Mercurial > hg > ucx / changeset

     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