1 files changed, 95 insertions, 0 deletions
diff --git a/libs/ardour/test/playlist_equivalent_regions_test.cc b/libs/ardour/test/playlist_equivalent_regions_test.cc
new file mode 100644
index 0000000000..12853d39dd
--- /dev/null
+++ b/libs/ardour/test/playlist_equivalent_regions_test.cc
@@ -0,0 +1,95 @@
+/*
+    Copyright (C) 2012 Paul Davis
+
+    This program 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,
+    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.
+*/
+
+#include "ardour/playlist.h"
+#include "ardour/playlist_factory.h"
+#include "ardour/region.h"
+#include "playlist_equivalent_regions_test.h"
+
+CPPUNIT_TEST_SUITE_REGISTRATION (PlaylistEquivalentRegionsTest);
+
+using namespace std;
+using namespace ARDOUR;
+
+void
+PlaylistEquivalentRegionsTest::setUp ()
+{
+	AudioRegionTest::setUp ();
+	
+	_playlist_b = PlaylistFactory::create (DataType::AUDIO, *_session, "testB");
+}
+
+void
+PlaylistEquivalentRegionsTest::tearDown ()
+{
+	_playlist_b.reset ();
+
+	AudioRegionTest::tearDown ();
+}
+
+/* Test simple equivalency operations */
+void
+PlaylistEquivalentRegionsTest::basicsTest ()
+{
+	/* Put _r[0] on _playlist */
+	_playlist->add_region (_r[0], 42);
+
+	/* And _r[1] on _playlist_b at the same position */
+	_playlist_b->add_region (_r[1], 42);
+
+	/* Look for the equivalents to _r[0] on _playlist_b */
+	vector<boost::shared_ptr<Region> > e;
+	_playlist_b->get_equivalent_regions (_r[0], e);
+
+	/* That should be _r[1] */
+	CPPUNIT_ASSERT_EQUAL (size_t (1), e.size ());
+	CPPUNIT_ASSERT_EQUAL (e.front(), _r[1]);
+
+	/* Move _r[1] */
+	_r[1]->set_position (66);
+
+	/* Look again for the equivalents to _r[0] on _playlist_b */
+	e.clear ();
+	_playlist_b->get_equivalent_regions (_r[0], e);
+
+	/* There should be none */
+	CPPUNIT_ASSERT (e.empty ());
+}
+
+void
+PlaylistEquivalentRegionsTest::multiLayerTest ()
+{
+	_playlist->clear ();
+	_playlist_b->clear ();
+
+	/* Put _r[0] and _r[1] at the same position on _playlist so that they overlap */
+	_playlist->add_region (_r[0], 42);
+	_playlist->add_region (_r[1], 42);
+
+	/* And _r[2], _r[3] similarly on _playlist_b */
+	_playlist_b->add_region (_r[2], 42);
+	_playlist_b->add_region (_r[3], 42);
+
+	/* Look for equivalents to _r[0] on _playlist_b */
+	vector<boost::shared_ptr<Region> > e;
+	_playlist_b->get_equivalent_regions (_r[0], e);
+
+	/* That should be _r[2] and _r[3] */
+	CPPUNIT_ASSERT_EQUAL (size_t (2), e.size ());
+	CPPUNIT_ASSERT ((e.front() == _r[2] && e.back() == _r[3]) || (e.front() == _r[3] && e.back() == _r[2]));
+}