comparison: tests/test_utils.cpp
tests/test_utils.cpp
- changeset 767
- d31f4d4075dc
- parent 674
- dc514a5d42a5
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| 766:e59b76889f00 | 767:d31f4d4075dc |
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| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. | |
| 5 * | |
| 6 * Redistribution and use in source and binary forms, with or without | |
| 7 * modification, are permitted provided that the following conditions are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer. | |
| 11 * | |
| 12 * 2. Redistributions in binary form must reproduce the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer in the | |
| 14 * documentation and/or other materials provided with the distribution. | |
| 15 * | |
| 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 26 * POSSIBILITY OF SUCH DAMAGE. | |
| 27 */ | |
| 28 | |
| 29 #include "cx/utils.h" | |
| 30 | |
| 31 #include "cx/buffer.h" | |
| 32 | |
| 33 #include <gtest/gtest.h> | |
| 34 | |
| 35 TEST(Utils, cx_stream_bncopy) { | |
| 36 CxBuffer source, target; | |
| 37 char sbuf[32], tbuf[32]; | |
| 38 memset(tbuf, 0, 32); | |
| 39 cxBufferInit(&source, sbuf, 32, nullptr, 0); | |
| 40 cxBufferInit(&target, tbuf, 32, nullptr, 0); | |
| 41 cxBufferPutString(&source, "This is a stream copy test."); | |
| 42 cxBufferSeek(&source, 0, SEEK_SET); | |
| 43 | |
| 44 char tmp[4]; | |
| 45 size_t result = cx_stream_bncopy(&source, &target, | |
| 46 (cx_read_func) cxBufferRead, | |
| 47 (cx_write_func) cxBufferWrite, | |
| 48 tmp, 4, 20); | |
| 49 EXPECT_EQ(20, result); | |
| 50 EXPECT_EQ(20, target.size); | |
| 51 EXPECT_STREQ("This is a stream cop\0", tbuf); | |
| 52 | |
| 53 result = cx_stream_bcopy(&source, &target, | |
| 54 (cx_read_func) cxBufferRead, | |
| 55 (cx_write_func) cxBufferWrite, | |
| 56 nullptr, 16); | |
| 57 | |
| 58 EXPECT_EQ(7, result); | |
| 59 EXPECT_EQ(27, target.size); | |
| 60 EXPECT_STREQ("This is a stream copy test.\0", tbuf); | |
| 61 | |
| 62 cxBufferDestroy(&source); | |
| 63 cxBufferDestroy(&target); | |
| 64 } | |
| 65 | |
| 66 TEST(Utils, cx_stream_ncopy) { | |
| 67 CxBuffer source, target; | |
| 68 char sbuf[32], tbuf[32]; | |
| 69 memset(tbuf, 0, 32); | |
| 70 cxBufferInit(&source, sbuf, 32, nullptr, 0); | |
| 71 cxBufferInit(&target, tbuf, 32, nullptr, 0); | |
| 72 cxBufferPutString(&source, "This is a stream copy test."); | |
| 73 cxBufferSeek(&source, 0, SEEK_SET); | |
| 74 | |
| 75 size_t result = cx_stream_ncopy(&source, &target, | |
| 76 (cx_read_func) cxBufferRead, | |
| 77 (cx_write_func) cxBufferWrite, | |
| 78 20); | |
| 79 EXPECT_EQ(20, result); | |
| 80 EXPECT_EQ(20, target.size); | |
| 81 EXPECT_STREQ("This is a stream cop\0", tbuf); | |
| 82 | |
| 83 result = cx_stream_copy(&source, &target, | |
| 84 (cx_read_func) cxBufferRead, | |
| 85 (cx_write_func) cxBufferWrite); | |
| 86 | |
| 87 EXPECT_EQ(7, result); | |
| 88 EXPECT_EQ(27, target.size); | |
| 89 EXPECT_STREQ("This is a stream copy test.\0", tbuf); | |
| 90 | |
| 91 cxBufferDestroy(&source); | |
| 92 cxBufferDestroy(&target); | |
| 93 } | |
| 94 | |
| 95 TEST(Utils, ForN) { | |
| 96 unsigned j; | |
| 97 j = 0; | |
| 98 cx_for_n(i, 50) { | |
| 99 EXPECT_EQ(i, j); | |
| 100 j++; | |
| 101 } | |
| 102 } | |
