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
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
|
// 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 <string>
#include "base/compiler_specific.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/memory/ref_counted.h"
#include "base/test/task_environment.h"
#include "ppapi/shared_impl/proxy_lock.h"
#include "ppapi/shared_impl/test_globals.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ppapi {
namespace {
bool expect_to_be_locked = false;
void CheckLockState() {
if (expect_to_be_locked) {
ProxyLock::AssertAcquired();
} else {
// If we expect to be unlocked, try to lock. We rely on the checking inside
// base::Lock that prevents recursive locking.
ProxyAutoLock lock;
}
}
int called_num = 0;
class CheckLockStateInDestructor
: public base::RefCounted<CheckLockStateInDestructor> {
public:
CheckLockStateInDestructor() {}
CheckLockStateInDestructor(const CheckLockStateInDestructor&) = delete;
CheckLockStateInDestructor& operator=(const CheckLockStateInDestructor&) =
delete;
void Method() { ++called_num; }
private:
friend class base::RefCounted<CheckLockStateInDestructor>;
~CheckLockStateInDestructor() { CheckLockState(); }
};
void TestCallback_0() {
CheckLockState();
++called_num;
}
void TestCallback_1(int p1) {
CheckLockState();
++called_num;
}
void TestCallback_2(int p1, const std::string& p2) {
CheckLockState();
++called_num;
}
struct Param {};
void TestCallback_3(int p1, const std::string& p2, Param p3) {
CheckLockState();
++called_num;
}
} // namespace
class PpapiProxyLockTest : public testing::Test {
base::test::SingleThreadTaskEnvironment
task_environment_; // Required to receive callbacks.
};
TEST_F(PpapiProxyLockTest, Locking) {
TestGlobals globals;
expect_to_be_locked = true;
base::OnceCallback<void()> cb0;
{
ProxyAutoLock lock;
cb0 = RunWhileLocked(base::BindOnce(TestCallback_0));
}
std::move(cb0).Run();
ASSERT_EQ(1, called_num);
called_num = 0;
{
ProxyAutoLock lock;
cb0 = RunWhileLocked(base::BindOnce(TestCallback_1, 123));
}
std::move(cb0).Run();
ASSERT_EQ(1, called_num);
called_num = 0;
{
ProxyAutoLock lock;
scoped_refptr<CheckLockStateInDestructor> object =
new CheckLockStateInDestructor();
cb0 = RunWhileLocked(
base::BindOnce(&CheckLockStateInDestructor::Method, object));
// Note after this scope, the Callback owns the only reference.
}
std::move(cb0).Run();
ASSERT_EQ(1, called_num);
called_num = 0;
base::OnceCallback<void(int)> cb1;
{
ProxyAutoLock lock;
cb1 = RunWhileLocked(base::BindOnce(TestCallback_1));
}
std::move(cb1).Run(123);
ASSERT_EQ(1, called_num);
called_num = 0;
base::OnceCallback<void(int, const std::string&)> cb2;
{
ProxyAutoLock lock;
cb2 = RunWhileLocked(base::BindOnce(TestCallback_2));
}
std::move(cb2).Run(123, std::string("yo"));
ASSERT_EQ(1, called_num);
called_num = 0;
base::OnceCallback<void(int, const std::string&, Param)> cb3;
{
ProxyAutoLock lock;
cb3 = RunWhileLocked(base::BindOnce(TestCallback_3));
}
std::move(cb3).Run(123, std::string("yo"), Param());
ASSERT_EQ(1, called_num);
called_num = 0;
base::OnceCallback<void(const std::string&)> cb1_string;
{
ProxyAutoLock lock;
cb1_string = RunWhileLocked(base::BindOnce(TestCallback_2, 123));
}
std::move(cb1_string).Run(std::string("yo"));
ASSERT_EQ(1, called_num);
called_num = 0;
{
ProxyAutoLock lock;
cb0 =
RunWhileLocked(base::BindOnce(TestCallback_2, 123, std::string("yo")));
}
std::move(cb0).Run();
ASSERT_EQ(1, called_num);
called_num = 0;
}
TEST_F(PpapiProxyLockTest, Unlocking) {
TestGlobals globals;
expect_to_be_locked = false;
// These calls should all try to _unlock_, so we must be locked before
// entering them.
ProxyAutoLock auto_lock;
{
CallWhileUnlocked(TestCallback_0);
ASSERT_EQ(1, called_num);
called_num = 0;
}
{
CallWhileUnlocked(TestCallback_1, 123);
ASSERT_EQ(1, called_num);
called_num = 0;
}
{
CallWhileUnlocked(TestCallback_2, 123, std::string("yo"));
ASSERT_EQ(1, called_num);
called_num = 0;
}
{
base::OnceCallback<void()> callback(base::BindOnce(TestCallback_0));
CallWhileUnlocked(std::move(callback));
ASSERT_EQ(1, called_num);
called_num = 0;
}
}
} // namespace ppapi
|
