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/* GStreamer
* Copyright (C) 2005 Wim Taymans <wim@fluendo.com>
*
* gstghostpad.c: Unit test for GstGhostPad
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "../gstcheck.h"
static void
assert_gstrefcount (gpointer p, gint i)
{
if (GST_OBJECT_REFCOUNT_VALUE (p) != i)
g_critical ("Expected refcount %d for %s, got %d", i, GST_OBJECT_NAME (p),
GST_OBJECT_REFCOUNT_VALUE (p));
}
START_TEST (test_ghost_pads)
{
GstElement *b1, *b2, *src, *i1, *sink;
GstPad *gsink, *gsrc, *gisrc, *gisink, *isink, *isrc, *fsrc, *fsink;
b1 = gst_element_factory_make ("pipeline", NULL);
b2 = gst_element_factory_make ("bin", NULL);
src = gst_element_factory_make ("fakesrc", NULL);
g_object_set (src, "num-buffers", (int) 10, NULL);
i1 = gst_element_factory_make ("identity", NULL);
sink = gst_element_factory_make ("fakesink", NULL);
fail_unless (gst_bin_add (GST_BIN (b2), i1));
fail_unless (gst_bin_add (GST_BIN (b1), src));
fail_unless (gst_bin_add (GST_BIN (b1), b2));
fail_unless (gst_bin_add (GST_BIN (b1), sink));
fail_unless (gst_element_link_pads (src, NULL, i1, NULL));
fail_unless (gst_element_link_pads (i1, NULL, sink, NULL));
GST_LOCK (b2);
fail_unless (b2->numsinkpads == 1);
fail_unless (GST_IS_GHOST_PAD (b2->sinkpads->data));
fail_unless (b2->numsrcpads == 1);
fail_unless (GST_IS_GHOST_PAD (b2->srcpads->data));
GST_UNLOCK (b2);
fsrc = gst_element_get_pad (src, "src");
fail_unless (fsrc != NULL);
gsink = GST_PAD (gst_object_ref (b2->sinkpads->data));
fail_unless (gsink != NULL);
gsrc = GST_PAD (gst_object_ref (b2->srcpads->data));
fail_unless (gsrc != NULL);
fsink = gst_element_get_pad (sink, "sink");
fail_unless (fsink != NULL);
isink = gst_element_get_pad (i1, "sink");
fail_unless (isink != NULL);
isrc = gst_element_get_pad (i1, "src");
fail_unless (isrc != NULL);
gisrc = gst_pad_get_peer (isink);
fail_unless (gisrc != NULL);
gisink = gst_pad_get_peer (isrc);
fail_unless (gisink != NULL);
/* all objects above have one refcount owned by us as well */
assert_gstrefcount (fsrc, 3); /* parent and gisrc */
assert_gstrefcount (gsink, 2); /* parent */
assert_gstrefcount (gsrc, 2); /* parent */
assert_gstrefcount (fsink, 3); /* parent and gisink */
assert_gstrefcount (gisrc, 2); /* parent */
assert_gstrefcount (isink, 3); /* parent and gsink */
assert_gstrefcount (gisink, 2); /* parent */
assert_gstrefcount (isrc, 3); /* parent and gsrc */
fail_unless (gst_element_set_state (b1,
GST_STATE_PLAYING) == GST_STATE_SUCCESS);
fail_unless (gst_element_set_state (b1, GST_STATE_NULL) == GST_STATE_SUCCESS);
gst_object_unref (b1);
/* unreffing the bin will unref all elements, which will unlink and unparent
* all pads */
/* FIXME: ghost pads need to drop their internal pad in the unlink function,
* but can't right now. So internal pads have a ref from their parent, and the
* internal pads' targets have refs from the internals. When we do the last
* unref on the ghost pads, these refs should go away.
*/
assert_gstrefcount (fsrc, 2); /* gisrc */
assert_gstrefcount (gsink, 1);
assert_gstrefcount (gsrc, 1);
assert_gstrefcount (fsink, 2); /* gisink */
assert_gstrefcount (gisrc, 2); /* gsink -- fixme drop ref in unlink */
assert_gstrefcount (isink, 2); /* gsink */
assert_gstrefcount (gisink, 2); /* gsrc -- fixme drop ref in unlink */
assert_gstrefcount (isrc, 2); /* gsrc */
/* while the fixme isn't fixed, check cleanup */
gst_object_unref (gsink);
assert_gstrefcount (isink, 1);
assert_gstrefcount (gisrc, 1);
assert_gstrefcount (fsrc, 2); /* gisrc */
gst_object_unref (gisrc);
assert_gstrefcount (fsrc, 1);
gst_object_unref (gsrc);
assert_gstrefcount (isrc, 1);
assert_gstrefcount (gisink, 1);
assert_gstrefcount (fsink, 2); /* gisrc */
gst_object_unref (gisink);
assert_gstrefcount (fsink, 1);
}
END_TEST Suite *
gst_ghost_pad_suite (void)
{
Suite *s = suite_create ("GstGhostPad");
TCase *tc_chain = tcase_create ("ghost pad tests");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_ghost_pads);
return s;
}
int
main (int argc, char **argv)
{
int nf;
Suite *s = gst_ghost_pad_suite ();
SRunner *sr = srunner_create (s);
gst_check_init (&argc, &argv);
srunner_run_all (sr, CK_NORMAL);
nf = srunner_ntests_failed (sr);
srunner_free (sr);
return nf;
}
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