v8/test/cctest/test-mutex.cc

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// 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();
}