mirror of
https://github.com/Tonejs/Tone.js
synced 2024-11-16 16:48:00 +00:00
595671515a
Fixes #30 and Fixes #9
409 lines
No EOL
9.3 KiB
JavaScript
409 lines
No EOL
9.3 KiB
JavaScript
/* global it, describe, maxTimeout */
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define(["tests/Core", "chai", "Tone/signal/Signal", "Tone/signal/Add", "Tone/signal/Multiply",
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"Tone/signal/Scale", "Tone/source/Oscillator", "Tone/core/Master", "Tone/signal/Abs", "Tone/signal/Negate",
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"Tone/signal/Max", "Tone/signal/Min", "Tone/signal/Clip", "Tone/signal/ScaleExp", "Tone/signal/Modulo", "tests/Common"],
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function(core, chai, Signal, Add, Multiply, Scale, Oscillator, Master, Abs, Negate, Max, Min, Clip, ScaleExp, Modulo, Test){
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var expect = chai.expect;
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Master.mute();
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//ADD
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describe("Tone.Add", function(){
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this.timeout(maxTimeout);
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it("can be created and disposed", function(){
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var a = new Add(1);
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a.dispose();
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Test.wasDisposed(a, expect);
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});
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it("correctly sums a signal and a number", function(done){
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var signal, adder;
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Test.offlineTest(0.2, function(dest){
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signal = new Signal(0);
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adder = new Add(3);
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signal.connect(adder);
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adder.connect(dest);
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}, function(sample){
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expect(sample).to.equal(3);
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}, function(){
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signal.dispose();
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adder.dispose();
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done();
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});
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});
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it("can handle negative values", function(done){
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var signal, adder;
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Test.offlineTest(0.2, function(dest){
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signal = new Signal(10);
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adder = new Add(-1);
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signal.connect(adder);
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adder.connect(dest);
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}, function(sample){
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expect(sample).to.equal(9);
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}, function(){
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signal.dispose();
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adder.dispose();
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done();
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});
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});
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});
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//MULTIPLY
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describe("Tone.Multiply", function(){
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this.timeout(maxTimeout);
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it("can be created and disposed", function(){
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var m = new Multiply(1);
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m.dispose();
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Test.wasDisposed(m, expect);
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});
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it("correctly multiplys a signal and a scalar", function(done){
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var signal, mult;
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Test.offlineTest(0.2, function(dest){
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signal = new Signal(2);
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mult = new Multiply(10);
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signal.connect(mult);
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mult.connect(dest);
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}, function(sample){
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expect(sample).to.equal(20);
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}, function(){
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signal.dispose();
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mult.dispose();
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done();
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});
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});
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});
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describe("Tone.Scale", function(){
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this.timeout(maxTimeout);
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it("can be created and disposed", function(){
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var s = new Scale(0, 10);
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s.dispose();
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Test.wasDisposed(s, expect);
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});
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it("scales an input range to an output range", function(done){
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//make an oscillator to drive the signal
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var osc, scale;
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Test.offlineTest(0.2, function(dest){
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osc = new Oscillator(1000);
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scale = new Scale(-1, 1, 10, 20);
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osc.connect(scale);
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scale.connect(dest);
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}, function(sample){
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expect(sample).to.be.within(10, 20);
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}, function(){
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osc.dispose();
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scale.dispose();
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done();
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});
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});
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});
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//SCALE
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describe("Tone.ScaleExp", function(){
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this.timeout(maxTimeout);
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it("can be created and disposed", function(){
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var s = new ScaleExp(0, 10, 2);
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s.dispose();
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Test.wasDisposed(s, expect);
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});
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it("scales a signal exponentially", function(done){
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var signal, scale;
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Test.offlineTest(0.2, function(dest){
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signal = new Signal(0.5);
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scale = new ScaleExp(0, 1, 0, 1, 2);
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signal.connect(scale);
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scale.connect(dest);
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}, function(sample){
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expect(sample).to.be.closeTo(0.25, 0.01);
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}, function(){
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signal.dispose();
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scale.dispose();
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done();
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});
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});
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});
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describe("Tone.Abs", function(){
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this.timeout(maxTimeout);
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it("can be created and disposed", function(){
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var ab = new Abs();
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ab.dispose();
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Test.wasDisposed(ab, expect);
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});
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it("outputs the same value for positive values", function(done){
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var signal, abs;
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Test.offlineTest(0.2, function(dest){
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signal = new Signal(100);
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abs = new Abs();
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signal.connect(abs);
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abs.connect(dest);
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}, function(sample){
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expect(sample).to.equal(100);
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}, function(){
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signal.dispose();
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abs.dispose();
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done();
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});
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});
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it("outputs the absolute value for negative numbers", function(done){
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var signal, abs;
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Test.offlineTest(0.2, function(dest){
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signal = new Signal(-10);
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abs = new Abs();
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signal.connect(abs);
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abs.connect(dest);
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}, function(sample){
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expect(sample).to.equal(10);
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}, function(){
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signal.dispose();
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abs.dispose();
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done();
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});
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});
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});
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describe("Tone.Negate", function(){
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this.timeout(maxTimeout);
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it("can be created and disposed", function(){
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var neg = new Negate();
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neg.dispose();
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Test.wasDisposed(neg, expect);
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});
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it("negates a positive value", function(done){
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var signal, neg;
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Test.offlineTest(0.2, function(dest){
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signal = new Signal(1);
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neg = new Negate();
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signal.connect(neg);
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neg.connect(dest);
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}, function(sample){
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expect(sample).to.equal(-1);
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}, function(){
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signal.dispose();
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neg.dispose();
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done();
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});
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});
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it("makes a negative value positive", function(done){
