter_count2 = 0;
RunHolderTest(obj);
CHECK_EQ(40, p_getter_count2);
}
THREADED_TEST(ObjectInstantiation) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> templ = ObjectTemplate::New();
templ->SetAccessor(v8_str("t"), PGetter2);
LocalContext context;
context->Global()->Set(v8_str("o"), templ->NewInstance());
for (int i = 0; i < 100; i++) {
v8::HandleScope inner_scope;
v8::Handle<v8::Object> obj = templ->NewInstance();
CHECK_NE(obj, context->Global()->Get(v8_str("o")));
context->Global()->Set(v8_str("o2"), obj);
v8::Handle<Value> value =
Script::Compile(v8_str("o.__proto__ === o2.__proto__"))->Run();
CHECK_EQ(v8::True(), value);
context->Global()->Set(v8_str("o"), obj);
}
}
THREADED_TEST(StringWrite) {
v8::HandleScope scope;
v8::Handle<String> str = v8_str("abcde");
char buf[100];
int len;
memset(buf, 0x1, sizeof(buf));
len = str->WriteAscii(buf);
CHECK_EQ(len, 5);
CHECK_EQ(strncmp("abcde\0", buf, 6), 0);
memset(buf, 0x1, sizeof(buf));
len = str->WriteAscii(buf, 0, 4);
CHECK_EQ(len, 4);
CHECK_EQ(strncmp("abcd\1", buf, 5), 0);
memset(buf, 0x1, sizeof(buf));
len = str->WriteAscii(buf, 0, 5);
CHECK_EQ(len, 5);
CHECK_EQ(strncmp("abcde\1", buf, 6), 0);
memset(buf, 0x1, sizeof(buf));
len = str->WriteAscii(buf, 0, 6);
CHECK_EQ(len, 5);
CHECK_EQ(strncmp("abcde\0", buf, 6), 0);
memset(buf, 0x1, sizeof(buf));
len = str->WriteAscii(buf, 4, -1);
CHECK_EQ(len, 1);
CHECK_EQ(strncmp("e\0", buf, 2), 0);
memset(buf, 0x1, sizeof(buf));
len = str->WriteAscii(buf, 4, 6);
CHECK_EQ(len, 1);
CHECK_EQ(strncmp("e\0", buf, 2), 0);
memset(buf, 0x1, sizeof(buf));
len = str->WriteAscii(buf, 4, 1);
CHECK_EQ(len, 1);
CHECK_EQ(strncmp("e\1", buf, 2), 0);
}
THREADED_TEST(ToArrayIndex) {
v8::HandleScope scope;
LocalContext context;
v8::Handle<String> str = v8_str("42");
v8::Handle<v8::Uint32> index = str->ToArrayIndex();
CHECK(!index.IsEmpty());
CHECK_EQ(42.0, index->Uint32Value());
str = v8_str("42asdf");
index = str->ToArrayIndex();
CHECK(index.IsEmpty());
str = v8_str("-42");
index = str->ToArrayIndex();
CHECK(index.IsEmpty());
str = v8_str("4294967295");
index = str->ToArrayIndex();
CHECK(!index.IsEmpty());
CHECK_EQ(4294967295.0, index->Uint32Value());
v8::Handle<v8::Number> num = v8::Number::New(1);
index = num->ToArrayIndex();
CHECK(!index.IsEmpty());
CHECK_EQ(1.0, index->Uint32Value());
num = v8::Number::New(-1);
index = num->ToArrayIndex();
CHECK(index.IsEmpty());
v8::Handle<v8::Object> obj = v8::Object::New();
index = obj->ToArrayIndex();
CHECK(index.IsEmpty());
}
THREADED_TEST(ErrorConstruction) {
v8::HandleScope scope;
LocalContext context;
v8::Handle<String> foo = v8_str("foo");
v8::Handle<String> message = v8_str("message");
v8::Handle<Value> range_error = v8::Exception::RangeError(foo);
CHECK(range_error->IsObject());
v8::Handle<v8::Object> range_obj(v8::Handle<v8::Object>::Cast(range_error));
CHECK(v8::Handle<v8::Object>::Cast(range_error)->Get(message)->Equals(foo));
v8::Handle<Value> reference_error = v8::Exception::ReferenceError(foo);
CHECK(reference_error->IsObject());
CHECK(
v8::Handle<v8::Object>::Cast(reference_error)->Get(message)->Equals(foo));
v8::Handle<Value> syntax_error = v8::Exception::SyntaxError(foo);
CHECK(syntax_error->IsObject());
CHECK(v8::Handle<v8::Object>::Cast(syntax_error)->Get(message)->Equals(foo));
v8::Handle<Value> type_error = v8::Exception::TypeError(foo);
CHECK(type_error->IsObject());
CHECK(v8::Handle<v8::Object>::Cast(type_error)->Get(message)->Equals(foo));
v8::Handle<Value> error = v8::Exception::Error(foo);
CHECK(error->IsObject());
CHECK(v8::Handle<v8::Object>::Cast(error)->Get(message)->Equals(foo));
}
static v8::Handle<Value> YGetter(Local<String> name, const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
return v8_num(10);
}
static void YSetter(Local<String> name,
Local<Value> value,
const AccessorInfo& info) {
if (info.This()->Has(name)) {
info.This()->Delete(name);
}
info.This()->Set(name, value);
}
THREADED_TEST(DeleteAccessor) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> obj = ObjectTemplate::New();
obj->SetAccessor(v8_str("y"), YGetter, YSetter);
LocalContext context;
v8::Handle<v8::Object> holder = obj->NewInstance();
context->Global()->Set(v8_str("holder"), holder);
v8::Handle<Value> result = CompileRun(
"holder.y = 11; holder.y = 12; holder.y");
CHECK_EQ(12, result->Uint32Value());
}
THREADED_TEST(TypeSwitch) {
v8::HandleScope scope;
v8::Handle<v8::FunctionTemplate> templ1 = v8::FunctionTemplate::New();
v8::Handle<v8::FunctionTemplate> templ2 = v8::FunctionTemplate::New();
v8::Handle<v8::FunctionTemplate> templ3 = v8::FunctionTemplate::New();
v8::Handle<v8::FunctionTemplate> templs[3] = { templ1, templ2, templ3 };
v8::Handle<v8::TypeSwitch> type_switch = v8::TypeSwitch::New(3, templs);
LocalContext context;
v8::Handle<v8::Object> obj0 = v8::Object::New();
v8::Handle<v8::Object> obj1 = templ1->GetFunction()->NewInstance();
v8::Handle<v8::Object> obj2 = templ2->GetFunction()->NewInstance();
v8::Handle<v8::Object> obj3 = templ3->GetFunction()->NewInstance();
for (int i = 0; i < 10; i++) {
CHECK_EQ(0, type_switch->match(obj0));
CHECK_EQ(1, type_switch->match(obj1));
CHECK_EQ(2, type_switch->match(obj2));
CHECK_EQ(3, type_switch->match(obj3));
CHECK_EQ(3, type_switch->match(obj3));
CHECK_EQ(2, type_switch->match(obj2));
CHECK_EQ(1, type_switch->match(obj1));
CHECK_EQ(0, type_switch->match(obj0));
}
}
// For use within the TestSecurityHandler() test.
static bool g_security_callback_result = false;
static bool NamedSecurityTestCallback(Local<v8::Object> global,
Local<Value> name,
v8::AccessType type,
Local<Value> data) {
// Always allow read access.
if (type == v8::ACCESS_GET)
return true;
// Sometimes allow other access.
return g_security_callback_result;
}
static bool IndexedSecurityTestCallback(Local<v8::Object> global,
uint32_t key,
v8::AccessType type,
Local<Value> data) {
// Always allow read access.
if (type == v8::ACCESS_GET)
return true;
// Sometimes allow other access.
return g_security_callback_result;
}
static int trouble_nesting = 0;
static v8::Handle<Value> TroubleCallback(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
trouble_nesting++;
// Call a JS function that throws an uncaught exception.
Local<v8::Object> arg_this = Context::GetCurrent()->Global();
Local<Value> trouble_callee = (trouble_nesting == 3) ?
arg_this->Get(v8_str("trouble_callee")) :
arg_this->Get(v8_str("trouble_caller"));
CHECK(trouble_callee->IsFunction());
return Function::Cast(*trouble_callee)->Call(arg_this, 0, NULL);
}
static int report_count = 0;
static void ApiUncaughtExceptionTestListener(v8::Handle<v8::Message>,
v8::Handle<Value>) {
report_count++;
}
// Counts uncaught exceptions, but other tests running in parallel
// also have uncaught exceptions.
TEST(ApiUncaughtException) {
report_count = 0;
v8::HandleScope scope;
LocalContext env;
v8::V8::AddMessageListener(ApiUncaughtExceptionTestListener);
Local<v8::FunctionTemplate> fun = v8::FunctionTemplate::New(TroubleCallback);
v8::Local<v8::Object> global = env->Global();
global->Set(v8_str("trouble"), fun->GetFunction());
Script::Compile(v8_str("function trouble_callee() {"
" var x = null;"
" return x.foo;"
"};"
"function trouble_caller() {"
" trouble();"
"};"))->Run();
Local<Value> trouble = global->Get(v8_str("trouble"));
CHECK(trouble->IsFunction());
Local<Value> trouble_callee = global->Get(v8_str("trouble_callee"));
CHECK(trouble_callee->IsFunction());
Local<Value> trouble_caller = global->Get(v8_str("trouble_caller"));
CHECK(trouble_caller->IsFunction());
Function::Cast(*trouble_caller)->Call(global, 0, NULL);
CHECK_EQ(1, report_count);
v8::V8::RemoveMessageListeners(ApiUncaughtExceptionTestListener);
}
TEST(CompilationErrorUsingTryCatchHandler) {
v8::HandleScope scope;
LocalContext env;
v8::TryCatch try_catch;
Script::Compile(v8_str("This doesn't &*&@#$&*^ compile."));
CHECK_NE(NULL, *try_catch.Exception());
CHECK(try_catch.HasCaught());
}
TEST(TryCatchFinallyUsingTryCatchHandler) {
v8::HandleScope scope;
LocalContext env;
v8::TryCatch try_catch;
Script::Compile(v8_str("try { throw ''; } catch (e) {}"))->Run();
CHECK(!try_catch.HasCaught());
Script::Compile(v8_str("try { throw ''; } finally {}"))->Run();
CHECK(try_catch.HasCaught());
try_catch.Reset();
Script::Compile(v8_str("(function() {"
"try { throw ''; } finally { return; }"
"})()"))->Run();
CHECK(!try_catch.HasCaught());
Script::Compile(v8_str("(function()"
" { try { throw ''; } finally { throw 0; }"
"})()"))->Run();
CHECK(try_catch.HasCaught());
}
// SecurityHandler can't be run twice
TEST(SecurityHandler) {
v8::HandleScope scope0;
v8::Handle<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New();
global_template->SetAccessCheckCallbacks(NamedSecurityTestCallback,
IndexedSecurityTestCallback);
// Create an environment
v8::Persistent<Context> context0 =
Context::New(NULL, global_template);
context0->Enter();
v8::Handle<v8::Object> global0 = context0->Global();
v8::Handle<Script> script0 = v8_compile("foo = 111");
script0->Run();
global0->Set(v8_str("0"), v8_num(999));
v8::Handle<Value> foo0 = global0->Get(v8_str("foo"));
CHECK_EQ(111, foo0->Int32Value());
v8::Handle<Value> z0 = global0->Get(v8_str("0"));
CHECK_EQ(999, z0->Int32Value());
// Create another environment, should fail security checks.
v8::HandleScope scope1;
v8::Persistent<Context> context1 =
Context::New(NULL, global_template);
context1->Enter();
v8::Handle<v8::Object> global1 = context1->Global();
global1->Set(v8_str("othercontext"), global0);
// This set will fail the security check.
v8::Handle<Script> script1 =
v8_compile("othercontext.foo = 222; othercontext[0] = 888;");
script1->Run();
// This read will pass the security check.
v8::Handle<Value> foo1 = global0->Get(v8_str("foo"));
CHECK_EQ(111, foo1->Int32Value());
// This read will pass the security check.
v8::Handle<Value> z1 = global0->Get(v8_str("0"));
CHECK_EQ(999, z1->Int32Value());
// Create another environment, should pass security checks.
