tests/check/: Add minimal unit test for beforementioned GstTagSetter bug.

Original commit message from CVS:
* tests/check/Makefile.am:
* tests/check/gst/.cvsignore:
* tests/check/gst/gsttagsetter.c: (gst_dummy_enc_add_interfaces),
(gst_dummy_enc_base_init), (gst_dummy_enc_class_init),
(gst_dummy_enc_init), (tag_list_foreach), (tag_setter_list_length),
(GST_START_TEST), (gst_tag_setter_suite):
Add minimal unit test for beforementioned GstTagSetter bug.

ChangeLog

@@ -1,4 +1,14 @@
-2007-01-11  Tim-Philipp Müller  <tim at centricular dot net>
+2007-01-12  Tim-Philipp Müller  <tim at centricular dot net>
+
+	* tests/check/Makefile.am:
+	* tests/check/gst/.cvsignore:
+	* tests/check/gst/gsttagsetter.c: (gst_dummy_enc_add_interfaces),
+	(gst_dummy_enc_base_init), (gst_dummy_enc_class_init),
+	(gst_dummy_enc_init), (tag_list_foreach), (tag_setter_list_length),
+	(GST_START_TEST), (gst_tag_setter_suite):
+	  Add minimal unit test for beforementioned GstTagSetter bug.
+
+2007-01-12  Tim-Philipp Müller  <tim at centricular dot net>
 
 	Patch by: René Stadler <mail at renestadler dot de>
 

tests/check/Makefile.am

@@ -79,6 +79,7 @@ check_PROGRAMS =					\
 	gst/gstsystemclock			\
 	gst/gststructure				\
 	gst/gsttag				\
+	gst/gsttagsetter		\
 	gst/gsttask				\
 	gst/gstvalue				\
 	$(LOADSAVE_CHECKS)          		\

tests/check/gst/.gitignore

@@ -21,6 +21,7 @@ gstsegment
 gststructure
 gstsystemclock
 gsttag
+gsttagsetter
 gstutils
 gstvalue
 gstquery

tests/check/gst/gsttagsetter.c

@@ -0,0 +1,132 @@
+/* GStreamer GstTagSetter interface unit tests
+ * Copyright (C) 2007 Tim-Philipp Müller <tim centricular 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>
+#include <string.h>
+
+/* some minimal GstTagSetter object */
+#define GST_TYPE_DUMMY_ENC gst_dummy_enc_get_type()
+
+typedef GstElement GstDummyEnc;
+typedef GstElementClass GstDummyEncClass;
+
+static void gst_dummy_enc_add_interfaces (GType enc_type);
+
+GST_BOILERPLATE_FULL (GstDummyEnc, gst_dummy_enc, GstElement,
+    GST_TYPE_ELEMENT, gst_dummy_enc_add_interfaces);
+
+static void
+gst_dummy_enc_add_interfaces (GType enc_type)
+{
+  static const GInterfaceInfo tag_setter_info = { NULL, NULL, NULL };
+
+  g_type_add_interface_static (enc_type, GST_TYPE_TAG_SETTER, &tag_setter_info);
+}
+
+static void
+gst_dummy_enc_base_init (gpointer g_class)
+{
+}
+
+static void
+gst_dummy_enc_class_init (GstDummyEncClass * klass)
+{
+}
+
+static void
+gst_dummy_enc_init (GstDummyEnc * enc, GstDummyEncClass * klass)
+{
+}
+
+static void
+tag_list_foreach (const GstTagList * taglist, const gchar * tag, guint * p_num)
+{
+  guint tag_size;
+
+  tag_size = gst_tag_list_get_tag_size (taglist, tag);
+  GST_LOG ("%u+%u tag = %s", *p_num, tag_size, tag);
+  *p_num += tag_size;
+}
+
+static guint
+tag_setter_list_length (GstTagSetter * setter)
+{
+  guint len = 0;
+
+  gst_tag_list_foreach (gst_tag_setter_get_tag_list (setter),
+      (GstTagForeachFunc) tag_list_foreach, &len);
+  return len;
+}
+
+#define assert_tag_setter_list_length(setter,len) \
+    fail_unless_equals_int (tag_setter_list_length(setter), len);
+
+GST_START_TEST (test_merge)
+{
+  GstTagSetter *setter;
+  GstTagList *list1, *list2;
+  GstElement *enc;
+
+  enc = g_object_new (GST_TYPE_DUMMY_ENC, NULL);
+  fail_unless (enc != NULL);
+
+  setter = GST_TAG_SETTER (enc);
+
+  list1 = gst_tag_list_new ();
+  gst_tag_list_add (list1, GST_TAG_MERGE_APPEND, GST_TAG_ARTIST, "artist1",
+      NULL);
+  gst_tag_setter_merge_tags (setter, list1, GST_TAG_MERGE_APPEND);
+  assert_tag_setter_list_length (setter, 1);
+
+  list2 = gst_tag_list_new ();
+  gst_tag_list_add (list2, GST_TAG_MERGE_APPEND, GST_TAG_ARTIST, "artist2",
+      GST_TAG_TITLE, "title1", NULL);
+  gst_tag_setter_merge_tags (setter, list2, GST_TAG_MERGE_APPEND);
+  assert_tag_setter_list_length (setter, 3);
+
+  gst_tag_setter_merge_tags (setter, list2, GST_TAG_MERGE_REPLACE_ALL);
+  assert_tag_setter_list_length (setter, 2);
+
+  gst_tag_setter_merge_tags (setter, list1, GST_TAG_MERGE_REPLACE_ALL);
+  assert_tag_setter_list_length (setter, 1);
+
+  gst_tag_setter_add_tags (setter, GST_TAG_MERGE_APPEND, GST_TAG_ALBUM, "xyz",
+      NULL);
+  assert_tag_setter_list_length (setter, 2);
+
+  gst_tag_list_free (list2);
+  gst_tag_list_free (list1);
+
+  g_object_unref (enc);
+}
+
+GST_END_TEST static Suite *
+gst_tag_setter_suite (void)
+{
+  Suite *s = suite_create ("GstTagSetter");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+  tcase_add_test (tc_chain, test_merge);
+
+  return s;
+}
+
+GST_CHECK_MAIN (gst_tag_setter);