1.1 --- a/test/test_utils.cpp Tue Feb 07 21:53:06 2023 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,155 +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, szmul) {
1.46 - size_t r;
1.47 - int e;
1.48 - e = cx_szmul(5, 7, &r);
1.49 - EXPECT_EQ(0, e);
1.50 - EXPECT_EQ(35, r);
1.51 -
1.52 - size_t s = SIZE_MAX & ~3;
1.53 -
1.54 - e = cx_szmul(s / 4, 2, &r);
1.55 - EXPECT_EQ(0, e);
1.56 - EXPECT_EQ(s / 2, r);
1.57 - e = cx_szmul(2, s / 4, &r);
1.58 - EXPECT_EQ(0, e);
1.59 - EXPECT_EQ(s / 2, r);
1.60 -
1.61 - e = cx_szmul(s / 4, 4, &r);
1.62 - EXPECT_EQ(0, e);
1.63 - EXPECT_EQ(s, r);
1.64 -
1.65 - e = cx_szmul(4, s / 4, &r);
1.66 - EXPECT_EQ(0, e);
1.67 - EXPECT_EQ(s, r);
1.68 -
1.69 - e = cx_szmul(s / 4, 5, &r);
1.70 - EXPECT_NE(0, e);
1.71 -
1.72 - e = cx_szmul(5, s / 4, &r);
1.73 - EXPECT_NE(0, e);
1.74 -
1.75 - e = cx_szmul(SIZE_MAX - 4, 0, &r);
1.76 - EXPECT_EQ(0, e);
1.77 - EXPECT_EQ(0, r);
1.78 -
1.79 - e = cx_szmul(0, SIZE_MAX - 1, &r);
1.80 - EXPECT_EQ(0, e);
1.81 - EXPECT_EQ(0, r);
1.82 -
1.83 - e = cx_szmul(SIZE_MAX, 0, &r);
1.84 - EXPECT_EQ(0, e);
1.85 - EXPECT_EQ(0, r);
1.86 -
1.87 - e = cx_szmul(0, SIZE_MAX, &r);
1.88 - EXPECT_EQ(0, e);
1.89 - EXPECT_EQ(0, r);
1.90 -
1.91 - e = cx_szmul(0, 0, &r);
1.92 - EXPECT_EQ(0, e);
1.93 - EXPECT_EQ(0, r);
1.94 -}
1.95 -
1.96 -#ifdef CX_SZMUL_BUILTIN
1.97 -
1.98 -// also test the custom implementation
1.99 -struct Utils_szmul_impl : ::testing::Test {
1.100 -#undef CX_SZMUL_BUILTIN
1.101 -
1.102 -#include "../src/utils.c"
1.103 -
1.104 -#define CX_SZMUL_BUILTIN
1.105 -};
1.106 -
1.107 -TEST_F(Utils_szmul_impl, Test) {
1.108 - size_t r;
1.109 - int e;
1.110 - e = cx_szmul_impl(5, 7, &r);
1.111 - EXPECT_EQ(0, e);
1.112 - EXPECT_EQ(35, r);
1.113 -
1.114 - size_t s = SIZE_MAX & ~3;
1.115 -
1.116 - e = cx_szmul_impl(s / 4, 2, &r);
1.117 - EXPECT_EQ(0, e);
1.118 - EXPECT_EQ(s / 2, r);
1.119 - e = cx_szmul_impl(2, s / 4, &r);
1.120 - EXPECT_EQ(0, e);
1.121 - EXPECT_EQ(s / 2, r);
1.122 -
1.123 - e = cx_szmul_impl(s / 4, 4, &r);
1.124 - EXPECT_EQ(0, e);
1.125 - EXPECT_EQ(s, r);
1.126 -
1.127 - e = cx_szmul_impl(4, s / 4, &r);
1.128 - EXPECT_EQ(0, e);
1.129 - EXPECT_EQ(s, r);
1.130 -
1.131 - e = cx_szmul_impl(s / 4, 5, &r);
1.132 - EXPECT_NE(0, e);
1.133 -
1.134 - e = cx_szmul_impl(5, s / 4, &r);
1.135 - EXPECT_NE(0, e);
1.136 -
1.137 - e = cx_szmul_impl(SIZE_MAX - 4, 0, &r);
1.138 - EXPECT_EQ(0, e);
1.139 - EXPECT_EQ(0, r);
1.140 -
1.141 - e = cx_szmul_impl(0, SIZE_MAX - 1, &r);
1.142 - EXPECT_EQ(0, e);
1.143 - EXPECT_EQ(0, r);
1.144 -
1.145 - e = cx_szmul_impl(SIZE_MAX, 0, &r);
1.146 - EXPECT_EQ(0, e);
1.147 - EXPECT_EQ(0, r);
1.148 -
1.149 - e = cx_szmul_impl(0, SIZE_MAX, &r);
1.150 - EXPECT_EQ(0, e);
1.151 - EXPECT_EQ(0, r);
1.152 -
1.153 - e = cx_szmul_impl(0, 0, &r);
1.154 - EXPECT_EQ(0, e);
1.155 - EXPECT_EQ(0, r);
1.156 -}
1.157 -
1.158 -#endif // CX_SZMUL_BUILTIN