{ g_security_callback_result = true; // allow security handler to pass.
v8::HandleScope scope2;
LocalContext context2;
v8::Handle<v8::Object> global2 = context2->Global();
global2->Set(v8_str("othercontext"), global0);
v8::Handle<Script> script2 =
v8_compile("othercontext.foo = 333; othercontext[0] = 888;");
script2->Run();
v8::Handle<Value> foo2 = global0->Get(v8_str("foo"));
CHECK_EQ(333, foo2->Int32Value());
v8::Handle<Value> z2 = global0->Get(v8_str("0"));
CHECK_EQ(888, z2->Int32Value());
}
context1->Exit();
context1.Dispose();
context0->Exit();
context0.Dispose();
}
THREADED_TEST(SecurityChecks) {
v8::HandleScope handle_scope;
LocalContext env1;
v8::Persistent<Context> env2 = Context::New();
Local<Value> foo = v8_str("foo");
Local<Value> bar = v8_str("bar");
// Set to the same domain.
env1->SetSecurityToken(foo);
// Create a function in env1.
Script::Compile(v8_str("spy=function(){return spy;}"))->Run();
Local<Value> spy = env1->Global()->Get(v8_str("spy"));
CHECK(spy->IsFunction());
// Create another function accessing global objects.
Script::Compile(v8_str("spy2=function(){return new this.Array();}"))->Run();
Local<Value> spy2 = env1->Global()->Get(v8_str("spy2"));
CHECK(spy2->IsFunction());
// Switch to env2 in the same domain and invoke spy on env2.
{
env2->SetSecurityToken(foo);
// Enter env2
Context::Scope scope_env2(env2);
Local<Value> result = Function::Cast(*spy)->Call(env2->Global(), 0, NULL);
CHECK(result->IsFunction());
}
{
env2->SetSecurityToken(bar);
Context::Scope scope_env2(env2);
// Call cross_domain_call, it should throw an exception
v8::TryCatch try_catch;
Function::Cast(*spy2)->Call(env2->Global(), 0, NULL);
CHECK(try_catch.HasCaught());
}
env2.Dispose();
}
// Regression test case for issue 1183439.
THREADED_TEST(SecurityChecksForPrototypeChain) {
v8::HandleScope scope;
LocalContext current;
v8::Persistent<Context> other = Context::New();
// Change context to be able to get to the Object function in the
// other context without hitting the security checks.
v8::Local<Value> other_object;
{ Context::Scope scope(other);
other_object = other->Global()->Get(v8_str("Object"));
other->Global()->Set(v8_num(42), v8_num(87));
}
current->Global()->Set(v8_str("other"), other->Global());
CHECK(v8_compile("other")->Run()->Equals(other->Global()));
// Make sure the security check fails here and we get an undefined
// result instead of getting the Object function. Repeat in a loop
// to make sure to exercise the IC code.
v8::Local<Script> access_other0 = v8_compile("other.Object");
v8::Local<Script> access_other1 = v8_compile("other[42]");
for (int i = 0; i < 5; i++) {
CHECK(!access_other0->Run()->Equals(other_object));
CHECK(access_other0->Run()->IsUndefined());
CHECK(!access_other1->Run()->Equals(v8_num(87)));
CHECK(access_other1->Run()->IsUndefined());
}
// Create an object that has 'other' in its prototype chain and make
// sure we cannot access the Object function indirectly through
// that. Repeat in a loop to make sure to exercise the IC code.
v8_compile("function F() { };"
"F.prototype = other;"
"var f = new F();")->Run();
v8::Local<Script> access_f0 = v8_compile("f.Object");
v8::Local<Script> access_f1 = v8_compile("f[42]");
for (int j = 0; j < 5; j++) {
CHECK(!access_f0->Run()->Equals(other_object));
CHECK(access_f0->Run()->IsUndefined());
CHECK(!access_f1->Run()->Equals(v8_num(87)));
CHECK(access_f1->Run()->IsUndefined());
}
// Now it gets hairy: Set the prototype for the other global object
// to be the current global object. The prototype chain for 'f' now
// goes through 'other' but ends up in the current global object.
{ Context::Scope scope(other);
other->Global()->Set(v8_str("__proto__"), current->Global());
}
// Set a named and an index property on the current global
// object. To force the lookup to go through the other global object,
// the properties must not exist in the other global object.
current->Global()->Set(v8_str("foo"), v8_num(100));
current->Global()->Set(v8_num(99), v8_num(101));
// Try to read the properties from f and make sure that the access
// gets stopped by the security checks on the other global object.
Local<Script> access_f2 = v8_compile("f.foo");
Local<Script> access_f3 = v8_compile("f[99]");
for (int k = 0; k < 5; k++) {
CHECK(!access_f2->Run()->Equals(v8_num(100)));
CHECK(access_f2->Run()->IsUndefined());
CHECK(!access_f3->Run()->Equals(v8_num(101)));
CHECK(access_f3->Run()->IsUndefined());
}
other.Dispose();
}
THREADED_TEST(CrossDomainDelete) {
v8::HandleScope handle_scope;
LocalContext env1;
v8::Persistent<Context> env2 = Context::New();
Local<Value> foo = v8_str("foo");
Local<Value> bar = v8_str("bar");
// Set to the same domain.
env1->SetSecurityToken(foo);
env2->SetSecurityToken(foo);
env1->Global()->Set(v8_str("prop"), v8_num(3));
env2->Global()->Set(v8_str("env1"), env1->Global());
// Change env2 to a different domain and delete env1.prop.
env2->SetSecurityToken(bar);
{
Context::Scope scope_env2(env2);
Local<Value> result =
Script::Compile(v8_str("delete env1.prop"))->Run();
CHECK(result->IsFalse());
}
// Check that env1.prop still exists.
Local<Value> v = env1->Global()->Get(v8_str("prop"));
CHECK(v->IsNumber());
CHECK_EQ(3, v->Int32Value());
env2.Dispose();
}
THREADED_TEST(CrossDomainIsPropertyEnumerable) {
v8::HandleScope handle_scope;
LocalContext env1;
v8::Persistent<Context> env2 = Context::New();
Local<Value> foo = v8_str("foo");
Local<Value> bar = v8_str("bar");
// Set to the same domain.
env1->SetSecurityToken(foo);
env2->SetSecurityToken(foo);
env1->Global()->Set(v8_str("prop"), v8_num(3));
env2->Global()->Set(v8_str("env1"), env1->Global());
// env1.prop is enumerable in env2.
Local<String> test = v8_str("propertyIsEnumerable.call(env1, 'prop')");
{
Context::Scope scope_env2(env2);
Local<Value> result = Script::Compile(test)->Run();
CHECK(result->IsTrue());
}
// Change env2 to a different domain and test again.
env2->SetSecurityToken(bar);
{
Context::Scope scope_env2(env2);
Local<Value> result = Script::Compile(test)->Run();
CHECK(result->IsFalse());
}
env2.Dispose();
}
THREADED_TEST(CrossDomainForIn) {
v8::HandleScope handle_scope;
LocalContext env1;
v8::Persistent<Context> env2 = Context::New();
Local<Value> foo = v8_str("foo");
Local<Value> bar = v8_str("bar");
// Set to the same domain.
env1->SetSecurityToken(foo);
env2->SetSecurityToken(foo);
env1->Global()->Set(v8_str("prop"), v8_num(3));
env2->Global()->Set(v8_str("env1"), env1->Global());
// Change env2 to a different domain and set env1's global object
// as the __proto__ of an object in env2 and enumerate properties
// in for-in. It shouldn't enumerate properties on env1's global
// object.
env2->SetSecurityToken(bar);
{
Context::Scope scope_env2(env2);
Local<Value> result =
CompileRun("(function(){var obj = {'__proto__':env1};"
"for (var p in obj)"
" if (p == 'prop') return false;"
"return true;})()");
CHECK(result->IsTrue());
}
env2.Dispose();
}
TEST(ContextDetachGlobal) {
v8::HandleScope handle_scope;
LocalContext env1;
v8::Persistent<Context> env2 = Context::New();
Local<v8::Object> global1 = env1->Global();
Local<Value> foo = v8_str("foo");
// Set to the same domain.
env1->SetSecurityToken(foo);
env2->SetSecurityToken(foo);
// Enter env2
env2->Enter();
// Create a function in env1
Local<v8::Object> global2 = env2->Global();
global2->Set(v8_str("prop"), v8::Integer::New(1));
CompileRun("function getProp() {return prop;}");
env1->Global()->Set(v8_str("getProp"),
global2->Get(v8_str("getProp")));
// Detach env1's global, and reuse the global object of env1
env2->Exit();
env2->DetachGlobal();
// env2 has a new global object.
CHECK(!env2->Global()->Equals(global2));
v8::Persistent<Context> env3 =
Context::New(0, v8::Handle<v8::ObjectTemplate>(), global2);
env3->SetSecurityToken(v8_str("bar"));
env3->Enter();
Local<v8::Object> global3 = env3->Global();
CHECK_EQ(global2, global3);
CHECK(global3->Get(v8_str("prop"))->IsUndefined());
CHECK(global3->Get(v8_str("getProp"))->IsUndefined());
global3->Set(v8_str("prop"), v8::Integer::New(-1));
global3->Set(v8_str("prop2"), v8::Integer::New(2));
env3->Exit();
// Call getProp in env1, and it should return the value 1
{
Local<Value> get_prop = global1->Get(v8_str("getProp"));
CHECK(get_prop->IsFunction());
v8::TryCatch try_catch;
Local<Value> r = Function::Cast(*get_prop)->Call(global1, 0, NULL);
CHECK(!try_catch.HasCaught());
CHECK_EQ(1, r->Int32Value());
}
// Check that env3 is not accessible from env1
{
Local<Value> r = global3->Get(v8_str("prop2"));
CHECK(r->IsUndefined());
}
env2.Dispose();
env3.Dispose();
}
static bool NamedAccessBlocker(Local<v8::Object> global,
Local<Value> name,
v8::AccessType type,
Local<Value> data) {
return Context::GetCurrent()->Global()->Equals(global);
}
static bool IndexedAccessBlocker(Local<v8::Object> global,
uint32_t key,
v8::AccessType type,
Local<Value> data) {
return Context::GetCurrent()->Global()->Equals(global);
}
static int g_echo_value = -1;
static v8::Handle<Value> EchoGetter(Local<String> name,
const AccessorInfo& info) {
return v8_num(g_echo_value);
}
static void EchoSetter(Local<String> name,
Local<Value> value,
const AccessorInfo&) {
if (value->IsNumber())
g_echo_value = value->Int32Value();
}
static v8::Handle<Value> UnreachableGetter(Local<String> name,
const AccessorInfo& info) {
CHECK(false); // This function should not be called..
return v8::Undefined();
}
static void UnreachableSetter(Local<String>, Local<Value>,
const AccessorInfo&) {
CHECK(false); // This function should nto be called.
}
THREADED_TEST(AccessControl) {
v8::HandleScope handle_scope;
v8::Handle<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New();
global_template->SetAccessCheckCallbacks(NamedAccessBlocker,
IndexedAccessBlocker);
// Add an accessor accessible by cross-domain JS code.
global_template->SetAccessor(
v8_str("accessible_prop"),
EchoGetter, EchoSetter,
v8::Handle<Value>(),
v8::AccessControl(v8::ALL_CAN_READ | v8::ALL_CAN_WRITE));
// Add an accessor that is not accessible by cross-domain JS code.
global_template->SetAccessor(v8_str("blocked_prop"),
UnreachableGetter, UnreachableSetter,
v8::Handle<Value>(),
v8::DEFAULT);
// Create an environment
v8::Persistent<Context> context0 = Context::New(NULL, global_template);
context0->Enter();
v8::Handle<v8::Object> global0 = context0->Global();
v8::HandleScope scope1;
v8::Persistent<Context> context1 = Context::New();
context1->Enter();
v8::Handle<v8::Object> global1 = context1->Global();
global1->Set(v8_str("other"), global0);
v8::Handle<Value> value;
// Access blocked property
value = v8_compile("other.blocked_prop = 1")->Run();
value = v8_compile("other.blocked_prop")->Run();
CHECK(value->IsUndefined());
value = v8_compile("propertyIsEnumerable.call(other, 'blocked_prop')")->Run();
CHECK(value->IsFalse());
// Access accessible property
value = v8_compile("other.accessible_prop = 3")->Run();
CHECK(value->IsNumber());
CHECK_EQ(3, value->Int32Value());
value = v8_compile("other.accessible_prop")->Run();
CHECK(value->IsNumber());
CHECK_EQ(3, value->Int32Value());
value =
v8_compile("propertyIsEnumerable.call(other, 'accessible_prop')")->Run();
CHECK(value->IsTrue());
// Enumeration doesn't enumerate accessors from inaccessible objects in
// the prototype chain even if the accessors are in themselves accessible.
