tests: gstbuffer: add tests for some mulitple map combinations

diff --git a/tests/check/gst/gstbuffer.c b/tests/check/gst/gstbuffer.c
index f667f1a..b2ebdd1 100644 (file)
--- a/tests/check/gst/gstbuffer.c
+++ b/tests/check/gst/gstbuffer.c
@@ -603,7 +603,7 @@ GST_END_TEST;
 GST_START_TEST (test_map)
 {
   GstBuffer *buf;
-  GstMapInfo map;
+  GstMapInfo map, map2;
   gsize maxalloc;
   gsize size, offset;
 
@@ -640,6 +640,20 @@ GST_START_TEST (test_map)
   gst_buffer_map (buf, &map, GST_MAP_WRITE);
   gst_buffer_unmap (buf, &map);
 
+  /* mapping same kind should be ok using same memory */
+  gst_buffer_map (buf, &map, GST_MAP_WRITE);
+  fail_unless (gst_buffer_map (buf, &map2, GST_MAP_WRITE));
+  fail_unless (map.memory == map2.memory);
+  gst_buffer_unmap (buf, &map2);
+  gst_buffer_unmap (buf, &map);
+
+  /* ... but different kind should give temporary memory */
+  gst_buffer_map (buf, &map, GST_MAP_WRITE);
+  fail_unless (gst_buffer_map (buf, &map2, GST_MAP_READ));
+  fail_if (map.memory == map2.memory);
+  gst_buffer_unmap (buf, &map2);
+  gst_buffer_unmap (buf, &map);
+
   gst_buffer_unref (buf);
 }