tests/test_compare.cpp

Fri, 21 Apr 2023 18:38:18 +0200

author
Mike Becker <universe@uap-core.de>
date
Fri, 21 Apr 2023 18:38:18 +0200
changeset 690
2c2304622981
parent 653
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child 762
4523f6d42512
permissions
-rw-r--r--

simplify CxHashKey

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2022 Mike Becker, Olaf Wintermann All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include "cx/compare.h"
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30
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31 #include <gtest/gtest.h>
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32
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33 template<typename T>
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34 static void test_compare(
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35 int (*fnc)(
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36 void const *,
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37 void const *
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38 )
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39 ) {
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40 auto m = std::numeric_limits<T>::max() / 400;
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41 T x, y;
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42
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43 x = (std::is_signed_v<T> ? -3 : 3) * m;
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44 y = 5 * m;
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45 EXPECT_LT(fnc(&x, &y), 0);
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46 EXPECT_GT(fnc(&y, &x), 0);
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47
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48 x = 120 * m;
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49 y = 348 * m;
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50 EXPECT_LT(fnc(&x, &y), 0);
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51 EXPECT_GT(fnc(&y, &x), 0);
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52
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53 if constexpr (std::is_signed_v<T>) {
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54 x = -120 * m;
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55 y = -348 * m;
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56 EXPECT_GT(fnc(&x, &y), 0);
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57 EXPECT_LT(fnc(&y, &x), 0);
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58 }
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59
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60 x = y;
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61 EXPECT_EQ(fnc(&x, &y), 0);
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62 EXPECT_EQ(fnc(&y, &x), 0);
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63 }
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64
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65 TEST(Compare, Int) {
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66 test_compare<int>(cx_cmp_int);
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67 }
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68
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69 TEST(Compare, Longint) {
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70 test_compare<long int>(cx_cmp_longint);
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71 }
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72
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73 TEST(Compare, Longlong) {
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74 test_compare<long long>(cx_cmp_longlong);
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75 }
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76
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77 TEST(Compare, Int16) {
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78 test_compare<int16_t>(cx_cmp_int16);
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79 }
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80
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81 TEST(Compare, Int32) {
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82 test_compare<int32_t>(cx_cmp_int32);
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83 }
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84
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85 TEST(Compare, Int64) {
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86 test_compare<int64_t>(cx_cmp_int64);
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87 }
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88
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89 TEST(Compare, Uint) {
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90 test_compare<unsigned int>(cx_cmp_uint);
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91 }
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92
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93 TEST(Compare, Ulongint) {
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94 test_compare<unsigned long int>(cx_cmp_ulongint);
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95 }
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96
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97 TEST(Compare, Ulonglong) {
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98 test_compare<unsigned long long>(cx_cmp_ulonglong);
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99 }
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100
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101 TEST(Compare, Uint16) {
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102 test_compare<uint16_t>(cx_cmp_uint16);
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103 }
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104
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105 TEST(Compare, Uint32) {
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106 test_compare<uint32_t>(cx_cmp_uint32);
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107 }
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108
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109 TEST(Compare, Uint64) {
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110 test_compare<uint64_t>(cx_cmp_uint64);
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111 }
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112
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113 TEST(Compare, Float) {
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114 test_compare<float>(cx_cmp_float);
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115 }
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116
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117 TEST(Compare, Double) {
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118 test_compare<double>(cx_cmp_double);
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119 }
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120
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121 TEST(Compare, IntPtr) {
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122 test_compare<intptr_t>(cx_cmp_intptr);
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123 }
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124
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125 TEST(Compare, UintPtr) {
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126 test_compare<uintptr_t>(cx_cmp_uintptr);
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127 }

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