1635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project/* 2e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block * Copyright (C) 2010 Google Inc. All rights reserved. 38f72e70a9fd78eec56623b3a62e68f16b7b27e28Feng Qian * 4635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * Redistribution and use in source and binary forms, with or without 5635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * modification, are permitted provided that the following conditions are 6635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * met: 78f72e70a9fd78eec56623b3a62e68f16b7b27e28Feng Qian * 8635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * * Redistributions of source code must retain the above copyright 9635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * notice, this list of conditions and the following disclaimer. 10635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * * Redistributions in binary form must reproduce the above 11635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * copyright notice, this list of conditions and the following disclaimer 12635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * in the documentation and/or other materials provided with the 13635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * distribution. 14635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * * Neither the name of Google Inc. nor the names of its 15635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * contributors may be used to endorse or promote products derived from 16635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * this software without specific prior written permission. 178f72e70a9fd78eec56623b3a62e68f16b7b27e28Feng Qian * 18635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project */ 30635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 31635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project#include "config.h" 32635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 33e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block#include <wtf/Assertions.h> 34e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block#include <wtf/CrossThreadRefCounted.h> 35e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block#include <wtf/OwnPtr.h> 36e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block#include <wtf/PassRefPtr.h> 37e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block#include <wtf/RefCounted.h> 38e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block#include <wtf/RefPtr.h> 39e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block#include <wtf/Vector.h> 40635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 41e78cbe89e6f337f2f1fe40315be88f742b547151Steve Blocknamespace WTF { 42635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project 43e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block#ifndef NDEBUG 44e458d70a0d18538346f41b503114c9ebe6b2ce12Leon Clarkestruct StructWithIntAndTwoBools { int a; bool b; bool c; }; 45e458d70a0d18538346f41b503114c9ebe6b2ce12Leon Clarkestatic const size_t refCountedExtraDebugSize = sizeof(StructWithIntAndTwoBools) - sizeof(int); 46e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block#else 47e78cbe89e6f337f2f1fe40315be88f742b547151Steve Blockstatic const size_t refCountedExtraDebugSize = 0; 48e78cbe89e6f337f2f1fe40315be88f742b547151Steve Block#endif 498f72e70a9fd78eec56623b3a62e68f16b7b27e28Feng Qian 50e78cbe89e6f337f2f1fe40315be88f742b547151Steve BlockCOMPILE_ASSERT(sizeof(OwnPtr<int>) == sizeof(int*), OwnPtr_should_stay_small); 51e78cbe89e6f337f2f1fe40315be88f742b547151Steve BlockCOMPILE_ASSERT(sizeof(PassRefPtr<RefCounted<int> >) == sizeof(int*), PassRefPtr_should_stay_small); 52e78cbe89e6f337f2f1fe40315be88f742b547151Steve BlockCOMPILE_ASSERT(sizeof(RefCounted<int>) == sizeof(int) + refCountedExtraDebugSize, RefCounted_should_stay_small); 53e78cbe89e6f337f2f1fe40315be88f742b547151Steve BlockCOMPILE_ASSERT(sizeof(RefCountedCustomAllocated<int>) == sizeof(int) + refCountedExtraDebugSize, RefCountedCustomAllocated_should_stay_small); 54e78cbe89e6f337f2f1fe40315be88f742b547151Steve BlockCOMPILE_ASSERT(sizeof(RefPtr<RefCounted<int> >) == sizeof(int*), RefPtr_should_stay_small); 55e78cbe89e6f337f2f1fe40315be88f742b547151Steve BlockCOMPILE_ASSERT(sizeof(Vector<int>) == 3 * sizeof(int*), Vector_should_stay_small); 568f72e70a9fd78eec56623b3a62e68f16b7b27e28Feng Qian 57635860845790a19bf50bbc51ba8fb66a96dde068The Android Open Source Project} 58