1/* 2 * Copyright (C) 2014 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#ifndef TestingPlatformSupport_h 32#define TestingPlatformSupport_h 33 34#include "public/platform/Platform.h" 35#include "public/platform/WebDiscardableMemory.h" 36#include "wtf/Vector.h" 37 38namespace blink { 39 40class TestingDiscardableMemory : public WebDiscardableMemory { 41public: 42 explicit TestingDiscardableMemory(size_t); 43 virtual ~TestingDiscardableMemory(); 44 45 // WebDiscardableMemory: 46 virtual bool lock() OVERRIDE; 47 virtual void* data() OVERRIDE; 48 virtual void unlock() OVERRIDE; 49 50private: 51 Vector<char> m_data; 52 bool m_isLocked; 53}; 54 55class TestingPlatformSupport : public Platform { 56public: 57 struct Config { 58 Config() : hasDiscardableMemorySupport(false) { } 59 60 bool hasDiscardableMemorySupport; 61 }; 62 63 explicit TestingPlatformSupport(const Config&); 64 65 virtual ~TestingPlatformSupport(); 66 67 // Platform: 68 virtual WebDiscardableMemory* allocateAndLockDiscardableMemory(size_t bytes) OVERRIDE; 69 virtual void cryptographicallyRandomValues(unsigned char* buffer, size_t length) OVERRIDE; 70 virtual const unsigned char* getTraceCategoryEnabledFlag(const char* categoryName) OVERRIDE; 71 72private: 73 const Config m_config; 74 Platform* const m_oldPlatform; 75}; 76 77} // namespace blink 78 79#endif // TestingPlatformSupport_h 80