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+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>Test buffers do not interfere when scheduled in sequence</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 OFFSETS = [0.005, 0.01, 0.02, 0.03];
+var LENGTH = 128;
+
+var gTest = {
+ length: 128 * OFFSETS.length,
+ numberOfChannels: 1,
+
+ createGraph: function(context) {
+ var gain = context.createGain();
+
+ // create a repeating sample
+ var repeatingSample = context.createBuffer(1, 2, context.sampleRate);
+ var c = repeatingSample.getChannelData(0);
+ for (var i = 0; i < repeatingSample.length; ++i) {
+ c[i] = i % 2 == 0 ? 1 : -1;
+ }
+
+ OFFSETS.forEach(function (offset, offsetIdx) {
+ // Schedule a set of nodes to repeat the sample.
+ for (var i = 0; i < LENGTH; i += repeatingSample.length) {
+ var source = context.createBufferSource();
+ source.buffer = repeatingSample;
+ source.connect(gain);
+ source.start((offsetIdx * LENGTH + i + offset) / context.sampleRate);
+ }
+
+ buffer = context.createBuffer(1, LENGTH, context.sampleRate);
+ c = buffer.getChannelData(0);
+ for (var i = 0; i < buffer.length; ++i) {
+ c[i] = i % 2 == 0 ? -1 : 1;
+ }
+
+ var source = context.createBufferSource();
+ source.buffer = buffer;
+ source.connect(gain);
+ source.start((offsetIdx * LENGTH + offset) / context.sampleRate);
+ });
+
+ return gain;
+ },
+
+ createExpectedBuffers: function(context) {
+ return context.createBuffer(1, gTest.length, context.sampleRate);
+ },
+};
+
+runTest();
+</script>
+</pre>
+</body>
+</html>