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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/logging.h"
#include "gin/arguments.h"
#include "gin/handle.h"
#include "gin/per_isolate_data.h"
#include "gin/public/isolate_holder.h"
#include "gin/test/v8_test.h"
#include "gin/wrappable.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace gin {
namespace {
class MyObject : public Wrappable {
public:
static gin::Handle<MyObject> Create(v8::Isolate* isolate);
int value() const { return value_; }
void set_value(int value) { value_ = value; }
static WrapperInfo kWrapperInfo;
virtual WrapperInfo* GetWrapperInfo() OVERRIDE;
private:
MyObject() : value_(0) {}
virtual ~MyObject() {}
int value_;
};
WrapperInfo MyObject::kWrapperInfo = { kEmbedderNativeGin };
gin::Handle<MyObject> MyObject::Create(v8::Isolate* isolate) {
return CreateHandle(isolate, new MyObject());
}
WrapperInfo* MyObject::GetWrapperInfo() {
return &kWrapperInfo;
}
} // namespace
template<>
struct Converter<MyObject*> : public WrappableConverter<MyObject> {};
namespace {
// TODO(abarth): This is too much typing.
void MyObjectGetValue(const v8::FunctionCallbackInfo<v8::Value>& info) {
Arguments args(info);
MyObject* obj = 0;
CHECK(args.Holder(&obj));
args.Return(obj->value());
}
void MyObjectSetValue(const v8::FunctionCallbackInfo<v8::Value>& info) {
Arguments args(info);
MyObject* obj = 0;
CHECK(args.Holder(&obj));
int val = 0;
if (!args.GetNext(&val))
return args.ThrowError();
obj->set_value(val);
}
void RegisterTemplate(v8::Isolate* isolate) {
PerIsolateData* data = PerIsolateData::From(isolate);
DCHECK(data->GetObjectTemplate(&MyObject::kWrapperInfo).IsEmpty());
v8::Handle<v8::ObjectTemplate> templ = v8::ObjectTemplate::New(isolate);
templ->SetInternalFieldCount(kNumberOfInternalFields);
templ->SetAccessorProperty(
StringToSymbol(isolate, "value"),
v8::FunctionTemplate::New(isolate, MyObjectGetValue),
v8::FunctionTemplate::New(isolate, MyObjectSetValue));
data->SetObjectTemplate(&MyObject::kWrapperInfo, templ);
}
typedef V8Test WrappableTest;
TEST_F(WrappableTest, WrapAndUnwrap) {
v8::Isolate* isolate = instance_->isolate();
v8::HandleScope handle_scope(isolate);
RegisterTemplate(isolate);
Handle<MyObject> obj = MyObject::Create(isolate);
v8::Handle<v8::Value> wrapper = ConvertToV8(isolate, obj.get());
EXPECT_FALSE(wrapper.IsEmpty());
MyObject* unwrapped = 0;
EXPECT_TRUE(ConvertFromV8(isolate, wrapper, &unwrapped));
EXPECT_EQ(obj.get(), unwrapped);
}
TEST_F(WrappableTest, GetAndSetProperty) {
v8::Isolate* isolate = instance_->isolate();
v8::HandleScope handle_scope(isolate);
RegisterTemplate(isolate);
gin::Handle<MyObject> obj = MyObject::Create(isolate);
obj->set_value(42);
EXPECT_EQ(42, obj->value());
v8::Handle<v8::String> source = StringToV8(isolate,
"(function (obj) {"
" if (obj.value !== 42) throw 'FAIL';"
" else obj.value = 191; })");
EXPECT_FALSE(source.IsEmpty());
v8::TryCatch try_catch;
v8::Handle<v8::Script> script = v8::Script::New(source);
EXPECT_FALSE(script.IsEmpty());
v8::Handle<v8::Value> val = script->Run();
EXPECT_FALSE(val.IsEmpty());
v8::Handle<v8::Function> func;
EXPECT_TRUE(ConvertFromV8(isolate, val, &func));
v8::Handle<v8::Value> argv[] = {
ConvertToV8(isolate, obj.get()),
};
func->Call(v8::Undefined(isolate), 1, argv);
EXPECT_EQ(191, obj->value());
}
} // namespace
} // namespace gin
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