| // Copyright 2013 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include <cstdlib> |
| |
| #include "v8.h" |
| |
| #include "cctest.h" |
| #include "platform/mutex.h" |
| |
| using namespace ::v8::internal; |
| |
| |
| TEST(LockGuardMutex) { |
| Mutex mutex; |
| { LockGuard<Mutex> lock_guard(&mutex); |
| } |
| { LockGuard<Mutex> lock_guard(&mutex); |
| } |
| } |
| |
| |
| TEST(LockGuardRecursiveMutex) { |
| RecursiveMutex recursive_mutex; |
| { LockGuard<RecursiveMutex> lock_guard(&recursive_mutex); |
| } |
| { LockGuard<RecursiveMutex> lock_guard1(&recursive_mutex); |
| LockGuard<RecursiveMutex> lock_guard2(&recursive_mutex); |
| } |
| } |
| |
| |
| TEST(LockGuardLazyMutex) { |
| LazyMutex lazy_mutex = LAZY_MUTEX_INITIALIZER; |
| { LockGuard<Mutex> lock_guard(lazy_mutex.Pointer()); |
| } |
| { LockGuard<Mutex> lock_guard(lazy_mutex.Pointer()); |
| } |
| } |
| |
| |
| TEST(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(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(MultipleRecursiveMutexes) { |
| RecursiveMutex recursive_mutex1; |
| RecursiveMutex recursive_mutex2; |
| // Order 1 |
| recursive_mutex1.Lock(); |
| recursive_mutex2.Lock(); |
| CHECK(recursive_mutex1.TryLock()); |
| CHECK(recursive_mutex2.TryLock()); |
| recursive_mutex1.Unlock(); |
| recursive_mutex1.Unlock(); |
| recursive_mutex2.Unlock(); |
| recursive_mutex2.Unlock(); |
| // Order 2 |
| recursive_mutex1.Lock(); |
| CHECK(recursive_mutex1.TryLock()); |
| recursive_mutex2.Lock(); |
| CHECK(recursive_mutex2.TryLock()); |
| recursive_mutex2.Unlock(); |
| recursive_mutex1.Unlock(); |
| recursive_mutex2.Unlock(); |
| recursive_mutex1.Unlock(); |
| } |