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+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Test OscillatorNode lifetime and sine phase</title>
+ <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<pre id="test">
+<script src="webaudio.js" type="text/javascript"></script>
+<script class="testbody" type="text/javascript">
+
+const signalLength = 2048;
+
+function createOscillator(context) {
+ var osc = context.createOscillator();
+ osc.start(0);
+ osc.stop(signalLength/context.sampleRate);
+ return osc;
+}
+
+function connectUnreferencedOscillator(context, destination) {
+ var osc = createOscillator(context);
+ osc.connect(destination);
+}
+
+var gTest = {
+ length: signalLength,
+ numberOfChannels: 1,
+ createGraph: function(context) {
+ var blend = context.createGain();
+
+ connectUnreferencedOscillator(context, blend);
+ // Test that the unreferenced oscillator remains alive until it has finished.
+ SpecialPowers.forceGC();
+ SpecialPowers.forceCC();
+
+ // Create another sine wave oscillator in negative time, which should
+ // cancel when mixed with the unreferenced oscillator.
+ var oscillator = createOscillator(context);
+ oscillator.frequency.value = -440;
+ oscillator.connect(blend);
+
+ return blend;
+ },
+};
+
+runTest();
+
+</script>
+</pre>
+</body>
+</html>