FLAC__bool test_endswap(void)
{
int16_t i16 = 0x1234;
uint16_t u16 = 0xabcd;
int32_t i32 = 0x12345678;
uint32_t u32 = 0xabcdef01;
union {
unsigned char bytes[4];
uint16_t u16;
uint32_t u32;
} data;
printf("\n+++ libFLAC unit test: endswap (%s endian host)\n\n", CPU_IS_LITTLE_ENDIAN ? "little" : "big");
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, (unsigned) 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, (unsigned) 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, (unsigned) 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, (unsigned) 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;
}
static void
wav_subchunk_test (size_t chunk_size)
{ SNDFILE * file ;
SF_INFO sfinfo ;
SF_CHUNK_INFO chunk_info ;
char filename [256] ;
char chunk_data [10240] ;
short audio [16] ;
int err, value ;
snprintf (filename, sizeof (filename), "subchunk_%04d.wav", (int) chunk_size) ;
print_test_name (__func__, filename) ;
exit_if_true (sizeof (chunk_data) < chunk_size, "\n\nLine %d : sizeof (data) < chunk_size\n\n", __LINE__) ;
memset (chunk_data, 53, sizeof (chunk_data)) ;
chunk_data [chunk_size] = 0 ;
/* Fill in the chunk data. */
value = MAKE_MARKER ('a', 'd', 't', 'l') ;
memcpy (chunk_data, &value, sizeof (value)) ;
value = MAKE_MARKER ('n', 'o', 't', 'e') ;
memcpy (chunk_data + 4, &value, sizeof (value)) ;
value = H2LE_32 (chunk_size - 12) ;
memcpy (chunk_data + 8, &value, sizeof (value)) ;
sfinfo.samplerate = 44100 ;
sfinfo.channels = 1 ;
sfinfo.frames = 0 ;
sfinfo.format = SF_FORMAT_WAV | SF_FORMAT_PCM_16 ;
file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_TRUE, __LINE__) ;
/* Set up the chunk to write. */
memset (&chunk_info, 0, sizeof (chunk_info)) ;
snprintf (chunk_info.id, sizeof (chunk_info.id), "LIST") ;
chunk_info.id_size = 4 ;
chunk_info.data = chunk_data ;
chunk_info.datalen = chunk_size ;
err = sf_set_chunk (file, &chunk_info) ;
exit_if_true (
err != SF_ERR_NO_ERROR,
"\n\nLine %d : sf_set_chunk returned for testdata : %s\n\n", __LINE__, sf_error_number (err)
) ;
memset (chunk_info.data, 0, chunk_info.datalen) ;
/* Add some audio data. */
memset (audio, 0, sizeof (audio)) ;
sf_write_short (file, audio, ARRAY_LEN (audio)) ;
sf_close (file) ;
file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_TRUE, __LINE__) ;
exit_if_true (
sfinfo.frames != ARRAY_LEN (audio),
"\n\nLine %d : Incorrect sample count (%d should be %d)\n", __LINE__, (int) sfinfo.frames, (int) ARRAY_LEN (audio)
) ;
if (chunk_size < 512)
check_log_buffer_or_die (file, __LINE__) ;
sf_close (file) ;
unlink (filename) ;
puts ("ok") ;
} /* wav_subchunk_test */