diff options
Diffstat (limited to 'src/test_libFLAC/endswap.c')
| -rw-r--r-- | src/test_libFLAC/endswap.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/test_libFLAC/endswap.c b/src/test_libFLAC/endswap.c new file mode 100644 index 0000000..808f81f --- /dev/null +++ b/src/test_libFLAC/endswap.c @@ -0,0 +1,111 @@ +/* test_libFLAC - Unit tester for libFLAC + * Copyright (C) 2014-2023 Xiph.Org Foundation + * + * 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. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <stdio.h> +#include <string.h> + +#include "share/compat.h" +#include "FLAC/assert.h" +#include "share/endswap.h" +#include "private/md5.h" +#include "endswap.h" + + +FLAC__bool test_endswap(void) +{ + int16_t i16 = 0x1234; + uint16_t u16 = 0xabcd; + int32_t i32 = 0x12345678; + uint32_t u32 = 0xabcdef01; + + union { + uint8_t bytes[4]; + uint16_t u16; + uint32_t u32; + } data; + + printf("\n+++ libFLAC unit test: endswap (%s endian host)\n\n", CPU_IS_BIG_ENDIAN ? "big" : "little"); + + printf("testing ENDSWAP_16 on int16_t ... "); + if (((int16_t) ENDSWAP_16(i16)) == i16) { + printf("\nFAILED, ENDSWAP_16(0x%04x) -> 0x%04x == 0x%04x\n", i16, ENDSWAP_16(i16), i16); + return false; + } + if (((int16_t) ENDSWAP_16(ENDSWAP_16(i16))) != i16) { + printf("\nFAILED, ENDSWAP_16(ENDSWAP_16(0x%04x)) -> 0x%04x != 0x%04x\n", i16, ENDSWAP_16(ENDSWAP_16(i16)), i16); + return false; + } + puts("OK"); + + printf("testing ENDSWAP_16 on uint16_t ... "); + if (((uint16_t) ENDSWAP_16(u16)) == u16) { + printf("\nFAILED, ENDSWAP_16(0x%04x) -> 0x%04x == 0x%04x\n", u16, ENDSWAP_16(u16), u16); + return false; + } + if (((uint16_t) ENDSWAP_16(ENDSWAP_16(u16))) != u16) { + printf("\nFAILED, ENDSWAP_16(ENDSWAP_16(0x%04x)) -> 0x%04x != 0x%04x\n", u16, ENDSWAP_16(ENDSWAP_16(u16)), u16); + return false; + } + puts("OK"); + + printf("testing ENDSWAP_32 on int32_t ... "); + if (((int32_t) ENDSWAP_32 (i32)) == i32) { + printf("\nFAILED, ENDSWAP_32(0x%08x) -> 0x%08x == 0x%08x\n", i32, (uint32_t) ENDSWAP_32 (i32), i32); + return false; + } + if (((int32_t) ENDSWAP_32 (ENDSWAP_32 (i32))) != i32) { + printf("\nFAILED, ENDSWAP_32(ENDSWAP_32(0x%08x)) -> 0x%08x != 0x%08x\n", i32, (uint32_t) ENDSWAP_32(ENDSWAP_32 (i32)), i32); + return false; + } + puts("OK"); + + printf("testing ENDSWAP_32 on uint32_t ... "); + if (((uint32_t) ENDSWAP_32(u32)) == u32) { + printf("\nFAILED, ENDSWAP_32(0x%08x) -> 0x%08x == 0x%08x\n", u32, (uint32_t) ENDSWAP_32(u32), u32); + return false; + } + if (((uint32_t) ENDSWAP_32 (ENDSWAP_32(u32))) != u32) { + printf("\nFAILED, ENDSWAP_32(ENDSWAP_32(0x%08x)) -> 0x%08x != 0%08x\n", u32, (uint32_t) ENDSWAP_32(ENDSWAP_32(u32)), u32); + return false; + } + puts("OK"); + + printf("testing H2LE_16 on uint16_t ... "); + data.u16 = H2LE_16(0x1234); + if (data.bytes [0] != 0x34 || data.bytes [1] != 0x12) { + printf("\nFAILED, H2LE_16(0x%04x) -> { 0x%02x, 0x%02x }\n", data.u16, data.bytes [0] & 0xff, data.bytes [1] & 0xff); + return false; + } + puts("OK"); + + printf("testing H2LE_32 on uint32_t ... "); + data.u32 = H2LE_32(0x12345678); + if (data.bytes [0] != 0x78 || data.bytes [1] != 0x56 || data.bytes [2] != 0x34 || data.bytes [3] != 0x12) { + printf("\nFAILED, H2LE_32(0x%08x) -> { 0x%02x, 0x%02x, 0x%02x, 0x%02x }\n", + data.u32, data.bytes [0] & 0xff, data.bytes [1] & 0xff, data.bytes [2] & 0xff, data.bytes [3] & 0xff); + return false; + } + puts("OK"); + + printf("\nPASSED!\n"); + return true; +} |