The Tor Browser: content/media/webaudio/test/test_singleSourceDest.html@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 <!DOCTYPE HTML>

     2 <html>

     3 <head>

     4   <title>Test whether we can create an AudioContext interface</title>

     5   <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>

     6   <script type="text/javascript" src="webaudio.js"></script>

     7   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />

     8 </head>

     9 <body>

    10 <pre id="test">

    11 <script class="testbody" type="text/javascript">

    13 SimpleTest.waitForExplicitFinish();

    14 addLoadEvent(function() {

    15   var context = new AudioContext();

    16   var buffer = context.createBuffer(1, 2048, context.sampleRate);

    17   for (var i = 0; i < 2048; ++i) {

    18     buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);

    19   }

    21   var destination = context.destination;

    22   is(destination.context, context, "Destination node has proper context");

    23   is(destination.context, context, "Destination node has proper context");

    24   is(destination.numberOfInputs, 1, "Destination node has 1 inputs");

    25   is(destination.numberOfOutputs, 0, "Destination node has 0 outputs");

    26   is(destination.channelCount, 2, "Destination node has 2 input channels by default");

    27   is(destination.channelCountMode, "explicit", "Correct channelCountMode for the destination node");

    28   is(destination.channelInterpretation, "speakers", "Correct channelCountInterpretation for the destination node");

    29   ok(destination instanceof EventTarget, "AudioNodes must be EventTargets");

    31   var source = context.createBufferSource();

    32   is(source.context, context, "Source node has proper context");

    33   is(source.numberOfInputs, 0, "Source node has 0 inputs");

    34   is(source.numberOfOutputs, 1, "Source node has 1 outputs");

    35   is(source.loop, false, "Source node is not looping");

    36   is(source.loopStart, 0, "Correct default value for loopStart");

    37   is(source.loopEnd, 0, "Correct default value for loopEnd");

    38   ok(!source.buffer, "Source node should not have a buffer when it's created");

    39   is(source.channelCount, 2, "source node has 2 input channels by default");

    40   is(source.channelCountMode, "max", "Correct channelCountMode for the source node");

    41   is(source.channelInterpretation, "speakers", "Correct channelCountInterpretation for the source node");

    43   expectException(function() {

    44     source.channelCount = 0;

    45   }, DOMException.NOT_SUPPORTED_ERR);

    47   source.buffer = buffer;

    48   ok(source.buffer, "Source node should have a buffer now");

    50   source.connect(destination);

    52   is(source.numberOfInputs, 0, "Source node has 0 inputs");

    53   is(source.numberOfOutputs, 1, "Source node has 0 outputs");

    54   is(destination.numberOfInputs, 1, "Destination node has 0 inputs");

    55   is(destination.numberOfOutputs, 0, "Destination node has 0 outputs");

    57   source.start(0);

    58   SimpleTest.executeSoon(function() {

    59     source.stop(0);

    60     source.disconnect();

    62     SpecialPowers.clearUserPref("media.webaudio.enabled");

    63     SimpleTest.finish();

    64   });

    65 });

    67 </script>

    68 </pre>

    69 </body>

    70 </html>

The Tor Browser / file revision