1.1 --- a/tests/test_utils.cpp Wed Dec 20 16:46:14 2023 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,227 +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 "cx/buffer.h"
1.35 -
1.36 -#include <gtest/gtest.h>
1.37 -
1.38 -TEST(Utils, cx_stream_bncopy) {
1.39 - CxBuffer source, target;
1.40 - char sbuf[32], tbuf[32];
1.41 - memset(tbuf, 0, 32);
1.42 - cxBufferInit(&source, sbuf, 32, nullptr, 0);
1.43 - cxBufferInit(&target, tbuf, 32, nullptr, 0);
1.44 - cxBufferPutString(&source, "This is a stream copy test.");
1.45 - cxBufferSeek(&source, 0, SEEK_SET);
1.46 -
1.47 - char tmp[4];
1.48 - size_t result = cx_stream_bncopy(&source, &target,
1.49 - (cx_read_func) cxBufferRead,
1.50 - (cx_write_func) cxBufferWrite,
1.51 - tmp, 4, 20);
1.52 - EXPECT_EQ(20, result);
1.53 - EXPECT_EQ(20, target.size);
1.54 - EXPECT_STREQ("This is a stream cop\0", tbuf);
1.55 -
1.56 - result = cx_stream_bcopy(&source, &target,
1.57 - (cx_read_func) cxBufferRead,
1.58 - (cx_write_func) cxBufferWrite,
1.59 - nullptr, 16);
1.60 -
1.61 - EXPECT_EQ(7, result);
1.62 - EXPECT_EQ(27, target.size);
1.63 - EXPECT_STREQ("This is a stream copy test.\0", tbuf);
1.64 -
1.65 - cxBufferDestroy(&source);
1.66 - cxBufferDestroy(&target);
1.67 -}
1.68 -
1.69 -TEST(Utils, cx_stream_ncopy) {
1.70 - CxBuffer source, target;
1.71 - char sbuf[32], tbuf[32];
1.72 - memset(tbuf, 0, 32);
1.73 - cxBufferInit(&source, sbuf, 32, nullptr, 0);
1.74 - cxBufferInit(&target, tbuf, 32, nullptr, 0);
1.75 - cxBufferPutString(&source, "This is a stream copy test.");
1.76 - cxBufferSeek(&source, 0, SEEK_SET);
1.77 -
1.78 - size_t result = cx_stream_ncopy(&source, &target,
1.79 - (cx_read_func) cxBufferRead,
1.80 - (cx_write_func) cxBufferWrite,
1.81 - 20);
1.82 - EXPECT_EQ(20, result);
1.83 - EXPECT_EQ(20, target.size);
1.84 - EXPECT_STREQ("This is a stream cop\0", tbuf);
1.85 -
1.86 - result = cx_stream_copy(&source, &target,
1.87 - (cx_read_func) cxBufferRead,
1.88 - (cx_write_func) cxBufferWrite);
1.89 -
1.90 - EXPECT_EQ(7, result);
1.91 - EXPECT_EQ(27, target.size);
1.92 - EXPECT_STREQ("This is a stream copy test.\0", tbuf);
1.93 -
1.94 - cxBufferDestroy(&source);
1.95 - cxBufferDestroy(&target);
1.96 -}
1.97 -
1.98 -TEST(Utils, ForN) {
1.99 - unsigned j;
1.100 - j = 0;
1.101 - cx_for_n(i, 50) {
1.102 - EXPECT_EQ(i, j);
1.103 - j++;
1.104 - }
1.105 -}
1.106 -
1.107 -TEST(Utils, swap_ptr) {
1.108 - int i = 5;
1.109 - int j = 8;
1.110 - int *ip = &i;
1.111 - int *jp = &j;
1.112 - cx_swap_ptr(ip, jp);
1.113 - EXPECT_EQ(ip, &j);
1.114 - EXPECT_EQ(jp, &i);
1.115 -}
1.116 -
1.117 -TEST(Utils, szmul) {
1.118 - size_t r;
1.119 - int e;