Local<Value> result =
CompileRun("(function(){var obj = {'__proto__':other};"
"for (var p in obj)"
" if (p == 'accessible_prop' || p == 'blocked_prop') {"
" return false;"
" }"
"return true;})()");
CHECK(result->IsTrue());
context1->Exit();
context0->Exit();
context1.Dispose();
context0.Dispose();
}
static v8::Handle<Value> ConstTenGetter(Local<String> name,
const AccessorInfo& info) {
return v8_num(10);
}
THREADED_TEST(CrossDomainAccessors) {
v8::HandleScope handle_scope;
v8::Handle<v8::FunctionTemplate> func_template = v8::FunctionTemplate::New();
v8::Handle<v8::ObjectTemplate> global_template =
func_template->InstanceTemplate();
v8::Handle<v8::ObjectTemplate> proto_template =
func_template->PrototypeTemplate();
// Add an accessor to proto that's accessible by cross-domain JS code.
proto_template->SetAccessor(v8_str("accessible"),
ConstTenGetter, 0,
v8::Handle<Value>(),
v8::ALL_CAN_READ);
// Add an accessor that is not accessible by cross-domain JS code.
global_template->SetAccessor(v8_str("unreachable"),
UnreachableGetter, 0,
v8::Handle<Value>(),
v8::DEFAULT);
v8::Persistent<Context> context0 = Context::New(NULL, global_template);
context0->Enter();
Local<v8::Object> global = context0->Global();
// Add a normal property that shadows 'accessible'
global->Set(v8_str("accessible"), v8_num(11));
// Enter a new context.
v8::HandleScope scope1;
v8::Persistent<Context> context1 = Context::New();
context1->Enter();
v8::Handle<v8::Object> global1 = context1->Global();
global1->Set(v8_str("other"), global);
// Should return 10, instead of 11
v8::Handle<Value> value = v8_compile("other.accessible")->Run();
CHECK(value->IsNumber());
CHECK_EQ(10, value->Int32Value());
value = v8_compile("other.unreachable")->Run();
CHECK(value->IsUndefined());
context1->Exit();
context0->Exit();
context1.Dispose();
context0.Dispose();
}
static int named_access_count = 0;
static int indexed_access_count = 0;
static bool NamedAccessCounter(Local<v8::Object> global,
Local<Value> name,
v8::AccessType type,
Local<Value> data) {
named_access_count++;
return true;
}
static bool IndexedAccessCounter(Local<v8::Object> global,
uint32_t key,
v8::AccessType type,
Local<Value> data) {
indexed_access_count++;
return true;
}
// This one is too easily disturbed by other tests.
TEST(AccessControlIC) {
named_access_count = 0;
indexed_access_count = 0;
v8::HandleScope handle_scope;
// Create an environment.
v8::Persistent<Context> context0 = Context::New();
context0->Enter();
// Create an object that requires access-check functions to be
// called for cross-domain access.
v8::Handle<v8::ObjectTemplate> object_template = v8::ObjectTemplate::New();
object_template->SetAccessCheckCallbacks(NamedAccessCounter,
IndexedAccessCounter);
Local<v8::Object> object = object_template->NewInstance();
v8::HandleScope scope1;
// Create another environment.
v8::Persistent<Context> context1 = Context::New();
context1->Enter();
// Make easy access to the object from the other environment.
v8::Handle<v8::Object> global1 = context1->Global();
global1->Set(v8_str("obj"), object);
v8::Handle<Value> value;
// Check that the named access-control function is called every time.
CompileRun("function testProp(obj) {"
" for (var i = 0; i < 10; i++) obj.prop = 1;"
" for (var j = 0; j < 10; j++) obj.prop;"
" return obj.prop"
"}");
value = CompileRun("testProp(obj)");
CHECK(value->IsNumber());
CHECK_EQ(1, value->Int32Value());
CHECK_EQ(21, named_access_count);
// Check that the named access-control function is called every time.
CompileRun("var p = 'prop';"
"function testKeyed(obj) {"
" for (var i = 0; i < 10; i++) obj[p] = 1;"
" for (var j = 0; j < 10; j++) obj[p];"
" return obj[p];"
"}");
// Use obj which requires access checks. No inline caching is used
// in that case.
value = CompileRun("testKeyed(obj)");
CHECK(value->IsNumber());
CHECK_EQ(1, value->Int32Value());
CHECK_EQ(42, named_access_count);
// Force the inline caches into generic state and try again.
CompileRun("testKeyed({ a: 0 })");
CompileRun("testKeyed({ b: 0 })");
value = CompileRun("testKeyed(obj)");
CHECK(value->IsNumber());
CHECK_EQ(1, value->Int32Value());
CHECK_EQ(63, named_access_count);
// Check that the indexed access-control function is called every time.
CompileRun("function testIndexed(obj) {"
" for (var i = 0; i < 10; i++) obj[0] = 1;"
" for (var j = 0; j < 10; j++) obj[0];"
" return obj[0]"
"}");
value = CompileRun("testIndexed(obj)");
CHECK(value->IsNumber());
CHECK_EQ(1, value->Int32Value());
CHECK_EQ(21, indexed_access_count);
// Force the inline caches into generic state.
CompileRun("testIndexed(new Array(1))");
// Test that the indexed access check is called.
value = CompileRun("testIndexed(obj)");
CHECK(value->IsNumber());
CHECK_EQ(1, value->Int32Value());
CHECK_EQ(42, indexed_access_count);
// Check that the named access check is called when invoking
// functions on an object that requires access checks.
CompileRun("obj.f = function() {}");
CompileRun("function testCallNormal(obj) {"
" for (var i = 0; i < 10; i++) obj.f();"
"}");
CompileRun("testCallNormal(obj)");
CHECK_EQ(74, named_access_count);
// Force obj into slow case.
value = CompileRun("delete obj.prop");
CHECK(value->BooleanValue());
// Force inline caches into dictionary probing mode.
CompileRun("var o = { x: 0 }; delete o.x; testProp(o);");
// Test that the named access check is called.
value = CompileRun("testProp(obj);");
CHECK(value->IsNumber());
CHECK_EQ(1, value->Int32Value());
CHECK_EQ(96, named_access_count);
// Force the call inline cache into dictionary probing mode.
CompileRun("o.f = function() {}; testCallNormal(o)");
// Test that the named access check is still called for each
// invocation of the function.
value = CompileRun("testCallNormal(obj)");
CHECK_EQ(106, named_access_count);
context1->Exit();
context0->Exit();
context1.Dispose();
context0.Dispose();
}
static bool NamedAccessFlatten(Local<v8::Object> global,
Local<Value> name,
v8::AccessType type,
Local<Value> data) {
char buf[100];
int len;
CHECK(name->IsString());
memset(buf, 0x1, sizeof(buf));
len = Local<String>::Cast(name)->WriteAscii(buf);
CHECK_EQ(4, len);
uint16_t buf2[100];
memset(buf, 0x1, sizeof(buf));
len = Local<String>::Cast(name)->Write(buf2);
CHECK_EQ(4, len);
return true;
}
static bool IndexedAccessFlatten(Local<v8::Object> global,
uint32_t key,
v8::AccessType type,
Local<Value> data) {
return true;
}
// Regression test. In access checks, operations that may cause
// garbage collection are not allowed. It used to be the case that
// using the Write operation on a string could cause a garbage
// collection due to flattening of the string. This is no longer the
// case.
THREADED_TEST(AccessControlFlatten) {
named_access_count = 0;
indexed_access_count = 0;
v8::HandleScope handle_scope;
// Create an environment.
v8::Persistent<Context> context0 = Context::New();
context0->Enter();
// Create an object that requires access-check functions to be
// called for cross-domain access.
v8::Handle<v8::ObjectTemplate> object_template = v8::ObjectTemplate::New();
object_template->SetAccessCheckCallbacks(NamedAccessFlatten,
IndexedAccessFlatten);
Local<v8::Object> object = object_template->NewInstance();
v8::HandleScope scope1;
// Create another environment.
v8::Persistent<Context> context1 = Context::New();
context1->Enter();
// Make easy access to the object from the other environment.
v8::Handle<v8::Object> global1 = context1->Global();
global1->Set(v8_str("obj"), object);
v8::Handle<Value> value;
value = v8_compile("var p = 'as' + 'df';")->Run();
value = v8_compile("obj[p];")->Run();
context1->Exit();
context0->Exit();
context1.Dispose();
context0.Dispose();
}
static v8::Handle<Value> AccessControlNamedGetter(
Local<String>, const AccessorInfo&) {
return v8::Integer::New(42);
}
static v8::Handle<Value> AccessControlNamedSetter(
Local<String>, Local<Value> value, const AccessorInfo&) {
return value;
}
static v8::Handle<Value> AccessControlIndexedGetter(
uint32_t index,
const AccessorInfo& info) {
return v8_num(42);
}
static v8::Handle<Value> AccessControlIndexedSetter(
uint32_t, Local<Value> value, const AccessorInfo&) {
return value;
}
THREADED_TEST(AccessControlInterceptorIC) {
named_access_count = 0;
indexed_access_count = 0;
v8::HandleScope handle_scope;
// Create an environment.
v8::Persistent<Context> context0 = Context::New();
context0->Enter();
// Create an object that requires access-check functions to be
// called for cross-domain access. The object also has interceptors
// interceptor.
v8::Handle<v8::ObjectTemplate> object_template = v8::ObjectTemplate::New();
object_template->SetAccessCheckCallbacks(NamedAccessCounter,
IndexedAccessCounter);
object_template->SetNamedPropertyHandler(AccessControlNamedGetter,
AccessControlNamedSetter);
object_template->SetIndexedPropertyHandler(AccessControlIndexedGetter,
AccessControlIndexedSetter);
Local<v8::Object> object = object_template->NewInstance();
v8::HandleScope scope1;
// Create another environment.
v8::Persistent<Context> context1 = Context::New();
context1->Enter();
// Make easy access to the object from the other environment.
v8::Handle<v8::Object> global1 = context1->Global();
global1->Set(v8_str("obj"), object);
v8::Handle<Value> value;
// Check that the named access-control function is called every time
// eventhough there is an interceptor on the object.
value = v8_compile("for (var i = 0; i < 10; i++) obj.x = 1;")->Run();
value = v8_compile("for (var i = 0; i < 10; i++) obj.x;"
"obj.x")->Run();
CHECK(value->IsNumber());
CHECK_EQ(42, value->Int32Value());
CHECK_EQ(21, named_access_count);
value = v8_compile("var p = 'x';")->Run();
value = v8_compile("for (var i = 0; i < 10; i++) obj[p] = 1;")->Run();
value = v8_compile("for (var i = 0; i < 10; i++) obj[p];"
"obj[p]")->Run();
CHECK(value->IsNumber());
CHECK_EQ(42, value->Int32Value());
CHECK_EQ(42, named_access_count);
// Check that the indexed access-control function is called every
// time eventhough there is an interceptor on the object.
value = v8_compile("for (var i = 0; i < 10; i++) obj[0] = 1;")->Run();
value = v8_compile("for (var i = 0; i < 10; i++) obj[0];"
"obj[0]")->Run();
CHECK(value->IsNumber());
CHECK_EQ(42, value->Int32Value());
CHECK_EQ(21, indexed_access_count);
context1->Exit();
context0->Exit();
context1.Dispose();
context0.Dispose();
}
THREADED_TEST(Version) {
v8::V8::GetVersion();
}
static v8::Handle<Value> InstanceFunctionCallback(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
return v8_num(12);
}
THREADED_TEST(InstanceProperties) {
v8::HandleScope handle_scope;
LocalContext context;
Local<v8::FunctionTemplate> t = v8::FunctionTemplate::New();
Local<ObjectTemplate> instance = t->InstanceTemplate();
instance->Set(v8_str("x"), v8_num(42));
instance->Set(v8_str("f"),
v8::FunctionTemplate::New(InstanceFunctionCallback));
Local<Value> o = t->GetFunction()->NewInstance();
context->Global()->Set(v8_str("i"), o);
Local<Value> value = Script::Compile(v8_str("i.x"))->Run();
CHECK_EQ(42, value->Int32Value());
value = Script::Compile(v8_str("i.f()"))->Run();
CHECK_EQ(12, value->Int32Value());
}
static v8::Handle<Value>
GlobalObjectInstancePropertiesGet(Local<String> key, const AccessorInfo&) {
ApiTestFuzzer::Fuzz();
return v8::Handle<Value>();
}
THREADED_TEST(GlobalObjectInstanceProperties) {
v8::HandleScope handle_scope;
Local<Value> global_object;
Local<v8::FunctionTemplate> t = v8::FunctionTemplate::New();
t->InstanceTemplate()->SetNamedPropertyHandler(
GlobalObjectInstancePropertiesGet);
Local<ObjectTemplate> instance_template = t->InstanceTemplate();
instance_template->Set(v8_str("x"), v8_num(42));
instance_template->Set(v8_str("f"),
v8::FunctionTemplate::New(InstanceFunctionCallback));
{
LocalContext env(NULL, instance_template);
// Hold on to the global object so it can be used again in another
// environment initialization.
global_object = env->Global();
Local<Value> value = Script::Compile(v8_str("x"))->Run();
CHECK_EQ(42, value->Int32Value());
value = Script::Compile(v8_str("f()"))->Run();
CHECK_EQ(12, value->Int32Value());
}
{
// Create new environment reusing the global object.
