blob: fd272bca445b4cc80108ed1711231bdebdbd0576 [file] [log] [blame]
/*
* Copyright (C) 2009 Google Inc. All rights reserved.
* Copyright (C) 2011-2016 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:
*
* * 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 "config.h"
#include <wtf/CrossThreadCopier.h>
#include <wtf/CrossThreadTask.h>
namespace WTF {
// Test CrossThreadCopier using COMPILE_ASSERT.
// Verify that ThreadSafeRefCounted objects get handled correctly.
class CopierThreadSafeRefCountedTest : public ThreadSafeRefCounted<CopierThreadSafeRefCountedTest> {
};
COMPILE_ASSERT((std::is_same<
RefPtr<CopierThreadSafeRefCountedTest>,
CrossThreadCopier<RefPtr<CopierThreadSafeRefCountedTest>>::Type
>::value),
RefPtrTest);
COMPILE_ASSERT((std::is_same<
RefPtr<CopierThreadSafeRefCountedTest>,
CrossThreadCopier<CopierThreadSafeRefCountedTest*>::Type
>::value),
RawPointerTest);
// Add specializations for RefCounted types which will let us verify that no other template matches.
template<typename T> struct CrossThreadCopierBase<false, false, RefPtr<T>> {
typedef int Type;
};
template<typename T> struct CrossThreadCopierBase<false, false, T*> {
typedef int Type;
};
// Verify that RefCounted objects only match the above templates which expose Type as int.
class CopierRefCountedTest : public RefCounted<CopierRefCountedTest> {
};
static_assert((std::is_same<int, CrossThreadCopier<RefPtr<CopierRefCountedTest>>::Type>::value), "CrossThreadCopier specialization improperly applied to RefPtr<> of a RefCounted (but not ThreadSafeRefCounted) type");
static_assert((std::is_same<int, CrossThreadCopier<CopierRefCountedTest*>::Type>::value), "CrossThreadCopier specialization improperly applied to raw pointer of a RefCounted (but not ThreadSafeRefCounted) type");
} // namespace WTF