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diff --git a/dom/media/webaudio/test/test_audioParamTimelineDestinationOffset.html b/dom/media/webaudio/test/test_audioParamTimelineDestinationOffset.html
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+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Test AudioParam timeline events scheduled after the destination stream has started playback</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.requestFlakyTimeout("This test needs to wait until the AudioDestinationNode's stream's timer starts.");
+
+var gTest = {
+ length: 16384,
+ numberOfChannels: 1,
+ createGraphAsync: function(context, callback) {
+ var sourceBuffer = context.createBuffer(1, 2048, context.sampleRate);
+ for (var i = 0; i < 2048; ++i) {
+ sourceBuffer.getChannelData(0)[i] = 1;
+ }
+
+ setTimeout(function() {
+ var source = context.createBufferSource();
+ source.buffer = sourceBuffer;
+ source.start(context.currentTime);
+ source.stop(context.currentTime + sourceBuffer.duration);
+
+ var gain = context.createGain();
+ gain.gain.setValueAtTime(0, context.currentTime);
+ gain.gain.setTargetAtTime(0, context.currentTime + sourceBuffer.duration, 1);
+ source.connect(gain);
+
+ callback(gain);
+ }, 100);
+ },
+};
+
+runTest();
+
+</script>
+</pre>
+</body>
+</html>