blob: 98d97660ebbe48040c002e8476e8fabc1019371e [file] [log] [blame]
/*
* Copyright (C) 2019 Igalia, S.L.
* Copyright (C) 2019 Metrological Group B.V.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "config.h"
// For this file, we force checks even if we're running on release.
#define ENABLE_DATA_MUTEX_CHECKS 1
#include <wtf/DataMutex.h>
using namespace WTF;
namespace TestWebKitAPI {
struct MyStructure {
int number;
};
TEST(WTF_DataMutex, TakingTheMutex)
{
DataMutex<MyStructure> myDataMutex;
OwnerAwareLock* mutex;
{
DataMutex<MyStructure>::LockedWrapper wrapper(myDataMutex);
mutex = &wrapper.mutex();
ASSERT_TRUE(mutex->isLocked());
wrapper->number = 5;
wrapper.runUnlocked([mutex]() {
ASSERT_FALSE(mutex->isLocked());
});
ASSERT_TRUE(mutex->isLocked());
}
ASSERT_FALSE(mutex->isLocked());
{
DataMutex<MyStructure>::LockedWrapper wrapper(myDataMutex);
EXPECT_EQ(wrapper->number, 5);
}
}
TEST(WTF_DataMutex, RunUnlockedIllegalAccessDeathTest)
{
::testing::FLAGS_gtest_death_test_style = "threadsafe";
DataMutex<MyStructure> myDataMutex;
DataMutex<MyStructure>::LockedWrapper wrapper(myDataMutex);
wrapper->number = 5;
ASSERT_DEATH(wrapper.runUnlocked([&]() {
wrapper->number++;
}), "");
}
TEST(WTF_DataMutex, DoubleLockDeathTest)
{
::testing::FLAGS_gtest_death_test_style = "threadsafe";
DataMutex<MyStructure> myDataMutex;
DataMutex<MyStructure>::LockedWrapper wrapper1(myDataMutex);
ASSERT_DEATH(DataMutex<MyStructure>::LockedWrapper wrapper2(myDataMutex), "");
}
} // namespace TestWebKitAPI