tests/check/: Add generic state-change test suite to help to fi leaks.

Original commit message from CVS:
* tests/check/Makefile.am:
* tests/check/generic/.cvsignore:
* tests/check/generic/states.c:
Add generic state-change test suite to help to fi leaks.

ChangeLog

@@ -1,3 +1,10 @@
+2007-08-16  Stefan Kost  <ensonic@users.sf.net>
+
+	* tests/check/Makefile.am:
+	* tests/check/generic/.cvsignore:
+	* tests/check/generic/states.c:
+	  Add generic state-change test suite to help to fi leaks.
+
 2007-08-15  Stefan Kost  <ensonic@users.sf.net>
 
 	* ext/timidity/gstwildmidi.c:

tests/check/Makefile.am

@@ -53,6 +53,7 @@ VALGRIND_TESTS_DISABLE = \
 	$(VALGRIND_TO_FIX)
 
 check_PROGRAMS = \
+	generic/states \
 	$(check_mpeg2enc)  \
 	$(check_neon)      \
 	$(check_timidity)  \

tests/check/generic/.gitignore

@@ -0,0 +1,2 @@
+.dirstamp
+states

tests/check/generic/states.c

@@ -0,0 +1,120 @@
+/* GStreamer
+ *
+ * unit test for state changes on all elements
+ *
+ * Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#  include "config.h"
+#endif
+
+#include <unistd.h>
+
+#include <gst/check/gstcheck.h>
+
+GST_START_TEST (test_state_changes)
+{
+  GstElement *element;
+  GList *features, *f;
+  GList *plugins, *p;
+  gchar **ignorelist = NULL;
+  const gchar *STATE_IGNORE_ELEMENTS = NULL;
+
+  GST_DEBUG ("testing elements from source %s", PACKAGE);
+  STATE_IGNORE_ELEMENTS = g_getenv ("STATE_IGNORE_ELEMENTS");
+  if (STATE_IGNORE_ELEMENTS) {
+    GST_DEBUG ("Will ignore element factories: '%s'", STATE_IGNORE_ELEMENTS);
+    ignorelist = g_strsplit (STATE_IGNORE_ELEMENTS, " ", 0);
+  }
+
+  plugins = gst_registry_get_plugin_list (gst_registry_get_default ());
+
+  for (p = plugins; p; p = p->next) {
+    GstPlugin *plugin = p->data;
+
+    if (strcmp (gst_plugin_get_source (plugin), PACKAGE) != 0)
+      continue;
+
+    features =
+        gst_registry_get_feature_list_by_plugin (gst_registry_get_default (),
+        gst_plugin_get_name (plugin));
+
+    for (f = features; f; f = f->next) {
+      GstPluginFeature *feature = f->data;
+      const gchar *name = gst_plugin_feature_get_name (feature);
+      gboolean ignore = FALSE;
+
+      if (!GST_IS_ELEMENT_FACTORY (feature))
+        continue;
+
+      if (ignorelist) {
+        gchar **s;
+
+        for (s = ignorelist; s && *s; ++s) {
+          if (g_str_has_prefix (name, *s)) {
+            GST_DEBUG ("ignoring element %s", name);
+            ignore = TRUE;
+          }
+        }
+        if (ignore)
+          continue;
+      }
+
+      GST_DEBUG ("testing element %s", name);
+      element = gst_element_factory_make (name, name);
+      fail_if (element == NULL, "Could not make element from factory %s", name);
+
+      if (GST_IS_PIPELINE (element)) {
+        GST_DEBUG ("element %s is a pipeline", name);
+      }
+
+      gst_element_set_state (element, GST_STATE_READY);
+      gst_element_set_state (element, GST_STATE_PAUSED);
+      gst_element_set_state (element, GST_STATE_PLAYING);
+      gst_element_set_state (element, GST_STATE_PAUSED);
+      gst_element_set_state (element, GST_STATE_READY);
+      gst_element_set_state (element, GST_STATE_NULL);
+      gst_element_set_state (element, GST_STATE_PAUSED);
+      gst_element_set_state (element, GST_STATE_READY);
+      gst_element_set_state (element, GST_STATE_PLAYING);
+      gst_element_set_state (element, GST_STATE_PAUSED);
+      gst_element_set_state (element, GST_STATE_NULL);
+      gst_object_unref (GST_OBJECT (element));
+    }
+    gst_plugin_feature_list_free (features);
+  }
+  gst_plugin_list_free (plugins);
+  g_strfreev (ignorelist);
+}
+
+GST_END_TEST;
+
+Suite *
+states_suite (void)
+{
+  Suite *s = suite_create ("states");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+  tcase_add_test (tc_chain, test_state_changes);
+
+  return s;
+}
+
+GST_CHECK_MAIN (states);