Add test for serialisation of audio analyses.

diff --git a/test/audio_analysis_test.cc b/test/audio_analysis_test.cc
new file mode 100644 (file)
index 0000000..2ebf15f
--- /dev/null
+++ b/test/audio_analysis_test.cc
@@ -0,0 +1,60 @@
+/*
+    Copyright (C) 2012 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/audio_analysis.h"
+
+static float
+random_float ()
+{
+       return (float (rand ()) / RAND_MAX) * 2 - 1;
+}
+
+/* Check serialisation of audio analyses */
+BOOST_AUTO_TEST_CASE (audio_analysis_test)
+{
+       int const channels = 3;
+       int const points = 4096;
+       
+       srand (1);
+       
+       AudioAnalysis a (3);
+       for (int i = 0; i < channels; ++i) {
+               for (int j = 0; j < points; ++j) {
+                       AudioPoint p;
+                       p[AudioPoint::PEAK] = random_float ();
+                       p[AudioPoint::RMS] = random_float ();
+                       a.add_point (i, p);
+               }
+       }
+
+       a.write ("build/test/audio_analysis_test");
+
+       srand (1);
+
+       AudioAnalysis b ("build/test/audio_analysis_test");
+       for (int i = 0; i < channels; ++i) {
+               BOOST_CHECK (b.points(i) == points);
+               for (int j = 0; j < points; ++j) {
+                       AudioPoint p = b.get_point (i, j);
+                       BOOST_CHECK_CLOSE (p[AudioPoint::PEAK], random_float (), 0.1);
+                       BOOST_CHECK_CLOSE (p[AudioPoint::RMS],  random_float (), 0.1);
+               }
+       }
+}

diff --git a/test/wscript b/test/wscript
index b40b6947521e913637f828428cc057148a4a8d17..76de63a523098f613d80770bfe0e67efd69e4285 100644 (file)
--- a/test/wscript
+++ b/test/wscript
@@ -16,6 +16,7 @@ def build(bld):
     obj.use    = 'libdcpomatic'
     obj.source = """
                  test.cc
+                 audio_analysis_test.cc
                  scaling_test.cc
                  film_metadata_test.cc
                  frame_rate_test.cc