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71 lines
2.8 KiB
HTML
71 lines
2.8 KiB
HTML
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test whether we can create an AudioContext interface</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 context = new AudioContext();
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var buffer = context.createBuffer(1, 2048, context.sampleRate);
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for (var i = 0; i < 2048; ++i) {
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buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
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}
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var destination = context.destination;
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is(destination.context, context, "Destination node has proper context");
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is(destination.context, context, "Destination node has proper context");
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is(destination.numberOfInputs, 1, "Destination node has 1 inputs");
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is(destination.numberOfOutputs, 0, "Destination node has 0 outputs");
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is(destination.channelCount, 2, "Destination node has 2 input channels by default");
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is(destination.channelCountMode, "explicit", "Correct channelCountMode for the destination node");
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is(destination.channelInterpretation, "speakers", "Correct channelCountInterpretation for the destination node");
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ok(destination instanceof EventTarget, "AudioNodes must be EventTargets");
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var source = context.createBufferSource();
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is(source.context, context, "Source node has proper context");
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is(source.numberOfInputs, 0, "Source node has 0 inputs");
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is(source.numberOfOutputs, 1, "Source node has 1 outputs");
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is(source.loop, false, "Source node is not looping");
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is(source.loopStart, 0, "Correct default value for loopStart");
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is(source.loopEnd, 0, "Correct default value for loopEnd");
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ok(!source.buffer, "Source node should not have a buffer when it's created");
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is(source.channelCount, 2, "source node has 2 input channels by default");
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is(source.channelCountMode, "max", "Correct channelCountMode for the source node");
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is(source.channelInterpretation, "speakers", "Correct channelCountInterpretation for the source node");
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expectException(function() {
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source.channelCount = 0;
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}, DOMException.NOT_SUPPORTED_ERR);
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source.buffer = buffer;
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ok(source.buffer, "Source node should have a buffer now");
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source.connect(destination);
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is(source.numberOfInputs, 0, "Source node has 0 inputs");
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is(source.numberOfOutputs, 1, "Source node has 0 outputs");
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is(destination.numberOfInputs, 1, "Destination node has 0 inputs");
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is(destination.numberOfOutputs, 0, "Destination node has 0 outputs");
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source.start(0);
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SimpleTest.executeSoon(function() {
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source.stop(0);
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source.disconnect();
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SpecialPowers.clearUserPref("media.webaudio.enabled");
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SimpleTest.finish();
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});
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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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