LocalContext env(NULL, instance_template, global_object);
Local<Value> value = Script::Compile(v8_str("x"))->Run();
CHECK_EQ(42, value->Int32Value());
value = Script::Compile(v8_str("f()"))->Run();
CHECK_EQ(12, value->Int32Value());
}
}
static v8::Handle<Value> ShadowFunctionCallback(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
return v8_num(42);
}
static int shadow_y;
static int shadow_y_setter_call_count;
static int shadow_y_getter_call_count;
static void ShadowYSetter(Local<String>, Local<Value>, const AccessorInfo&) {
shadow_y_setter_call_count++;
shadow_y = 42;
}
static v8::Handle<Value> ShadowYGetter(Local<String> name,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
shadow_y_getter_call_count++;
return v8_num(shadow_y);
}
static v8::Handle<Value> ShadowIndexedGet(uint32_t index,
const AccessorInfo& info) {
return v8::Handle<Value>();
}
static v8::Handle<Value> ShadowNamedGet(Local<String> key,
const AccessorInfo&) {
return v8::Handle<Value>();
}
THREADED_TEST(ShadowObject) {
shadow_y = shadow_y_setter_call_count = shadow_y_getter_call_count = 0;
v8::HandleScope handle_scope;
Local<ObjectTemplate> global_template = v8::ObjectTemplate::New();
LocalContext context(NULL, global_template);
Local<v8::FunctionTemplate> t = v8::FunctionTemplate::New();
t->InstanceTemplate()->SetNamedPropertyHandler(ShadowNamedGet);
t->InstanceTemplate()->SetIndexedPropertyHandler(ShadowIndexedGet);
Local<ObjectTemplate> proto = t->PrototypeTemplate();
Local<ObjectTemplate> instance = t->InstanceTemplate();
// Only allow calls of f on instances of t.
Local<v8::Signature> signature = v8::Signature::New(t);
proto->Set(v8_str("f"),
v8::FunctionTemplate::New(ShadowFunctionCallback,
Local<Value>(),
signature));
proto->Set(v8_str("x"), v8_num(12));
instance->SetAccessor(v8_str("y"), ShadowYGetter, ShadowYSetter);
Local<Value> o = t->GetFunction()->NewInstance();
context->Global()->Set(v8_str("__proto__"), o);
Local<Value> value =
Script::Compile(v8_str("propertyIsEnumerable(0)"))->Run();
CHECK(value->IsBoolean());
CHECK(!value->BooleanValue());
value = Script::Compile(v8_str("x"))->Run();
CHECK_EQ(12, value->Int32Value());
value = Script::Compile(v8_str("f()"))->Run();
CHECK_EQ(42, value->Int32Value());
Script::Compile(v8_str("y = 42"))->Run();
CHECK_EQ(1, shadow_y_setter_call_count);
value = Script::Compile(v8_str("y"))->Run();
CHECK_EQ(1, shadow_y_getter_call_count);
CHECK_EQ(42, value->Int32Value());
}
THREADED_TEST(HiddenPrototype) {
v8::HandleScope handle_scope;
LocalContext context;
Local<v8::FunctionTemplate> t0 = v8::FunctionTemplate::New();
t0->InstanceTemplate()->Set(v8_str("x"), v8_num(0));
Local<v8::FunctionTemplate> t1 = v8::FunctionTemplate::New();
t1->SetHiddenPrototype(true);
t1->InstanceTemplate()->Set(v8_str("y"), v8_num(1));
Local<v8::FunctionTemplate> t2 = v8::FunctionTemplate::New();
t2->SetHiddenPrototype(true);
t2->InstanceTemplate()->Set(v8_str("z"), v8_num(2));
Local<v8::FunctionTemplate> t3 = v8::FunctionTemplate::New();
t3->InstanceTemplate()->Set(v8_str("u"), v8_num(3));
Local<v8::Object> o0 = t0->GetFunction()->NewInstance();
Local<v8::Object> o1 = t1->GetFunction()->NewInstance();
Local<v8::Object> o2 = t2->GetFunction()->NewInstance();
Local<v8::Object> o3 = t3->GetFunction()->NewInstance();
// Setting the prototype on an object skips hidden prototypes.
CHECK_EQ(0, o0->Get(v8_str("x"))->Int32Value());
o0->Set(v8_str("__proto__"), o1);
CHECK_EQ(0, o0->Get(v8_str("x"))->Int32Value());
CHECK_EQ(1, o0->Get(v8_str("y"))->Int32Value());
o0->Set(v8_str("__proto__"), o2);
CHECK_EQ(0, o0->Get(v8_str("x"))->Int32Value());
CHECK_EQ(1, o0->Get(v8_str("y"))->Int32Value());
CHECK_EQ(2, o0->Get(v8_str("z"))->Int32Value());
o0->Set(v8_str("__proto__"), o3);
CHECK_EQ(0, o0->Get(v8_str("x"))->Int32Value());
CHECK_EQ(1, o0->Get(v8_str("y"))->Int32Value());
CHECK_EQ(2, o0->Get(v8_str("z"))->Int32Value());
CHECK_EQ(3, o0->Get(v8_str("u"))->Int32Value());
// Getting the prototype of o0 should get the first visible one
// which is o3. Therefore, z should not be defined on the prototype
// object.
Local<Value> proto = o0->Get(v8_str("__proto__"));
CHECK(proto->IsObject());
CHECK(Local<v8::Object>::Cast(proto)->Get(v8_str("z"))->IsUndefined());
}
THREADED_TEST(GetterSetterExceptions) {
v8::HandleScope handle_scope;
LocalContext context;
CompileRun(
"function Foo() { };"
"function Throw() { throw 5; };"
"var x = { };"
"x.__defineSetter__('set', Throw);"
"x.__defineGetter__('get', Throw);");
Local<v8::Object> x =
Local<v8::Object>::Cast(context->Global()->Get(v8_str("x")));
v8::TryCatch try_catch;
x->Set(v8_str("set"), v8::Integer::New(8));
x->Get(v8_str("get"));
x->Set(v8_str("set"), v8::Integer::New(8));
x->Get(v8_str("get"));
x->Set(v8_str("set"), v8::Integer::New(8));
x->Get(v8_str("get"));
x->Set(v8_str("set"), v8::Integer::New(8));
x->Get(v8_str("get"));
}
THREADED_TEST(Constructor) {
v8::HandleScope handle_scope;
LocalContext context;
Local<v8::FunctionTemplate> templ = v8::FunctionTemplate::New();
templ->SetClassName(v8_str("Fun"));
Local<Function> cons = templ->GetFunction();
context->Global()->Set(v8_str("Fun"), cons);
Local<v8::Object> inst = cons->NewInstance();
i::Handle<i::JSObject> obj = v8::Utils::OpenHandle(*inst);
Local<Value> value = CompileRun("(new Fun()).constructor === Fun");
CHECK(value->BooleanValue());
}
THREADED_TEST(FunctionDescriptorException) {
v8::HandleScope handle_scope;
LocalContext context;
Local<v8::FunctionTemplate> templ = v8::FunctionTemplate::New();
templ->SetClassName(v8_str("Fun"));
Local<Function> cons = templ->GetFunction();
context->Global()->Set(v8_str("Fun"), cons);
Local<Value> value = CompileRun(
"function test() {"
" try {"
" (new Fun()).blah()"
" } catch (e) {"
" var str = String(e);"
" if (str.indexOf('TypeError') == -1) return 1;"
" if (str.indexOf('[object Fun]') != -1) return 2;"
" if (str.indexOf('#<a Fun>') == -1) return 3;"
" return 0;"
" }"
" return 4;"
"}"
"test();");
CHECK_EQ(0, value->Int32Value());
}
THREADED_TEST(EvalAliasedDynamic) {
v8::HandleScope scope;
LocalContext current;
// This sets 'global' to the real global object (as opposed to the
// proxy). It is highly implementation dependent, so take care.
current->Global()->Set(v8_str("global"), current->Global()->GetPrototype());
// Tests where aliased eval can only be resolved dynamically.
Local<Script> script =
Script::Compile(v8_str("function f(x) { "
" var foo = 2;"
" with (x) { return eval('foo'); }"
"}"
"foo = 0;"
"result1 = f(new Object());"
"result2 = f(global);"
"var x = new Object();"
"x.eval = function(x) { return 1; };"
"result3 = f(x);"));
script->Run();
CHECK_EQ(2, current->Global()->Get(v8_str("result1"))->Int32Value());
CHECK_EQ(0, current->Global()->Get(v8_str("result2"))->Int32Value());
CHECK_EQ(1, current->Global()->Get(v8_str("result3"))->Int32Value());
v8::TryCatch try_catch;
script =
Script::Compile(v8_str("function f(x) { "
" var bar = 2;"
" with (x) { return eval('bar'); }"
"}"
"f(global)"));
script->Run();
CHECK(try_catch.HasCaught());
try_catch.Reset();
}
THREADED_TEST(CrossEval) {
v8::HandleScope scope;
LocalContext other;
LocalContext current;
Local<String> token = v8_str("<security token>");
other->SetSecurityToken(token);
current->SetSecurityToken(token);
// Setup reference from current to other.
current->Global()->Set(v8_str("other"), other->Global());
// Check that new variables are introduced in other context.
Local<Script> script =
Script::Compile(v8_str("other.eval('var foo = 1234')"));
script->Run();
Local<Value> foo = other->Global()->Get(v8_str("foo"));
CHECK_EQ(1234, foo->Int32Value());
CHECK(!current->Global()->Has(v8_str("foo")));
// Check that writing to non-existing properties introduces them in
// the other context.
script =
Script::Compile(v8_str("other.eval('na = 1234')"));
script->Run();
CHECK_EQ(1234, other->Global()->Get(v8_str("na"))->Int32Value());
CHECK(!current->Global()->Has(v8_str("na")));
// Check that global variables in current context are not visible in other
// context.
v8::TryCatch try_catch;
script =
Script::Compile(v8_str("var bar = 42; other.eval('bar');"));
Local<Value> result = script->Run();
CHECK(try_catch.HasCaught());
try_catch.Reset();
// Check that local variables in current context are not visible in other
// context.
script =
Script::Compile(v8_str("(function() { "
" var baz = 87;"
" return other.eval('baz');"
"})();"));
result = script->Run();
CHECK(try_catch.HasCaught());
try_catch.Reset();
// Check that global variables in the other environment are visible
// when evaluting code.
other->Global()->Set(v8_str("bis"), v8_num(1234));
script = Script::Compile(v8_str("other.eval('bis')"));
CHECK_EQ(1234, script->Run()->Int32Value());
CHECK(!try_catch.HasCaught());
// Check that the 'this' pointer points to the global object evaluating
// code.
other->Global()->Set(v8_str("t"), other->Global());
script = Script::Compile(v8_str("other.eval('this == t')"));
result = script->Run();
CHECK(result->IsTrue());
CHECK(!try_catch.HasCaught());
// Check that variables introduced in with-statement are not visible in
// other context.
script =
Script::Compile(v8_str("with({x:2}){other.eval('x')}"));
result = script->Run();
CHECK(try_catch.HasCaught());
try_catch.Reset();
// Check that you cannot use 'eval.call' with another object than the
// current global object.
script =
Script::Compile(v8_str("other.y = 1; eval.call(other, 'y')"));
result = script->Run();
CHECK(try_catch.HasCaught());
}
THREADED_TEST(CrossLazyLoad) {
v8::HandleScope scope;
LocalContext other;
LocalContext current;
Local<String> token = v8_str("<security token>");
other->SetSecurityToken(token);
current->SetSecurityToken(token);
// Setup reference from current to other.
current->Global()->Set(v8_str("other"), other->Global());
// Trigger lazy loading in other context.
Local<Script> script =
Script::Compile(v8_str("other.eval('new Date(42)')"));
Local<Value> value = script->Run();
CHECK_EQ(42.0, value->NumberValue());
}
static v8::Handle<Value> call_as_function(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
return args[0];
}
// Test that a call handler can be set for objects which will allow
// non-function objects created through the API to be called as
// functions.
