mirror of
https://github.com/Tonejs/Tone.js
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268 lines
No EOL
11 KiB
JavaScript
268 lines
No EOL
11 KiB
JavaScript
define(["Test", "Tone/signal/TickSignal", "helper/Offline"],
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function (Test, TickSignal, Offline) {
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describe("TickSignal", function(){
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it("can be created and disposed", function(){
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var tickSignal = new TickSignal();
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tickSignal.dispose();
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Test.wasDisposed(tickSignal);
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});
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it("can schedule a change in the future", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setValueAtTime(2, 0.2);
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tickSignal.dispose();
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});
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it("can schedule a ramp in the future", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setValueAtTime(2, 0);
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tickSignal.linearRampToValueAtTime(0.1, 0.2);
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tickSignal.exponentialRampToValueAtTime(1, 0.4);
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tickSignal.dispose();
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});
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it("calculates the ticks when no changes are scheduled", function(){
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var tickSignal0 = new TickSignal(2);
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expect(tickSignal0.getTickAtTime(1)).to.be.closeTo(2, 0.01);
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expect(tickSignal0.getTickAtTime(2)).to.be.closeTo(4, 0.01);
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tickSignal0.dispose();
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var tickSignal1 = new TickSignal(1);
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expect(tickSignal1.getTickAtTime(1)).to.be.closeTo(1, 0.01);
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expect(tickSignal1.getTickAtTime(2)).to.be.closeTo(2, 0.01);
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tickSignal1.dispose();
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});
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it("calculates the ticks in the future when a setValueAtTime is scheduled", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setValueAtTime(2, 0.5);
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expect(tickSignal.getTickAtTime(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTickAtTime(0.5)).to.be.closeTo(0.5, 0.01);
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expect(tickSignal.getTickAtTime(0.75)).to.be.closeTo(1, 0.01);
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expect(tickSignal.getTickAtTime(1)).to.be.closeTo(1.5, 0.01);
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tickSignal.dispose();
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});
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it("calculates the ticks in the future when multiple setValueAtTime are scheduled", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setValueAtTime(2, 1);
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tickSignal.setValueAtTime(4, 2);
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expect(tickSignal.getTickAtTime(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTickAtTime(0.5)).to.be.closeTo(0.5, 0.01);
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expect(tickSignal.getTickAtTime(1)).to.be.closeTo(1, 0.01);
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expect(tickSignal.getTickAtTime(1.5)).to.be.closeTo(2, 0.01);
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expect(tickSignal.getTickAtTime(2)).to.be.closeTo(3, 0.01);
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expect(tickSignal.getTickAtTime(2.5)).to.be.closeTo(5, 0.01);
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expect(tickSignal.getTickAtTime(3)).to.be.closeTo(7, 0.01);
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tickSignal.dispose();
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});
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it("if ticks are 0, getTickAtTime will return 0", function(){
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var tickSignal = new TickSignal(0);
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tickSignal.setValueAtTime(0, 1);
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tickSignal.linearRampToValueAtTime(0, 2);
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expect(tickSignal.getTickAtTime(0)).to.equal(0);
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expect(tickSignal.getTickAtTime(1)).to.equal(0);
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expect(tickSignal.getTickAtTime(2)).to.equal(0);
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expect(tickSignal.getTickAtTime(3)).to.equal(0);
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tickSignal.dispose();
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});
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it("calculates the ticks in the future when a linearRampToValueAtTime is scheduled", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setValueAtTime(1, 0);
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tickSignal.linearRampToValueAtTime(2, 1);
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expect(tickSignal.getTickAtTime(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTickAtTime(0.5)).to.be.closeTo(0.62, 0.01);
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expect(tickSignal.getTickAtTime(1)).to.be.closeTo(1.5, 0.01);
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expect(tickSignal.getTickAtTime(2)).to.be.closeTo(3.5, 0.01);
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tickSignal.dispose();
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});
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it("calculates the ticks in the future when multiple linearRampToValueAtTime are scheduled", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setValueAtTime(1, 0);
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tickSignal.linearRampToValueAtTime(2, 1);
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tickSignal.linearRampToValueAtTime(0, 2);
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expect(tickSignal.getTickAtTime(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTickAtTime(0.5)).to.be.closeTo(0.62, 0.01);
