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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
// Copyright (c) 2010 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 "webkit/plugins/ppapi/ppapi_unittest.h"
#include "webkit/plugins/ppapi/mock_resource.h"
#include "webkit/plugins/ppapi/resource_tracker.h"
namespace webkit {
namespace ppapi {
namespace {
class TrackedMockResource : public MockResource {
public:
static int tracked_objects_alive;
TrackedMockResource(PluginModule* module) : MockResource(module) {
tracked_objects_alive++;
}
~TrackedMockResource() {
tracked_objects_alive--;
}
};
int TrackedMockResource::tracked_objects_alive = 0;
} // namespace
class ResourceTrackerTest : public PpapiUnittest {
public:
ResourceTrackerTest() {
}
virtual void SetUp() {
PpapiUnittest::SetUp();
ResourceTracker::SetSingletonOverride(&tracker_);
}
virtual void TearDown() {
ResourceTracker::ClearSingletonOverride();
PpapiUnittest::TearDown();
}
ResourceTracker& tracker() { return tracker_; }
private:
ResourceTracker tracker_;
};
TEST_F(ResourceTrackerTest, Ref) {
ASSERT_EQ(0, TrackedMockResource::tracked_objects_alive);
EXPECT_EQ(0u, tracker().GetLiveObjectsForModule(module()));
{
scoped_refptr<TrackedMockResource> new_resource(
new TrackedMockResource(module()));
ASSERT_EQ(1, TrackedMockResource::tracked_objects_alive);
// Since we haven't gotten a PP_Resource, it's not associated with the
// module.
EXPECT_EQ(0u, tracker().GetLiveObjectsForModule(module()));
}
ASSERT_EQ(0, TrackedMockResource::tracked_objects_alive);
// Make a new resource and get it as a PP_Resource.
PP_Resource resource_id = 0;
{
scoped_refptr<TrackedMockResource> new_resource(
new TrackedMockResource(module()));
ASSERT_EQ(1, TrackedMockResource::tracked_objects_alive);
resource_id = new_resource->GetReference();
EXPECT_EQ(1u, tracker().GetLiveObjectsForModule(module()));
// Resource IDs should be consistent.
PP_Resource resource_id_2 = new_resource->GetReference();
ASSERT_EQ(resource_id, resource_id_2);
}
// This time it should not have been deleted since the PP_Resource carries
// a ref.
ASSERT_EQ(1, TrackedMockResource::tracked_objects_alive);
// Now we have two refs, derefing twice should delete the object.
tracker().UnrefResource(resource_id);
ASSERT_EQ(1, TrackedMockResource::tracked_objects_alive);
tracker().UnrefResource(resource_id);
ASSERT_EQ(0, TrackedMockResource::tracked_objects_alive);
}
TEST_F(ResourceTrackerTest, ForceDelete) {
// Make two resources.
scoped_refptr<TrackedMockResource> resource1(
new TrackedMockResource(module()));
PP_Resource pp_resource1 = resource1->GetReference();
scoped_refptr<TrackedMockResource> resource2(
new TrackedMockResource(module()));
PP_Resource pp_resource2 = resource2->GetReference();
// Keep an "internal" ref to only the first (the PP_Resource also holds a
// ref to each resource on behalf of the plugin).
resource2 = NULL;
ASSERT_EQ(2, TrackedMockResource::tracked_objects_alive);
EXPECT_EQ(2u, tracker().GetLiveObjectsForModule(module()));
// Force delete both refs.
tracker().ForceDeletePluginResourceRefs(pp_resource1);
tracker().ForceDeletePluginResourceRefs(pp_resource2);
EXPECT_EQ(0u, tracker().GetLiveObjectsForModule(module()));
// The resource we have a scoped_refptr to should still be alive.
ASSERT_EQ(1, TrackedMockResource::tracked_objects_alive);
resource1 = NULL;
ASSERT_EQ(0, TrackedMockResource::tracked_objects_alive);
}
} // namespace ppapi
} // namespace webkit
|
