/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #include #include #include #include namespace rtl_CRC32 { class test : public CppUnit::TestFixture { public: // insert your test code here. void rtl_crc32_001() { // this is demonstration code // CPPUNIT_ASSERT_MESSAGE("a message", 1 == 1); sal_uInt32 nCRC = 0; char buf[] = {0}; int num = 0; nCRC = rtl_crc32(nCRC, buf, num); CPPUNIT_ASSERT_EQUAL_MESSAGE("empty crc buffer", static_cast(0), nCRC); } void rtl_crc32_002() { sal_uInt32 nCRC = 0; char buf[] = {0,0}; int num = sizeof(buf); nCRC = rtl_crc32(nCRC, buf, num); CPPUNIT_ASSERT_MESSAGE("buffer contain 2 empty bytes, crc is zero", nCRC != 0); } void rtl_crc32_002_1() { sal_uInt32 nCRC = 0; char buf[] = {0,0,0}; int num = sizeof(buf); nCRC = rtl_crc32(nCRC, buf, num); CPPUNIT_ASSERT_MESSAGE("buffer contain 3 empty bytes, crc is zero", nCRC != 0); } /** * crc32 check: * Build checksum on two buffers with same size but different content, * the result (crc32 checksum) must differ */ void rtl_crc32_003() { sal_uInt32 nCRC1 = 0; char buf1[] = {2}; int num1 = sizeof(buf1); nCRC1 = rtl_crc32(nCRC1, buf1, num1); sal_uInt32 nCRC2 = 0; char buf2[] = {3}; int num2 = sizeof(buf2); nCRC2 = rtl_crc32(nCRC2, buf2, num2); CPPUNIT_ASSERT_MESSAGE("checksum should differ for buf1 and buf2", nCRC1 != nCRC2); } /** check if the crc32 only use as much values, as given * */ void rtl_crc32_003_1() { sal_uInt32 nCRC1 = 0; char buf1[] = {2,1}; int num1 = sizeof(buf1) - 1; nCRC1 = rtl_crc32(nCRC1, buf1, num1); sal_uInt32 nCRC2 = 0; char buf2[] = {2,2}; int num2 = sizeof(buf2) - 1; nCRC2 = rtl_crc32(nCRC2, buf2, num2); CPPUNIT_ASSERT_EQUAL_MESSAGE("checksum leave it's bounds", nCRC2, nCRC1); } /** check if the crc32 differ at same content in reverse order * */ void rtl_crc32_003_2() { sal_uInt32 nCRC1 = 0; char buf1[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20}; int num1 = sizeof(buf1); nCRC1 = rtl_crc32(nCRC1, buf1, num1); sal_uInt32 nCRC2 = 0; char buf2[] = {20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}; int num2 = sizeof(buf2); nCRC2 = rtl_crc32(nCRC2, buf2, num2); CPPUNIT_ASSERT_MESSAGE("checksum should differ", nCRC1 != nCRC2); } // Change the following lines only, if you add, remove or rename // member functions of the current class, // because these macros are need by auto register mechanism. CPPUNIT_TEST_SUITE(test); CPPUNIT_TEST(rtl_crc32_001); CPPUNIT_TEST(rtl_crc32_002); CPPUNIT_TEST(rtl_crc32_002_1); CPPUNIT_TEST(rtl_crc32_003); CPPUNIT_TEST(rtl_crc32_003_1); CPPUNIT_TEST(rtl_crc32_003_2); CPPUNIT_TEST_SUITE_END(); }; // class test CPPUNIT_TEST_SUITE_REGISTRATION(rtl_CRC32::test); } // namespace rtl_CRC32 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ ption value='distro/collabora/cp-6.0-29'>distro/collabora/cp-6.0-29 LibreOffice 核心代码仓库文档基金会
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