diff options
Diffstat (limited to 'src/unittests/endian.cc')
-rw-r--r-- | src/unittests/endian.cc | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/unittests/endian.cc b/src/unittests/endian.cc new file mode 100644 index 000000000..3d0c66051 --- /dev/null +++ b/src/unittests/endian.cc @@ -0,0 +1,65 @@ +/* + * The ManaPlus Client + * Copyright (C) 2013-2017 The ManaPlus Developers + * + * This file is part of The ManaPlus Client. + * + * 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 + * 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, see <http://www.gnu.org/licenses/>. + */ + +#include "unittests/unittests.h" + +#include "logger.h" + +#include "utils/delete2.h" + +PRAGMA48(GCC diagnostic push) +PRAGMA48(GCC diagnostic ignored "-Wshadow") +#include <SDL_endian.h> +PRAGMA48(GCC diagnostic pop) + +#include "debug.h" + +#ifndef SDL_BIG_ENDIAN +#error missing SDL_endian.h +#endif // SDL_BYTEORDER + +namespace +{ + union ByteOrderData final + { + uint32_t dwordData; + uint8_t byteData[4]; + } __attribute__((packed)); +} // namespace + +TEST_CASE("endian test", "") +{ + ByteOrderData data; + data.byteData[0] = 0x10; + data.byteData[1] = 0x20; + data.byteData[2] = 0x30; + data.byteData[3] = 0x40; + logger = new Logger(); +#if SDL_BYTEORDER == SDL_BIG_ENDIAN + REQUIRE(data.dwordData == 0x10203040); + logger->log("big endian detected"); +#else // SDL_BYTEORDER == SDL_BIG_ENDIAN + + REQUIRE(data.dwordData == 0x40302010); + logger->log("little endian detected"); +#endif // SDL_BYTEORDER == SDL_BIG_ENDIAN + + delete2(logger); +} |