Tue, 20 Dec 2022 14:12:36 +0100
add utils tests
test/CMakeLists.txt | file | annotate | diff | comparison | revisions | |
test/test_utils.cpp | file | annotate | diff | comparison | revisions |
1.1 --- a/test/CMakeLists.txt Wed Dec 07 21:07:54 2022 +0100 1.2 +++ b/test/CMakeLists.txt Tue Dec 20 14:12:36 2022 +0100 1.3 @@ -14,6 +14,7 @@ 1.4 message(STATUS "Google Test made available") 1.5 1.6 add_executable(ucxtest 1.7 + test_utils.cpp 1.8 test_allocator.cpp 1.9 test_compare.cpp 1.10 test_string.cpp
2.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 2.2 +++ b/test/test_utils.cpp Tue Dec 20 14:12:36 2022 +0100 2.3 @@ -0,0 +1,155 @@ 2.4 +/* 2.5 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. 2.6 + * 2.7 + * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. 2.8 + * 2.9 + * Redistribution and use in source and binary forms, with or without 2.10 + * modification, are permitted provided that the following conditions are met: 2.11 + * 2.12 + * 1. Redistributions of source code must retain the above copyright 2.13 + * notice, this list of conditions and the following disclaimer. 2.14 + * 2.15 + * 2. Redistributions in binary form must reproduce the above copyright 2.16 + * notice, this list of conditions and the following disclaimer in the 2.17 + * documentation and/or other materials provided with the distribution. 2.18 + * 2.19 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 2.20 + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2.21 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2.22 + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 2.23 + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2.24 + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2.25 + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2.26 + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2.27 + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2.28 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2.29 + * POSSIBILITY OF SUCH DAMAGE. 2.30 + */ 2.31 + 2.32 +#include "cx/utils.h" 2.33 + 2.34 +#include <gtest/gtest.h> 2.35 + 2.36 +TEST(Utils, ForN) { 2.37 + unsigned j; 2.38 + j = 0; 2.39 + cx_for_n(i, 50) { 2.40 + EXPECT_EQ(i, j); 2.41 + j++; 2.42 + } 2.43 +} 2.44 + 2.45 +TEST(Utils, szmul) { 2.46 + size_t r; 2.47 + int e; 2.48 + e = cx_szmul(5, 7, &r); 2.49 + EXPECT_EQ(0, e); 2.50 + EXPECT_EQ(35, r); 2.51 + 2.52 + size_t s = SIZE_MAX & ~3; 2.53 + 2.54 + e = cx_szmul(s / 4, 2, &r); 2.55 + EXPECT_EQ(0, e); 2.56 + EXPECT_EQ(s / 2, r); 2.57 + e = cx_szmul(2, s / 4, &r); 2.58 + EXPECT_EQ(0, e); 2.59 + EXPECT_EQ(s / 2, r); 2.60 + 2.61 + e = cx_szmul(s / 4, 4, &r); 2.62 + EXPECT_EQ(0, e); 2.63 + EXPECT_EQ(s, r); 2.64 + 2.65 + e = cx_szmul(4, s / 4, &r); 2.66 + EXPECT_EQ(0, e); 2.67 + EXPECT_EQ(s, r); 2.68 + 2.69 + e = cx_szmul(s / 4, 5, &r); 2.70 + EXPECT_NE(0, e); 2.71 + 2.72 + e = cx_szmul(5, s / 4, &r); 2.73 + EXPECT_NE(0, e); 2.74 + 2.75 + e = cx_szmul(SIZE_MAX - 4, 0, &r); 2.76 + EXPECT_EQ(0, e); 2.77 + EXPECT_EQ(0, r); 2.78 + 2.79 + e = cx_szmul(0, SIZE_MAX - 1, &r); 2.80 + EXPECT_EQ(0, e); 2.81 + EXPECT_EQ(0, r); 2.82 + 2.83 + e = cx_szmul(SIZE_MAX, 0, &r); 2.84 + EXPECT_EQ(0, e); 2.85 + EXPECT_EQ(0, r); 2.86 + 2.87 + e = cx_szmul(0, SIZE_MAX, &r); 2.88 + EXPECT_EQ(0, e); 2.89 + EXPECT_EQ(0, r); 2.90 + 2.91 + e = cx_szmul(0, 0, &r); 2.92 + EXPECT_EQ(0, e); 2.93 + EXPECT_EQ(0, r); 2.94 +} 2.95 + 2.96 +#ifdef CX_SZMUL_BUILTIN 2.97 + 2.98 +// also test the custom implementation 2.99 +struct Utils_szmul_impl : ::testing::Test { 2.100 +#undef CX_SZMUL_BUILTIN 2.101 + 2.102 +#include "../src/utils.c" 2.103 + 2.104 +#define CX_SZMUL_BUILTIN 2.105 +}; 2.106 + 2.107 +TEST_F(Utils_szmul_impl, Test) { 2.108 + size_t r; 2.109 + int e; 2.110 + e = cx_szmul_impl(5, 7, &r); 2.111 + EXPECT_EQ(0, e); 2.112 + EXPECT_EQ(35, r); 2.113 + 2.114 + size_t s = SIZE_MAX & ~3; 2.115 + 2.116 + e = cx_szmul_impl(s / 4, 2, &r); 2.117 + EXPECT_EQ(0, e); 2.118 + EXPECT_EQ(s / 2, r); 2.119 + e = cx_szmul_impl(2, s / 4, &r); 2.120 + EXPECT_EQ(0, e); 2.121 + EXPECT_EQ(s / 2, r); 2.122 + 2.123 + e = cx_szmul_impl(s / 4, 4, &r); 2.124 + EXPECT_EQ(0, e); 2.125 + EXPECT_EQ(s, r); 2.126 + 2.127 + e = cx_szmul_impl(4, s / 4, &r); 2.128 + EXPECT_EQ(0, e); 2.129 + EXPECT_EQ(s, r); 2.130 + 2.131 + e = cx_szmul_impl(s / 4, 5, &r); 2.132 + EXPECT_NE(0, e); 2.133 + 2.134 + e = cx_szmul_impl(5, s / 4, &r); 2.135 + EXPECT_NE(0, e); 2.136 + 2.137 + e = cx_szmul_impl(SIZE_MAX - 4, 0, &r); 2.138 + EXPECT_EQ(0, e); 2.139 + EXPECT_EQ(0, r); 2.140 + 2.141 + e = cx_szmul_impl(0, SIZE_MAX - 1, &r); 2.142 + EXPECT_EQ(0, e); 2.143 + EXPECT_EQ(0, r); 2.144 + 2.145 + e = cx_szmul_impl(SIZE_MAX, 0, &r); 2.146 + EXPECT_EQ(0, e); 2.147 + EXPECT_EQ(0, r); 2.148 + 2.149 + e = cx_szmul_impl(0, SIZE_MAX, &r); 2.150 + EXPECT_EQ(0, e); 2.151 + EXPECT_EQ(0, r); 2.152 + 2.153 + e = cx_szmul_impl(0, 0, &r); 2.154 + EXPECT_EQ(0, e); 2.155 + EXPECT_EQ(0, r); 2.156 +} 2.157 + 2.158 +#endif // CX_SZMUL_BUILTIN