1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are
4 // met:
5 //
6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided
11 // with the distribution.
12 // * Neither the name of Google Inc. nor the names of its
13 // contributors may be used to endorse or promote products derived
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15 //
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28 #include <cstdlib>
29
30 #include "v8.h"
31
32 #include "cctest.h"
33 #include "platform/mutex.h"
34
35 using namespace ::v8::internal;
36
37
TEST(LockGuardMutex)38 TEST(LockGuardMutex) {
39 Mutex mutex;
40 { LockGuard<Mutex> lock_guard(&mutex);
41 }
42 { LockGuard<Mutex> lock_guard(&mutex);
43 }
44 }
45
46
TEST(LockGuardRecursiveMutex)47 TEST(LockGuardRecursiveMutex) {
48 RecursiveMutex recursive_mutex;
49 { LockGuard<RecursiveMutex> lock_guard(&recursive_mutex);
50 }
51 { LockGuard<RecursiveMutex> lock_guard1(&recursive_mutex);
52 LockGuard<RecursiveMutex> lock_guard2(&recursive_mutex);
53 }
54 }
55
56
TEST(LockGuardLazyMutex)57 TEST(LockGuardLazyMutex) {
58 LazyMutex lazy_mutex = LAZY_MUTEX_INITIALIZER;
59 { LockGuard<Mutex> lock_guard(lazy_mutex.Pointer());
60 }
61 { LockGuard<Mutex> lock_guard(lazy_mutex.Pointer());
62 }
63 }
64
65
TEST(LockGuardLazyRecursiveMutex)66 TEST(LockGuardLazyRecursiveMutex) {
67 LazyRecursiveMutex lazy_recursive_mutex = LAZY_RECURSIVE_MUTEX_INITIALIZER;
68 { LockGuard<RecursiveMutex> lock_guard(lazy_recursive_mutex.Pointer());
69 }
70 { LockGuard<RecursiveMutex> lock_guard1(lazy_recursive_mutex.Pointer());
71 LockGuard<RecursiveMutex> lock_guard2(lazy_recursive_mutex.Pointer());
72 }
73 }
74
75
TEST(MultipleMutexes)76 TEST(MultipleMutexes) {
77 Mutex mutex1;
78 Mutex mutex2;
79 Mutex mutex3;
80 // Order 1
81 mutex1.Lock();
82 mutex2.Lock();
83 mutex3.Lock();
84 mutex1.Unlock();
85 mutex2.Unlock();
86 mutex3.Unlock();
87 // Order 2
88 mutex1.Lock();
89 mutex2.Lock();
90 mutex3.Lock();
91 mutex3.Unlock();
92 mutex2.Unlock();
93 mutex1.Unlock();
94 }
95
96
TEST(MultipleRecursiveMutexes)97 TEST(MultipleRecursiveMutexes) {
98 RecursiveMutex recursive_mutex1;
99 RecursiveMutex recursive_mutex2;
100 // Order 1
101 recursive_mutex1.Lock();
102 recursive_mutex2.Lock();
103 CHECK(recursive_mutex1.TryLock());
104 CHECK(recursive_mutex2.TryLock());
105 recursive_mutex1.Unlock();
106 recursive_mutex1.Unlock();
107 recursive_mutex2.Unlock();
108 recursive_mutex2.Unlock();
109 // Order 2
110 recursive_mutex1.Lock();
111 CHECK(recursive_mutex1.TryLock());
112 recursive_mutex2.Lock();
113 CHECK(recursive_mutex2.TryLock());
114 recursive_mutex2.Unlock();
115 recursive_mutex1.Unlock();
116 recursive_mutex2.Unlock();
117 recursive_mutex1.Unlock();
118 }
119