openharmony/third_party_libsnd
1
0
Fork 0
mirror of https://gitee.com/openharmony/third_party_libsnd synced 2024-11-26 19:40:24 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

tests/peak_chunk_test.c : Improve read_write_peak_test to find more errors.

Browse Source
This commit is contained in:
Erik de Castro Lopo 2008-01-27 13:45:21 +11:00
parent 79143c12c0
commit 900ff60b44
1 changed files with 38 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

68
tests/peak_chunk_test.c
View File

@ -290,51 +290,59 @@ check_logged_peaks (char *buffer)
static void
read_write_peak_test (const char *filename, int filetype)
{ SNDFILE *file ;
SF_INFO sfinfo ;
int k, frames ;
double max_peak = 0.0 ;
{ SNDFILE *file ;
SF_INFO sfinfo ;
double small_data [10] ;
double max_peak = 0.0 ;
unsigned k ;
print_test_name (__func__, filename) ;
sfinfo.samplerate = 44100 ;
sfinfo.format = filetype ;
sfinfo.channels = 1 ;
sfinfo.frames = 0 ;
for (k = 0 ; k < ARRAY_LEN (small_data) ; k ++)
small_data [k] = 0.1 ;
frames = BUFFER_LEN / sfinfo.channels ;
sfinfo.samplerate = 44100 ;
sfinfo.channels = 2 ;
sfinfo.format = filetype ;
sfinfo.frames = 0 ;
/* Create some random data with a peak value of 0.66. */
for (k = 0 ; k < BUFFER_LEN ; k++)
data [k] = (rand () % 2000) / 3000.0 ;
/* Open the file, add peak chunk and write samples with value 0.1. */
file = test_open_file_or_die (filename, SFM_WRITE, &sfinfo, SF_FALSE, __LINE__) ;
/* Insert a peak at a known position. */
data [frames / 8] = 0.95 ;
sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_TRUE) ;
/* Make sure the file doesn't already exist. */
unlink (filename) ;
test_write_double_or_die (file, 0, small_data, ARRAY_LEN (small_data), __LINE__) ;
/* Write a file with PEAK chunks. */
file = test_open_file_or_die (filename, SFM_RDWR, &sfinfo, 0, __LINE__) ;
sf_close (file) ;
sf_command (file, SFC_SET_ADD_PEAK_CHUNK, NULL, SF_TRUE) ;
/* Open the fiel RDWR, write sample valied 1.25. */
file = test_open_file_or_die (filename, SFM_RDWR, &sfinfo, SF_FALSE, __LINE__) ;
test_write_double_or_die (file, 0, data, BUFFER_LEN, BUFFER_LEN) ;
for (k = 0 ; k < ARRAY_LEN (small_data) ; k ++)
small_data [k] = 1.0 ;
sf_close (file) ;
test_write_double_or_die (file, 0, small_data, ARRAY_LEN (small_data), __LINE__) ;
/* Now open the file ... */
file = test_open_file_or_die (filename, SFM_RDWR, &sfinfo, 0, __LINE__) ;
sf_command (file, SFC_GET_SIGNAL_MAX, &max_peak, sizeof (max_peak)) ;
/* ... and check if the PEAK chunk has been written. */
if (sf_command (file, SFC_GET_SIGNAL_MAX, &max_peak, sizeof (double)) == SF_FALSE)
{ printf ("\n\nLine %d : SFC_GET_SIGNAL_MAX failed.\n\n", __LINE__) ;
exit (1) ;
} ;
sf_close (file) ;
sf_close (file) ;
exit_if_true (max_peak < 0.1, "\n\nLine %d : max peak (%5.3f) should not be 0.1.\n\n", __LINE__, max_peak) ;
/* Open the file and test the values written to the PEAK chunk. */
file = test_open_file_or_die (filename, SFM_READ, &sfinfo, SF_FALSE, __LINE__) ;
exit_if_true (sfinfo.channels * sfinfo.frames != 2 * ARRAY_LEN (small_data),
"Line %d : frame count is %ld, should be %d\n", __LINE__, SF_COUNT_TO_LONG (sfinfo.frames), 2 * ARRAY_LEN (small_data)) ;
sf_command (file, SFC_GET_SIGNAL_MAX, &max_peak, sizeof (double)) ;
sf_close (file) ;
exit_if_true (max_peak < 1.0, "\n\nLine %d : max peak (%5.3f) should be 1.0.\n\n", __LINE__, max_peak) ;
unlink (filename) ;
printf ("ok\n") ;
puts ("ok") ;
} /* read_write_peak_test */