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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 | |
14 // from this software without specific prior written permission. | |
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 | |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
27 | |
28 #include <cstdlib> | |
29 | |
30 #include "src/v8.h" | |
31 | |
32 #include "src/base/platform/mutex.h" | |
33 #include "test/cctest/cctest.h" | |
34 | |
35 using namespace ::v8::internal; | |
36 | |
37 | |
38 TEST(LockGuardMutex) { | |
39 v8::base::Mutex mutex; | |
40 { v8::base::LockGuard<v8::base::Mutex> lock_guard(&mutex); | |
41 } | |
42 { v8::base::LockGuard<v8::base::Mutex> lock_guard(&mutex); | |
43 } | |
44 } | |
45 | |
46 | |
47 TEST(LockGuardRecursiveMutex) { | |
48 v8::base::RecursiveMutex recursive_mutex; | |
49 { v8::base::LockGuard<v8::base::RecursiveMutex> lock_guard(&recursive_mutex); | |
50 } | |
51 { v8::base::LockGuard<v8::base::RecursiveMutex> lock_guard1(&recursive_mutex); | |
52 v8::base::LockGuard<v8::base::RecursiveMutex> lock_guard2(&recursive_mutex); | |
53 } | |
54 } | |
55 | |
56 | |
57 TEST(LockGuardLazyMutex) { | |
58 v8::base::LazyMutex lazy_mutex = LAZY_MUTEX_INITIALIZER; | |
59 { v8::base::LockGuard<v8::base::Mutex> lock_guard(lazy_mutex.Pointer()); | |
60 } | |
61 { v8::base::LockGuard<v8::base::Mutex> lock_guard(lazy_mutex.Pointer()); | |
62 } | |
63 } | |
64 | |
65 | |
66 TEST(LockGuardLazyRecursiveMutex) { | |
67 v8::base::LazyRecursiveMutex lazy_recursive_mutex = | |
68 LAZY_RECURSIVE_MUTEX_INITIALIZER; | |
69 { | |
70 v8::base::LockGuard<v8::base::RecursiveMutex> lock_guard( | |
71 lazy_recursive_mutex.Pointer()); | |
72 } | |
73 { | |
74 v8::base::LockGuard<v8::base::RecursiveMutex> lock_guard1( | |
75 lazy_recursive_mutex.Pointer()); | |
76 v8::base::LockGuard<v8::base::RecursiveMutex> lock_guard2( | |
77 lazy_recursive_mutex.Pointer()); | |
78 } | |
79 } | |
80 | |
81 | |
82 TEST(MultipleMutexes) { | |
83 v8::base::Mutex mutex1; | |
84 v8::base::Mutex mutex2; | |
85 v8::base::Mutex mutex3; | |
86 // Order 1 | |
87 mutex1.Lock(); | |
88 mutex2.Lock(); | |
89 mutex3.Lock(); | |
90 mutex1.Unlock(); | |
91 mutex2.Unlock(); | |
92 mutex3.Unlock(); | |
93 // Order 2 | |
94 mutex1.Lock(); | |
95 mutex2.Lock(); | |
96 mutex3.Lock(); | |
97 mutex3.Unlock(); | |
98 mutex2.Unlock(); | |
99 mutex1.Unlock(); | |
100 } | |
101 | |
102 | |
103 TEST(MultipleRecursiveMutexes) { | |
104 v8::base::RecursiveMutex recursive_mutex1; | |
105 v8::base::RecursiveMutex recursive_mutex2; | |
106 // Order 1 | |
107 recursive_mutex1.Lock(); | |
108 recursive_mutex2.Lock(); | |
109 CHECK(recursive_mutex1.TryLock()); | |
110 CHECK(recursive_mutex2.TryLock()); | |
111 recursive_mutex1.Unlock(); | |
112 recursive_mutex1.Unlock(); | |
113 recursive_mutex2.Unlock(); | |
114 recursive_mutex2.Unlock(); | |
115 // Order 2 | |
116 recursive_mutex1.Lock(); | |
117 CHECK(recursive_mutex1.TryLock()); | |
118 recursive_mutex2.Lock(); | |
119 CHECK(recursive_mutex2.TryLock()); | |
120 recursive_mutex2.Unlock(); | |
121 recursive_mutex1.Unlock(); | |
122 recursive_mutex2.Unlock(); | |
123 recursive_mutex1.Unlock(); | |
124 } | |
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