1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 29 // MARKER(update_precomp.py): autogen include statement, do not remove 30 #include "precompiled_sal.hxx" 31 // autogenerated file with codegen.pl 32 33 #include <testshl/simpleheader.hxx> 34 #include <rtl/crc.h> 35 36 namespace rtl_CRC32 37 { 38 39 class test : public CppUnit::TestFixture 40 { 41 public: 42 // initialise your test code values here. 43 void setUp() 44 { 45 } 46 47 void tearDown() 48 { 49 } 50 51 52 // insert your test code here. 53 void rtl_crc32_001() 54 { 55 // this is demonstration code 56 // CPPUNIT_ASSERT_MESSAGE("a message", 1 == 1); 57 58 sal_uInt32 nCRC = 0; 59 60 char buf[] = {0}; 61 int num = 0; 62 63 nCRC = rtl_crc32(nCRC, buf, num); 64 65 CPPUNIT_ASSERT_MESSAGE("empty crc buffer", nCRC == 0); 66 } 67 68 void rtl_crc32_002() 69 { 70 sal_uInt32 nCRC = 0; 71 72 char buf[] = {0,0}; 73 int num = sizeof(buf); 74 75 nCRC = rtl_crc32(nCRC, buf, num); 76 77 CPPUNIT_ASSERT_MESSAGE("buffer contain 2 empty bytes, crc is zero", nCRC != 0); 78 } 79 80 void rtl_crc32_002_1() 81 { 82 sal_uInt32 nCRC = 0; 83 84 char buf[] = {0,0,0}; 85 int num = sizeof(buf); 86 87 nCRC = rtl_crc32(nCRC, buf, num); 88 89 CPPUNIT_ASSERT_MESSAGE("buffer contain 3 empty bytes, crc is zero", nCRC != 0); 90 } 91 92 /** 93 * crc32 check: 94 * Build checksum on two buffers with same size but different content, 95 * the result (crc32 checksum) must differ 96 */ 97 98 void rtl_crc32_003() 99 { 100 sal_uInt32 nCRC1 = 0; 101 char buf1[] = {2}; 102 int num1 = sizeof(buf1); 103 104 nCRC1 = rtl_crc32(nCRC1, buf1, num1); 105 106 sal_uInt32 nCRC2 = 0; 107 char buf2[] = {3}; 108 int num2 = sizeof(buf2); 109 110 nCRC2 = rtl_crc32(nCRC2, buf2, num2); 111 112 CPPUNIT_ASSERT_MESSAGE("checksum should differ for buf1 and buf2", nCRC1 != nCRC2); 113 } 114 115 /** check if the crc32 only use as much values, as given 116 * 117 */ 118 void rtl_crc32_003_1() 119 { 120 sal_uInt32 nCRC1 = 0; 121 char buf1[] = {2,1}; 122 int num1 = sizeof(buf1) - 1; 123 124 nCRC1 = rtl_crc32(nCRC1, buf1, num1); 125 126 sal_uInt32 nCRC2 = 0; 127 char buf2[] = {2,2}; 128 int num2 = sizeof(buf2) - 1; 129 130 nCRC2 = rtl_crc32(nCRC2, buf2, num2); 131 132 CPPUNIT_ASSERT_MESSAGE("checksum leave it's bounds", nCRC1 == nCRC2); 133 } 134 135 /** check if the crc32 differ at same content in reverse order 136 * 137 */ 138 void rtl_crc32_003_2() 139 { 140 sal_uInt32 nCRC1 = 0; 141 char buf1[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20}; 142 int num1 = sizeof(buf1); 143 144 nCRC1 = rtl_crc32(nCRC1, buf1, num1); 145 146 sal_uInt32 nCRC2 = 0; 147 char buf2[] = {20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}; 148 int num2 = sizeof(buf2); 149 150 nCRC2 = rtl_crc32(nCRC2, buf2, num2); 151 152 CPPUNIT_ASSERT_MESSAGE("checksum should differ", nCRC1 != nCRC2); 153 } 154 155 156 157 // Change the following lines only, if you add, remove or rename 158 // member functions of the current class, 159 // because these macros are need by auto register mechanism. 160 161 CPPUNIT_TEST_SUITE(test); 162 CPPUNIT_TEST(rtl_crc32_001); 163 CPPUNIT_TEST(rtl_crc32_002); 164 CPPUNIT_TEST(rtl_crc32_002_1); 165 CPPUNIT_TEST(rtl_crc32_003); 166 CPPUNIT_TEST(rtl_crc32_003_1); 167 CPPUNIT_TEST(rtl_crc32_003_2); 168 CPPUNIT_TEST_SUITE_END(); 169 }; // class test 170 171 // ----------------------------------------------------------------------------- 172 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(rtl_CRC32::test, "rtl_crc32"); 173 } // namespace rtl_CRC32 174 175 176 // ----------------------------------------------------------------------------- 177 178 // this macro creates an empty function, which will called by the RegisterAllFunctions() 179 // to let the user the possibility to also register some functions by hand. 180 NOADDITIONAL; 181 182