gecko/content/media/webaudio/test/test_oscillatorNodeStart.html

40 lines
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HTML

<!DOCTYPE HTML>
<html>
<head>
<title>Test the OscillatorNode interface</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">
SimpleTest.waitForExplicitFinish();
addLoadEvent(function() {
var context = new AudioContext();
var osc = context.createOscillator();
var sp = context.createScriptProcessor();
osc.connect(sp);
sp.onaudioprocess = function (e) {
var input = e.inputBuffer.getChannelData(0);
var isSilent = true;
for (var i = 0; i < input.length; i++) {
if (input[i] != 0.0) {
isSilent = false;
}
}
sp.onaudioprocess = null;
ok(isSilent, "OscillatorNode should be silent before calling start.");
SimpleTest.finish();
}
});
</script>
</pre>
</body>
</html>