content/media/webaudio/test/test_singleSourceDest.html

Fri, 16 Jan 2015 04:50:19 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Fri, 16 Jan 2015 04:50:19 +0100
branch
TOR_BUG_9701
changeset 13
44a2da4a2ab2
permissions
-rw-r--r--

Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32

michael@0 1 <!DOCTYPE HTML>
michael@0 2 <html>
michael@0 3 <head>
michael@0 4 <title>Test whether we can create an AudioContext interface</title>
michael@0 5 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
michael@0 6 <script type="text/javascript" src="webaudio.js"></script>
michael@0 7 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
michael@0 8 </head>
michael@0 9 <body>
michael@0 10 <pre id="test">
michael@0 11 <script class="testbody" type="text/javascript">
michael@0 12
michael@0 13 SimpleTest.waitForExplicitFinish();
michael@0 14 addLoadEvent(function() {
michael@0 15 var context = new AudioContext();
michael@0 16 var buffer = context.createBuffer(1, 2048, context.sampleRate);
michael@0 17 for (var i = 0; i < 2048; ++i) {
michael@0 18 buffer.getChannelData(0)[i] = Math.sin(440 * 2 * Math.PI * i / context.sampleRate);
michael@0 19 }
michael@0 20
michael@0 21 var destination = context.destination;
michael@0 22 is(destination.context, context, "Destination node has proper context");
michael@0 23 is(destination.context, context, "Destination node has proper context");
michael@0 24 is(destination.numberOfInputs, 1, "Destination node has 1 inputs");
michael@0 25 is(destination.numberOfOutputs, 0, "Destination node has 0 outputs");
michael@0 26 is(destination.channelCount, 2, "Destination node has 2 input channels by default");
michael@0 27 is(destination.channelCountMode, "explicit", "Correct channelCountMode for the destination node");
michael@0 28 is(destination.channelInterpretation, "speakers", "Correct channelCountInterpretation for the destination node");
michael@0 29 ok(destination instanceof EventTarget, "AudioNodes must be EventTargets");
michael@0 30
michael@0 31 var source = context.createBufferSource();
michael@0 32 is(source.context, context, "Source node has proper context");
michael@0 33 is(source.numberOfInputs, 0, "Source node has 0 inputs");
michael@0 34 is(source.numberOfOutputs, 1, "Source node has 1 outputs");
michael@0 35 is(source.loop, false, "Source node is not looping");
michael@0 36 is(source.loopStart, 0, "Correct default value for loopStart");
michael@0 37 is(source.loopEnd, 0, "Correct default value for loopEnd");
michael@0 38 ok(!source.buffer, "Source node should not have a buffer when it's created");
michael@0 39 is(source.channelCount, 2, "source node has 2 input channels by default");
michael@0 40 is(source.channelCountMode, "max", "Correct channelCountMode for the source node");
michael@0 41 is(source.channelInterpretation, "speakers", "Correct channelCountInterpretation for the source node");
michael@0 42
michael@0 43 expectException(function() {
michael@0 44 source.channelCount = 0;
michael@0 45 }, DOMException.NOT_SUPPORTED_ERR);
michael@0 46
michael@0 47 source.buffer = buffer;
michael@0 48 ok(source.buffer, "Source node should have a buffer now");
michael@0 49
michael@0 50 source.connect(destination);
michael@0 51
michael@0 52 is(source.numberOfInputs, 0, "Source node has 0 inputs");
michael@0 53 is(source.numberOfOutputs, 1, "Source node has 0 outputs");
michael@0 54 is(destination.numberOfInputs, 1, "Destination node has 0 inputs");
michael@0 55 is(destination.numberOfOutputs, 0, "Destination node has 0 outputs");
michael@0 56
michael@0 57 source.start(0);
michael@0 58 SimpleTest.executeSoon(function() {
michael@0 59 source.stop(0);
michael@0 60 source.disconnect();
michael@0 61
michael@0 62 SpecialPowers.clearUserPref("media.webaudio.enabled");
michael@0 63 SimpleTest.finish();
michael@0 64 });
michael@0 65 });
michael@0 66
michael@0 67 </script>
michael@0 68 </pre>
michael@0 69 </body>
michael@0 70 </html>

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