Upstream version 9.38.198.0
[platform/framework/web/crosswalk.git] / src / content / renderer / gin_browsertest.cc
1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "base/command_line.h"
6 #include "content/public/common/content_switches.h"
7 #include "content/public/test/render_view_test.h"
8 #include "content/renderer/render_view_impl.h"
9 #include "gin/handle.h"
10 #include "gin/per_isolate_data.h"
11 #include "gin/wrappable.h"
12 #include "testing/gtest/include/gtest/gtest.h"
13 #include "third_party/WebKit/public/web/WebFrame.h"
14 #include "third_party/WebKit/public/web/WebKit.h"
15 #include "third_party/WebKit/public/web/WebView.h"
16
17 namespace content {
18
19 namespace {
20
21 class TestGinObject : public gin::Wrappable<TestGinObject> {
22  public:
23   static gin::WrapperInfo kWrapperInfo;
24
25   static gin::Handle<TestGinObject> Create(v8::Isolate* isolate, bool* alive) {
26     return gin::CreateHandle(isolate, new TestGinObject(alive));
27   }
28
29  private:
30   TestGinObject(bool* alive) : alive_(alive) { *alive_ = true; }
31   virtual ~TestGinObject() { *alive_ = false; }
32
33   bool* alive_;
34
35   DISALLOW_COPY_AND_ASSIGN(TestGinObject);
36 };
37
38 gin::WrapperInfo TestGinObject::kWrapperInfo = { gin::kEmbedderNativeGin };
39
40 class GinBrowserTest : public RenderViewTest {
41  public:
42   GinBrowserTest() {}
43   virtual ~GinBrowserTest() {}
44
45   virtual void SetUp() OVERRIDE {
46     CommandLine::ForCurrentProcess()->AppendSwitchASCII(
47         switches::kJavaScriptFlags, "--expose_gc");
48
49     RenderViewTest::SetUp();
50   }
51
52  private:
53
54   DISALLOW_COPY_AND_ASSIGN(GinBrowserTest);
55 };
56
57 // Test that garbage collection doesn't crash if a gin-wrapped object is
58 // present.
59 TEST_F(GinBrowserTest, GinAndGarbageCollection) {
60   LoadHTML("<!doctype html>");
61
62   bool alive = false;
63
64   {
65     v8::Isolate* isolate = blink::mainThreadIsolate();
66     v8::HandleScope handle_scope(isolate);
67     v8::Context::Scope context_scope(
68         view_->GetWebView()->mainFrame()->mainWorldScriptContext());
69
70     // We create the object inside a scope so it's not kept alive by a handle
71     // on the stack.
72     TestGinObject::Create(isolate, &alive);
73   }
74
75   CHECK(alive);
76
77   // Should not crash.
78   blink::mainThreadIsolate()->LowMemoryNotification();
79
80   CHECK(!alive);
81 }
82
83 } // namespace
84
85 }  // namespace content