blob: 5af5efb5a9d68d3c6a46c4dde391bdff43ddc8b0 (
plain)
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
|
// Copyright 2014 the V8 project 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 "src/base/platform/mutex.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace v8 {
namespace base {
TEST(Mutex, LockGuardMutex) {
Mutex mutex;
{ LockGuard<Mutex> lock_guard(&mutex); }
{ LockGuard<Mutex> lock_guard(&mutex); }
}
TEST(Mutex, LockGuardRecursiveMutex) {
RecursiveMutex recursive_mutex;
{ LockGuard<RecursiveMutex> lock_guard(&recursive_mutex); }
{
LockGuard<RecursiveMutex> lock_guard1(&recursive_mutex);
LockGuard<RecursiveMutex> lock_guard2(&recursive_mutex);
}
}
TEST(Mutex, LockGuardLazyMutex) {
LazyMutex lazy_mutex = LAZY_MUTEX_INITIALIZER;
{ LockGuard<Mutex> lock_guard(lazy_mutex.Pointer()); }
{ LockGuard<Mutex> lock_guard(lazy_mutex.Pointer()); }
}
TEST(Mutex, LockGuardLazyRecursiveMutex) {
LazyRecursiveMutex lazy_recursive_mutex = LAZY_RECURSIVE_MUTEX_INITIALIZER;
{ LockGuard<RecursiveMutex> lock_guard(lazy_recursive_mutex.Pointer()); }
{
LockGuard<RecursiveMutex> lock_guard1(lazy_recursive_mutex.Pointer());
LockGuard<RecursiveMutex> lock_guard2(lazy_recursive_mutex.Pointer());
}
}
TEST(Mutex, MultipleMutexes) {
Mutex mutex1;
Mutex mutex2;
Mutex mutex3;
// Order 1
mutex1.Lock();
mutex2.Lock();
mutex3.Lock();
mutex1.Unlock();
mutex2.Unlock();
mutex3.Unlock();
// Order 2
mutex1.Lock();
mutex2.Lock();
mutex3.Lock();
mutex3.Unlock();
mutex2.Unlock();
mutex1.Unlock();
}
TEST(Mutex, MultipleRecursiveMutexes) {
RecursiveMutex recursive_mutex1;
RecursiveMutex recursive_mutex2;
// Order 1
recursive_mutex1.Lock();
recursive_mutex2.Lock();
EXPECT_TRUE(recursive_mutex1.TryLock());
EXPECT_TRUE(recursive_mutex2.TryLock());
recursive_mutex1.Unlock();
recursive_mutex1.Unlock();
recursive_mutex2.Unlock();
recursive_mutex2.Unlock();
// Order 2
recursive_mutex1.Lock();
EXPECT_TRUE(recursive_mutex1.TryLock());
recursive_mutex2.Lock();
EXPECT_TRUE(recursive_mutex2.TryLock());
recursive_mutex2.Unlock();
recursive_mutex1.Unlock();
recursive_mutex2.Unlock();
recursive_mutex1.Unlock();
}
} // namespace base
} // namespace v8
|
