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// Copyright (c) 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/command_line.h"
#include "content/public/common/content_switches.h"
#include "content/public/test/render_view_test.h"
#include "content/renderer/render_view_impl.h"
#include "gin/handle.h"
#include "gin/per_isolate_data.h"
#include "gin/wrappable.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebKit.h"
#include "third_party/WebKit/public/web/WebView.h"
namespace content {
namespace {
class TestGinObject : public gin::Wrappable<TestGinObject> {
public:
static gin::WrapperInfo kWrapperInfo;
static gin::Handle<TestGinObject> Create(v8::Isolate* isolate, bool* alive) {
return gin::CreateHandle(isolate, new TestGinObject(alive));
}
private:
TestGinObject(bool* alive) : alive_(alive) { *alive_ = true; }
virtual ~TestGinObject() { *alive_ = false; }
bool* alive_;
DISALLOW_COPY_AND_ASSIGN(TestGinObject);
};
gin::WrapperInfo TestGinObject::kWrapperInfo = { gin::kEmbedderNativeGin };
class GinBrowserTest : public RenderViewTest {
public:
GinBrowserTest() {}
virtual ~GinBrowserTest() {}
virtual void SetUp() OVERRIDE {
CommandLine::ForCurrentProcess()->AppendSwitchASCII(
switches::kJavaScriptFlags, "--expose_gc");
RenderViewTest::SetUp();
}
private:
DISALLOW_COPY_AND_ASSIGN(GinBrowserTest);
};
// Test that garbage collection doesn't crash if a gin-wrapped object is
// present.
TEST_F(GinBrowserTest, GinAndGarbageCollection) {
LoadHTML("<!doctype html>");
bool alive = false;
{
v8::Isolate* isolate = blink::mainThreadIsolate();
v8::HandleScope handle_scope(isolate);
v8::Context::Scope context_scope(
view_->GetWebView()->mainFrame()->mainWorldScriptContext());
// We create the object inside a scope so it's not kept alive by a handle
// on the stack.
TestGinObject::Create(isolate, &alive);
}
CHECK(alive);
// Should not crash.
v8::V8::LowMemoryNotification();
CHECK(!alive);
}
} // namespace
} // namespace content
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