content/media/webaudio/test/test_singleSourceDest.html

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/content/media/webaudio/test/test_singleSourceDest.html	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,70 @@
     1.4 +<!DOCTYPE HTML>
     1.5 +<html>
     1.6 +<head>
     1.7 +  <title>Test whether we can create an AudioContext interface</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 context = new AudioContext();
    1.19 +  var buffer = context.createBuffer(1, 2048, context.sampleRate);
    1.20 +  for (var i = 0; i < 2048; ++i) {
    1.21 +    buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
    1.22 +  }
    1.23 +
    1.24 +  var destination = context.destination;
    1.25 +  is(destination.context, context, "Destination node has proper context");
    1.26 +  is(destination.context, context, "Destination node has proper context");
    1.27 +  is(destination.numberOfInputs, 1, "Destination node has 1 inputs");
    1.28 +  is(destination.numberOfOutputs, 0, "Destination node has 0 outputs");
    1.29 +  is(destination.channelCount, 2, "Destination node has 2 input channels by default");
    1.30 +  is(destination.channelCountMode, "explicit", "Correct channelCountMode for the destination node");
    1.31 +  is(destination.channelInterpretation, "speakers", "Correct channelCountInterpretation for the destination node");
    1.32 +  ok(destination instanceof EventTarget, "AudioNodes must be EventTargets");
    1.33 +
    1.34 +  var source = context.createBufferSource();
    1.35 +  is(source.context, context, "Source node has proper context");
    1.36 +  is(source.numberOfInputs, 0, "Source node has 0 inputs");
    1.37 +  is(source.numberOfOutputs, 1, "Source node has 1 outputs");
    1.38 +  is(source.loop, false, "Source node is not looping");
    1.39 +  is(source.loopStart, 0, "Correct default value for loopStart");
    1.40 +  is(source.loopEnd, 0, "Correct default value for loopEnd");
    1.41 +  ok(!source.buffer, "Source node should not have a buffer when it's created");
    1.42 +  is(source.channelCount, 2, "source node has 2 input channels by default");
    1.43 +  is(source.channelCountMode, "max", "Correct channelCountMode for the source node");
    1.44 +  is(source.channelInterpretation, "speakers", "Correct channelCountInterpretation for the source node");
    1.45 +
    1.46 +  expectException(function() {
    1.47 +    source.channelCount = 0;
    1.48 +  }, DOMException.NOT_SUPPORTED_ERR);
    1.49 +
    1.50 +  source.buffer = buffer;
    1.51 +  ok(source.buffer, "Source node should have a buffer now");
    1.52 +
    1.53 +  source.connect(destination);
    1.54 +
    1.55 +  is(source.numberOfInputs, 0, "Source node has 0 inputs");
    1.56 +  is(source.numberOfOutputs, 1, "Source node has 0 outputs");
    1.57 +  is(destination.numberOfInputs, 1, "Destination node has 0 inputs");
    1.58 +  is(destination.numberOfOutputs, 0, "Destination node has 0 outputs");
    1.59 +
    1.60 +  source.start(0);
    1.61 +  SimpleTest.executeSoon(function() {
    1.62 +    source.stop(0);
    1.63 +    source.disconnect();
    1.64 +
    1.65 +    SpecialPowers.clearUserPref("media.webaudio.enabled");
    1.66 +    SimpleTest.finish();
    1.67 +  });
    1.68 +});
    1.69 +
    1.70 +</script>
    1.71 +</pre>
    1.72 +</body>
    1.73 +</html>

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