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var signal, neg;
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Test.offlineTest(0.2, function(dest){
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signal = new Signal(-10);
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neg = new Negate();
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signal.connect(neg);
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neg.connect(dest);
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}, function(sample){
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expect(sample).to.equal(10);
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}, function(){
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signal.dispose();
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neg.dispose();
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done();
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});
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});
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});
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//Max
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describe("Tone.Max", function(){
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this.timeout(maxTimeout);
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it("can be created and disposed", function(){
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var max = new Max();
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max.dispose();
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Test.wasDisposed(max, expect);
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});
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it("outputs the set value when less than the incoming signal", function(done){
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var signal, max;
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Test.offlineTest(0.2, function(dest){
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signal = new Signal(1);
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max = new Max(2);
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signal.connect(max);
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max.connect(dest);
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}, function(sample){
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expect(sample).to.equal(2);
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}, function(){
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signal.dispose();
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max.dispose();
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done();
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});
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});
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it("outputs the incoming signal when greater than the max", function(done){
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var signal, max;
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Test.offlineTest(0.2, function(dest){
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signal = new Signal(10);
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max = new Max(-1);
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signal.connect(max);
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max.connect(dest);
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}, function(sample){
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expect(sample).to.equal(10);
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}, function(){
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signal.dispose();
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max.dispose();
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done();
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});
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});
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});
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//Max
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describe("Tone.Min", function(){
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this.timeout(maxTimeout);
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it("can be created and disposed", function(){
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var min = new Min();
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min.dispose();
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Test.wasDisposed(min, expect);
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});
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it("outputs the set value when greater than the incoming signal", function(done){
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var signal, min;
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Test.offlineTest(0.2, function(dest){
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signal = new Signal(4);
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min = new Min(2);
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signal.connect(min);
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min.connect(dest);
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}, function(sample){
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expect(sample).to.equal(2);
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}, function(){
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signal.dispose();
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min.dispose();
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done();
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});
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});
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it("outputs the incoming signal when less than the min", function(done){
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var signal, min;
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Test.offlineTest(0.2, function(dest){
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signal = new Signal(-12);
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min = new Min(-4);
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signal.connect(min);
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min.connect(dest);
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}, function(sample){
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expect(sample).to.equal(-12);
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}, function(){
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signal.dispose();
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min.dispose();
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done();
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});
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});
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});
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//Clip
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describe("Tone.Clip", function(){
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this.timeout(maxTimeout);
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it("can be created and disposed", function(){
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var clip = new Clip(0, 1);
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clip.dispose();
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Test.wasDisposed(clip, expect);
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});
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it("output the upper limit when signal is greater than clip", function(done){
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var signal, clip;
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Test.offlineTest(0.2, function(dest){
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signal = new Signal(4);
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clip = new Clip(2, 3);
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signal.connect(clip);
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clip.connect(dest);
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}, function(sample){
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expect(sample).to.equal(3);
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}, function(){
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signal.dispose();
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clip.dispose();
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done();
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});
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});
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it("outputs the incoming signal when in between upper and lower limit", function(done){
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var signal, clip;
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Test.offlineTest(0.2, function(dest){
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signal = new Signal(-12);
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clip = new Clip(-14, 14);
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signal.connect(clip);
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clip.connect(dest);
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}, function(sample){
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expect(sample).to.equal(-12);
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}, function(){
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signal.dispose();
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clip.dispose();
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done();
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});
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});
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it("outputs the lower limit when incoming signal is less than the lower limit", function(done){
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var signal, clip;
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Test.offlineTest(0.2, function(dest){
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signal = new Signal(-12);
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clip = new Clip(0, 8);
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signal.connect(clip);
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clip.connect(dest);
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}, function(sample){
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expect(sample).to.equal(0);
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}, function(){
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signal.dispose();
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clip.dispose();
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done();
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});
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});
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});
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describe("Tone.Modulo", function(){
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this.timeout(maxTimeout);
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it("can be created and disposed", function(){
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var mod = new Modulo(1);
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mod.dispose();
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Test.wasDisposed(mod, expect);
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});
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it("can evaluate modulus on integers", function(done){
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var signal, mod;
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Test.offlineTest(0.2, function(dest){
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signal = new Signal(4);
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mod = new Modulo(3);
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signal.connect(mod);
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mod.connect(dest);
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}, function(sample){
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expect(sample).to.equal(1);
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}, function(){
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signal.dispose();
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mod.dispose();
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done();
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});
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});
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it("can evaluate modulus on floats", function(done){
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var signal, mod;
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Test.offlineTest(0.2, function(dest){
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signal = new Signal(1.1);
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mod = new Modulo(1);
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signal.connect(mod);
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mod.connect(dest);
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}, function(sample){
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expect(sample).to.be.closeTo(0.1, 0.0001);
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}, function(){
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signal.dispose();
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mod.dispose();
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done();
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});
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});
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});
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}); |