gecko-dev/content/media/webaudio/test/test_waveShaperNoCurve.html
2013-05-14 00:12:30 -04:00

44 lines
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HTML

<!DOCTYPE HTML>
<html>
<head>
<title>Test WaveShaperNode with no curve</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="webaudio.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
var gTest = {
length: 2048,
numberOfChannels: 1,
createGraph: function(context) {
var source = context.createBufferSource();
source.buffer = this.buffer;
var shaper = context.createWaveShaper();
is(shaper.curve, null, "The shaper curve must be null by default");
source.connect(shaper);
source.start(0);
return shaper;
},
createExpectedBuffers: function(context) {
var expectedBuffer = context.createBuffer(1, 2048, context.sampleRate);
for (var i = 0; i < 2048; ++i) {
expectedBuffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
}
this.buffer = expectedBuffer;
return expectedBuffer;
},
};
runTest();
</script>
</pre>
</body>
</html>