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/*
* Copyright (C) 2014-2021 Apple Inc. All rights reserved.
*
* 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"
#include <wtf/OSObjectPtr.h>
#include <CoreFoundation/CoreFoundation.h>
#include <dispatch/dispatch.h>
#if __has_feature(objc_arc) && !defined(NDEBUG)
// Debug builds with ARC enabled cause objects to be autoreleased
// when assigning adoptNS() result to a different RetainPtr<> type,
// and when calling RetainPtr<>::get().
#define AUTORELEASEPOOL_FOR_ARC_DEBUG @autoreleasepool
#else
#define AUTORELEASEPOOL_FOR_ARC_DEBUG
#endif
#ifndef OS_OBJECT_PTR_TEST_NAME
#define OS_OBJECT_PTR_TEST_NAME OSObjectPtr
#endif
namespace TestWebKitAPI {
TEST(OS_OBJECT_PTR_TEST_NAME, AdoptOSObject)
{
OSObjectPtr<dispatch_queue_t> foo = adoptOSObject(dispatch_queue_create(0, DISPATCH_QUEUE_SERIAL));
uintptr_t fooPtr;
AUTORELEASEPOOL_FOR_ARC_DEBUG {
fooPtr = reinterpret_cast<uintptr_t>(foo.get());
}
EXPECT_EQ(1, CFGetRetainCount((CFTypeRef)fooPtr));
}
TEST(OS_OBJECT_PTR_TEST_NAME, RetainRelease)
{
dispatch_queue_t foo = dispatch_queue_create(0, DISPATCH_QUEUE_SERIAL);
auto fooPtr = reinterpret_cast<uintptr_t>(foo);
EXPECT_EQ(1, CFGetRetainCount((CFTypeRef)fooPtr));
WTF::retainOSObject(foo); // Does nothing under ARC.
#if __has_feature(objc_arc)
EXPECT_EQ(1, CFGetRetainCount((CFTypeRef)fooPtr));
#else
EXPECT_EQ(2, CFGetRetainCount((CFTypeRef)fooPtr));
#endif
WTF::releaseOSObject(foo); // Does nothing under ARC.
EXPECT_EQ(1, CFGetRetainCount((CFTypeRef)fooPtr));
WTF::releaseOSObject(foo); // Balance dispatch_queue_create() without ARC.
}
TEST(OS_OBJECT_PTR_TEST_NAME, LeakRef)
{
OSObjectPtr<dispatch_queue_t> foo = adoptOSObject(dispatch_queue_create(0, DISPATCH_QUEUE_SERIAL));
uintptr_t fooPtr;
AUTORELEASEPOOL_FOR_ARC_DEBUG {
fooPtr = reinterpret_cast<uintptr_t>(foo.get());
}
EXPECT_EQ(1, CFGetRetainCount((CFTypeRef)fooPtr));
dispatch_queue_t queue;
AUTORELEASEPOOL_FOR_ARC_DEBUG {
queue = foo.leakRef();
}
EXPECT_EQ(nullptr, foo.get());
EXPECT_EQ(1, CFGetRetainCount((CFTypeRef)fooPtr));
WTF::releaseOSObject(queue);
}
} // namespace TestWebKitAPI
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