1.1 --- a/test/test_utils.cpp Wed Feb 08 20:26:09 2023 +0100 1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 1.3 @@ -1,165 +0,0 @@ 1.4 -/* 1.5 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. 1.6 - * 1.7 - * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. 1.8 - * 1.9 - * Redistribution and use in source and binary forms, with or without 1.10 - * modification, are permitted provided that the following conditions are met: 1.11 - * 1.12 - * 1. Redistributions of source code must retain the above copyright 1.13 - * notice, this list of conditions and the following disclaimer. 1.14 - * 1.15 - * 2. Redistributions in binary form must reproduce the above copyright 1.16 - * notice, this list of conditions and the following disclaimer in the 1.17 - * documentation and/or other materials provided with the distribution. 1.18 - * 1.19 - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 1.20 - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1.21 - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1.22 - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 1.23 - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 1.24 - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 1.25 - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 1.26 - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 1.27 - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 1.28 - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 1.29 - * POSSIBILITY OF SUCH DAMAGE. 1.30 - */ 1.31 - 1.32 -#include "cx/utils.h" 1.33 - 1.34 -#include <gtest/gtest.h> 1.35 - 1.36 -TEST(Utils, ForN) { 1.37 - unsigned j; 1.38 - j = 0; 1.39 - cx_for_n(i, 50) { 1.40 - EXPECT_EQ(i, j); 1.41 - j++; 1.42 - } 1.43 -} 1.44 - 1.45 -TEST(Utils, swap_ptr) { 1.46 - int i = 5; 1.47 - int j = 8; 1.48 - int *ip = &i; 1.49 - int *jp = &j; 1.50 - cx_swap_ptr(ip, jp); 1.51 - EXPECT_EQ(ip, &j); 1.52 - EXPECT_EQ(jp, &i); 1.53 -} 1.54 - 1.55 -TEST(Utils, szmul) { 1.56 - size_t r; 1.57 - int e; 1.58 - e = cx_szmul(5, 7, &r); 1.59 - EXPECT_EQ(0, e); 1.60 - EXPECT_EQ(35, r); 1.61 - 1.62 - size_t s = SIZE_MAX & ~3; 1.63 - 1.64 - e = cx_szmul(s / 4, 2, &r); 1.65 - EXPECT_EQ(0, e); 1.66 - EXPECT_EQ(s / 2, r); 1.67 - e = cx_szmul(2, s / 4, &r); 1.68 - EXPECT_EQ(0, e); 1.69 - EXPECT_EQ(s / 2, r); 1.70 - 1.71 - e = cx_szmul(s / 4, 4, &r); 1.72 - EXPECT_EQ(0, e); 1.73 - EXPECT_EQ(s, r); 1.74 - 1.75 - e = cx_szmul(4, s / 4, &r); 1.76 - EXPECT_EQ(0, e); 1.77 - EXPECT_EQ(s, r); 1.78 - 1.79 - e = cx_szmul(s / 4, 5, &r); 1.80 - EXPECT_NE(0, e); 1.81 - 1.82 - e = cx_szmul(5, s / 4, &r); 1.83 - EXPECT_NE(0, e); 1.84 - 1.85 - e = cx_szmul(SIZE_MAX - 4, 0, &r); 1.86 - EXPECT_EQ(0, e); 1.87 - EXPECT_EQ(0, r); 1.88 - 1.89 - e = cx_szmul(0, SIZE_MAX - 1, &r); 1.90 - EXPECT_EQ(0, e); 1.91 - EXPECT_EQ(0, r); 1.92 - 1.93 - e = cx_szmul(SIZE_MAX, 0, &r); 1.94 - EXPECT_EQ(0, e); 1.95 - EXPECT_EQ(0, r); 1.96 - 1.97 - e = cx_szmul(0, SIZE_MAX, &r); 1.98 - EXPECT_EQ(0, e); 1.99 - EXPECT_EQ(0, r); 1.100 - 1.101 - e = cx_szmul(0, 0, &r); 1.102 - EXPECT_EQ(0, e); 1.103 - EXPECT_EQ(0, r); 1.104 -} 1.105 - 1.106 -#ifdef CX_SZMUL_BUILTIN 1.107 - 1.108 -// also test the custom implementation 1.109 -struct Utils_szmul_impl : ::testing::Test { 1.110 -#undef CX_SZMUL_BUILTIN 1.111 - 1.112 -#include "../src/utils.c" 1.113 - 1.114 -#define CX_SZMUL_BUILTIN 1.115 -}; 1.116 - 1.117 -TEST_F(Utils_szmul_impl, Test) { 1.118 - size_t r; 1.119 - int e; 1.120 - e = cx_szmul_impl(5, 7, &r); 1.121 - EXPECT_EQ(0, e); 1.122 - EXPECT_EQ(35, r); 1.123 - 1.124 - size_t s = SIZE_MAX & ~3; 1.125 - 1.126 - e = cx_szmul_impl(s / 4, 2, &r); 1.127 - EXPECT_EQ(0, e); 1.128 - EXPECT_EQ(s / 2, r); 1.129 - e = cx_szmul_impl(2, s / 4, &r); 1.130 - EXPECT_EQ(0, e); 1.131 - EXPECT_EQ(s / 2, r); 1.132 - 1.133 - e = cx_szmul_impl(s / 4, 4, &r); 1.134 - EXPECT_EQ(0, e); 1.135 - EXPECT_EQ(s, r); 1.136 - 1.137 - e = cx_szmul_impl(4, s / 4, &r); 1.138 - EXPECT_EQ(0, e); 1.139 - EXPECT_EQ(s, r); 1.140 - 1.141 - e = cx_szmul_impl(s / 4, 5, &r); 1.142 - EXPECT_NE(0, e); 1.143 - 1.144 - e = cx_szmul_impl(5, s / 4, &r); 1.145 - EXPECT_NE(0, e); 1.146 - 1.147 - e = cx_szmul_impl(SIZE_MAX - 4, 0, &r); 1.148 - EXPECT_EQ(0, e); 1.149 - EXPECT_EQ(0, r); 1.150 - 1.151 - e = cx_szmul_impl(0, SIZE_MAX - 1, &r); 1.152 - EXPECT_EQ(0, e); 1.153 - EXPECT_EQ(0, r); 1.154 - 1.155 - e = cx_szmul_impl(SIZE_MAX, 0, &r); 1.156 - EXPECT_EQ(0, e); 1.157 - EXPECT_EQ(0, r); 1.158 - 1.159 - e = cx_szmul_impl(0, SIZE_MAX, &r); 1.160 - EXPECT_EQ(0, e); 1.161 - EXPECT_EQ(0, r); 1.162 - 1.163 - e = cx_szmul_impl(0, 0, &r); 1.164 - EXPECT_EQ(0, e); 1.165 - EXPECT_EQ(0, r); 1.166 -} 1.167 - 1.168 -#endif // CX_SZMUL_BUILTIN