1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
// Copyright 2013 The Chromium Authors
// 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 "base/memory/raw_ptr.h"
#include "content/public/test/render_view_test.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/blink/public/common/switches.h"
#include "third_party/blink/public/web/web_local_frame.h"
#include "third_party/blink/public/web/web_view.h"
#include "v8/include/v8-context.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));
}
TestGinObject(const TestGinObject&) = delete;
TestGinObject& operator=(const TestGinObject&) = delete;
private:
TestGinObject(bool* alive) : alive_(alive) { *alive_ = true; }
~TestGinObject() override { *alive_ = false; }
raw_ptr<bool> alive_;
};
gin::WrapperInfo TestGinObject::kWrapperInfo = { gin::kEmbedderNativeGin };
class GinBrowserTest : public RenderViewTest {
public:
GinBrowserTest() {}
GinBrowserTest(const GinBrowserTest&) = delete;
GinBrowserTest& operator=(const GinBrowserTest&) = delete;
~GinBrowserTest() override {}
void SetUp() override {
base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
blink::switches::kJavaScriptFlags, "--expose_gc");
RenderViewTest::SetUp();
}
};
// 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 = Isolate();
v8::HandleScope handle_scope(isolate);
v8::Context::Scope context_scope(GetMainFrame()->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.
Isolate()->LowMemoryNotification();
CHECK(!alive);
}
} // namespace
} // namespace content
|
