harness: Handle element not being set cleanly.

If a harness is created with gst_harness_new_empty(), there
might not be an internal element to unref on cleanup.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/686>
This commit is contained in:
Jan Schmidt 2020-10-30 23:46:07 +11:00
parent 2a9267f2d4
commit f6ce1686f1
2 changed files with 14 additions and 3 deletions

View file

@ -1134,7 +1134,7 @@ gst_harness_teardown (GstHarness * h)
priv->propose_allocation_metas = NULL;
/* if we hold the last ref, set to NULL */
if (gst_harness_element_unref (h) == 0) {
if (h->element != NULL && gst_harness_element_unref (h) == 0) {
gboolean state_change;
GstState state, pending;
state_change = gst_element_set_state (h->element, GST_STATE_NULL);
@ -1162,8 +1162,10 @@ gst_harness_teardown (GstHarness * h)
g_ptr_array_unref (priv->stress);
priv->stress = NULL;
gst_object_unref (h->element);
h->element = NULL;
if (h->element) {
gst_object_unref (h->element);
h->element = NULL;
}
gst_object_replace ((GstObject **) & priv->testclock, NULL);

View file

@ -25,6 +25,14 @@
#include <gst/check/gstcheck.h>
#include <gst/check/gstharness.h>
GST_START_TEST (test_harness_empty)
{
GstHarness *h = gst_harness_new_empty ();
gst_harness_teardown (h);
}
GST_END_TEST;
static void
create_destroy_element_harness (gpointer data, gpointer user_data)
{
@ -293,6 +301,7 @@ gst_harness_suite (void)
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_harness_empty);
tcase_add_test (tc_chain, test_harness_element_ref);
tcase_add_test (tc_chain, test_src_harness);
tcase_add_test (tc_chain, test_src_harness_no_forwarding);