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expect(tickSignal.getTickAtTime(1)).to.be.closeTo(1.5, 0.01);
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expect(tickSignal.getTickAtTime(2)).to.be.closeTo(2.5, 0.01);
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expect(tickSignal.getTickAtTime(3)).to.be.closeTo(2.5, 0.01);
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tickSignal.dispose();
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});
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it("calculates the ticks in the future when a exponentialRampToValueAtTime is scheduled", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setValueAtTime(1, 0);
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tickSignal.exponentialRampToValueAtTime(2, 1);
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expect(tickSignal.getTickAtTime(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTickAtTime(0.5)).to.be.closeTo(0.6, 0.01);
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expect(tickSignal.getTickAtTime(1)).to.be.closeTo(1.5, 0.1);
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expect(tickSignal.getTickAtTime(2)).to.be.closeTo(3.5, 0.1);
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expect(tickSignal.getTickAtTime(3)).to.be.closeTo(5.5, 0.1);
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tickSignal.dispose();
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});
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it("calculates the ticks in the future when multiple exponentialRampToValueAtTime are scheduled", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setValueAtTime(1, 0);
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tickSignal.exponentialRampToValueAtTime(2, 1);
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tickSignal.exponentialRampToValueAtTime(0, 2);
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expect(tickSignal.getTickAtTime(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTickAtTime(0.5)).to.be.closeTo(0.6, 0.01);
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expect(tickSignal.getTickAtTime(1)).to.be.closeTo(1.5, 0.1);
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expect(tickSignal.getTickAtTime(2)).to.be.closeTo(1.66, 0.1);
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expect(tickSignal.getTickAtTime(3)).to.be.closeTo(1.66, 0.1);
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tickSignal.dispose();
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});
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it("computes the time of a given tick when setTargetAtTime is scheduled", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setTargetAtTime(0.5, 0, 0.1);
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expect(tickSignal.getTimeOfTick(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTimeOfTick(1)).to.be.closeTo(1.88, 0.01);
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expect(tickSignal.getTimeOfTick(2)).to.be.closeTo(3.86, 0.01);
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tickSignal.dispose();
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});
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it("computes the time of a given tick when multiple setTargetAtTime are scheduled", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setTargetAtTime(0.5, 0, 0.1);
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tickSignal.setTargetAtTime(2, 1, 1);
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expect(tickSignal.getTimeOfTick(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTimeOfTick(1)).to.be.closeTo(1.5, 0.1);
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expect(tickSignal.getTimeOfTick(2)).to.be.closeTo(2.28, 0.1);
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tickSignal.dispose();
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});
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it("computes the time of a given tick when nothing is scheduled", function(){
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var tickSignal0 = new TickSignal(1);
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expect(tickSignal0.getTimeOfTick(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal0.getTimeOfTick(1)).to.be.closeTo(1, 0.01);
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expect(tickSignal0.getTimeOfTick(2)).to.be.closeTo(2, 0.01);
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expect(tickSignal0.getTimeOfTick(3)).to.be.closeTo(3, 0.01);
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tickSignal0.dispose();
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var tickSigna1 = new TickSignal(2);
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expect(tickSigna1.getTimeOfTick(0)).to.be.closeTo(0, 0.01);
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expect(tickSigna1.getTimeOfTick(1)).to.be.closeTo(0.5, 0.01);
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expect(tickSigna1.getTimeOfTick(2)).to.be.closeTo(1, 0.01);
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expect(tickSigna1.getTimeOfTick(3)).to.be.closeTo(1.5, 0.01);
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tickSigna1.dispose();
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});
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it("computes the time of a given tick when setValueAtTime is scheduled", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setValueAtTime(0.5, 1);
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expect(tickSignal.getTimeOfTick(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTimeOfTick(1)).to.be.closeTo(1, 0.01);
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expect(tickSignal.getTimeOfTick(2)).to.be.closeTo(3, 0.01);
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expect(tickSignal.getTimeOfTick(3)).to.be.closeTo(5, 0.01);
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tickSignal.dispose();
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});
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it("returns Infinity if the tick interval is 0", function(){
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var tickSignal = new TickSignal(0);
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expect(tickSignal.getTimeOfTick(1)).to.equal(Infinity);
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tickSignal.dispose();
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});
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it("computes the time of a given tick when multiple setValueAtTime are scheduled", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setValueAtTime(0.5, 1);
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tickSignal.setValueAtTime(0, 2);
