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/*
* Copyright 2003-2020 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "util/ByteReverse.hxx"
#include "util/Compiler.h"
#include <gtest/gtest.h>
#include <string.h>
#include <stdlib.h>
TEST(ByteReverse, A)
{
alignas(uint16_t) static const char src[] = "123456";
static const char result[] = "214365";
alignas(uint16_t)static uint8_t dest[std::size(src)];
reverse_bytes(dest, (const uint8_t *)src,
(const uint8_t *)(src + std::size(src) - 1), 2);
EXPECT_STREQ(result, (const char *)dest);
}
TEST(ByteReverse, B)
{
static const char src[] = "123456";
static const char result[] = "321654";
static uint8_t dest[std::size(src)];
reverse_bytes(dest, (const uint8_t *)src,
(const uint8_t *)(src + std::size(src) - 1), 3);
EXPECT_STREQ(result, (const char *)dest);
}
TEST(ByteReverse, C)
{
alignas(uint32_t) static const char src[] = "12345678";
static const char result[] = "43218765";
alignas(uint32_t) static uint8_t dest[std::size(src)];
reverse_bytes(dest, (const uint8_t *)src,
(const uint8_t *)(src + std::size(src) - 1), 4);
EXPECT_STREQ(result, (const char *)dest);
}
TEST(ByteReverse, D)
{
static const char src[] = "1234567890";
static const char result[] = "5432109876";
static uint8_t dest[std::size(src)];
reverse_bytes(dest, (const uint8_t *)src,
(const uint8_t *)(src + std::size(src) - 1), 5);
EXPECT_STREQ(result, (const char *)dest);
}
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