THREADED_TEST(CallAsFunction) {
v8::HandleScope scope;
LocalContext context;
Local<v8::FunctionTemplate> t = v8::FunctionTemplate::New();
Local<ObjectTemplate> instance_template = t->InstanceTemplate();
instance_template->SetCallAsFunctionHandler(call_as_function);
Local<v8::Object> instance = t->GetFunction()->NewInstance();
context->Global()->Set(v8_str("obj"), instance);
v8::TryCatch try_catch;
Local<Value> value;
CHECK(!try_catch.HasCaught());
value = Script::Compile(v8_str("obj(42)"))->Run();
CHECK(!try_catch.HasCaught());
CHECK_EQ(42, value->Int32Value());
value = Script::Compile(v8_str("(function(o){return o(49)})(obj)"))->Run();
CHECK(!try_catch.HasCaught());
CHECK_EQ(49, value->Int32Value());
// test special case of call as function
value = Script::Compile(v8_str("[obj]['0'](45)"))->Run();
CHECK(!try_catch.HasCaught());
CHECK_EQ(45, value->Int32Value());
value = Script::Compile(v8_str("obj.call = Function.prototype.call;"
"obj.call(null, 87)"))->Run();
CHECK(!try_catch.HasCaught());
CHECK_EQ(87, value->Int32Value());
// Regression tests for bug #1116356: Calling call through call/apply
// must work for non-function receivers.
const char* apply_99 = "Function.prototype.call.apply(obj, [this, 99])";
value = Script::Compile(v8_str(apply_99))->Run();
CHECK(!try_catch.HasCaught());
CHECK_EQ(99, value->Int32Value());
const char* call_17 = "Function.prototype.call.call(obj, this, 17)";
value = Script::Compile(v8_str(call_17))->Run();
CHECK(!try_catch.HasCaught());
CHECK_EQ(17, value->Int32Value());
// Try something that will cause an exception: Call the object as a
// constructor. This should be the last test.
value = Script::Compile(v8_str("new obj(42)"))->Run();
CHECK(try_catch.HasCaught());
}
static int CountHandles() {
return v8::HandleScope::NumberOfHandles();
}
static int Recurse(int depth, int iterations) {
v8::HandleScope scope;
if (depth == 0) return CountHandles();
for (int i = 0; i < iterations; i++) {
Local<v8::Number> n = v8::Integer::New(42);
}
return Recurse(depth - 1, iterations);
}
THREADED_TEST(HandleIteration) {
static const int kIterations = 500;
static const int kNesting = 200;
CHECK_EQ(0, CountHandles());
{
v8::HandleScope scope1;
CHECK_EQ(0, CountHandles());
for (int i = 0; i < kIterations; i++) {
Local<v8::Number> n = v8::Integer::New(42);
CHECK_EQ(i + 1, CountHandles());
}
CHECK_EQ(kIterations, CountHandles());
{
v8::HandleScope scope2;
for (int j = 0; j < kIterations; j++) {
Local<v8::Number> n = v8::Integer::New(42);
CHECK_EQ(j + 1 + kIterations, CountHandles());
}
}
CHECK_EQ(kIterations, CountHandles());
}
CHECK_EQ(0, CountHandles());
CHECK_EQ(kNesting * kIterations, Recurse(kNesting, kIterations));
}
static v8::Handle<Value> InterceptorHasOwnPropertyGetter(
Local<String> name,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
return v8::Handle<Value>();
}
THREADED_TEST(InterceptorHasOwnProperty) {
v8::HandleScope scope;
LocalContext context;
Local<v8::FunctionTemplate> fun_templ = v8::FunctionTemplate::New();
Local<v8::ObjectTemplate> instance_templ = fun_templ->InstanceTemplate();
instance_templ->SetNamedPropertyHandler(InterceptorHasOwnPropertyGetter);
Local<Function> function = fun_templ->GetFunction();
context->Global()->Set(v8_str("constructor"), function);
v8::Handle<Value> value = CompileRun(
"var o = new constructor();"
"o.hasOwnProperty('ostehaps');");
CHECK_EQ(false, value->BooleanValue());
value = CompileRun(
"o.ostehaps = 42;"
"o.hasOwnProperty('ostehaps');");
CHECK_EQ(true, value->BooleanValue());
value = CompileRun(
"var p = new constructor();"
"p.hasOwnProperty('ostehaps');");
CHECK_EQ(false, value->BooleanValue());
}
static v8::Handle<Value> InterceptorLoadICGetter(Local<String> name,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
CHECK(v8_str("x")->Equals(name));
return v8::Integer::New(42);
}
// This test should hit the load IC for the interceptor case.
THREADED_TEST(InterceptorLoadIC) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> templ = ObjectTemplate::New();
templ->SetNamedPropertyHandler(InterceptorLoadICGetter);
LocalContext context;
context->Global()->Set(v8_str("o"), templ->NewInstance());
v8::Handle<Value> value = CompileRun(
"var result = 0;"
"for (var i = 0; i < 1000; i++) {"
" result = o.x;"
"}");
CHECK_EQ(42, value->Int32Value());
}
static v8::Handle<Value> InterceptorStoreICSetter(
Local<String> key, Local<Value> value, const AccessorInfo&) {
CHECK(v8_str("x")->Equals(key));
CHECK_EQ(42, value->Int32Value());
return value;
}
// This test should hit the store IC for the interceptor case.
THREADED_TEST(InterceptorStoreIC) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> templ = ObjectTemplate::New();
templ->SetNamedPropertyHandler(InterceptorLoadICGetter,
InterceptorStoreICSetter);
LocalContext context;
context->Global()->Set(v8_str("o"), templ->NewInstance());
v8::Handle<Value> value = CompileRun(
"for (var i = 0; i < 1000; i++) {"
" o.x = 42;"
"}");
}
v8::Handle<Value> call_ic_function;
v8::Handle<Value> call_ic_function2;
v8::Handle<Value> call_ic_function3;
static v8::Handle<Value> InterceptorCallICGetter(Local<String> name,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
CHECK(v8_str("x")->Equals(name));
return call_ic_function;
}
// This test should hit the call IC for the interceptor case.
THREADED_TEST(InterceptorCallIC) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> templ = ObjectTemplate::New();
templ->SetNamedPropertyHandler(InterceptorCallICGetter);
LocalContext context;
context->Global()->Set(v8_str("o"), templ->NewInstance());
call_ic_function =
v8_compile("function f(x) { return x + 1; }; f")->Run();
v8::Handle<Value> value = CompileRun(
"var result = 0;"
"for (var i = 0; i < 1000; i++) {"
" result = o.x(41);"
"}");
CHECK_EQ(42, value->Int32Value());
}
static int interceptor_call_count = 0;
static v8::Handle<Value> InterceptorICRefErrorGetter(Local<String> name,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
if (v8_str("x")->Equals(name) && interceptor_call_count++ < 20) {
return call_ic_function2;
}
return v8::Handle<Value>();
}
// This test should hit load and call ICs for the interceptor case.
// Once in a while, the interceptor will reply that a property was not
// found in which case we should get a reference error.
THREADED_TEST(InterceptorICReferenceErrors) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> templ = ObjectTemplate::New();
templ->SetNamedPropertyHandler(InterceptorICRefErrorGetter);
LocalContext context(0, templ, v8::Handle<Value>());
call_ic_function2 = v8_compile("function h(x) { return x; }; h")->Run();
v8::Handle<Value> value = CompileRun(
"function f() {"
" for (var i = 0; i < 1000; i++) {"
" try { x; } catch(e) { return true; }"
" }"
" return false;"
"};"
"f();");
CHECK_EQ(true, value->BooleanValue());
interceptor_call_count = 0;
value = CompileRun(
"function g() {"
" for (var i = 0; i < 1000; i++) {"
" try { x(42); } catch(e) { return true; }"
" }"
" return false;"
"};"
"g();");
CHECK_EQ(true, value->BooleanValue());
}
static int interceptor_ic_exception_get_count = 0;
static v8::Handle<Value> InterceptorICExceptionGetter(
Local<String> name,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
if (v8_str("x")->Equals(name) && ++interceptor_ic_exception_get_count < 20) {
return call_ic_function3;
}
if (interceptor_ic_exception_get_count == 20) {
return v8::ThrowException(v8_num(42));
}
// Do not handle get for properties other than x.
return v8::Handle<Value>();
}
// Test interceptor load/call IC where the interceptor throws an
// exception once in a while.
THREADED_TEST(InterceptorICGetterExceptions) {
interceptor_ic_exception_get_count = 0;
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> templ = ObjectTemplate::New();
templ->SetNamedPropertyHandler(InterceptorICExceptionGetter);
LocalContext context(0, templ, v8::Handle<Value>());
call_ic_function3 = v8_compile("function h(x) { return x; }; h")->Run();
v8::Handle<Value> value = CompileRun(
"function f() {"
" for (var i = 0; i < 100; i++) {"
" try { x; } catch(e) { return true; }"
" }"
" return false;"
"};"
"f();");
CHECK_EQ(true, value->BooleanValue());
interceptor_ic_exception_get_count = 0;
value = CompileRun(
"function f() {"
" for (var i = 0; i < 100; i++) {"
" try { x(42); } catch(e) { return true; }"
" }"
" return false;"
"};"
"f();");
CHECK_EQ(true, value->BooleanValue());
}
static int interceptor_ic_exception_set_count = 0;
static v8::Handle<Value> InterceptorICExceptionSetter(
Local<String> key, Local<Value> value, const AccessorInfo&) {
ApiTestFuzzer::Fuzz();
if (++interceptor_ic_exception_set_count > 20) {
return v8::ThrowException(v8_num(42));
}
// Do not actually handle setting.
return v8::Handle<Value>();
}
// Test interceptor store IC where the interceptor throws an exception
// once in a while.
THREADED_TEST(InterceptorICSetterExceptions) {
interceptor_ic_exception_set_count = 0;
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> templ = ObjectTemplate::New();
templ->SetNamedPropertyHandler(0, InterceptorICExceptionSetter);
LocalContext context(0, templ, v8::Handle<Value>());
v8::Handle<Value> value = CompileRun(
"function f() {"
" for (var i = 0; i < 100; i++) {"
" try { x = 42; } catch(e) { return true; }"
" }"
" return false;"
"};"
"f();");
CHECK_EQ(true, value->BooleanValue());
}
// Test that we ignore null interceptors.
THREADED_TEST(NullNamedInterceptor) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> templ = ObjectTemplate::New();
templ->SetNamedPropertyHandler(0);
LocalContext context;
templ->Set("x", v8_num(42));
v8::Handle<v8::Object> obj = templ->NewInstance();
context->Global()->Set(v8_str("obj"), obj);
v8::Handle<Value> value = CompileRun("obj.x");
CHECK(value->IsInt32());
CHECK_EQ(42, value->Int32Value());
}
// Test that we ignore null interceptors.
THREADED_TEST(NullIndexedInterceptor) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> templ = ObjectTemplate::New();
templ->SetIndexedPropertyHandler(0);
LocalContext context;
templ->Set("42", v8_num(42));
v8::Handle<v8::Object> obj = templ->NewInstance();
context->Global()->Set(v8_str("obj"), obj);
v8::Handle<Value> value = CompileRun("obj[42]");
CHECK(value->IsInt32());
CHECK_EQ(42, value->Int32Value());
}
static v8::Handle<Value> ParentGetter(Local<String> name,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
return v8_num(1);
}
static v8::Handle<Value> ChildGetter(Local<String> name,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
return v8_num(42);
}
THREADED_TEST(Overriding) {
v8::HandleScope scope;
LocalContext context;
// Parent template.
Local<v8::FunctionTemplate> parent_templ = v8::FunctionTemplate::New();
Local<ObjectTemplate> parent_instance_templ =
parent_templ->InstanceTemplate();
parent_instance_templ->SetAccessor(v8_str("f"), ParentGetter);
// Template that inherits from the parent template.
Local<v8::FunctionTemplate> child_templ = v8::FunctionTemplate::New();
Local<ObjectTemplate> child_instance_templ =
child_templ->InstanceTemplate();
child_templ->Inherit(parent_templ);
// Override 'f'. The child version of 'f' should get called for child
// instances.
child_instance_templ->SetAccessor(v8_str("f"), ChildGetter);
// Add 'g' twice. The 'g' added last should get called for instances.
child_instance_templ->SetAccessor(v8_str("g"), ParentGetter);
child_instance_templ->SetAccessor(v8_str("g"), ChildGetter);
// Add 'h' as an accessor to the proto template with ReadOnly attributes
// so 'h' can be shadowed on the instance object.
Local<ObjectTemplate> child_proto_templ = child_templ->PrototypeTemplate();
child_proto_templ->SetAccessor(v8_str("h"), ParentGetter, 0,
v8::Handle<Value>(), v8::DEFAULT, v8::ReadOnly);
// Add 'i' as an accessor to the instance template with ReadOnly attributes
// but the attribute does not have effect because it is duplicated with
// NULL setter.
child_instance_templ->SetAccessor(v8_str("i"), ChildGetter, 0,
v8::Handle<Value>(), v8::DEFAULT, v8::ReadOnly);
// Instantiate the child template.
Local<v8::Object> instance = child_templ->GetFunction()->NewInstance();
// Check that the child function overrides the parent one.
context->Global()->Set(v8_str("o"), instance);
Local<Value> value = v8_compile("o.f")->Run();
// Check that the 'g' that was added last is hit.
