From 7a7d06be4a2b300dbd0607d321de9d644d665abe Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Mon, 25 Nov 2013 00:53:55 +0000
Subject: Add test for serialisation of audio analyses.

---
 test/audio_analysis_test.cc | 60 +++++++++++++++++++++++++++++++++++++++++++++
 test/wscript                |  1 +
 2 files changed, 61 insertions(+)
 create mode 100644 test/audio_analysis_test.cc

(limited to 'test')

diff --git a/test/audio_analysis_test.cc b/test/audio_analysis_test.cc
new file mode 100644
index 000000000..2ebf15fd4
--- /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 b40b69475..76de63a52 100644
--- 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
-- 
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