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/*
* Copyright (c) 2015, Ford Motor Company
* 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 the Ford Motor Company 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 HOLDER 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 "gtest/gtest.h"
#include "utils/lock.h"
namespace test {
namespace components {
namespace utils {
using sync_primitives::Lock;
TEST(LockPosixTest, DefaultCtorTest_ExpectNonRecursiveMutexCreated) {
// Create Lock object
Lock test_mutex;
// Lock mutex
test_mutex.Acquire();
// Check if created mutex is non-recursive
EXPECT_FALSE(test_mutex.Try());
// Release mutex before destroy
test_mutex.Release();
}
TEST(LockPosixTest, CtorTestWithFalseArgument_ExpectNonRecursiveMutexCreated) {
// Create Lock object
Lock test_mutex(false);
// Lock mutex
test_mutex.Acquire();
// Check if created mutex is non-recursive
EXPECT_FALSE(test_mutex.Try());
// Release mutex before destroy
test_mutex.Release();
}
TEST(LockPosixTest, CtorTestWithTrueArgument_ExpectRecursiveMutexCreated) {
// Create Lock object
Lock test_mutex(true);
// Lock mutex
test_mutex.Acquire();
// Check if created mutex is recursive
EXPECT_TRUE(test_mutex.Try());
// Release mutex before destroy
test_mutex.Release();
test_mutex.Release();
}
TEST(LockPosixTest, AcquireMutex_ExpectMutexLocked) {
// Create Lock object (non-recursive mutex)
Lock test_mutex;
// Lock mutex
test_mutex.Acquire();
// Try to lock it again. If locked expect false
EXPECT_FALSE(test_mutex.Try());
test_mutex.Release();
}
TEST(LockPosixTest, ReleaseMutex_ExpectMutexReleased) {
// Create Lock object (non-recursive mutex)
Lock test_mutex;
// Lock mutex
test_mutex.Acquire();
// Release mutex
test_mutex.Release();
// Try to lock it again. If released expect true
EXPECT_TRUE(test_mutex.Try());
test_mutex.Release();
}
TEST(LockPosixTest, TryLockNonRecursiveMutex_ExpectMutexNotLockedTwice) {
// Create Lock object (non-recursive mutex)
Lock test_mutex;
// Lock mutex
test_mutex.Try();
// Try to lock it again. If locked expect false
EXPECT_FALSE(test_mutex.Try());
test_mutex.Release();
}
TEST(LockPosixTest, TryLockRecursiveMutex_ExpectMutexLockedTwice) {
// Create Lock object (recursive mutex)
Lock test_mutex(true);
// Lock mutex
test_mutex.Try();
// Try to lock it again. Expect true and internal counter increase
EXPECT_TRUE(test_mutex.Try());
// Release mutex twice as was locked twice.
// Every Release() will decrement internal counter
test_mutex.Release();
test_mutex.Release();
}
} // namespace utils
} // namespace components
} // namespace test
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