tests: add new test for intersection of lazy caps

This does intersections of intersections to test lazycaps.

1 files changed, 130 insertions, 0 deletions

diff --git a/tests/check/gst/gstcaps.c b/tests/check/gst/gstcaps.c
index 6fb35e1ea..6dccf1c57 100644
--- a/tests/check/gst/gstcaps.c
+++ b/tests/check/gst/gstcaps.c
@@ -728,6 +728,134 @@ GST_START_TEST (test_intersect2)
 
 GST_END_TEST;
 
+
+GST_START_TEST (test_intersect3)
+{
+  GstStructure *s;
+  GstCaps *c1, *c2, *c3, *c4, *ci1, *ci2, *ci3;
+
+  c1 = gst_caps_from_string ("a;b;c;d");
+  c2 = gst_caps_from_string ("b;d");
+  c3 = gst_caps_from_string ("b;e");
+  c4 = gst_caps_from_string ("b");
+
+
+  /* intersect normal caps and check that we get lazy caps */
+  ci1 = gst_caps_intersect (c1, c2);
+  fail_unless (ci1->structs->len == 0, NULL);
+  GST_DEBUG ("intersected: %" GST_PTR_FORMAT, ci1);
+  fail_unless (gst_caps_get_size (ci1) == 2, NULL);
+  s = gst_caps_get_structure (ci1, 0);
+  fail_unless (gst_structure_has_name (s, "b"));
+  s = gst_caps_get_structure (ci1, 1);
+  fail_unless (gst_structure_has_name (s, "d"));
+  gst_caps_unref (ci1);
+
+  fail_unless (gst_caps_can_intersect (c1, c2), NULL);
+
+
+  /* intersect normal caps and check that we get lazy caps */
+  ci1 = gst_caps_intersect (c2, c1);
+  fail_unless (ci1->structs->len == 0, NULL);
+  GST_DEBUG ("intersected: %" GST_PTR_FORMAT, ci1);
+  fail_unless (gst_caps_get_size (ci1) == 2, NULL);
+  s = gst_caps_get_structure (ci1, 0);
+  fail_unless (gst_structure_has_name (s, "b"));
+  s = gst_caps_get_structure (ci1, 1);
+  fail_unless (gst_structure_has_name (s, "d"));
+  gst_caps_unref (ci1);
+
+  fail_unless (gst_caps_can_intersect (c2, c1), NULL);
+
+
+  /* intersect normal caps and check that we get lazy caps  */
+  ci1 = gst_caps_intersect (c1, c3);
+  fail_unless (ci1->structs->len == 0, NULL);
+  GST_DEBUG ("intersected: %" GST_PTR_FORMAT, ci1);
+  fail_unless (gst_caps_get_size (ci1) == 1, NULL);
+  s = gst_caps_get_structure (ci1, 0);
+  fail_unless (gst_structure_has_name (s, "b"));
+  gst_caps_unref (ci1);
+
+  fail_unless (gst_caps_can_intersect (c1, c3), NULL);
+
+
+  /* intersect lazy and normal caps */
+  ci1 = gst_caps_intersect (c1, c2);
+  ci2 = gst_caps_intersect (ci1, c4);
+  fail_unless (ci2->structs->len == 0, NULL);
+  GST_DEBUG ("intersected: %" GST_PTR_FORMAT, ci2);
+  fail_unless (gst_caps_get_size (ci2) == 1, NULL);
+  s = gst_caps_get_structure (ci2, 0);
+  fail_unless (gst_structure_has_name (s, "b"));
+  gst_caps_unref (ci2);
+  gst_caps_unref (ci1);
+
+  ci1 = gst_caps_intersect (c1, c2);
+  fail_unless (gst_caps_can_intersect (ci1, c4), NULL);
+  gst_caps_unref (ci1);
+
+  ci1 = gst_caps_intersect (c1, c2);
+  ci2 = gst_caps_intersect (c4, ci1);
+  fail_unless (ci2->structs->len == 0, NULL);
+  GST_DEBUG ("intersected: %" GST_PTR_FORMAT, ci2);
+  fail_unless (gst_caps_get_size (ci2) == 1, NULL);
+  s = gst_caps_get_structure (ci2, 0);
+  fail_unless (gst_structure_has_name (s, "b"));
+  gst_caps_unref (ci2);
+  gst_caps_unref (ci1);
+
+  ci1 = gst_caps_intersect (c1, c2);
+  fail_unless (gst_caps_can_intersect (c4, ci1), NULL);
+  gst_caps_unref (ci1);
+
+
+  /* intersect lazy caps */
+  ci1 = gst_caps_intersect (c1, c2);
+  ci2 = gst_caps_intersect (c1, c3);
+  //GST_DEBUG ("intersecting: %" GST_PTR_FORMAT " and %" GST_PTR_FORMAT, ci1, ci2);
+  ci3 = gst_caps_intersect (ci1, ci2);
+  fail_unless (ci3->structs->len == 0, NULL);
+  GST_DEBUG ("intersected: %" GST_PTR_FORMAT, ci3);
+  fail_unless (gst_caps_get_size (ci3) == 1, NULL);
+  s = gst_caps_get_structure (ci3, 0);
+  fail_unless (gst_structure_has_name (s, "b"));
+  gst_caps_unref (ci3);
+  gst_caps_unref (ci2);
+  gst_caps_unref (ci1);
+
+  ci1 = gst_caps_intersect (c1, c2);
+  ci2 = gst_caps_intersect (c1, c3);
+  fail_unless (gst_caps_can_intersect (ci1, ci2), NULL);
+  gst_caps_unref (ci2);
+  gst_caps_unref (ci1);
+
+  ci1 = gst_caps_intersect (c1, c2);
+  ci2 = gst_caps_intersect (c1, c3);
+  ci3 = gst_caps_intersect (ci2, ci1);
+  fail_unless (ci3->structs->len == 0, NULL);
+  GST_DEBUG ("intersected: %" GST_PTR_FORMAT, ci3);
+  fail_unless (gst_caps_get_size (ci3) == 1, NULL);
+  s = gst_caps_get_structure (ci3, 0);
+  fail_unless (gst_structure_has_name (s, "b"));
+  gst_caps_unref (ci3);
+
+  ci1 = gst_caps_intersect (c1, c2);
+  ci2 = gst_caps_intersect (c1, c3);
+  fail_unless (gst_caps_can_intersect (ci2, ci1), NULL);
+  gst_caps_unref (ci2);
+  gst_caps_unref (ci1);
+
+
+  gst_caps_unref (c1);
+  gst_caps_unref (c2);
+  gst_caps_unref (c3);
+  gst_caps_unref (c4);
+}
+
+GST_END_TEST;
+
+
 static gboolean
 _caps_is_fixed_foreach (GQuark field_id, const GValue * value, gpointer unused)
 {
@@ -795,6 +923,7 @@ GST_START_TEST (test_normalize)
 
 GST_END_TEST;
 
+
 static Suite *
 gst_caps_suite (void)
 {
@@ -814,6 +943,7 @@ gst_caps_suite (void)
   tcase_add_test (tc_chain, test_merge_subset);
   tcase_add_test (tc_chain, test_intersect);
   tcase_add_test (tc_chain, test_intersect2);
+  tcase_add_test (tc_chain, test_intersect3);
   tcase_add_test (tc_chain, test_normalize);
 
   return s;