CHECK_EQ(42, value->Int32Value());
value = v8_compile("o.g")->Run();
CHECK_EQ(42, value->Int32Value());
// Check 'h' can be shadowed.
value = v8_compile("o.h = 3; o.h")->Run();
CHECK_EQ(3, value->Int32Value());
// Check 'i' is cannot be shadowed or changed.
value = v8_compile("o.i = 3; o.i")->Run();
CHECK_EQ(42, value->Int32Value());
}
static v8::Handle<Value> IsConstructHandler(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
if (args.IsConstructCall()) {
return v8::Boolean::New(true);
}
return v8::Boolean::New(false);
}
THREADED_TEST(IsConstructCall) {
v8::HandleScope scope;
// Function template with call handler.
Local<v8::FunctionTemplate> templ = v8::FunctionTemplate::New();
templ->SetCallHandler(IsConstructHandler);
LocalContext context;
context->Global()->Set(v8_str("f"), templ->GetFunction());
Local<Value> value = v8_compile("f()")->Run();
CHECK(!value->BooleanValue());
value = v8_compile("new f()")->Run();
CHECK(value->BooleanValue());
}
THREADED_TEST(ObjectProtoToString) {
v8::HandleScope scope;
Local<v8::FunctionTemplate> templ = v8::FunctionTemplate::New();
templ->SetClassName(v8_str("MyClass"));
LocalContext context;
Local<String> customized_tostring = v8_str("customized toString");
// Replace Object.prototype.toString
v8_compile("Object.prototype.toString = function() {"
" return 'customized toString';"
"}")->Run();
// Normal ToString call should call replaced Object.prototype.toString
Local<v8::Object> instance = templ->GetFunction()->NewInstance();
Local<String> value = instance->ToString();
CHECK(value->IsString() && value->Equals(customized_tostring));
// ObjectProtoToString should not call replace toString function.
value = instance->ObjectProtoToString();
CHECK(value->IsString() && value->Equals(v8_str("[object MyClass]")));
// Check global
value = context->Global()->ObjectProtoToString();
CHECK(value->IsString() && value->Equals(v8_str("[object global]")));
// Check ordinary object
Local<Value> object = v8_compile("new Object()")->Run();
value = Local<v8::Object>::Cast(object)->ObjectProtoToString();
CHECK(value->IsString() && value->Equals(v8_str("[object Object]")));
}
bool ApiTestFuzzer::fuzzing_ = false;
v8::internal::Semaphore* ApiTestFuzzer::all_tests_done_=
v8::internal::OS::CreateSemaphore(0);
int ApiTestFuzzer::active_tests_;
int ApiTestFuzzer::tests_being_run_;
int ApiTestFuzzer::current_;
// We are in a callback and want to switch to another thread (if we
// are currently running the thread fuzzing test).
void ApiTestFuzzer::Fuzz() {
if (!fuzzing_) return;
ApiTestFuzzer* test = RegisterThreadedTest::nth(current_)->fuzzer_;
test->ContextSwitch();
}
// Let the next thread go. Since it is also waiting on the V8 lock it may
// not start immediately.
bool ApiTestFuzzer::NextThread() {
int test_position = GetNextTestNumber();
int test_number = RegisterThreadedTest::nth(current_)->fuzzer_->test_number_;
if (test_position == current_) {
printf("Stay with %d\n", test_number);
return false;
}
printf("Switch from %d to %d\n",
current_ < 0 ? 0 : test_number, test_position < 0 ? 0 : test_number);
current_ = test_position;
RegisterThreadedTest::nth(current_)->fuzzer_->gate_->Signal();
return true;
}
void ApiTestFuzzer::Run() {
// When it is our turn...
gate_->Wait();
{
// ... get the V8 lock and start running the test.
v8::Locker locker;
CallTest();
}
// This test finished.
active_ = false;
active_tests_--;
// If it was the last then signal that fact.
if (active_tests_ == 0) {
all_tests_done_->Signal();
} else {
// Otherwise select a new test and start that.
NextThread();
}
}
static unsigned linear_congruential_generator;
void ApiTestFuzzer::Setup(PartOfTest part) {
linear_congruential_generator = i::FLAG_testing_prng_seed;
fuzzing_ = true;
int start = (part == FIRST_PART) ? 0 : (RegisterThreadedTest::count() >> 1);
int end = (part == FIRST_PART)
? (RegisterThreadedTest::count() >> 1)
: RegisterThreadedTest::count();
active_tests_ = tests_being_run_ = end - start;
for (int i = 0; i < tests_being_run_; i++) {
RegisterThreadedTest::nth(i)->fuzzer_ = new ApiTestFuzzer(i + start);
}
for (int i = 0; i < active_tests_; i++) {
RegisterThreadedTest::nth(i)->fuzzer_->Start();
}
}
static void CallTestNumber(int test_number) {
(RegisterThreadedTest::nth(test_number)->callback())();
}
void ApiTestFuzzer::RunAllTests() {
// Set off the first test.
current_ = -1;
NextThread();
// Wait till they are all done.
all_tests_done_->Wait();
}
int ApiTestFuzzer::GetNextTestNumber() {
int next_test;
do {
next_test = (linear_congruential_generator >> 16) % tests_being_run_;
linear_congruential_generator *= 1664525u;
linear_congruential_generator += 1013904223u;
} while (!RegisterThreadedTest::nth(next_test)->fuzzer_->active_);
return next_test;
}
void ApiTestFuzzer::ContextSwitch() {
// If the new thread is the same as the current thread there is nothing to do.
if (NextThread()) {
// Now it can start.
v8::Unlocker unlocker;
// Wait till someone starts us again.
gate_->Wait();
// And we're off.
}
}
void ApiTestFuzzer::TearDown() {
fuzzing_ = false;
for (int i = 0; i < RegisterThreadedTest::count(); i++) {
ApiTestFuzzer *fuzzer = RegisterThreadedTest::nth(i)->fuzzer_;
if (fuzzer != NULL) fuzzer->Join();
}
}
// Lets not be needlessly self-referential.
TEST(Threading) {
ApiTestFuzzer::Setup(ApiTestFuzzer::FIRST_PART);
ApiTestFuzzer::RunAllTests();
ApiTestFuzzer::TearDown();
}
TEST(Threading2) {
ApiTestFuzzer::Setup(ApiTestFuzzer::SECOND_PART);
ApiTestFuzzer::RunAllTests();
ApiTestFuzzer::TearDown();
}
void ApiTestFuzzer::CallTest() {
printf("Start test %d\n", test_number_);
CallTestNumber(test_number_);
printf("End test %d\n", test_number_);
}
static v8::Handle<Value> ThrowInJS(const v8::Arguments& args) {
CHECK(v8::Locker::IsLocked());
ApiTestFuzzer::Fuzz();
v8::Unlocker unlocker;
const char* code = "throw 7;";
{
v8::Locker nested_locker;
v8::HandleScope scope;
v8::Handle<Value> exception;
{ v8::TryCatch try_catch;
v8::Handle<Value> value = CompileRun(code);
CHECK(value.IsEmpty());
CHECK(try_catch.HasCaught());
// Make sure to wrap the exception in a new handle because
// the handle returned from the TryCatch is destroyed
// when the TryCatch is destroyed.
exception = Local<Value>::New(try_catch.Exception());
}
return v8::ThrowException(exception);
}
}
static v8::Handle<Value> ThrowInJSNoCatch(const v8::Arguments& args) {
CHECK(v8::Locker::IsLocked());
ApiTestFuzzer::Fuzz();
v8::Unlocker unlocker;
const char* code = "throw 7;";
{
v8::Locker nested_locker;
v8::HandleScope scope;
v8::Handle<Value> value = CompileRun(code);
CHECK(value.IsEmpty());
return v8_str("foo");
}
}
// These are locking tests that don't need to be run again
// as part of the locking aggregation tests.
TEST(NestedLockers) {
v8::Locker locker;
CHECK(v8::Locker::IsLocked());
v8::HandleScope scope;
LocalContext env;
Local<v8::FunctionTemplate> fun_templ = v8::FunctionTemplate::New(ThrowInJS);
Local<Function> fun = fun_templ->GetFunction();
env->Global()->Set(v8_str("throw_in_js"), fun);
Local<Script> script = v8_compile("(function () {"
" try {"
" throw_in_js();"
" return 42;"
" } catch (e) {"
" return e * 13;"
" }"
"})();");
CHECK_EQ(91, script->Run()->Int32Value());
}
// These are locking tests that don't need to be run again
// as part of the locking aggregation tests.
TEST(NestedLockersNoTryCatch) {
v8::Locker locker;
v8::HandleScope scope;
LocalContext env;
Local<v8::FunctionTemplate> fun_templ =
v8::FunctionTemplate::New(ThrowInJSNoCatch);
Local<Function> fun = fun_templ->GetFunction();
env->Global()->Set(v8_str("throw_in_js"), fun);
Local<Script> script = v8_compile("(function () {"
" try {"
" throw_in_js();"
" return 42;"
" } catch (e) {"
" return e * 13;"
" }"
"})();");
CHECK_EQ(91, script->Run()->Int32Value());
}
THREADED_TEST(RecursiveLocking) {
v8::Locker locker;
{
v8::Locker locker2;
CHECK(v8::Locker::IsLocked());
}
}
static v8::Handle<Value> UnlockForAMoment(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
v8::Unlocker unlocker;
return v8::Undefined();
}
THREADED_TEST(LockUnlockLock) {
{
v8::Locker locker;
v8::HandleScope scope;
LocalContext env;
Local<v8::FunctionTemplate> fun_templ =
v8::FunctionTemplate::New(UnlockForAMoment);
Local<Function> fun = fun_templ->GetFunction();
env->Global()->Set(v8_str("unlock_for_a_moment"), fun);
Local<Script> script = v8_compile("(function () {"
" unlock_for_a_moment();"
" return 42;"
"})();");
CHECK_EQ(42, script->Run()->Int32Value());
}
{
v8::Locker locker;
v8::HandleScope scope;
LocalContext env;
Local<v8::FunctionTemplate> fun_templ =
v8::FunctionTemplate::New(UnlockForAMoment);
Local<Function> fun = fun_templ->GetFunction();
env->Global()->Set(v8_str("unlock_for_a_moment"), fun);
Local<Script> script = v8_compile("(function () {"
" unlock_for_a_moment();"
" return 42;"
"})();");
CHECK_EQ(42, script->Run()->Int32Value());
}
}
static int GetSurvivingGlobalObjectsCount() {
int count = 0;
// We need to collect all garbage twice to be sure that everything
// has been collected. This is because inline caches are cleared in
// the first garbage collection but some of the maps have already
// been marked at that point. Therefore some of the maps are not
// collected until the second garbage collection.
v8::internal::Heap::CollectAllGarbage();
v8::internal::Heap::CollectAllGarbage();
v8::internal::HeapIterator it;
while (it.has_next()) {
v8::internal::HeapObject* object = it.next();
if (object->IsJSGlobalObject()) {
count++;
}
}
#ifdef DEBUG
if (count > 0) v8::internal::Heap::TracePathToGlobal();
#endif
return count;
}
TEST(DontLeakGlobalObjects) {
// Regression test for issues 1139850 and 1174891.
v8::V8::Initialize();
int count = GetSurvivingGlobalObjectsCount();
for (int i = 0; i < 5; i++) {
{ v8::HandleScope scope;
LocalContext context;
}
CHECK_EQ(count, GetSurvivingGlobalObjectsCount());
{ v8::HandleScope scope;
LocalContext context;
v8_compile("Date")->Run();
}
CHECK_EQ(count, GetSurvivingGlobalObjectsCount());
{ v8::HandleScope scope;
LocalContext context;
v8_compile("/aaa/")->Run();
}
CHECK_EQ(count, GetSurvivingGlobalObjectsCount());
{ v8::HandleScope scope;
const char* extension_list[] = { "v8/gc" };
v8::ExtensionConfiguration extensions(1, extension_list);
LocalContext context(&extensions);
v8_compile("gc();")->Run();
}
CHECK_EQ(count, GetSurvivingGlobalObjectsCount());
}
}
THREADED_TEST(CheckForCrossContextObjectLiterals) {
v8::V8::Initialize();
const int nof = 2;
const char* sources[nof] = {
"try { [ 2, 3, 4 ].forEach(5); } catch(e) { e.toString(); }",
"Object()"
};
for (int i = 0; i < nof; i++) {
const char* source = sources[i];
{ v8::HandleScope scope;
LocalContext context;
CompileRun(source);
}
{ v8::HandleScope scope;
LocalContext context;
CompileRun(source);
}
}
}
static v8::Handle<Value> NestedScope(v8::Persistent<Context> env) {
v8::HandleScope inner;
env->Enter();
v8::Handle<Value> three = v8_num(3);
v8::Handle<Value> value = inner.Close(three);
env->Exit();
return value;
}
THREADED_TEST(NestedHandleScopeAndContexts) {
v8::HandleScope outer;
v8::Persistent<Context> env = Context::New();
env->Enter();
v8::Handle<Value> value = NestedScope(env);
v8::Handle<String> str = value->ToString();
env->Exit();
env.Dispose();
}
THREADED_TEST(ExternalAllocatedMemory) {
v8::HandleScope outer;
const int kSize = 1024*1024;
CHECK_EQ(v8::V8::AdjustAmountOfExternalAllocatedMemory(kSize), kSize);
CHECK_EQ(v8::V8::AdjustAmountOfExternalAllocatedMemory(-kSize), 0);
}
THREADED_TEST(DisposeEnteredContext) {
v8::HandleScope scope;
LocalContext outer;
{ v8::Persistent<v8::Context> inner = v8::Context::New();
inner->Enter();
inner.Dispose();
inner.Clear();
inner->Exit();
}
}
// Regression test for issue 54, object templates with internal fields
// but no accessors or interceptors did not get their internal field
// count set on instances.
