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diff --git a/dom/media/webaudio/test/test_disconnectAudioParam.html b/dom/media/webaudio/test/test_disconnectAudioParam.html
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+<!DOCTYPE HTML>
+<html>
+ <head>
+ <title>Test whether we can disconnect an AudioParam</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: 256,
+ numberOfChannels: 1,
+ createGraph: function(context) {
+ var sourceBuffer = context.createBuffer(1, 256, context.sampleRate);
+ var data = sourceBuffer.getChannelData(0);
+ for (var j = 0; j < data.length; j++) {
+ data[j] = 1;
+ }
+
+ var source = context.createBufferSource();
+ source.buffer = sourceBuffer;
+
+ var half = context.createGain();
+ var gain1 = context.createGain();
+ var gain2 = context.createGain();
+
+ half.gain.value = 0.5;
+
+ source.connect(gain1);
+ gain1.connect(gain2);
+ source.connect(half);
+
+ half.connect(gain1.gain);
+ half.connect(gain2.gain);
+
+ half.disconnect(gain2.gain);
+
+ source.start();
+
+ return gain2;
+ },
+ createExpectedBuffers: function(context) {
+ expectedBuffer = context.createBuffer(1, 256, context.sampleRate);
+ for (var i = 0; i < 256; ++i) {
+ expectedBuffer.getChannelData(0)[i] = 1.5;
+ }
+
+ return expectedBuffer;
+ }
+ };
+
+ runTest();
+ </script>
+ </pre>
+ </body>
+</html>