tests: add unit test for segment _offset_running_time()

Add a unit test to check that positive and negative offsets are applied
correctly in various cases.

diff --git a/tests/check/gst/gstsegment.c b/tests/check/gst/gstsegment.c
index 1a4ce34..cfb865d 100644 (file)
--- a/tests/check/gst/gstsegment.c
+++ b/tests/check/gst/gstsegment.c
@@ -613,6 +613,96 @@ GST_START_TEST (segment_seek_noupdate)
 
 GST_END_TEST;
 
+GST_START_TEST (segment_offset)
+{
+  GstSegment segment;
+
+  gst_segment_init (&segment, GST_FORMAT_TIME);
+
+  segment.start = 0;
+  segment.position = 50;
+  segment.stop = 200;
+  segment.time = 0;
+
+  fail_unless (gst_segment_to_running_time (&segment, GST_FORMAT_TIME,
+          20) == 20);
+  fail_unless (gst_segment_to_running_time (&segment, GST_FORMAT_TIME,
+          220) == -1);
+
+  fail_unless (gst_segment_offset_running_time (&segment, GST_FORMAT_TIME,
+          0) == TRUE);
+  fail_unless (segment.start == 0);
+  fail_unless (segment.stop == 200);
+  fail_unless (segment.time == 0);
+  fail_unless (segment.position == 50);
+  fail_unless (segment.base == 0);
+  fail_unless (segment.offset == 0);
+  fail_unless (gst_segment_to_running_time (&segment, GST_FORMAT_TIME,
+          20) == 20);
+
+  fail_unless (gst_segment_offset_running_time (&segment, GST_FORMAT_TIME,
+          100) == TRUE);
+  fail_unless (segment.start == 0);
+  fail_unless (segment.stop == 200);
+  fail_unless (segment.time == 0);
+  fail_unless (segment.position == 50);
+  fail_unless (segment.base == 100);
+  fail_unless (segment.offset == 0);
+  fail_unless (gst_segment_to_running_time (&segment, GST_FORMAT_TIME,
+          20) == 120);
+
+  fail_unless (gst_segment_offset_running_time (&segment, GST_FORMAT_TIME,
+          -50) == TRUE);
+  fail_unless (segment.start == 0);
+  fail_unless (segment.stop == 200);
+  fail_unless (segment.time == 0);
+  fail_unless (segment.position == 50);
+  fail_unless (segment.base == 50);
+  fail_unless (segment.offset == 0);
+  fail_unless (gst_segment_to_running_time (&segment, GST_FORMAT_TIME,
+          20) == 70);
+
+  fail_unless (gst_segment_offset_running_time (&segment, GST_FORMAT_TIME,
+          -100) == TRUE);
+  fail_unless (segment.start == 0);
+  fail_unless (segment.stop == 200);
+  fail_unless (segment.time == 0);
+  fail_unless (segment.position == 50);
+  fail_unless (segment.base == 0);
+  fail_unless (segment.offset == 50);
+  fail_unless (gst_segment_to_running_time (&segment, GST_FORMAT_TIME,
+          20) == -1);
+  fail_unless (gst_segment_to_running_time (&segment, GST_FORMAT_TIME,
+          200) == 150);
+
+  /* can go negative */
+  fail_unless (gst_segment_offset_running_time (&segment, GST_FORMAT_TIME,
+          -151) == FALSE);
+  fail_unless (segment.start == 0);
+  fail_unless (segment.stop == 200);
+  fail_unless (segment.time == 0);
+  fail_unless (segment.position == 50);
+  fail_unless (segment.base == 0);
+  fail_unless (segment.offset == 50);
+  fail_unless (gst_segment_to_running_time (&segment, GST_FORMAT_TIME,
+          100) == 50);
+  fail_unless (gst_segment_to_running_time (&segment, GST_FORMAT_TIME,
+          200) == 150);
+
+  fail_unless (gst_segment_offset_running_time (&segment, GST_FORMAT_TIME,
+          -150) == TRUE);
+  fail_unless (segment.start == 0);
+  fail_unless (segment.stop == 200);
+  fail_unless (segment.time == 0);
+  fail_unless (segment.position == 50);
+  fail_unless (segment.base == 0);
+  fail_unless (segment.offset == 200);
+  fail_unless (gst_segment_to_running_time (&segment, GST_FORMAT_TIME,
+          200) == 0);
+}
+
+GST_END_TEST;
+
 
 static Suite *
 gst_segment_suite (void)
@@ -629,6 +719,7 @@ gst_segment_suite (void)
   tcase_add_test (tc_chain, segment_seek_rate);
   tcase_add_test (tc_chain, segment_copy);
   tcase_add_test (tc_chain, segment_seek_noupdate);
+  tcase_add_test (tc_chain, segment_offset);
 
   return s;
 }