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diff --git a/test/video_decoder_fill_test.cc b/test/video_decoder_fill_test.cc
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+/*
+    Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
+
+    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 <boost/test/unit_test.hpp>
+#include "lib/image_decoder.h"
+#include "lib/image_content.h"
+#include "test.h"
+
+using std::list;
+using std::cout;
+using boost::shared_ptr;
+
+BOOST_AUTO_TEST_CASE (video_decoder_fill_test1)
+{
+	shared_ptr<Film> film = new_test_film ("video_decoder_fill_test");
+	shared_ptr<ImageContent> c (new ImageContent (film, "test/data/simple_testcard_640x480.png"));
+	ImageDecoder decoder (c);
+
+	decoder.fill_up_to_2d (4);
+	BOOST_CHECK_EQUAL (decoder._decoded_video.size(), 4);
+	list<ContentVideo>::iterator i = decoder._decoded_video.begin();	
+	for (int j = 0; j < 4; ++j) {
+		BOOST_CHECK_EQUAL (i->frame, j);
+		++i;
+	}
+
+	decoder.fill_up_to_2d (7);
+	BOOST_CHECK_EQUAL (decoder._decoded_video.size(), 7);
+	i = decoder._decoded_video.begin();	
+	for (int j = 0; j < 7; ++j) {
+		BOOST_CHECK_EQUAL (i->frame, j);
+		++i;
+	}
+}
+
+BOOST_AUTO_TEST_CASE (video_decoder_fill_test2)
+{
+	shared_ptr<Film> film = new_test_film ("video_decoder_fill_test");
+	shared_ptr<ImageContent> c (new ImageContent (film, "test/data/simple_testcard_640x480.png"));
+	ImageDecoder decoder (c);
+
+	decoder.fill_up_to_3d (4, EYES_LEFT);
+	BOOST_CHECK_EQUAL (decoder._decoded_video.size(), 8);
+	list<ContentVideo>::iterator i = decoder._decoded_video.begin();	
+	for (int j = 0; j < 8; ++j) {
+		BOOST_CHECK_EQUAL (i->frame, j / 2);
+		BOOST_CHECK_EQUAL (i->eyes, (j % 2) == 0 ? EYES_LEFT : EYES_RIGHT);
+		++i;
+	}
+
+	decoder.fill_up_to_3d (7, EYES_RIGHT);
+	BOOST_CHECK_EQUAL (decoder._decoded_video.size(), 15);
+	i = decoder._decoded_video.begin();	
+	for (int j = 0; j < 15; ++j) {
+		BOOST_CHECK_EQUAL (i->frame, j / 2);
+		BOOST_CHECK_EQUAL (i->eyes, (j % 2) == 0 ? EYES_LEFT : EYES_RIGHT);
+		++i;
+	}
+}