comparison: tests/test_compare.c
tests/test_compare.c
- changeset 787
- d0f02310aa47
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| 786:b0ebb3d88407 | 787:d0f02310aa47 |
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| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * | |
| 4 * Copyright 2023 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/test.h" | |
| 30 #include <limits.h> | |
| 31 #include <float.h> | |
| 32 | |
| 33 #include "cx/compare.h" | |
| 34 | |
| 35 #define test_compare_gen_subroutine(T, max_number, signed_type) \ | |
| 36 static CX_TEST_SUBROUTINE( \ | |
| 37 test_sub_cmp_##T, \ | |
| 38 cx_compare_func fnc \ | |
| 39 ) { \ | |
| 40 T m = max_number / 512; \ | |
| 41 T x, y; \ | |
| 42 x = (signed_type ? -3 : 3) * m; \ | |
| 43 y = 5 * m; \ | |
| 44 CX_TEST_ASSERT(fnc(&x, &y) < 0); \ | |
| 45 CX_TEST_ASSERT(fnc(&y, &x) > 0); \ | |
| 46 x = 120 * m; \ | |
| 47 y = 348 * m; \ | |
| 48 CX_TEST_ASSERT(fnc(&x, &y) < 0); \ | |
| 49 CX_TEST_ASSERT(fnc(&y, &x) > 0); \ | |
| 50 if (signed_type) { \ | |
| 51 x = -120 * m; \ | |
| 52 y = -348 * m; \ | |
| 53 CX_TEST_ASSERT(fnc(&x, &y) > 0); \ | |
| 54 CX_TEST_ASSERT(fnc(&y, &x) < 0); \ | |
| 55 } \ | |
| 56 x = y; \ | |
| 57 CX_TEST_ASSERT(fnc(&x, &y) == 0); \ | |
| 58 CX_TEST_ASSERT(fnc(&y, &x) == 0); \ | |
| 59 } | |
| 60 | |
| 61 | |
| 62 // type aliases for types containing space characters | |
| 63 typedef long long cx_longlong; | |
| 64 typedef unsigned long cx_ulong; | |
| 65 typedef unsigned long long cx_ulonglong; | |
| 66 | |
| 67 // generate sub routines depending on the type | |
| 68 test_compare_gen_subroutine(int, INT_MAX, true) | |
| 69 test_compare_gen_subroutine(long, LONG_MAX, true) | |
| 70 test_compare_gen_subroutine(cx_longlong, LLONG_MAX, true) | |
| 71 test_compare_gen_subroutine(int16_t, INT16_MAX, true) | |
| 72 test_compare_gen_subroutine(int32_t, INT32_MAX, true) | |
| 73 test_compare_gen_subroutine(int64_t, INT64_MAX, true) | |
| 74 test_compare_gen_subroutine(unsigned, UINT_MAX, false) | |
| 75 test_compare_gen_subroutine(cx_ulong, ULONG_MAX, false) | |
| 76 test_compare_gen_subroutine(cx_ulonglong, ULLONG_MAX, false) | |
| 77 test_compare_gen_subroutine(uint16_t, UINT16_MAX, false) | |
| 78 test_compare_gen_subroutine(uint32_t, UINT32_MAX, false) | |
| 79 test_compare_gen_subroutine(uint64_t, UINT64_MAX, false) | |
| 80 test_compare_gen_subroutine(float, FLT_MAX, true) | |
| 81 test_compare_gen_subroutine(double, DBL_MAX, true) | |
| 82 test_compare_gen_subroutine(intptr_t, INTPTR_MAX, true) | |
| 83 test_compare_gen_subroutine(uintptr_t, UINTPTR_MAX, false) | |
| 84 | |
| 85 CX_TEST(test_compare_int) { | |
| 86 CX_TEST_DO CX_TEST_CALL_SUBROUTINE(test_sub_cmp_int, cx_cmp_int); | |
| 87 } | |
| 88 | |
| 89 CX_TEST(test_compare_long) { | |
| 90 CX_TEST_DO CX_TEST_CALL_SUBROUTINE(test_sub_cmp_long, cx_cmp_longint); | |
| 91 } | |
| 92 | |
| 93 CX_TEST(test_compare_longlong) { | |
| 94 CX_TEST_DO CX_TEST_CALL_SUBROUTINE(test_sub_cmp_cx_longlong, cx_cmp_longlong); | |
| 95 } | |
| 96 | |
| 97 CX_TEST(test_compare_int16_t) { | |
| 98 CX_TEST_DO CX_TEST_CALL_SUBROUTINE(test_sub_cmp_int16_t, cx_cmp_int16); | |
| 99 } | |
| 100 | |
| 101 CX_TEST(test_compare_int32_t) { | |
| 102 CX_TEST_DO CX_TEST_CALL_SUBROUTINE(test_sub_cmp_int32_t, cx_cmp_int32); | |