| 103 | |
| 104 TEST(Utils, swap_ptr) { | |
| 105 int i = 5; | |
| 106 int j = 8; | |
| 107 int *ip = &i; | |
| 108 int *jp = &j; | |
| 109 cx_swap_ptr(ip, jp); | |
| 110 EXPECT_EQ(ip, &j); | |
| 111 EXPECT_EQ(jp, &i); | |
| 112 } | |
| 113 | |
| 114 TEST(Utils, szmul) { | |
| 115 size_t r; | |
| 116 int e; | |
| 117 e = cx_szmul(5, 7, &r); | |
| 118 EXPECT_EQ(0, e); | |
| 119 EXPECT_EQ(35, r); | |
| 120 | |
| 121 size_t s = SIZE_MAX & ~3; | |
| 122 | |
| 123 e = cx_szmul(s / 4, 2, &r); | |
| 124 EXPECT_EQ(0, e); | |
| 125 EXPECT_EQ(s / 2, r); | |
| 126 e = cx_szmul(2, s / 4, &r); | |
| 127 EXPECT_EQ(0, e); | |
| 128 EXPECT_EQ(s / 2, r); | |
| 129 | |
| 130 e = cx_szmul(s / 4, 4, &r); | |
| 131 EXPECT_EQ(0, e); | |
| 132 EXPECT_EQ(s, r); | |
| 133 | |
| 134 e = cx_szmul(4, s / 4, &r); | |
| 135 EXPECT_EQ(0, e); | |
| 136 EXPECT_EQ(s, r); | |
| 137 | |
| 138 e = cx_szmul(s / 4, 5, &r); | |
| 139 EXPECT_NE(0, e); | |
| 140 | |
| 141 e = cx_szmul(5, s / 4, &r); | |
| 142 EXPECT_NE(0, e); | |
| 143 | |
| 144 e = cx_szmul(SIZE_MAX - 4, 0, &r); | |
| 145 EXPECT_EQ(0, e); | |
| 146 EXPECT_EQ(0, r); | |
| 147 | |
| 148 e = cx_szmul(0, SIZE_MAX - 1, &r); | |
| 149 EXPECT_EQ(0, e); | |
| 150 EXPECT_EQ(0, r); | |
| 151 | |
| 152 e = cx_szmul(SIZE_MAX, 0, &r); | |
| 153 EXPECT_EQ(0, e); | |
| 154 EXPECT_EQ(0, r); | |
| 155 | |
| 156 e = cx_szmul(0, SIZE_MAX, &r); | |
| 157 EXPECT_EQ(0, e); | |
| 158 EXPECT_EQ(0, r); | |
| 159 | |
| 160 e = cx_szmul(0, 0, &r); | |
| 161 EXPECT_EQ(0, e); | |
| 162 EXPECT_EQ(0, r); | |
| 163 } | |
| 164 | |
| 165 #ifdef CX_SZMUL_BUILTIN | |
| 166 | |
| 167 // also test the custom implementation | |
| 168 struct Utils_szmul_impl : ::testing::Test { | |
| 169 #undef CX_SZMUL_BUILTIN | |
| 170 | |
| 171 #include "../src/szmul.c" | |
| 172 | |
| 173 #define CX_SZMUL_BUILTIN | |
| 174 }; | |
| 175 | |
| 176 TEST_F(Utils_szmul_impl, Test) { | |
| 177 size_t r; | |
| 178 int e; | |
| 179 e = cx_szmul_impl(5, 7, &r); | |
| 180 EXPECT_EQ(0, e); | |
| 181 EXPECT_EQ(35, r); | |
| 182 | |
| 183 size_t s = SIZE_MAX & ~3; | |
| 184 | |
| 185 e = cx_szmul_impl(s / 4, 2, &r); | |
| 186 EXPECT_EQ(0, e); | |
| 187 EXPECT_EQ(s / 2, r); | |
| 188 e = cx_szmul_impl(2, s / 4, &r); | |
| 189 EXPECT_EQ(0, e); | |
| 190 EXPECT_EQ(s / 2, r); | |
| 191 | |
| 192 e = cx_szmul_impl(s / 4, 4, &r); | |
| 193 EXPECT_EQ(0, e); | |
| 194 EXPECT_EQ(s, r); | |
| 195 | |
| 196 e = cx_szmul_impl(4, s / 4, &r); | |
| 197 EXPECT_EQ(0, e); | |
| 198 EXPECT_EQ(s, r); | |
| 199 | |
| 200 e = cx_szmul_impl(s / 4, 5, &r); | |
| 201 EXPECT_NE(0, e); | |
| 202 | |
| 203 e = cx_szmul_impl(5, s / 4, &r); | |
| 204 EXPECT_NE(0, e); | |
| 205 | |
| 206 e = cx_szmul_impl(SIZE_MAX - 4, 0, &r); | |
| 207 EXPECT_EQ(0, e); | |
| 208 EXPECT_EQ(0, r); | |
| 209 | |
| 210 e = cx_szmul_impl(0, SIZE_MAX - 1, &r); | |
| 211 EXPECT_EQ(0, e); | |
| 212 EXPECT_EQ(0, r); | |
| 213 | |
| 214 e = cx_szmul_impl(SIZE_MAX, 0, &r); | |
| 215 EXPECT_EQ(0, e); | |
| 216 EXPECT_EQ(0, r); | |
| 217 | |
| 218 e = cx_szmul_impl(0, SIZE_MAX, &r); | |
| 219 EXPECT_EQ(0, e); | |
| 220 EXPECT_EQ(0, r); | |
| 221 | |
| 222 e = cx_szmul_impl(0, 0, &r); | |
| 223 EXPECT_EQ(0, e); | |
| 224 EXPECT_EQ(0, r); | |
| 225 } | |
| 226 | |
| 227 #endif // CX_SZMUL_BUILTIN |
