diff -r e59b76889f00 -r d31f4d4075dc tests/test_utils.cpp --- a/tests/test_utils.cpp Wed Dec 20 16:46:14 2023 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,227 +0,0 @@ -/* - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. - * - * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "cx/utils.h" - -#include "cx/buffer.h" - -#include - -TEST(Utils, cx_stream_bncopy) { - CxBuffer source, target; - char sbuf[32], tbuf[32]; - memset(tbuf, 0, 32); - cxBufferInit(&source, sbuf, 32, nullptr, 0); - cxBufferInit(&target, tbuf, 32, nullptr, 0); - cxBufferPutString(&source, "This is a stream copy test."); - cxBufferSeek(&source, 0, SEEK_SET); - - char tmp[4]; - size_t result = cx_stream_bncopy(&source, &target, - (cx_read_func) cxBufferRead, - (cx_write_func) cxBufferWrite, - tmp, 4, 20); - EXPECT_EQ(20, result); - EXPECT_EQ(20, target.size); - EXPECT_STREQ("This is a stream cop\0", tbuf); - - result = cx_stream_bcopy(&source, &target, - (cx_read_func) cxBufferRead, - (cx_write_func) cxBufferWrite, - nullptr, 16); - - EXPECT_EQ(7, result); - EXPECT_EQ(27, target.size); - EXPECT_STREQ("This is a stream copy test.\0", tbuf); - - cxBufferDestroy(&source); - cxBufferDestroy(&target); -} - -TEST(Utils, cx_stream_ncopy) { - CxBuffer source, target; - char sbuf[32], tbuf[32]; - memset(tbuf, 0, 32); - cxBufferInit(&source, sbuf, 32, nullptr, 0); - cxBufferInit(&target, tbuf, 32, nullptr, 0); - cxBufferPutString(&source, "This is a stream copy test."); - cxBufferSeek(&source, 0, SEEK_SET); - - size_t result = cx_stream_ncopy(&source, &target, - (cx_read_func) cxBufferRead, - (cx_write_func) cxBufferWrite, - 20); - EXPECT_EQ(20, result); - EXPECT_EQ(20, target.size); - EXPECT_STREQ("This is a stream cop\0", tbuf); - - result = cx_stream_copy(&source, &target, - (cx_read_func) cxBufferRead, - (cx_write_func) cxBufferWrite); - - EXPECT_EQ(7, result); - EXPECT_EQ(27, target.size); - EXPECT_STREQ("This is a stream copy test.\0", tbuf); - - cxBufferDestroy(&source); - cxBufferDestroy(&target); -} - -TEST(Utils, ForN) { - unsigned j; - j = 0; - cx_for_n(i, 50) { - EXPECT_EQ(i, j); - j++; - } -} - -TEST(Utils, swap_ptr) { - int i = 5; - int j = 8; - int *ip = &i; - int *jp = &j; - cx_swap_ptr(ip, jp); - EXPECT_EQ(ip, &j); - EXPECT_EQ(jp, &i); -} - -TEST(Utils, szmul) { - size_t r; - int e; - e = cx_szmul(5, 7, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(35, r); - - size_t s = SIZE_MAX & ~3; - - e = cx_szmul(s / 4, 2, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(s / 2, r); - e = cx_szmul(2, s / 4, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(s / 2, r); - - e = cx_szmul(s / 4, 4, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(s, r); - - e = cx_szmul(4, s / 4, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(s, r); - - e = cx_szmul(s / 4, 5, &r); - EXPECT_NE(0, e); - - e = cx_szmul(5, s / 4, &r); - EXPECT_NE(0, e); - - e = cx_szmul(SIZE_MAX - 4, 0, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(0, r); - - e = cx_szmul(0, SIZE_MAX - 1, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(0, r); - - e = cx_szmul(SIZE_MAX, 0, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(0, r); - - e = cx_szmul(0, SIZE_MAX, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(0, r); - - e = cx_szmul(0, 0, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(0, r); -} - -#ifdef CX_SZMUL_BUILTIN - -// also test the custom implementation -struct Utils_szmul_impl : ::testing::Test { -#undef CX_SZMUL_BUILTIN - -#include "../src/szmul.c" - -#define CX_SZMUL_BUILTIN -}; - -TEST_F(Utils_szmul_impl, Test) { - size_t r; - int e; - e = cx_szmul_impl(5, 7, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(35, r); - - size_t s = SIZE_MAX & ~3; - - e = cx_szmul_impl(s / 4, 2, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(s / 2, r); - e = cx_szmul_impl(2, s / 4, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(s / 2, r); - - e = cx_szmul_impl(s / 4, 4, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(s, r); - - e = cx_szmul_impl(4, s / 4, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(s, r); - - e = cx_szmul_impl(s / 4, 5, &r); - EXPECT_NE(0, e); - - e = cx_szmul_impl(5, s / 4, &r); - EXPECT_NE(0, e); - - e = cx_szmul_impl(SIZE_MAX - 4, 0, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(0, r); - - e = cx_szmul_impl(0, SIZE_MAX - 1, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(0, r); - - e = cx_szmul_impl(SIZE_MAX, 0, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(0, r); - - e = cx_szmul_impl(0, SIZE_MAX, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(0, r); - - e = cx_szmul_impl(0, 0, &r); - EXPECT_EQ(0, e); - EXPECT_EQ(0, r); -} - -#endif // CX_SZMUL_BUILTIN