// Copyright 2009 the V8 project authors. All rights reserved.
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// 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,
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <stdlib.h>
#include "v8.h"
#include "api.h"
#include "cctest.h"
#include "frames-inl.h"
#include "string-stream.h"
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;
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());
}
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);
}
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> 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());
}
template <int C>
static v8::Handle<Value> HandleAllocatingGetter(Local<String> name,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
for (int i = 0; i < C; i++)
v8::String::New("foo");
return v8::String::New("foo");
}
THREADED_TEST(HandleScopePop) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> obj = ObjectTemplate::New();
obj->SetAccessor(v8_str("one"), HandleAllocatingGetter<1>);
obj->SetAccessor(v8_str("many"), HandleAllocatingGetter<1024>);
LocalContext context;
v8::Handle<v8::Object> inst = obj->NewInstance();
context->Global()->Set(v8::String::New("obj"), inst);
int count_before = i::HandleScope::NumberOfHandles();
{
v8::HandleScope scope;
CompileRun(
"for (var i = 0; i < 1000; i++) {"
" obj.one;"
" obj.many;"
"}");
}
int count_after = i::HandleScope::NumberOfHandles();
CHECK_EQ(count_before, count_after);
}
static v8::Handle<Value> CheckAccessorArgsCorrect(Local<String> name,
const AccessorInfo& info) {
CHECK(info.This() == info.Holder());
CHECK(info.Data()->Equals(v8::String::New("data")));
ApiTestFuzzer::Fuzz();
CHECK(info.This() == info.Holder());
CHECK(info.Data()->Equals(v8::String::New("data")));
HEAP->CollectAllGarbage(i::Heap::kNoGCFlags);
CHECK(info.This() == info.Holder());
CHECK(info.Data()->Equals(v8::String::New("data")));
return v8::Integer::New(17);
}
THREADED_TEST(DirectCall) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> obj = ObjectTemplate::New();
obj->SetAccessor(v8_str("xxx"),
CheckAccessorArgsCorrect,
NULL,
v8::String::New("data"));
LocalContext context;
v8::Handle<v8::Object> inst = obj->NewInstance();
context->Global()->Set(v8::String::New("obj"), inst);
Local<Script> scr = v8::Script::Compile(v8::String::New("obj.xxx"));
for (int i = 0; i < 10; i++) {
Local<Value> result = scr->Run();
CHECK(!result.IsEmpty());
CHECK_EQ(17, result->Int32Value());
}
}
static v8::Handle<Value> EmptyGetter(Local<String> name,
const AccessorInfo& info) {
CheckAccessorArgsCorrect(name, info);
ApiTestFuzzer::Fuzz();
CheckAccessorArgsCorrect(name, info);
return v8::Handle<v8::Value>();
}
THREADED_TEST(EmptyResult) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> obj = ObjectTemplate::New();
obj->SetAccessor(v8_str("xxx"), EmptyGetter, NULL, v8::String::New("data"));
LocalContext context;
v8::Handle<v8::Object> inst = obj->NewInstance();
context->Global()->Set(v8::String::New("obj"), inst);
Local<Script> scr = v8::Script::Compile(v8::String::New("obj.xxx"));
for (int i = 0; i < 10; i++) {
Local<Value> result = scr->Run();
CHECK(result == v8::Undefined());
}
}
THREADED_TEST(NoReuseRegress) {
// Check that the IC generated for the one test doesn't get reused
// for the other.
v8::HandleScope scope;
{
v8::Handle<v8::ObjectTemplate> obj = ObjectTemplate::New();
obj->SetAccessor(v8_str("xxx"), EmptyGetter, NULL, v8::String::New("data"));
LocalContext context;
v8::Handle<v8::Object> inst = obj->NewInstance();
context->Global()->Set(v8::String::New("obj"), inst);
Local<Script> scr = v8::Script::Compile(v8::String::New("obj.xxx"));
for (int i = 0; i < 2; i++) {
Local<Value> result = scr->Run();
CHECK(result == v8::Undefined());
}
}
{
v8::Handle<v8::ObjectTemplate> obj = ObjectTemplate::New();
obj->SetAccessor(v8_str("xxx"),
CheckAccessorArgsCorrect,
NULL,
v8::String::New("data"));
LocalContext context;
v8::Handle<v8::Object> inst = obj->NewInstance();
context->Global()->Set(v8::String::New("obj"), inst);
Local<Script> scr = v8::Script::Compile(v8::String::New("obj.xxx"));
for (int i = 0; i < 10; i++) {
Local<Value> result = scr->Run();
CHECK(!result.IsEmpty());
CHECK_EQ(17, result->Int32Value());
}
}
}
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);
}
static v8::Handle<Value> AllocGetter(Local<String> name,
const AccessorInfo& info) {
ApiTestFuzzer::Fuzz();
return v8::Array::New(1000);
}
THREADED_TEST(Gc) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> obj = ObjectTemplate::New();
obj->SetAccessor(v8_str("xxx"), AllocGetter);
LocalContext env;
env->Global()->Set(v8_str("obj"), obj->NewInstance());
Script::Compile(String::New(
"var last = [];"
"for (var i = 0; i < 2048; i++) {"
" var result = obj.xxx;"
" result[0] = last;"
" last = result;"
"}"))->Run();
}
static v8::Handle<Value> StackCheck(Local<String> name,
const AccessorInfo& info) {
i::StackFrameIterator iter;
for (int i = 0; !iter.done(); i++) {
i::StackFrame* frame = iter.frame();
CHECK(i != 0 || (frame->type() == i::StackFrame::EXIT));
i::Code* code = frame->LookupCode();
CHECK(code->IsCode());
i::Address pc = frame->pc();
CHECK(code->contains(pc));
iter.Advance();
}
return v8::Undefined();
}
THREADED_TEST(StackIteration) {
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> obj = ObjectTemplate::New();
i::StringStream::ClearMentionedObjectCache();
obj->SetAccessor(v8_str("xxx"), StackCheck);
LocalContext env;
env->Global()->Set(v8_str("obj"), obj->NewInstance());
Script::Compile(String::New(
"function foo() {"
" return obj.xxx;"
"}"
"for (var i = 0; i < 100; i++) {"
" foo();"
"}"))->Run();
}
static v8::Handle<Value> AllocateHandles(Local<String> name,
const AccessorInfo& info) {
for (int i = 0; i < i::kHandleBlockSize + 1; i++) {
v8::Local<v8::Value>::New(name);
}
return v8::Integer::New(100);
}
THREADED_TEST(HandleScopeSegment) {
// Check that we can return values past popping of handle scope
// segments.
v8::HandleScope scope;
v8::Handle<v8::ObjectTemplate> obj = ObjectTemplate::New();
obj->SetAccessor(v8_str("xxx"), AllocateHandles);
LocalContext env;
env->Global()->Set(v8_str("obj"), obj->NewInstance());
v8::Handle<v8::Value> result = Script::Compile(String::New(
"var result;"
"for (var i = 0; i < 4; i++)"
" result = obj.xxx;"
"result;"))->Run();
CHECK_EQ(100, result->Int32Value());
}