mirror of
https://github.com/Tonejs/Tone.js
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73 lines
2 KiB
JavaScript
73 lines
2 KiB
JavaScript
define(["helper/OutputAudio", "Tone/source/Oscillator", "helper/Offline", "helper/Test", "Tone/core/Tone"],
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function(OutputAudio, Oscillator, Offline, Test, Tone){
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return function(Constr, args){
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context("Oscillator Tests", function(){
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it("can be created with an options object", function(){
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var instance = new Constr({
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"frequency" : 200,
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"detune" : -20
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});
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expect(instance.frequency.value).to.equal(200);
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expect(instance.detune.value).to.equal(-20);
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instance.dispose();
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});
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it("can set/set the frequency", function(){
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var instance = new Constr(args);
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instance.frequency.value = 110;
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expect(instance.frequency.value).to.equal(110);
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instance.start();
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instance.frequency.value = 220;
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expect(instance.frequency.value).to.equal(220);
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instance.dispose();
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});
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it("can set/set the detune", function(){
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var instance = new Constr(args);
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instance.detune.value = -50;
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expect(instance.detune.value).to.equal(-50);
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instance.start();
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instance.detune.value = 92;
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expect(instance.detune.value).to.equal(92);
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instance.dispose();
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});
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it("can connect to detune and frequency", function(){
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var instance = new Constr(args);
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Test.connect(instance.frequency);
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Test.connect(instance.detune);
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instance.dispose();
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});
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it("can get/set the phase", function(){
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var osc = new Constr({
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"phase" : 180,
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});
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expect(osc.phase).to.be.closeTo(180, 0.001);
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osc.phase = 270;
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expect(osc.phase).to.be.closeTo(270, 0.001);
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osc.dispose();
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});
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it("has a restart method", function(){
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var osc = new Constr();
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expect(osc.restart).to.exist;
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expect(osc.restart).is.not.equal(Tone.noOp);
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osc.dispose();
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});
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it("does not clip in volume", function(){
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return Offline(function(){
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new Constr(args).toMaster().start(0);
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}).then(function(buffer){
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expect(buffer.max()).to.be.at.most(1);
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});
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});
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});
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};
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});
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