THREADED_TEST(Regress54) {
v8::HandleScope outer;
LocalContext context;
static v8::Persistent<v8::ObjectTemplate> templ;
if (templ.IsEmpty()) {
v8::HandleScope inner;
v8::Handle<v8::ObjectTemplate> local = v8::ObjectTemplate::New();
local->SetInternalFieldCount(1);
templ = v8::Persistent<v8::ObjectTemplate>::New(inner.Close(local));
}
v8::Handle<v8::Object> result = templ->NewInstance();
CHECK_EQ(1, result->InternalFieldCount());
}
// If part of the threaded tests, this test makes ThreadingTest fail
// on mac.
TEST(CatchStackOverflow) {
v8::HandleScope scope;
LocalContext context;
v8::TryCatch try_catch;
v8::Handle<v8::Script> script = v8::Script::Compile(v8::String::New(
"function f() {"
" return f();"
"}"
""
"f();"));
v8::Handle<v8::Value> result = script->Run();
CHECK(result.IsEmpty());
}
static void CheckTryCatchSourceInfo(v8::Handle<v8::Script> script,
const char* resource_name,
int line_offset) {
v8::HandleScope scope;
v8::TryCatch try_catch;
v8::Handle<v8::Value> result = script->Run();
CHECK(result.IsEmpty());
CHECK(try_catch.HasCaught());
v8::Handle<v8::Message> message = try_catch.Message();
CHECK(!message.IsEmpty());
CHECK_EQ(10 + line_offset, message->GetLineNumber());
CHECK_EQ(91, message->GetStartPosition());
CHECK_EQ(92, message->GetEndPosition());
CHECK_EQ(2, message->GetStartColumn());
CHECK_EQ(3, message->GetEndColumn());
v8::String::AsciiValue line(message->GetSourceLine());
CHECK_EQ(" throw 'nirk';", *line);
v8::String::AsciiValue name(message->GetScriptResourceName());
CHECK_EQ(resource_name, *name);
}
THREADED_TEST(TryCatchSourceInfo) {
v8::HandleScope scope;
LocalContext context;
v8::Handle<v8::String> source = v8::String::New(
"function Foo() {\n"
" return Bar();\n"
"}\n"
"\n"
"function Bar() {\n"
" return Baz();\n"
"}\n"
"\n"
"function Baz() {\n"
" throw 'nirk';\n"
"}\n"
"\n"
"Foo();\n");
const char* resource_name;
v8::Handle<v8::Script> script;
resource_name = "test.js";
script = v8::Script::Compile(source, v8::String::New(resource_name));
CheckTryCatchSourceInfo(script, resource_name, 0);
resource_name = "test1.js";
v8::ScriptOrigin origin1(v8::String::New(resource_name));
script = v8::Script::Compile(source, &origin1);
CheckTryCatchSourceInfo(script, resource_name, 0);
resource_name = "test2.js";
v8::ScriptOrigin origin2(v8::String::New(resource_name), v8::Integer::New(7));
script = v8::Script::Compile(source, &origin2);
CheckTryCatchSourceInfo(script, resource_name, 7);
}
THREADED_TEST(CompilationCache) {
v8::HandleScope scope;
LocalContext context;
v8::Handle<v8::String> source0 = v8::String::New("1234");
v8::Handle<v8::String> source1 = v8::String::New("1234");
v8::Handle<v8::Script> script0 =
v8::Script::Compile(source0, v8::String::New("test.js"));
v8::Handle<v8::Script> script1 =
v8::Script::Compile(source1, v8::String::New("test.js"));
v8::Handle<v8::Script> script2 =
v8::Script::Compile(source0); // different origin
CHECK_EQ(1234, script0->Run()->Int32Value());
CHECK_EQ(1234, script1->Run()->Int32Value());
CHECK_EQ(1234, script2->Run()->Int32Value());
}
static v8::Handle<Value> FunctionNameCallback(const v8::Arguments& args) {
ApiTestFuzzer::Fuzz();
return v8_num(42);
}
THREADED_TEST(CallbackFunctionName) {
v8::HandleScope scope;
LocalContext context;
Local<ObjectTemplate> t = ObjectTemplate::New();
t->Set(v8_str("asdf"), v8::FunctionTemplate::New(FunctionNameCallback));
context->Global()->Set(v8_str("obj"), t->NewInstance());
v8::Handle<v8::Value> value = CompileRun("obj.asdf.name");
CHECK(value->IsString());
v8::String::AsciiValue name(value);
CHECK_EQ("asdf", *name);
}
THREADED_TEST(DateAccess) {
v8::HandleScope scope;
LocalContext context;
v8::Handle<v8::Value> date = v8::Date::New(1224744689038.0);
CHECK(date->IsDate());
CHECK_EQ(1224744689038.0, v8::Handle<v8::Date>::Cast(date)->NumberValue());
}
void CheckProperties(v8::Handle<v8::Value> val, int elmc, const char* elmv[]) {
v8::Handle<v8::Object> obj = v8::Handle<v8::Object>::Cast(val);
v8::Handle<v8::Array> props = obj->GetPropertyNames();
CHECK_EQ(elmc, props->Length());
for (int i = 0; i < elmc; i++) {
v8::String::Utf8Value elm(props->Get(v8::Integer::New(i)));
CHECK_EQ(elmv[i], *elm);
}
}
THREADED_TEST(PropertyEnumeration) {
v8::HandleScope scope;
LocalContext context;
v8::Handle<v8::Value> obj = v8::Script::Compile(v8::String::New(
"var result = [];"
"result[0] = {};"
"result[1] = {a: 1, b: 2};"
"result[2] = [1, 2, 3];"
"var proto = {x: 1, y: 2, z: 3};"
"var x = { __proto__: proto, w: 0, z: 1 };"
"result[3] = x;"
"result;"))->Run();
v8::Handle<v8::Array> elms = v8::Handle<v8::Array>::Cast(obj);
CHECK_EQ(4, elms->Length());
int elmc0 = 0;
const char** elmv0 = NULL;
CheckProperties(elms->Get(v8::Integer::New(0)), elmc0, elmv0);
int elmc1 = 2;
const char* elmv1[] = {"a", "b"};
CheckProperties(elms->Get(v8::Integer::New(1)), elmc1, elmv1);
int elmc2 = 3;
const char* elmv2[] = {"0", "1", "2"};
CheckProperties(elms->Get(v8::Integer::New(2)), elmc2, elmv2);
int elmc3 = 4;
const char* elmv3[] = {"w", "z", "x", "y"};
CheckProperties(elms->Get(v8::Integer::New(3)), elmc3, elmv3);
}
static v8::Handle<Value> AccessorProhibitsOverwritingGetter(
Local<String> name,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
return v8::True();
}
THREADED_TEST(AccessorProhibitsOverwriting) {
v8::HandleScope scope;
LocalContext context;
Local<ObjectTemplate> templ = ObjectTemplate::New();
templ->SetAccessor(v8_str("x"),
AccessorProhibitsOverwritingGetter,
0,
v8::Handle<Value>(),
v8::PROHIBITS_OVERWRITING,
v8::ReadOnly);
Local<v8::Object> instance = templ->NewInstance();
context->Global()->Set(v8_str("obj"), instance);
Local<Value> value = CompileRun(
"obj.__defineGetter__('x', function() { return false; });"
"obj.x");
CHECK(value->BooleanValue());
value = CompileRun(
"var setter_called = false;"
"obj.__defineSetter__('x', function() { setter_called = true; });"
"obj.x = 42;"
"setter_called");
CHECK(!value->BooleanValue());
value = CompileRun(
"obj2 = {};"
"obj2.__proto__ = obj;"
"obj2.__defineGetter__('x', function() { return false; });"
"obj2.x");
CHECK(value->BooleanValue());
value = CompileRun(
"var setter_called = false;"
"obj2 = {};"
"obj2.__proto__ = obj;"
"obj2.__defineSetter__('x', function() { setter_called = true; });"
"obj2.x = 42;"
"setter_called");
CHECK(!value->BooleanValue());
}
static bool NamedSetAccessBlocker(Local<v8::Object> obj,
Local<Value> name,
v8::AccessType type,
Local<Value> data) {
return type != v8::ACCESS_SET;
}
static bool IndexedSetAccessBlocker(Local<v8::Object> obj,
uint32_t key,
v8::AccessType type,
Local<Value> data) {
return type != v8::ACCESS_SET;
}
THREADED_TEST(DisableAccessChecksWhileConfiguring) {
v8::HandleScope scope;
LocalContext context;
Local<ObjectTemplate> templ = ObjectTemplate::New();
templ->SetAccessCheckCallbacks(NamedSetAccessBlocker,
IndexedSetAccessBlocker);
templ->Set(v8_str("x"), v8::True());
Local<v8::Object> instance = templ->NewInstance();
context->Global()->Set(v8_str("obj"), instance);
Local<Value> value = CompileRun("obj.x");
CHECK(value->BooleanValue());
}
static bool NamedGetAccessBlocker(Local<v8::Object> obj,
Local<Value> name,
v8::AccessType type,
Local<Value> data) {
return false;
}
static bool IndexedGetAccessBlocker(Local<v8::Object> obj,
uint32_t key,
v8::AccessType type,
Local<Value> data) {
return false;
}
THREADED_TEST(AccessChecksReenabledCorrectly) {
v8::HandleScope scope;
LocalContext context;
Local<ObjectTemplate> templ = ObjectTemplate::New();
templ->SetAccessCheckCallbacks(NamedGetAccessBlocker,
IndexedGetAccessBlocker);
templ->Set(v8_str("a"), v8_str("a"));
// Add more than 8 (see kMaxFastProperties) properties
// so that the constructor will force copying map.
// Cannot sprintf, gcc complains unsafety.
char buf[4];
for (char i = '0'; i <= '9' ; i++) {
buf[0] = i;
for (char j = '0'; j <= '9'; j++) {
buf[1] = j;
for (char k = '0'; k <= '9'; k++) {
buf[2] = k;
buf[3] = 0;
templ->Set(v8_str(buf), v8::Number::New(k));
}
}
}
Local<v8::Object> instance_1 = templ->NewInstance();
context->Global()->Set(v8_str("obj_1"), instance_1);
Local<Value> value_1 = CompileRun("obj_1.a");
CHECK(value_1->IsUndefined());
Local<v8::Object> instance_2 = templ->NewInstance();
context->Global()->Set(v8_str("obj_2"), instance_2);
Local<Value> value_2 = CompileRun("obj_2.a");
CHECK(value_2->IsUndefined());
}
// This tests that access check information remains on the global
// object template when creating contexts.
THREADED_TEST(AccessControlRepeatedContextCreation) {
v8::HandleScope handle_scope;
v8::Handle<v8::ObjectTemplate> global_template = v8::ObjectTemplate::New();
global_template->SetAccessCheckCallbacks(NamedSetAccessBlocker,
IndexedSetAccessBlocker);
i::Handle<i::ObjectTemplateInfo> internal_template =
v8::Utils::OpenHandle(*global_template);
CHECK(!internal_template->constructor()->IsUndefined());
i::Handle<i::FunctionTemplateInfo> constructor(
i::FunctionTemplateInfo::cast(internal_template->constructor()));
CHECK(!constructor->access_check_info()->IsUndefined());
v8::Persistent<Context> context0 = Context::New(NULL, global_template);
CHECK(!constructor->access_check_info()->IsUndefined());
}
// This test verifies that pre-compilation (aka preparsing) can be called
// without initializing the whole VM. Thus we cannot run this test in a
// multi-threaded setup.
TEST(PreCompile) {
// TODO(155): This test would break without the initialization of V8. This is
// a workaround for now to make this test not fail.
v8::V8::Initialize();
const char *script = "function foo(a) { return a+1; }";
v8::ScriptData *sd = v8::ScriptData::PreCompile(script, strlen(script));
CHECK_NE(sd->Length(), 0);
CHECK_NE(sd->Data(), NULL);
delete sd;
}
// This tests that we do not allow dictionary load/call inline caches
// to use functions that have not yet been compiled. The potential
// problem of loading a function that has not yet been compiled can
// arise because we share code between contexts via the compilation
// cache.
