1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/media/webaudio/test/test_OfflineAudioContext.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,67 @@
1.4 +<!DOCTYPE HTML>
1.5 +<html>
1.6 +<head>
1.7 + <title>Test OfflineAudioContext</title>
1.8 + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.9 + <script type="text/javascript" src="webaudio.js"></script>
1.10 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
1.11 +</head>
1.12 +<body>
1.13 +<pre id="test">
1.14 +<script class="testbody" type="text/javascript">
1.15 +
1.16 +SimpleTest.waitForExplicitFinish();
1.17 +addLoadEvent(function() {
1.18 + var ctx = new OfflineAudioContext(2, 100, 22050);
1.19 + ok(ctx instanceof EventTarget, "OfflineAudioContexts must be EventTargets");
1.20 +
1.21 + var buf = ctx.createBuffer(2, 100, ctx.sampleRate);
1.22 + for (var i = 0; i < 2; ++i) {
1.23 + for (var j = 0; j < 100; ++j) {
1.24 + buf.getChannelData(i)[j] = Math.sin(2 * Math.PI * 200 * j / ctx.sampleRate);
1.25 + }
1.26 + }
1.27 +
1.28 + expectException(function() {
1.29 + ctx.createMediaStreamDestination();
1.30 + }, DOMException.NOT_SUPPORTED_ERR);
1.31 +
1.32 + expectException(function() {
1.33 + new OfflineAudioContext(2, 100, 0);
1.34 + }, DOMException.NOT_SUPPORTED_ERR);
1.35 + expectException(function() {
1.36 + new OfflineAudioContext(2, 100, -1);
1.37 + }, DOMException.NOT_SUPPORTED_ERR);
1.38 + expectException(function() {
1.39 + new OfflineAudioContext(0, 100, 44100);
1.40 + }, DOMException.NOT_SUPPORTED_ERR);
1.41 + new OfflineAudioContext(32, 100, 44100);
1.42 + expectException(function() {
1.43 + new OfflineAudioContext(33, 100, 44100);
1.44 + }, DOMException.NOT_SUPPORTED_ERR);
1.45 + expectException(function() {
1.46 + new OfflineAudioContext(2, 0, 44100);
1.47 + }, DOMException.NOT_SUPPORTED_ERR);
1.48 +
1.49 + var src = ctx.createBufferSource();
1.50 + src.buffer = buf;
1.51 + src.start(0);
1.52 + src.connect(ctx.destination);
1.53 + ctx.startRendering();
1.54 + ctx.addEventListener("complete", function(e) {
1.55 + ok(e instanceof OfflineAudioCompletionEvent, "Correct event received");
1.56 + is(e.renderedBuffer.numberOfChannels, 2, "Correct expected number of buffers");
1.57 + compareBuffers(e.renderedBuffer, buf);
1.58 +
1.59 + expectException(function() {
1.60 + ctx.startRendering();
1.61 + }, DOMException.INVALID_STATE_ERR);
1.62 +
1.63 + SimpleTest.finish();
1.64 + }, false);
1.65 +});
1.66 +
1.67 +</script>
1.68 +</pre>
1.69 +</body>
1.70 +</html>
