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tests: unit test to trigger the queue/flushing race condition bug for allocation queries

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=692691
This commit is contained in:
Alexander Schrab 2013-01-29 12:40:52 +01:00 committed by Tim-Philipp Müller
parent 09bb0c2cdb
commit 745821d5f1
1 changed files with 71 additions and 0 deletions
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71
tests/check/elements/queue.c
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@ -812,6 +812,76 @@ GST_START_TEST (test_newsegment)
GST_END_TEST;
#endif
static gpointer
thread_func (gpointer data)
{
int i = 0;
for (i = 0; i < 100; i++) {
GstCaps *caps;
GstQuery *query;
gboolean ok;
caps = gst_caps_new_any ();
query = gst_query_new_allocation (caps, FALSE);
ok = gst_pad_peer_query (mysrcpad, query);
gst_query_unref (query);
gst_caps_unref (caps);
query = NULL;
caps = NULL;
if (!ok)
break;
}
return NULL;
}
static gboolean query_func (GstPad * pad, GstObject * parent, GstQuery * query);
static gboolean
query_func (GstPad * pad, GstObject * parent, GstQuery * query)
{
g_usleep (1000);
return TRUE;
}
GST_START_TEST (test_queries_while_flushing)
{
GstEvent *event;
GThread *thread;
int i;
mysinkpad = gst_check_setup_sink_pad (queue, &sinktemplate);
gst_pad_set_query_function (mysinkpad, query_func);
gst_pad_set_active (mysinkpad, TRUE);
/* hard to reproduce, so just run it a few times in a row */
for (i = 0; i < 500; ++i) {
GST_DEBUG ("starting");
UNDERRUN_LOCK ();
fail_unless (gst_element_set_state (queue,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
UNDERRUN_WAIT ();
UNDERRUN_UNLOCK ();
thread = g_thread_new ("deactivating thread", thread_func, NULL);
g_usleep (1000);
event = gst_event_new_flush_start ();
gst_pad_push_event (mysrcpad, event);
g_thread_join (thread);
GST_DEBUG ("stopping");
fail_unless (gst_element_set_state (queue,
GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS,
"could not set to null");
}
}
GST_END_TEST;
static Suite *
queue_suite (void)
{
@ -826,6 +896,7 @@ queue_suite (void)
tcase_add_test (tc_chain, test_leaky_downstream);
tcase_add_test (tc_chain, test_time_level);
tcase_add_test (tc_chain, test_time_level_task_not_started);
tcase_add_test (tc_chain, test_queries_while_flushing);
#if 0
tcase_add_test (tc_chain, test_newsegment);
#endif