THREADED_TEST(DictionaryICLoadedFunction) {
v8::HandleScope scope;
// Test LoadIC.
for (int i = 0; i < 2; i++) {
LocalContext context;
context->Global()->Set(v8_str("tmp"), v8::True());
context->Global()->Delete(v8_str("tmp"));
CompileRun("for (var j = 0; j < 10; j++) new RegExp('');");
}
// Test CallIC.
for (int i = 0; i < 2; i++) {
LocalContext context;
context->Global()->Set(v8_str("tmp"), v8::True());
context->Global()->Delete(v8_str("tmp"));
CompileRun("for (var j = 0; j < 10; j++) RegExp('')");
}
}
// Test that cross-context new calls use the context of the callee to
// create the new JavaScript object.
THREADED_TEST(CrossContextNew) {
v8::HandleScope scope;
v8::Persistent<Context> context0 = Context::New();
v8::Persistent<Context> context1 = Context::New();
// Allow cross-domain access.
Local<String> token = v8_str("<security token>");
context0->SetSecurityToken(token);
context1->SetSecurityToken(token);
// Set an 'x' property on the Object prototype and define a
// constructor function in context0.
context0->Enter();
CompileRun("Object.prototype.x = 42; function C() {};");
context0->Exit();
// Call the constructor function from context0 and check that the
// result has the 'x' property.
context1->Enter();
context1->Global()->Set(v8_str("other"), context0->Global());
Local<Value> value = CompileRun("var instance = new other.C(); instance.x");
CHECK(value->IsInt32());
CHECK_EQ(42, value->Int32Value());
context1->Exit();
// Dispose the contexts to allow them to be garbage collected.
context0.Dispose();
context1.Dispose();
}
class RegExpInterruptTest {
public:
RegExpInterruptTest() : block_(NULL) {}
~RegExpInterruptTest() { delete block_; }
void RunTest() {
block_ = i::OS::CreateSemaphore(0);
gc_count_ = 0;
gc_during_regexp_ = 0;
regexp_success_ = false;
gc_success_ = false;
GCThread gc_thread(this);
gc_thread.Start();
v8::Locker::StartPreemption(1);
LongRunningRegExp();
{
v8::Unlocker unlock;
gc_thread.Join();
}
v8::Locker::StopPreemption();
CHECK(regexp_success_);
CHECK(gc_success_);
}
private:
// Number of garbage collections required.
static const int kRequiredGCs = 5;
class GCThread : public i::Thread {
public:
explicit GCThread(RegExpInterruptTest* test)
: test_(test) {}
virtual void Run() {
test_->CollectGarbage();
}
private:
RegExpInterruptTest* test_;
};
void CollectGarbage() {
block_->Wait();
while (gc_during_regexp_ < kRequiredGCs) {
{
v8::Locker lock;
// TODO(lrn): Perhaps create some garbage before collecting.
i::Heap::CollectAllGarbage();
gc_count_++;
}
i::OS::Sleep(1);
}
gc_success_ = true;
}
void LongRunningRegExp() {
block_->Signal(); // Enable garbage collection thread on next preemption.
int rounds = 0;
while (gc_during_regexp_ < kRequiredGCs) {
int gc_before = gc_count_;
{
// Match 15-30 "a"'s against 14 and a "b".
const char* c_source =
"/a?a?a?a?a?a?a?a?a?a?a?a?a?a?aaaaaaaaaaaaaaaa/"
".exec('aaaaaaaaaaaaaaab') === null";
Local<String> source = String::New(c_source);
Local<Script> script = Script::Compile(source);
Local<Value> result = script->Run();
if (!result->BooleanValue()) {
gc_during_regexp_ = kRequiredGCs; // Allow gc thread to exit.
return;
}
}
{
// Match 15-30 "a"'s against 15 and a "b".
const char* c_source =
"/a?a?a?a?a?a?a?a?a?a?a?a?a?a?aaaaaaaaaaaaaaaa/"
".exec('aaaaaaaaaaaaaaaab')[0] === 'aaaaaaaaaaaaaaaa'";
Local<String> source = String::New(c_source);
Local<Script> script = Script::Compile(source);
Local<Value> result = script->Run();
if (!result->BooleanValue()) {
gc_during_regexp_ = kRequiredGCs;
return;
}
}
int gc_after = gc_count_;
gc_during_regexp_ += gc_after - gc_before;
rounds++;
i::OS::Sleep(1);
}
regexp_success_ = true;
}
i::Semaphore* block_;
int gc_count_;
int gc_during_regexp_;
bool regexp_success_;
bool gc_success_;
};
// Test that a regular expression execution can be interrupted and
// survive a garbage collection.
TEST(RegExpInterruption) {
v8::Locker lock;
v8::V8::Initialize();
v8::HandleScope scope;
Local<Context> local_env;
{
LocalContext env;
local_env = env.local();
}
// Local context should still be live.
CHECK(!local_env.IsEmpty());
local_env->Enter();
// Should complete without problems.
RegExpInterruptTest().RunTest();
local_env->Exit();
}
// Verify that we can clone an object
TEST(ObjectClone) {
v8::HandleScope scope;
LocalContext env;
const char* sample =
"var rv = {};" \
"rv.alpha = 'hello';" \
"rv.beta = 123;" \
"rv;";
// Create an object, verify basics.
Local<Value> val = CompileRun(sample);
CHECK(val->IsObject());
Local<v8::Object> obj = Local<v8::Object>::Cast(val);
obj->Set(v8_str("gamma"), v8_str("cloneme"));
CHECK_EQ(v8_str("hello"), obj->Get(v8_str("alpha")));
CHECK_EQ(v8::Integer::New(123), obj->Get(v8_str("beta")));
CHECK_EQ(v8_str("cloneme"), obj->Get(v8_str("gamma")));
// Clone it.
Local<v8::Object> clone = obj->Clone();
CHECK_EQ(v8_str("hello"), clone->Get(v8_str("alpha")));
CHECK_EQ(v8::Integer::New(123), clone->Get(v8_str("beta")));
CHECK_EQ(v8_str("cloneme"), clone->Get(v8_str("gamma")));
// Set a property on the clone, verify each object.
clone->Set(v8_str("beta"), v8::Integer::New(456));
CHECK_EQ(v8::Integer::New(123), obj->Get(v8_str("beta")));
CHECK_EQ(v8::Integer::New(456), clone->Get(v8_str("beta")));
}
class RegExpStringModificationTest {
public:
RegExpStringModificationTest()
: block_(i::OS::CreateSemaphore(0)),
morphs_(0),
morphs_during_regexp_(0),
ascii_resource_(i::Vector<const char>("aaaaaaaaaaaaaab", 15)),
uc16_resource_(i::Vector<const uint16_t>(two_byte_content_, 15)) {}
~RegExpStringModificationTest() { delete block_; }
void RunTest() {
regexp_success_ = false;
morph_success_ = false;
// Initialize the contents of two_byte_content_ to be a uc16 representation
// of "aaaaaaaaaaaaaab".
for (int i = 0; i < 14; i++) {
two_byte_content_[i] = 'a';
}
two_byte_content_[14] = 'b';
// Create the input string for the regexp - the one we are going to change
// properties of.
input_ = i::Factory::NewExternalStringFromAscii(&ascii_resource_);
// Inject the input as a global variable.
i::Handle<i::String> input_name =
i::Factory::NewStringFromAscii(i::Vector<const char>("input", 5));
i::Top::global_context()->global()->SetProperty(*input_name, *input_, NONE);
MorphThread morph_thread(this);
morph_thread.Start();
v8::Locker::StartPreemption(1);
LongRunningRegExp();
{
v8::Unlocker unlock;
morph_thread.Join();
}
v8::Locker::StopPreemption();
CHECK(regexp_success_);
CHECK(morph_success_);
}
private:
class AsciiVectorResource : public v8::String::ExternalAsciiStringResource {
public:
explicit AsciiVectorResource(i::Vector<const char> vector)
: data_(vector) {}
virtual ~AsciiVectorResource() {}
virtual size_t length() const { return data_.length(); }
virtual const char* data() const { return data_.start(); }
private:
i::Vector<const char> data_;
};
class UC16VectorResource : public v8::String::ExternalStringResource {
public:
explicit UC16VectorResource(i::Vector<const i::uc16> vector)
: data_(vector) {}
virtual ~UC16VectorResource() {}
virtual size_t length() const { return data_.length(); }
virtual const i::uc16* data() const { return data_.start(); }
private:
i::Vector<const i::uc16> data_;
};
// Number of string modifications required.
static const int kRequiredModifications = 5;
static const int kMaxModifications = 100;
class MorphThread : public i::Thread {
public:
explicit MorphThread(RegExpStringModificationTest* test)
: test_(test) {}
virtual void Run() {
test_->MorphString();
}
private:
RegExpStringModificationTest* test_;
};
void MorphString() {
block_->Wait();
while (morphs_during_regexp_ < kRequiredModifications &&
morphs_ < kMaxModifications) {
{
v8::Locker lock;
// Swap string between ascii and two-byte representation.
i::String* string = *input_;
CHECK(i::StringShape(string).IsExternal());
if (i::StringShape(string).IsAsciiRepresentation()) {
// Morph external string to be TwoByte string.
i::ExternalAsciiString* ext_string =
i::ExternalAsciiString::cast(string);
i::ExternalTwoByteString* morphed =
reinterpret_cast<i::ExternalTwoByteString*>(ext_string);
morphed->map()->set_instance_type(i::SHORT_EXTERNAL_STRING_TYPE);
morphed->set_resource(&uc16_resource_);
} else {
// Morph external string to be ASCII string.
i::ExternalTwoByteString* ext_string =
i::ExternalTwoByteString::cast(string);
i::ExternalAsciiString* morphed =
reinterpret_cast<i::ExternalAsciiString*>(ext_string);
morphed->map()->set_instance_type(
i::SHORT_EXTERNAL_ASCII_STRING_TYPE);
morphed->set_resource(&ascii_resource_);
}
morphs_++;
}
i::OS::Sleep(1);
}
morph_success_ = true;
}
void LongRunningRegExp() {
block_->Signal(); // Enable morphing thread on next preemption.
while (morphs_during_regexp_ < kRequiredModifications &&
morphs_ < kMaxModifications) {
int morphs_before = morphs_;
{
// Match 15-30 "a"'s against 14 and a "b".
const char* c_source =
"/a?a?a?a?a?a?a?a?a?a?a?a?a?a?aaaaaaaaaaaaaaaa/"
".exec(input) === null";
Local<String> source = String::New(c_source);
Local<Script> script = Script::Compile(source);
Local<Value> result = script->Run();
CHECK(result->IsTrue());
}
int morphs_after = morphs_;
morphs_during_regexp_ += morphs_after - morphs_before;
}
regexp_success_ = true;
}
i::uc16 two_byte_content_[15];
i::Semaphore* block_;
int morphs_;
int morphs_during_regexp_;
bool regexp_success_;
bool morph_success_;
i::Handle<i::String> input_;
AsciiVectorResource ascii_resource_;
UC16VectorResource uc16_resource_;
};
// Test that a regular expression execution can be interrupted and
// the string changed without failing.
TEST(RegExpStringModification) {
v8::Locker lock;
v8::V8::Initialize();
v8::HandleScope scope;
Local<Context> local_env;
{
LocalContext env;
local_env = env.local();
}
// Local context should still be live.
CHECK(!local_env.IsEmpty());
local_env->Enter();
// Should complete without problems.
RegExpStringModificationTest().RunTest();
local_env->Exit();
}
// Test that we can set a property on the global object even if there
// is a read-only property in the prototype chain.
TEST(ReadOnlyPropertyInGlobalProto) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> templ = v8::ObjectTemplate::New();
LocalContext context(0, templ);
v8::Handle<v8::Object> global = context->Global();
v8::Handle<v8::Object> global_proto =
v8::Handle<v8::Object>::Cast(global->Get(v8_str("__proto__")));
global_proto->Set(v8_str("x"), v8::Integer::New(0), v8::ReadOnly);
global_proto->Set(v8_str("y"), v8::Integer::New(0), v8::ReadOnly);
// Check without 'eval' or 'with'.
v8::Handle<v8::Value> res =
CompileRun("function f() { x = 42; return x; }; f()");
// Check with 'eval'.
res = CompileRun("function f() { eval('1'); y = 42; return y; }; f()");
CHECK_EQ(v8::Integer::New(42), res);
// Check with 'with'.
res = CompileRun("function f() { with (this) { y = 42 }; return y; }; f()");
CHECK_EQ(v8::Integer::New(42), res);
}
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