-#include <libdcp/cpl.h>
-#include <libdcp/dcp.h>
-#include <libdcp/sound_asset.h>
-#include <libdcp/sound_frame.h>
-#include <libdcp/reel.h>
-#include "sndfile_content.h"
-
+/** @file test/silence_padding_test.cc
+ * @brief Test the padding (with silence) of a mono source to a 6-channel DCP.
+ */
+
+#include <boost/test/unit_test.hpp>
+#include <dcp/cpl.h>
+#include <dcp/dcp.h>
+#include <dcp/sound_mxf.h>
+#include <dcp/sound_frame.h>
+#include <dcp/reel.h>
+#include <dcp/reel_sound_asset.h>
+#include "lib/sndfile_content.h"
+#include "lib/film.h"
+#include "lib/dcp_content_type.h"
+#include "lib/ratio.h"
+#include "test.h"
+
+using std::string;