content/media/webaudio/test/test_oscillatorNode.html@44a2da4a2ab2
content/media/webaudio/test/test_oscillatorNode.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
1 <!DOCTYPE HTML>
2 <html>
3 <head>
4 <title>Test the OscillatorNode 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() {
16 var context = new AudioContext();
17 var osc = context.createOscillator();
19 is(osc.channelCount, 2, "Oscillator node has 2 input channels by default");
20 is(osc.channelCountMode, "max", "Correct channelCountMode for the Oscillator node");
21 is(osc.channelInterpretation, "speakers", "Correct channelCountInterpretation for the Oscillator node");
22 is(osc.type, "sine", "Correct default type");
23 expectException(function() {
24 osc.type = "custom";
25 }, DOMException.INVALID_STATE_ERR);
26 expectException(function() {
27 osc.type = osc.CUSTOM;
28 }, DOMException.INVALID_STATE_ERR);
29 is(osc.type, "sine", "Cannot set the type to custom");
30 is(osc.frequency.value, 440, "Correct default frequency value");
31 is(osc.detune.value, 0, "Correct default detine value");
33 // Make sure that we can set all of the valid type values
34 var types = [
35 "sine",
36 "square",
37 "sawtooth",
38 "triangle",
39 ];
40 for (var i = 0; i < types.length; ++i) {
41 osc.type = osc[types[i].toUpperCase()];
42 is(osc.type, types[i], "Correct alternname type enum value");
43 osc.type = types[i];
44 }
46 // Verify setPeriodicWave()
47 var real = new Float32Array([1.0, 0.5, 0.25, 0.125]);
48 var imag = new Float32Array([1.0, 0.7, -1.0, 0.5]);
49 osc.setPeriodicWave(context.createPeriodicWave(real, imag));
50 is(osc.type, "custom", "Failed to set custom waveform");
52 expectNoException(function() {
53 osc.start();
54 });
55 expectNoException(function() {
56 osc.stop();
57 });
59 SimpleTest.finish();
60 });
62 </script>
63 </pre>
64 </body>
65 </html>
