content/media/webaudio/test/test_oscillatorNode.html@44a2da4a2ab2 (annotated)
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
| michael@0 | 1 | <!DOCTYPE HTML> |
| michael@0 | 2 | <html> |
| michael@0 | 3 | <head> |
| michael@0 | 4 | <title>Test the OscillatorNode 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 | |
| michael@0 | 16 | var context = new AudioContext(); |
| michael@0 | 17 | var osc = context.createOscillator(); |
| michael@0 | 18 | |
| michael@0 | 19 | is(osc.channelCount, 2, "Oscillator node has 2 input channels by default"); |
| michael@0 | 20 | is(osc.channelCountMode, "max", "Correct channelCountMode for the Oscillator node"); |
| michael@0 | 21 | is(osc.channelInterpretation, "speakers", "Correct channelCountInterpretation for the Oscillator node"); |
| michael@0 | 22 | is(osc.type, "sine", "Correct default type"); |
| michael@0 | 23 | expectException(function() { |
| michael@0 | 24 | osc.type = "custom"; |
| michael@0 | 25 | }, DOMException.INVALID_STATE_ERR); |
| michael@0 | 26 | expectException(function() { |
| michael@0 | 27 | osc.type = osc.CUSTOM; |
| michael@0 | 28 | }, DOMException.INVALID_STATE_ERR); |
| michael@0 | 29 | is(osc.type, "sine", "Cannot set the type to custom"); |
| michael@0 | 30 | is(osc.frequency.value, 440, "Correct default frequency value"); |
| michael@0 | 31 | is(osc.detune.value, 0, "Correct default detine value"); |
| michael@0 | 32 | |
| michael@0 | 33 | // Make sure that we can set all of the valid type values |
| michael@0 | 34 | var types = [ |
| michael@0 | 35 | "sine", |
| michael@0 | 36 | "square", |
| michael@0 | 37 | "sawtooth", |
| michael@0 | 38 | "triangle", |
| michael@0 | 39 | ]; |
| michael@0 | 40 | for (var i = 0; i < types.length; ++i) { |
| michael@0 | 41 | osc.type = osc[types[i].toUpperCase()]; |
| michael@0 | 42 | is(osc.type, types[i], "Correct alternname type enum value"); |
| michael@0 | 43 | osc.type = types[i]; |
| michael@0 | 44 | } |
| michael@0 | 45 | |
| michael@0 | 46 | // Verify setPeriodicWave() |
| michael@0 | 47 | var real = new Float32Array([1.0, 0.5, 0.25, 0.125]); |
| michael@0 | 48 | var imag = new Float32Array([1.0, 0.7, -1.0, 0.5]); |
| michael@0 | 49 | osc.setPeriodicWave(context.createPeriodicWave(real, imag)); |
| michael@0 | 50 | is(osc.type, "custom", "Failed to set custom waveform"); |
| michael@0 | 51 | |
| michael@0 | 52 | expectNoException(function() { |
| michael@0 | 53 | osc.start(); |
| michael@0 | 54 | }); |
| michael@0 | 55 | expectNoException(function() { |
| michael@0 | 56 | osc.stop(); |
| michael@0 | 57 | }); |
| michael@0 | 58 | |
| michael@0 | 59 | SimpleTest.finish(); |
| michael@0 | 60 | }); |
| michael@0 | 61 | |
| michael@0 | 62 | </script> |
| michael@0 | 63 | </pre> |
| michael@0 | 64 | </body> |
| michael@0 | 65 | </html> |
