gstreamer/tests/check/gst/gstbin.c

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/* GStreamer
* Copyright (C) 2005 Wim Taymans <wim@fluendo.com>
* Copyright (C) 2005 Thomas Vander Stichele <thomas at apestaart dot org>
*
* gstbin.c: Unit test for GstBin
*
* 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"
GST_START_TEST (test_interface)
{
GstBin *bin, *bin2;
GstElement *filesrc;
GstIterator *it;
gpointer item;
bin = GST_BIN (gst_bin_new (NULL));
fail_unless (bin != NULL, "Could not create bin");
filesrc = gst_element_factory_make ("filesrc", NULL);
fail_unless (filesrc != NULL, "Could not create filesrc");
fail_unless (GST_IS_URI_HANDLER (filesrc), "Filesrc not a URI handler");
gst_bin_add (bin, filesrc);
fail_unless (gst_bin_get_by_interface (bin, GST_TYPE_URI_HANDLER) == filesrc);
it = gst_bin_iterate_all_by_interface (bin, GST_TYPE_URI_HANDLER);
fail_unless (it != NULL);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
fail_unless (item == (gpointer) filesrc);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_DONE);
gst_iterator_free (it);
gst_bin_add_many (bin,
gst_element_factory_make ("identity", NULL),
gst_element_factory_make ("identity", NULL),
gst_element_factory_make ("identity", NULL), NULL);
fail_unless (gst_bin_get_by_interface (bin, GST_TYPE_URI_HANDLER) == filesrc);
it = gst_bin_iterate_all_by_interface (bin, GST_TYPE_URI_HANDLER);
fail_unless (it != NULL);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
fail_unless (item == (gpointer) filesrc);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_DONE);
gst_iterator_free (it);
bin2 = bin;
bin = GST_BIN (gst_bin_new (NULL));
fail_unless (bin != NULL);
gst_bin_add_many (bin,
gst_element_factory_make ("identity", NULL),
gst_element_factory_make ("identity", NULL),
GST_ELEMENT (bin2), gst_element_factory_make ("identity", NULL), NULL);
fail_unless (gst_bin_get_by_interface (bin, GST_TYPE_URI_HANDLER) == filesrc);
it = gst_bin_iterate_all_by_interface (bin, GST_TYPE_URI_HANDLER);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
fail_unless (item == (gpointer) filesrc);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_DONE);
gst_iterator_free (it);
gst_bin_add (bin, gst_element_factory_make ("filesrc", NULL));
gst_bin_add (bin2, gst_element_factory_make ("filesrc", NULL));
it = gst_bin_iterate_all_by_interface (bin, GST_TYPE_URI_HANDLER);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_OK);
fail_unless (gst_iterator_next (it, &item) == GST_ITERATOR_DONE);
gst_iterator_free (it);
gst_object_unref (bin);
}
GST_END_TEST;
GST_START_TEST (test_message_state_changed)
{
GstBin *bin;
GstBus *bus;
GstMessage *message;
bin = GST_BIN (gst_bin_new (NULL));
fail_unless (bin != NULL, "Could not create bin");
ASSERT_OBJECT_REFCOUNT (bin, "bin", 1);
bus = GST_ELEMENT_BUS (bin);
/* change state, spawning a message, causing an incref on the bin */
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_READY);
ASSERT_OBJECT_REFCOUNT (bin, "bin", 2);
/* get and unref the message, causing a decref on the bin */
fail_unless (gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED,
-1) == GST_MESSAGE_STATE_CHANGED,
"did not get GST_MESSAGE_STATE_CHANGED");
message = gst_bus_pop (bus);
gst_message_unref (message);
ASSERT_OBJECT_REFCOUNT (bin, "bin", 1);
/* clean up */
gst_object_unref (bin);
}
GST_END_TEST;
GST_START_TEST (test_message_state_changed_child)
{
GstBin *bin;
GstElement *src;
GstBus *bus;
GstMessage *message;
bin = GST_BIN (gst_bin_new (NULL));
fail_unless (bin != NULL, "Could not create bin");
ASSERT_OBJECT_REFCOUNT (bin, "bin", 1);
src = gst_element_factory_make ("fakesrc", NULL);
fail_if (src == NULL, "Could not create fakesrc");
gst_bin_add (bin, src);
ASSERT_OBJECT_REFCOUNT (bin, "bin", 1);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
bus = GST_ELEMENT_BUS (bin);
/* change state, spawning three messages:
* - first for fakesrc, causing incref on fakesrc
* - then two on bin, causing an incref on the bin */
GST_DEBUG ("setting bin to READY");
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_READY);
ASSERT_OBJECT_REFCOUNT (src, "src", 2);
ASSERT_OBJECT_REFCOUNT (bin, "bin", 2);
/* get and unref the message, causing a decref on the src */
fail_unless (gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, -1)
== GST_MESSAGE_STATE_CHANGED, "did not get GST_MESSAGE_STATE_CHANGED");
message = gst_bus_pop (bus);
gst_message_unref (message);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (bin, "bin", 2);
/* get and unref message 2, causing a decref on the bin */
fail_unless (gst_bus_poll (bus, GST_MESSAGE_STATE_CHANGED, -1)
== GST_MESSAGE_STATE_CHANGED, "did not get GST_MESSAGE_STATE_CHANGED");
message = gst_bus_pop (bus);
gst_message_unref (message);
ASSERT_OBJECT_REFCOUNT (src, "src", 1);
ASSERT_OBJECT_REFCOUNT (bin, "bin", 1);
/* clean up */
gst_object_unref (bin);
}
GST_END_TEST;
Suite *
gst_bin_suite (void)
{
Suite *s = suite_create ("GstBin");
TCase *tc_chain = tcase_create ("bin tests");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_interface);
tcase_add_test (tc_chain, test_message_state_changed);
tcase_add_test (tc_chain, test_message_state_changed_child);
return s;
}
int
main (int argc, char **argv)
{
int nf;
Suite *s = gst_bin_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;
}