[Scummvm-cvs-logs] SF.net SVN: scummvm:[47804] scummvm/trunk/test/sound/audiostream.h

[lordhoto at users.sourceforge.net]

Revision: 47804
          http://scummvm.svn.sourceforge.net/scummvm/?rev=47804&view=rev
Author:   lordhoto
Date:     2010-02-01 21:55:34 +0000 (Mon, 01 Feb 2010)

Log Message:
-----------
Add some basic tests for Audio::convertTimeToStreamPos.

Added Paths:
-----------
    scummvm/trunk/test/sound/audiostream.h

Added: scummvm/trunk/test/sound/audiostream.h
===================================================================
--- scummvm/trunk/test/sound/audiostream.h	                        (rev 0)
+++ scummvm/trunk/test/sound/audiostream.h	2010-02-01 21:55:34 UTC (rev 47804)
@@ -0,0 +1,31 @@
+#include <cxxtest/TestSuite.h>
+
+#include "sound/audiostream.h"
+
+class AudioStreamTestSuite : public CxxTest::TestSuite
+{
+public:
+	void test_convertTimeToStreamPos() {
+		const Audio::Timestamp a = Audio::convertTimeToStreamPos(Audio::Timestamp(500, 1000), 11025, true);
+		// The last bit has to be 0 in any case for a stereo stream.
+		TS_ASSERT_EQUALS(a.totalNumberOfFrames() & 1, 0);
+
+		// TODO: This test is rather hacky... actually converTimeToStreamPos might also return 11026
+		// instead of 11024 and it would still be a valid sample position for ~500ms.
+		TS_ASSERT_EQUALS(a.totalNumberOfFrames(), 11024);
+
+		const Audio::Timestamp b = Audio::convertTimeToStreamPos(Audio::Timestamp(500, 1000), 11025, false);
+		TS_ASSERT_EQUALS(b.totalNumberOfFrames(), 500 * 11025 / 1000);
+
+		// Test Audio CD positioning
+
+		// for 44kHz and stereo
+		const Audio::Timestamp c = Audio::convertTimeToStreamPos(Audio::Timestamp(0, 50, 75), 44100, true);
+		TS_ASSERT_EQUALS(c.totalNumberOfFrames(), 50 * 44100 * 2 / 75);
+
+		// for 11kHz and mono
+		const Audio::Timestamp d = Audio::convertTimeToStreamPos(Audio::Timestamp(0, 50, 75), 11025, false);
+		TS_ASSERT_EQUALS(d.totalNumberOfFrames(), 50 * 11025 / 75);
+	}
+};
+


Property changes on: scummvm/trunk/test/sound/audiostream.h
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Added: svn:mime-type
   + text/plain
Added: svn:keywords
   + Date Rev Author URL Id
Added: svn:eol-style
   + native


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