X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=test%2Fdcpomatic_time_test.cc;h=ae03d91c0e09a3c9ec36f76d508ae7210d2876a1;hb=54038beb4437c027e584fc95110f6fd4dbf2207d;hp=2b42d22b880788907e276f33a1329c4cb5c1f13d;hpb=a0d1dd5d91c81ec9907cbc7b890905c463c18f62;p=dcpomatic.git

diff --git a/test/dcpomatic_time_test.cc b/test/dcpomatic_time_test.cc
index 2b42d22b8..ae03d91c0 100644
--- a/test/dcpomatic_time_test.cc
+++ b/test/dcpomatic_time_test.cc
@@ -1,19 +1,20 @@
 /*
     Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    DCP-o-matic 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 General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
@@ -36,3 +37,38 @@ BOOST_AUTO_TEST_CASE (dcpomatic_time_test)
 		}
 	}
 }
+
+BOOST_AUTO_TEST_CASE (dcpomatic_time_period_overlaps_test)
+{
+	/* Taking times as the start of a sampling interval
+
+	   |--|--|--|--|--|--|--|--|--|--|
+	   0  1  2  3  4  5  6  7  8  9  |
+	   |--|--|--|--|--|--|--|--|--|--|
+
+	   <------a----><----b----->
+
+	   and saying `from' is the start of the first sampling
+	   interval and `to' is the start of the interval after
+	   the period... a and b do not overlap.
+	*/
+
+	TimePeriod<DCPTime> a (DCPTime (0), DCPTime (4));
+	TimePeriod<DCPTime> b (DCPTime (4), DCPTime (8));
+	BOOST_CHECK (!a.overlap (b));
+
+	/* Some more obvious non-overlaps */
+	a = TimePeriod<DCPTime> (DCPTime (0), DCPTime (4));
+	b = TimePeriod<DCPTime> (DCPTime (5), DCPTime (8));
+	BOOST_CHECK (!a.overlap (b));
+
+	/* Some overlaps */
+	a = TimePeriod<DCPTime> (DCPTime (0), DCPTime (4));
+	b = TimePeriod<DCPTime> (DCPTime (3), DCPTime (8));
+	BOOST_CHECK (a.overlap(b));
+	BOOST_CHECK (a.overlap(b).get() == DCPTimePeriod(DCPTime(3), DCPTime(4)));
+	a = TimePeriod<DCPTime> (DCPTime (1), DCPTime (9));
+	b = TimePeriod<DCPTime> (DCPTime (0), DCPTime (10));
+	BOOST_CHECK (a.overlap(b));
+	BOOST_CHECK (a.overlap(b).get() == DCPTimePeriod(DCPTime(1), DCPTime(9)));
+}