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comparison: content/media/webaudio/test/test_oscillatorNode.html
content/media/webaudio/test/test_oscillatorNode.html
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| -1:000000000000 | 0:08a5dcd70cf4 |
|---|---|
| 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"> | |
| 12 | |
| 13 SimpleTest.waitForExplicitFinish(); | |
| 14 addLoadEvent(function() { | |
| 15 | |
| 16 var context = new AudioContext(); | |
| 17 var osc = context.createOscillator(); | |
| 18 | |
| 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"); | |
| 32 | |
| 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 } | |
| 45 | |
| 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"); | |
| 51 | |
| 52 expectNoException(function() { | |
| 53 osc.start(); | |
| 54 }); | |
| 55 expectNoException(function() { | |
| 56 osc.stop(); | |
| 57 }); | |
| 58 | |
| 59 SimpleTest.finish(); | |
| 60 }); | |
| 61 | |
| 62 </script> | |
| 63 </pre> | |
| 64 </body> | |
| 65 </html> |
