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tests: add test that runs all typefinders over random data

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This commit is contained in:
Tim-Philipp Müller 2010-06-24 15:13:31 +01:00
parent 026e5d3e67
commit 713042e7ce
1 changed files with 46 additions and 0 deletions
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46
tests/check/gst/typefindfunctions.c
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@ -142,6 +142,51 @@ GST_START_TEST (test_jpeg_not_ac3)
GST_END_TEST;
#define TEST_RANDOM_DATA_SIZE (4*1024)
/* typefind random data, to make sure all typefinders are called */
GST_START_TEST (test_random_data)
{
GstTypeFindProbability prob;
const gchar *seed_env;
GstBuffer *buf;
GstCaps *caps;
guint32 seed;
guint8 *data;
gint i;
seed_env = g_getenv ("GST_TYPEFIND_TEST_SEED");
if (seed_env != NULL)
seed = atoi (seed_env);
else
seed = (guint32) time (NULL);
g_random_set_seed (seed);
data = g_malloc (TEST_RANDOM_DATA_SIZE);
for (i = 0; i < TEST_RANDOM_DATA_SIZE; ++i)
data[i] = g_random_int () & 0xff;
buf = gst_buffer_new ();
GST_BUFFER_DATA (buf) = (guint8 *) data;
GST_BUFFER_SIZE (buf) = TEST_RANDOM_DATA_SIZE;
GST_BUFFER_OFFSET (buf) = 0;
caps = gst_type_find_helper_for_buffer (NULL, buf, &prob);
GST_INFO ("caps: %" GST_PTR_FORMAT ", probability=%u", caps, prob);
/* for now we just print an error log message */
if (caps != NULL /* && prob >= GST_TYPE_FIND_LIKELY */ ) {
GST_ERROR ("typefinder thinks random data is %" GST_PTR_FORMAT ", with a "
"probability of %u (seed was %u)", caps, prob, seed);
gst_caps_unref (caps);
}
gst_buffer_unref (buf);
g_free (data);
}
GST_END_TEST;
static Suite *
typefindfunctions_suite (void)
{
@ -153,6 +198,7 @@ typefindfunctions_suite (void)
tcase_add_test (tc_chain, test_quicktime_mpeg4video);
tcase_add_test (tc_chain, test_broken_flac_in_ogg);
tcase_add_test (tc_chain, test_jpeg_not_ac3);
tcase_add_test (tc_chain, test_random_data);
return s;
}