/* * 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 namespace WTF { // Test CrossThreadCopier using COMPILE_ASSERT. // Verify that ThreadSafeRefCounted objects get handled correctly. class CopierThreadSafeRefCountedTest : public ThreadSafeRefCounted { }; COMPILE_ASSERT((std::is_same< RefPtr, CrossThreadCopier>::Type >::value), RefPtrTest); COMPILE_ASSERT((std::is_same< RefPtr, CrossThreadCopier::Type >::value), RawPointerTest); // Add specializations for RefCounted types which will let us verify that no other template matches. template struct CrossThreadCopierBase> { typedef int Type; }; template struct CrossThreadCopierBase { typedef int Type; }; // Verify that RefCounted objects only match the above templates which expose Type as int. class CopierRefCountedTest : public RefCounted { }; static_assert((std::is_same>::Type>::value), "CrossThreadCopier specialization improperly applied to RefPtr<> of a RefCounted (but not ThreadSafeRefCounted) type"); static_assert((std::is_same::Type>::value), "CrossThreadCopier specialization improperly applied to raw pointer of a RefCounted (but not ThreadSafeRefCounted) type"); } // namespace WTF