| 103 } | |
| 104 | |
| 105 CX_TEST(test_compare_int64_t) { | |
| 106 CX_TEST_DO CX_TEST_CALL_SUBROUTINE(test_sub_cmp_int64_t, cx_cmp_int64); | |
| 107 } | |
| 108 | |
| 109 CX_TEST(test_compare_unsigned) { | |
| 110 CX_TEST_DO CX_TEST_CALL_SUBROUTINE(test_sub_cmp_unsigned, cx_cmp_uint); | |
| 111 } | |
| 112 | |
| 113 CX_TEST(test_compare_ulong) { | |
| 114 CX_TEST_DO CX_TEST_CALL_SUBROUTINE(test_sub_cmp_cx_ulong, cx_cmp_ulongint); | |
| 115 } | |
| 116 | |
| 117 CX_TEST(test_compare_ulonglong) { | |
| 118 CX_TEST_DO CX_TEST_CALL_SUBROUTINE(test_sub_cmp_cx_ulonglong, cx_cmp_ulonglong); | |
| 119 } | |
| 120 | |
| 121 CX_TEST(test_compare_uint16_t) { | |
| 122 CX_TEST_DO CX_TEST_CALL_SUBROUTINE(test_sub_cmp_uint16_t, cx_cmp_uint16); | |
| 123 } | |
| 124 | |
| 125 CX_TEST(test_compare_uint32_t) { | |
| 126 CX_TEST_DO CX_TEST_CALL_SUBROUTINE(test_sub_cmp_uint32_t, cx_cmp_uint32); | |
| 127 } | |
| 128 | |
| 129 CX_TEST(test_compare_uint64_t) { | |
| 130 CX_TEST_DO CX_TEST_CALL_SUBROUTINE(test_sub_cmp_uint64_t, cx_cmp_uint64); | |
| 131 } | |
| 132 | |
| 133 CX_TEST(test_compare_float) { | |
| 134 CX_TEST_DO CX_TEST_CALL_SUBROUTINE(test_sub_cmp_float, cx_cmp_float); | |
| 135 } | |
| 136 | |
| 137 CX_TEST(test_compare_double) { | |
| 138 CX_TEST_DO CX_TEST_CALL_SUBROUTINE(test_sub_cmp_double, cx_cmp_double); | |
| 139 } | |
| 140 | |
| 141 CX_TEST(test_compare_intptr_t) { | |
| 142 CX_TEST_DO CX_TEST_CALL_SUBROUTINE(test_sub_cmp_intptr_t, cx_cmp_intptr); | |
| 143 } | |
| 144 | |
| 145 CX_TEST(test_compare_uintptr_t) { | |
| 146 CX_TEST_DO CX_TEST_CALL_SUBROUTINE(test_sub_cmp_uintptr_t, cx_cmp_uintptr); | |
| 147 } | |
| 148 | |
| 149 CX_TEST(test_compare_ptr) { | |
| 150 int data[3]; | |
| 151 CX_TEST_DO { | |
| 152 CX_TEST_ASSERT(0 == cx_cmp_ptr(data, data)); | |
| 153 CX_TEST_ASSERT(-1 == cx_cmp_ptr(&data[0], &data[1])); | |
| 154 CX_TEST_ASSERT(-1 == cx_cmp_ptr(&data[1], &data[2])); | |
| 155 CX_TEST_ASSERT(1 == cx_cmp_ptr(&data[2], &data[1])); | |
| 156 CX_TEST_ASSERT(1 == cx_cmp_ptr(&data[1], data)); | |
| 157 CX_TEST_ASSERT(0 == cx_cmp_ptr(&data[1], &data[1])); | |
| 158 } | |
| 159 } | |
| 160 | |
| 161 CxTestSuite *cx_test_suite_compare(void) { | |
| 162 CxTestSuite *suite = cx_test_suite_new("compare"); | |
| 163 | |
| 164 cx_test_register(suite, test_compare_int); | |
| 165 cx_test_register(suite, test_compare_long); | |
| 166 cx_test_register(suite, test_compare_longlong); | |
| 167 cx_test_register(suite, test_compare_int16_t); | |
| 168 cx_test_register(suite, test_compare_int32_t); | |
| 169 cx_test_register(suite, test_compare_int64_t); | |
| 170 cx_test_register(suite, test_compare_unsigned); | |
| 171 cx_test_register(suite, test_compare_ulong); | |
| 172 cx_test_register(suite, test_compare_ulonglong); | |
| 173 cx_test_register(suite, test_compare_uint16_t); | |
| 174 cx_test_register(suite, test_compare_uint32_t); | |
| 175 cx_test_register(suite, test_compare_uint64_t); | |
| 176 cx_test_register(suite, test_compare_float); | |
| 177 cx_test_register(suite, test_compare_double); | |
| 178 cx_test_register(suite, test_compare_intptr_t); | |
| 179 cx_test_register(suite, test_compare_uintptr_t); | |
| 180 cx_test_register(suite, test_compare_ptr); | |
| 181 | |
| 182 return suite; | |
| 183 } |
