Add test.

diff --git a/test/dcpomatic_time_test.cc b/test/dcpomatic_time_test.cc
index 2b42d22b880788907e276f33a1329c4cb5c1f13d..ca29d8839346fd2013527d25aeee337b580c616b 100644 (file)
--- a/test/dcpomatic_time_test.cc
+++ b/test/dcpomatic_time_test.cc
@@ -36,3 +36,36 @@ 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.overlaps (b));
+
+       /* Some more obvious non-overlaps */
+       a = TimePeriod<DCPTime> (DCPTime (0), DCPTime (4));
+       b = TimePeriod<DCPTime> (DCPTime (5), DCPTime (8));
+       BOOST_CHECK (!a.overlaps (b));
+
+       /* Some overlaps */
+       a = TimePeriod<DCPTime> (DCPTime (0), DCPTime (4));
+       b = TimePeriod<DCPTime> (DCPTime (3), DCPTime (8));
+       BOOST_CHECK (a.overlaps (b));
+       a = TimePeriod<DCPTime> (DCPTime (1), DCPTime (9));
+       b = TimePeriod<DCPTime> (DCPTime (0), DCPTime (10));
+       BOOST_CHECK (a.overlaps (b));
+}