ext/cairo/gsttextoverlay.c: Add info about static leak.

Original commit message from CVS:
* ext/cairo/gsttextoverlay.c:
Add info about static leak.
* tests/check/Makefile.am:
* tests/check/generic/states.c:
Improved state change unit test.

ChangeLog

+2007-09-20  Stefan Kost  <ensonic@users.sf.net>
+
+	* ext/cairo/gsttextoverlay.c:
+	  Add info about static leak.
+	
+	* tests/check/Makefile.am:
+	* tests/check/generic/states.c:
+	  Improved state change unit test.
+
 2007-09-19  Stefan Kost  <ensonic@users.sf.net>
 
 	* docs/plugins/.cvsignore:

ext/cairo/gsttextoverlay.c

@@ -281,6 +281,9 @@ gst_text_overlay_font_init (GstCairoTextOverlay * overlay)
   cairo_select_font_face (cr, overlay->font, overlay->slant, overlay->weight);
   cairo_set_font_size (cr, overlay->scale);
 
+  /* this has a static leak:
+   * http://lists.freedesktop.org/archives/cairo/2007-May/010623.html
+   */
   cairo_font_extents (cr, &font_extents);
   overlay->font_height = GST_ROUND_UP_2 ((guint) font_extents.height);
   overlay->need_render = TRUE;

tests/check/Makefile.am

 include $(top_srcdir)/common/check.mak
 
-CHECK_REGISTRY = $(top_builddir)/tests/check/test-registry.xml
+CHECK_REGISTRY = $(top_builddir)/tests/check/test-registry.reg
 TEST_FILES_DIRECTORY = $(top_srcdir)/tests/files
 
 REGISTRY_ENVIRONMENT = \
@@ -11,10 +11,10 @@ TESTS_ENVIRONMENT = \
 	GST_PLUGIN_SYSTEM_PATH=					\
 	GST_PLUGIN_PATH=$(top_builddir)/gst:$(top_builddir)/ext:$(top_builddir)/sys:$(GSTPB_PLUGINS_DIR):$(GST_PLUGINS_DIR)			\
 	GST_TEST_FILES_PATH=$(TEST_FILES_DIRECTORY) \
-	STATE_IGNORE_ELEMENTS="aasink cacasink autovideosink gconfvideosink"
+	STATE_IGNORE_ELEMENTS="aasink autovideosink cacasink cairotextoverlay"
 
 # ths core dumps of some machines have PIDs appended
-CLEANFILES = core.* test-registry.xml
+CLEANFILES = core.* test-registry.*
 
 clean-local: clean-local-check
 
@@ -69,8 +69,8 @@ check_PROGRAMS = \
 	$(check_sunaudio) \
 	$(check_taglib) \
 	$(check_wavpack)
-    
-VALGRIND_TO_FIX =
+
+VALGRIND_TO_FIX = 
 
 TESTS = $(check_PROGRAMS)
 

tests/check/generic/states.c

@@ -28,15 +28,17 @@
 
 #include <gst/check/gstcheck.h>
 
-GST_START_TEST (test_state_changes)
+static GList *elements = NULL;
+
+static void
+setup ()
 {
-  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);
+  GST_DEBUG ("getting elements for package %s", PACKAGE);
   STATE_IGNORE_ELEMENTS = g_getenv ("STATE_IGNORE_ELEMENTS");
   if (STATE_IGNORE_ELEMENTS) {
     GST_DEBUG ("Will ignore element factories: '%s'", STATE_IGNORE_ELEMENTS);
@@ -76,26 +78,8 @@ GST_START_TEST (test_state_changes)
           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_DEBUG ("adding element %s", name);
+      elements = g_list_prepend (elements, (gpointer) g_strdup (name));
     }
     gst_plugin_feature_list_free (features);
   }
@@ -103,8 +87,123 @@ GST_START_TEST (test_state_changes)
   g_strfreev (ignorelist);
 }
 
+static void
+teardown ()
+{
+  GList *e;
+
+  for (e = elements; e; e = e->next) {
+    g_free (e->data);
+  }
+  g_list_free (elements);
+  elements = NULL;
+}
+
+
+GST_START_TEST (test_state_changes_up_and_down_seq)
+{
+  GstElement *element;
+  GList *e;
+
+  for (e = elements; e; e = e->next) {
+    const gchar *name = e->data;
+
+    GST_INFO ("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_END_TEST;
+
+GST_START_TEST (test_state_changes_up_seq)
+{
+  GstElement *element;
+  GList *e;
+
+  for (e = elements; e; e = e->next) {
+    const gchar *name = e->data;
+
+    GST_INFO ("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_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_object_unref (GST_OBJECT (element));
+  }
+}
+
+GST_END_TEST;
+
+GST_START_TEST (test_state_changes_down_seq)
+{
+  GstElement *element;
+  GList *e;
+
+  for (e = elements; e; e = e->next) {
+    const gchar *name = e->data;
+
+    GST_INFO ("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_PLAYING);
+
+    gst_element_set_state (element, GST_STATE_PAUSED);
+    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_object_unref (GST_OBJECT (element));
+  }
+}
+
 GST_END_TEST;
 
+
 Suite *
 states_suite (void)
 {
@@ -112,7 +211,10 @@ states_suite (void)
   TCase *tc_chain = tcase_create ("general");
 
   suite_add_tcase (s, tc_chain);
-  tcase_add_test (tc_chain, test_state_changes);
+  tcase_add_checked_fixture (tc_chain, setup, teardown);
+  tcase_add_test (tc_chain, test_state_changes_up_and_down_seq);
+  tcase_add_test (tc_chain, test_state_changes_up_seq);
+  tcase_add_test (tc_chain, test_state_changes_down_seq);
 
   return s;
 }