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// Copyright 2006-2008 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.
//
// Tests of the TokenLock class from lock.h
#include <stdlib.h>
#include "v8.h"
#include "platform.h"
#include "cctest.h"
using namespace ::v8::internal;
// Simple test of locking logic
TEST(Simple) {
Mutex* mutex = OS::CreateMutex();
CHECK_EQ(0, mutex->Lock()); // acquire the lock with the right token
CHECK_EQ(0, mutex->Unlock()); // can unlock with the right token
delete mutex;
}
TEST(MultiLock) {
Mutex* mutex = OS::CreateMutex();
CHECK_EQ(0, mutex->Lock());
CHECK_EQ(0, mutex->Unlock());
delete mutex;
}
TEST(ShallowLock) {
Mutex* mutex = OS::CreateMutex();
CHECK_EQ(0, mutex->Lock());
CHECK_EQ(0, mutex->Unlock());
CHECK_EQ(0, mutex->Lock());
CHECK_EQ(0, mutex->Unlock());
delete mutex;
}
TEST(SemaphoreTimeout) {
bool ok;
Semaphore* sem = OS::CreateSemaphore(0);
// Semaphore not signalled - timeout.
ok = sem->Wait(0);
CHECK(!ok);
ok = sem->Wait(100);
CHECK(!ok);
ok = sem->Wait(1000);
CHECK(!ok);
// Semaphore signalled - no timeout.
sem->Signal();
ok = sem->Wait(0);
sem->Signal();
ok = sem->Wait(100);
sem->Signal();
ok = sem->Wait(1000);
CHECK(ok);
delete sem;
}
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