1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 25 // MARKER(update_precomp.py): autogen include statement, do not remove 26 #include "precompiled_sal.hxx" 27 // autogenerated file with codegen.pl 28 29 #include <testshl/simpleheader.hxx> 30 #include <rtl/crc.h> 31 32 namespace rtl_CRC32 33 { 34 35 class test : public CppUnit::TestFixture 36 { 37 public: 38 // initialise your test code values here. 39 void setUp() 40 { 41 } 42 43 void tearDown() 44 { 45 } 46 47 48 // insert your test code here. 49 void rtl_crc32_001() 50 { 51 // this is demonstration code 52 // CPPUNIT_ASSERT_MESSAGE("a message", 1 == 1); 53 54 sal_uInt32 nCRC = 0; 55 56 char buf[] = {0}; 57 int num = 0; 58 59 nCRC = rtl_crc32(nCRC, buf, num); 60 61 CPPUNIT_ASSERT_MESSAGE("empty crc buffer", nCRC == 0); 62 } 63 64 void rtl_crc32_002() 65 { 66 sal_uInt32 nCRC = 0; 67 68 char buf[] = {0,0}; 69 int num = sizeof(buf); 70 71 nCRC = rtl_crc32(nCRC, buf, num); 72 73 CPPUNIT_ASSERT_MESSAGE("buffer contain 2 empty bytes, crc is zero", nCRC != 0); 74 } 75 76 void rtl_crc32_002_1() 77 { 78 sal_uInt32 nCRC = 0; 79 80 char buf[] = {0,0,0}; 81 int num = sizeof(buf); 82 83 nCRC = rtl_crc32(nCRC, buf, num); 84 85 CPPUNIT_ASSERT_MESSAGE("buffer contain 3 empty bytes, crc is zero", nCRC != 0); 86 } 87 88 /** 89 * crc32 check: 90 * Build checksum on two buffers with same size but different content, 91 * the result (crc32 checksum) must differ 92 */ 93 94 void rtl_crc32_003() 95 { 96 sal_uInt32 nCRC1 = 0; 97 char buf1[] = {2}; 98 int num1 = sizeof(buf1); 99 100 nCRC1 = rtl_crc32(nCRC1, buf1, num1); 101 102 sal_uInt32 nCRC2 = 0; 103 char buf2[] = {3}; 104 int num2 = sizeof(buf2); 105 106 nCRC2 = rtl_crc32(nCRC2, buf2, num2); 107 108 CPPUNIT_ASSERT_MESSAGE("checksum should differ for buf1 and buf2", nCRC1 != nCRC2); 109 } 110 111 /** check if the crc32 only use as much values, as given 112 * 113 */ 114 void rtl_crc32_003_1() 115 { 116 sal_uInt32 nCRC1 = 0; 117 char buf1[] = {2,1}; 118 int num1 = sizeof(buf1) - 1; 119 120 nCRC1 = rtl_crc32(nCRC1, buf1, num1); 121 122 sal_uInt32 nCRC2 = 0; 123 char buf2[] = {2,2}; 124 int num2 = sizeof(buf2) - 1; 125 126 nCRC2 = rtl_crc32(nCRC2, buf2, num2); 127 128 CPPUNIT_ASSERT_MESSAGE("checksum leave it's bounds", nCRC1 == nCRC2); 129 } 130 131 /** check if the crc32 differ at same content in reverse order 132 * 133 */ 134 void rtl_crc32_003_2() 135 { 136 sal_uInt32 nCRC1 = 0; 137 char buf1[] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20}; 138 int num1 = sizeof(buf1); 139 140 nCRC1 = rtl_crc32(nCRC1, buf1, num1); 141 142 sal_uInt32 nCRC2 = 0; 143 char buf2[] = {20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0}; 144 int num2 = sizeof(buf2); 145 146 nCRC2 = rtl_crc32(nCRC2, buf2, num2); 147 148 CPPUNIT_ASSERT_MESSAGE("checksum should differ", nCRC1 != nCRC2); 149 } 150 151 152 153 // Change the following lines only, if you add, remove or rename 154 // member functions of the current class, 155 // because these macros are need by auto register mechanism. 156 157 CPPUNIT_TEST_SUITE(test); 158 CPPUNIT_TEST(rtl_crc32_001); 159 CPPUNIT_TEST(rtl_crc32_002); 160 CPPUNIT_TEST(rtl_crc32_002_1); 161 CPPUNIT_TEST(rtl_crc32_003); 162 CPPUNIT_TEST(rtl_crc32_003_1); 163 CPPUNIT_TEST(rtl_crc32_003_2); 164 CPPUNIT_TEST_SUITE_END(); 165 }; // class test 166 167 // ----------------------------------------------------------------------------- 168 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(rtl_CRC32::test, "rtl_crc32"); 169 } // namespace rtl_CRC32 170 171 172 // ----------------------------------------------------------------------------- 173 174 // this macro creates an empty function, which will called by the RegisterAllFunctions() 175 // to let the user the possibility to also register some functions by hand. 176 NOADDITIONAL; 177 178