mirror of
https://github.com/Tonejs/Tone.js
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27 lines
752 B
JavaScript
27 lines
752 B
JavaScript
define(["Test", "Tone/core/Offline", "Tone/signal/Signal", "Tone/core/Master"],
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function (Test, Offline, Signal, Master) {
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var PassAudio = function(before){
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var duration = 0.2;
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return Offline(function(){
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var sig = new Signal(0);
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before(sig);
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sig.setValueAtTime(1, duration / 2);
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}, duration).then(function(buffer){
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var array = buffer.toMono().toArray();
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for (var i = 0; i < array.length; i++){
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var time = (i / array.length) * duration;
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var sample = array[i];
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if (time >= duration / 2 && sample !== 0){
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return true;
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} else if (time < duration / 2) {
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expect(sample).to.be.closeTo(0, 0.001);
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}
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}
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throw new Error("node outputs silence");
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});
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};
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return PassAudio;
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});
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