--- /dev/null
+/* GStreamer unit test for queue
+ *
+ * Copyright (C) 2007 Tim-Philipp Müller <tim centricular net>
+ * Copyright (C) 2009 Mark Nauwelaerts <mnauw users sourceforge net>
+ *
+ * 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 <gst/check/gstcheck.h>
+
+#include <gst/gst.h>
+
+static gboolean
+modify_caps (GstObject * pad, GstEvent * event, gpointer data)
+{
+ GstElement *filter = GST_ELEMENT (data);
+ GstCaps *caps;
+
+ fail_unless (event != NULL);
+ fail_unless (GST_IS_EVENT (event));
+
+ if (GST_EVENT_TYPE (event) != GST_EVENT_EOS)
+ return TRUE;
+
+ /* trigger caps negotiation error */
+ caps = gst_caps_new_simple ("video/x-raw-rgb", NULL);
+ g_object_set (filter, "caps", caps, NULL);
+ gst_caps_unref (caps);
+
+ return TRUE;
+}
+
+GST_START_TEST (test_queue)
+{
+ GstStateChangeReturn state_ret;
+ GstMessage *msg;
+ GstElement *pipeline, *filter, *queue;
+ GstBus *bus;
+ GstPad *pad;
+ guint probe;
+ gchar *pipe_desc =
+ g_strdup_printf ("fakesrc num-buffers=1 ! video/x-raw-yuv ! "
+ "queue min-threshold-buffers=2 name=queue ! "
+ "capsfilter name=nasty ! fakesink");
+
+ pipeline = gst_parse_launch (pipe_desc, NULL);
+ fail_unless (pipeline != NULL);
+ g_free (pipe_desc);
+
+ filter = gst_bin_get_by_name (GST_BIN (pipeline), "nasty");
+ fail_unless (filter != NULL);
+
+ /* queue waits for all data and EOS to arrive */
+ /* then probe forces downstream element to return negotiation error */
+ queue = gst_bin_get_by_name (GST_BIN (pipeline), "queue");
+ fail_unless (queue != NULL);
+ pad = gst_element_get_static_pad (queue, "sink");
+ fail_unless (pad != NULL);
+ probe = gst_pad_add_event_probe (pad, G_CALLBACK (modify_caps), filter);
+
+ bus = gst_element_get_bus (pipeline);
+
+ state_ret = gst_element_set_state (pipeline, GST_STATE_PLAYING);
+ fail_unless (state_ret != GST_STATE_CHANGE_FAILURE);
+
+ msg = gst_bus_poll (bus, GST_MESSAGE_ERROR | GST_MESSAGE_EOS, 5 * GST_SECOND);
+ fail_unless (msg != NULL, "timeout waiting for error or eos message");;
+
+ gst_message_unref (msg);
+ gst_object_unref (bus);
+
+ fail_unless_equals_int (gst_element_set_state (pipeline, GST_STATE_NULL),
+ GST_STATE_CHANGE_SUCCESS);
+
+ gst_pad_remove_event_probe (pad, probe);
+ gst_object_unref (queue);
+ gst_object_unref (pad);
+ gst_object_unref (filter);
+ gst_object_unref (pipeline);
+}
+
+GST_END_TEST;
+
+static Suite *
+queue_suite (void)
+{
+ Suite *s = suite_create ("queue");
+ TCase *tc_chain = tcase_create ("general");
+
+ suite_add_tcase (s, tc_chain);
+ tcase_add_test (tc_chain, test_queue);
+
+ return s;
+}
+
+GST_CHECK_MAIN (queue)