// 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 { public: static gin::WrapperInfo kWrapperInfo; static gin::Handle 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(""); 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