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68 lines
2.0 KiB
HTML
68 lines
2.0 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test OfflineAudioContext</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="webaudio.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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SimpleTest.waitForExplicitFinish();
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addLoadEvent(function() {
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var ctx = new OfflineAudioContext(2, 100, 22050);
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ok(ctx instanceof EventTarget, "OfflineAudioContexts must be EventTargets");
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var buf = ctx.createBuffer(2, 100, ctx.sampleRate);
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for (var i = 0; i < 2; ++i) {
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for (var j = 0; j < 100; ++j) {
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buf.getChannelData(i)[j] = Math.sin(2 * Math.PI * 200 * j / ctx.sampleRate);
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}
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}
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expectException(function() {
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ctx.createMediaStreamDestination();
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}, DOMException.NOT_SUPPORTED_ERR);
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expectException(function() {
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new OfflineAudioContext(2, 100, 0);
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}, DOMException.NOT_SUPPORTED_ERR);
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expectException(function() {
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new OfflineAudioContext(2, 100, -1);
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}, DOMException.NOT_SUPPORTED_ERR);
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expectException(function() {
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new OfflineAudioContext(0, 100, 44100);
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}, DOMException.NOT_SUPPORTED_ERR);
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new OfflineAudioContext(32, 100, 44100);
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expectException(function() {
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new OfflineAudioContext(33, 100, 44100);
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}, DOMException.NOT_SUPPORTED_ERR);
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expectException(function() {
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new OfflineAudioContext(2, 0, 44100);
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}, DOMException.NOT_SUPPORTED_ERR);
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var src = ctx.createBufferSource();
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src.buffer = buf;
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src.start(0);
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src.connect(ctx.destination);
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ctx.startRendering();
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ctx.addEventListener("complete", function(e) {
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ok(e instanceof OfflineAudioCompletionEvent, "Correct event received");
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is(e.renderedBuffer.numberOfChannels, 2, "Correct expected number of buffers");
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compareBuffers(e.renderedBuffer, buf);
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expectException(function() {
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ctx.startRendering();
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}, DOMException.INVALID_STATE_ERR);
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SimpleTest.finish();
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}, false);
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});
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</script>
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</pre>
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</body>
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</html>
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