--- /dev/null
+/* GStreamer
+ *
+ * Copyright (C) 2014 William Manley <will@williammanley.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., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <gio/gio.h>
+#include <gst/check/gstcheck.h>
+#include <gst/app/gstappsink.h>
+#include <gst/app/gstappsrc.h>
+
+typedef struct
+{
+ GstElement *sink;
+ GstElement *src;
+
+ GstPipeline *sink_pipeline;
+ GstPipeline *src_pipeline;
+ GstAppSrc *sink_src;
+ GstAppSink *src_sink;
+} SymmetryTest;
+
+static void
+symmetry_test_setup (SymmetryTest * st, GstElement * sink, GstElement * src)
+{
+ GstCaps *caps;
+ st->sink = sink;
+ g_object_set (sink, "sync", FALSE, NULL);
+ st->src = src;
+
+ st->sink_pipeline = GST_PIPELINE (gst_pipeline_new (NULL));
+ st->src_pipeline = GST_PIPELINE (gst_pipeline_new (NULL));
+
+ st->sink_src = GST_APP_SRC (gst_element_factory_make ("appsrc", NULL));
+ fail_unless (st->sink_src != NULL);
+ caps = gst_caps_from_string ("application/x-gst-check");
+ gst_app_src_set_caps (st->sink_src, caps);
+ gst_caps_unref (caps);
+
+ gst_bin_add_many (GST_BIN (st->sink_pipeline), GST_ELEMENT (st->sink_src),
+ st->sink, NULL);
+ fail_unless (gst_element_link_many (GST_ELEMENT (st->sink_src), st->sink,
+ NULL));
+
+ st->src_sink = GST_APP_SINK (gst_element_factory_make ("appsink", NULL));
+ fail_unless (st->src_sink != NULL);
+ gst_bin_add_many (GST_BIN (st->src_pipeline), st->src,
+ GST_ELEMENT (st->src_sink), NULL);
+ fail_unless (gst_element_link_many (st->src, GST_ELEMENT (st->src_sink),
+ NULL));
+
+ gst_element_set_state (GST_ELEMENT (st->sink_pipeline), GST_STATE_PLAYING);
+ gst_element_set_state (GST_ELEMENT (st->src_pipeline), GST_STATE_PLAYING);
+}
+
+static void
+symmetry_test_teardown (SymmetryTest * st)
+{
+ fail_unless (gst_element_set_state (GST_ELEMENT (st->sink_pipeline),
+ GST_STATE_NULL) != GST_STATE_CHANGE_FAILURE);
+ fail_unless (gst_element_set_state (GST_ELEMENT (st->src_pipeline),
+ GST_STATE_NULL) != GST_STATE_CHANGE_FAILURE);
+
+ gst_object_unref (st->sink_pipeline);
+ gst_object_unref (st->src_pipeline);
+
+ memset (st, 0, sizeof (*st));
+}
+
+static void
+symmetry_test_assert_passthrough (SymmetryTest * st, GstBuffer * in)
+{
+ gpointer copy;
+ gsize data_size;
+ GstSample *out;
+
+ gst_buffer_extract_dup (in, 0, -1, ©, &data_size);
+
+ fail_unless (gst_app_src_push_buffer (st->sink_src, in) == GST_FLOW_OK);
+ in = NULL;
+ out = gst_app_sink_pull_sample (st->src_sink);
+ fail_unless (out != NULL);
+
+ fail_unless (gst_buffer_get_size (gst_sample_get_buffer (out)) == data_size);
+ fail_unless (gst_buffer_memcmp (gst_sample_get_buffer (out), 0, copy,
+ data_size) == 0);
+ g_free (copy);
+ gst_sample_unref (out);
+}
+
+
+GST_START_TEST (test_that_tcpclientsink_and_tcpserversrc_are_symmetrical)
+{
+ SymmetryTest st = { 0 };
+ GstElement *serversrc = gst_check_setup_element ("tcpserversrc");
+
+ gst_element_set_state (serversrc, GST_STATE_PAUSED);
+ symmetry_test_setup (&st, gst_check_setup_element ("tcpclientsink"),
+ serversrc);
+
+ symmetry_test_assert_passthrough (&st,
+ gst_buffer_new_wrapped (g_strdup ("hello"), 5));
+
+ symmetry_test_teardown (&st);
+}
+
+GST_END_TEST;
+
+
+GST_START_TEST (test_that_tcpserversink_and_tcpclientsrc_are_symmetrical)
+{
+ SymmetryTest st = { 0 };
+
+ symmetry_test_setup (&st, gst_check_setup_element ("tcpserversink"),
+ gst_check_setup_element ("tcpclientsrc"));
+
+ symmetry_test_assert_passthrough (&st,
+ gst_buffer_new_wrapped (g_strdup ("hello"), 5));
+ symmetry_test_teardown (&st);
+}
+
+GST_END_TEST;
+
+static Suite *
+socketintegrationtest_suite (void)
+{
+ Suite *s = suite_create ("socketintegrationtest");
+ TCase *tc_chain = tcase_create ("general");
+
+ suite_add_tcase (s, tc_chain);
+ tcase_add_test (tc_chain,
+ test_that_tcpclientsink_and_tcpserversrc_are_symmetrical);
+ tcase_add_test (tc_chain,
+ test_that_tcpserversink_and_tcpclientsrc_are_symmetrical);
+
+ return s;
+}
+
+GST_CHECK_MAIN (socketintegrationtest);