1.120 - e = cx_szmul(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(s / 4, 2, &r);
1.127 - EXPECT_EQ(0, e);
1.128 - EXPECT_EQ(s / 2, r);
1.129 - e = cx_szmul(2, s / 4, &r);
1.130 - EXPECT_EQ(0, e);
1.131 - EXPECT_EQ(s / 2, r);
1.132 -
1.133 - e = cx_szmul(s / 4, 4, &r);
1.134 - EXPECT_EQ(0, e);
1.135 - EXPECT_EQ(s, r);
1.136 -
1.137 - e = cx_szmul(4, s / 4, &r);
1.138 - EXPECT_EQ(0, e);
1.139 - EXPECT_EQ(s, r);
1.140 -
1.141 - e = cx_szmul(s / 4, 5, &r);
1.142 - EXPECT_NE(0, e);
1.143 -
1.144 - e = cx_szmul(5, s / 4, &r);
1.145 - EXPECT_NE(0, e);
1.146 -
1.147 - e = cx_szmul(SIZE_MAX - 4, 0, &r);
1.148 - EXPECT_EQ(0, e);
1.149 - EXPECT_EQ(0, r);
1.150 -
1.151 - e = cx_szmul(0, SIZE_MAX - 1, &r);
1.152 - EXPECT_EQ(0, e);
1.153 - EXPECT_EQ(0, r);
1.154 -
1.155 - e = cx_szmul(SIZE_MAX, 0, &r);
1.156 - EXPECT_EQ(0, e);
1.157 - EXPECT_EQ(0, r);
1.158 -
1.159 - e = cx_szmul(0, SIZE_MAX, &r);
1.160 - EXPECT_EQ(0, e);
1.161 - EXPECT_EQ(0, r);
1.162 -
1.163 - e = cx_szmul(0, 0, &r);
1.164 - EXPECT_EQ(0, e);
1.165 - EXPECT_EQ(0, r);
1.166 -}
1.167 -
1.168 -#ifdef CX_SZMUL_BUILTIN
1.169 -
1.170 -// also test the custom implementation
1.171 -struct Utils_szmul_impl : ::testing::Test {
1.172 -#undef CX_SZMUL_BUILTIN
1.173 -
1.174 -#include "../src/szmul.c"
1.175 -
1.176 -#define CX_SZMUL_BUILTIN
1.177 -};
1.178 -
1.179 -TEST_F(Utils_szmul_impl, Test) {
1.180 - size_t r;
1.181 - int e;
1.182 - e = cx_szmul_impl(5, 7, &r);
1.183 - EXPECT_EQ(0, e);
1.184 - EXPECT_EQ(35, r);
1.185 -
1.186 - size_t s = SIZE_MAX & ~3;
1.187 -
1.188 - e = cx_szmul_impl(s / 4, 2, &r);
1.189 - EXPECT_EQ(0, e);
1.190 - EXPECT_EQ(s / 2, r);
1.191 - e = cx_szmul_impl(2, s / 4, &r);
1.192 - EXPECT_EQ(0, e);
1.193 - EXPECT_EQ(s / 2, r);
1.194 -
1.195 - e = cx_szmul_impl(s / 4, 4, &r);
1.196 - EXPECT_EQ(0, e);
1.197 - EXPECT_EQ(s, r);
1.198 -
1.199 - e = cx_szmul_impl(4, s / 4, &r);
1.200 - EXPECT_EQ(0, e);
1.201 - EXPECT_EQ(s, r);
1.202 -
1.203 - e = cx_szmul_impl(s / 4, 5, &r);
1.204 - EXPECT_NE(0, e);
1.205 -
1.206 - e = cx_szmul_impl(5, s / 4, &r);
1.207 - EXPECT_NE(0, e);
1.208 -
1.209 - e = cx_szmul_impl(SIZE_MAX - 4, 0, &r);
1.210 - EXPECT_EQ(0, e);
1.211 - EXPECT_EQ(0, r);
1.212 -
1.213 - e = cx_szmul_impl(0, SIZE_MAX - 1, &r);
1.214 - EXPECT_EQ(0, e);
1.215 - EXPECT_EQ(0, r);
1.216 -
1.217 - e = cx_szmul_impl(SIZE_MAX, 0, &r);
1.218 - EXPECT_EQ(0, e);
1.219 - EXPECT_EQ(0, r);
1.220 -
1.221 - e = cx_szmul_impl(0, SIZE_MAX, &r);
1.222 - EXPECT_EQ(0, e);
1.223 - EXPECT_EQ(0, r);
1.224 -
1.225 - e = cx_szmul_impl(0, 0, &r);
1.226 - EXPECT_EQ(0, e);
1.227 - EXPECT_EQ(0, r);
1.228 -}
1.229 -
1.230 -#endif // CX_SZMUL_BUILTIN
