tests: pad: add test to verify flushing behaviour

Seems like a trivial case, but this was actually broken in 0.11 recently.
This commit is contained in:
René Stadler 2011-11-08 12:22:21 +01:00
parent 16dcd5e958
commit ab8d5874b0

View file

@ -399,6 +399,86 @@ GST_START_TEST (test_push_linked)
GST_END_TEST;
GST_START_TEST (test_push_linked_flushing)
{
GstPad *src, *sink;
GstCaps *caps;
GstPadLinkReturn plr;
GstBuffer *buffer;
gulong id;
/* setup */
src = gst_pad_new ("src", GST_PAD_SRC);
fail_if (src == NULL);
sink = gst_pad_new ("sink", GST_PAD_SINK);
fail_if (sink == NULL);
gst_pad_set_chain_function (sink, gst_check_chain_func);
caps = gst_pad_get_allowed_caps (src);
fail_unless (caps == NULL);
caps = gst_pad_get_allowed_caps (sink);
fail_unless (caps == NULL);
caps = gst_caps_from_string ("foo/bar");
/* one for me */
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
gst_pad_set_caps (src, caps);
gst_pad_set_caps (sink, caps);
/* one for me and one for each set_caps */
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
plr = gst_pad_link (src, sink);
fail_unless (GST_PAD_LINK_SUCCESSFUL (plr));
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
/* not activating the pads here, which keeps them flushing */
/* pushing on a flushing pad will drop the buffer */
buffer = gst_buffer_new ();
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_WRONG_STATE);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
fail_unless_equals_int (g_list_length (buffers), 0);
gst_buffer_unref (buffer);
/* adding a probe that returns FALSE will drop the buffer without trying
* to chain */
id = gst_pad_add_buffer_probe (src, (GCallback) _probe_handler,
GINT_TO_POINTER (0));
buffer = gst_buffer_new ();
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_OK);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
fail_unless_equals_int (g_list_length (buffers), 0);
gst_buffer_unref (buffer);
gst_pad_remove_buffer_probe (src, id);
/* adding a probe that returns TRUE will still chain the buffer,
* and hence drop because pad is flushing */
id = gst_pad_add_buffer_probe (src, (GCallback) _probe_handler,
GINT_TO_POINTER (1));
buffer = gst_buffer_new ();
gst_buffer_ref (buffer);
fail_unless (gst_pad_push (src, buffer) == GST_FLOW_WRONG_STATE);
ASSERT_MINI_OBJECT_REFCOUNT (buffer, "buffer", 1);
fail_unless_equals_int (g_list_length (buffers), 0);
gst_buffer_unref (buffer);
gst_pad_remove_buffer_probe (src, id);
/* cleanup */
ASSERT_CAPS_REFCOUNT (caps, "caps", 3);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
gst_pad_link (src, sink);
gst_object_unref (src);
gst_object_unref (sink);
ASSERT_CAPS_REFCOUNT (caps, "caps", 1);
gst_caps_unref (caps);
}
GST_END_TEST;
static GstBuffer *
buffer_from_string (const gchar * str)
{
@ -984,6 +1064,7 @@ gst_pad_suite (void)
tcase_add_test (tc_chain, test_name_is_valid);
tcase_add_test (tc_chain, test_push_unlinked);
tcase_add_test (tc_chain, test_push_linked);
tcase_add_test (tc_chain, test_push_linked_flushing);
tcase_add_test (tc_chain, test_push_buffer_list_compat);
tcase_add_test (tc_chain, test_flowreturn);
tcase_add_test (tc_chain, test_push_negotiation);