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https://github.com/Tonejs/Tone.js
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72 lines
2 KiB
JavaScript
72 lines
2 KiB
JavaScript
import BasicTests from "helper/Basic";
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import AMOscillator from "Tone/source/AMOscillator";
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import Offline from "helper/Offline";
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import SourceTests from "helper/SourceTests";
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import OscillatorTests from "helper/OscillatorTests";
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import Test from "helper/Test";
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import CompareToFile from "helper/CompareToFile";
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describe("AMOscillator", function(){
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//run the common tests
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BasicTests(AMOscillator);
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SourceTests(AMOscillator);
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OscillatorTests(AMOscillator);
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it("matches a file", function(){
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return CompareToFile(function(){
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var osc = new AMOscillator().toMaster();
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osc.start(0.1).stop(0.4);
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}, "amOscillator.wav", 0.01);
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});
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context("Amplitude Modulation", function(){
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it("can pass in parameters in the constructor", function(){
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var amOsc = new AMOscillator({
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"type" : "triangle2",
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"harmonicity" : 3,
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"modulationType" : "square3"
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});
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expect(amOsc.type).to.equal("triangle2");
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expect(amOsc.harmonicity.value).to.be.closeTo(3, 0.001);
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expect(amOsc.modulationType).to.equal("square3");
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amOsc.dispose();
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});
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it("can set the harmonicity", function(){
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var amOsc = new AMOscillator();
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amOsc.harmonicity.value = 0.2;
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expect(amOsc.harmonicity.value).to.be.closeTo(0.2, 0.001);
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amOsc.dispose();
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});
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it("can set the modulationType", function(){
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var amOsc = new AMOscillator();
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amOsc.modulationType = "triangle5";
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expect(amOsc.modulationType).to.equal("triangle5");
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amOsc.dispose();
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});
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it("can get/set the baseType", function(){
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var osc = new AMOscillator();
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osc.type = "sine5";
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expect(osc.baseType).to.equal("sine");
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osc.baseType = "triangle";
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expect(osc.type).to.equal("triangle5");
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expect(osc.partialCount).to.equal(5);
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osc.partialCount = 2;
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expect(osc.type).to.equal("triangle2");
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osc.baseType = "custom";
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expect(osc.type).to.equal("custom");
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osc.partials = [1, 2, 3];
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expect(osc.baseType).to.equal("custom");
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expect(osc.partials).to.deep.equal([1, 2, 3]);
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osc.baseType = "square";
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expect(osc.type).to.equal("square");
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osc.dispose();
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});
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});
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});
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