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expect(tickSignal.getTimeOfTick(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTimeOfTick(1)).to.be.closeTo(1, 0.01);
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expect(tickSignal.getTimeOfTick(1.499)).to.be.closeTo(2, 0.01);
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expect(tickSignal.getTimeOfTick(2)).to.equal(Infinity);
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tickSignal.dispose();
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});
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it("computes the time of a given tick when a linearRampToValueAtTime is scheduled", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setValueAtTime(1, 0);
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tickSignal.linearRampToValueAtTime(2, 1);
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expect(tickSignal.getTimeOfTick(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTimeOfTick(1)).to.be.closeTo(0.75, 0.1);
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expect(tickSignal.getTimeOfTick(2)).to.be.closeTo(1.25, 0.1);
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expect(tickSignal.getTimeOfTick(3)).to.be.closeTo(1.75, 0.1);
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tickSignal.dispose();
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});
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it("computes the time of a given tick when multiple linearRampToValueAtTime are scheduled", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setValueAtTime(1, 0);
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tickSignal.linearRampToValueAtTime(2, 1);
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tickSignal.linearRampToValueAtTime(0, 2);
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expect(tickSignal.getTimeOfTick(0)).to.be.closeTo(0, 0.1);
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expect(tickSignal.getTimeOfTick(1)).to.be.closeTo(0.75, 0.1);
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expect(tickSignal.getTimeOfTick(2)).to.be.closeTo(1.25, 0.1);
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expect(tickSignal.getTimeOfTick(3)).to.equal(Infinity);
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tickSignal.dispose();
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});
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it("computes the time of a given tick when a exponentialRampToValueAtTime is scheduled", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.exponentialRampToValueAtTime(2, 1);
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expect(tickSignal.getTimeOfTick(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTimeOfTick(2)).to.be.closeTo(1.25, 0.1);
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expect(tickSignal.getTimeOfTick(3)).to.be.closeTo(1.75, 0.1);
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tickSignal.dispose();
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});
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it("computes the time of a given tick when multiple exponentialRampToValueAtTime are scheduled", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setValueAtTime(1, 0);
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tickSignal.exponentialRampToValueAtTime(2, 1);
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tickSignal.exponentialRampToValueAtTime(0, 2);
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expect(tickSignal.getTimeOfTick(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTimeOfTick(0.5)).to.be.closeTo(0.5, 0.1);
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expect(tickSignal.getTimeOfTick(1.5)).to.be.closeTo(1, 0.1);
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expect(tickSignal.getTimeOfTick(3)).to.equal(Infinity);
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tickSignal.dispose();
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});
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it("can schedule multiple types of curves", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setValueAtTime(1, 0);
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tickSignal.exponentialRampToValueAtTime(4, 1);
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tickSignal.linearRampToValueAtTime(0.2, 2);
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tickSignal.setValueAtTime(2, 3);
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tickSignal.linearRampToValueAtTime(2, 4);
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tickSignal.setTargetAtTime(8, 5, 0.2);
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for (var time = 0; time < 5; time+=0.2){
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var tick = tickSignal.getTickAtTime(time);
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expect(tickSignal.getTimeOfTick(tick)).to.be.closeTo(time, 0.1);
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}
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tickSignal.dispose();
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});
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it ("can get the duration of a tick at any point in time", function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setValueAtTime(2, 1);
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tickSignal.setValueAtTime(10, 2);
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expect(tickSignal.getDurationOfTicks(1, 0)).to.be.closeTo(1, 0.01);
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expect(tickSignal.getDurationOfTicks(1, 1)).to.be.closeTo(0.5, 0.01);
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expect(tickSignal.getDurationOfTicks(1, 2)).to.be.closeTo(0.1, 0.01);
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expect(tickSignal.getDurationOfTicks(2, 1.5)).to.be.closeTo(0.6, 0.01);
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});
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it("outputs a signal", function(){
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var sched;
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return Offline(function(){
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sched = new TickSignal(1).toMaster();
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sched.linearRampToValueBetween(3, 1, 2);
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}, 3).then(function(buffer){
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buffer.forEach(function(sample, time){
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expect(sample).to.be.closeTo(sched.getValueAtTime(time), 0.01);
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});
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});
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});
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});
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}); |