mirror of
https://github.com/Tonejs/Tone.js
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392 lines
16 KiB
JavaScript
392 lines
16 KiB
JavaScript
import Test from "helper/Test";
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import TickSignal from "Tone/signal/TickSignal";
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import Offline from "helper/Offline";
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import Signal from "Tone/signal/Signal";
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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.getTicksAtTime(1)).to.be.closeTo(2, 0.01);
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expect(tickSignal0.getTicksAtTime(2)).to.be.closeTo(4, 0.01);
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expect(tickSignal0.getTimeOfTick(4)).to.be.closeTo(2, 0.01);
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tickSignal0.dispose();
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var tickSignal1 = new TickSignal(1);
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expect(tickSignal1.getTicksAtTime(1)).to.be.closeTo(1, 0.01);
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expect(tickSignal1.getTicksAtTime(2)).to.be.closeTo(2, 0.01);
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expect(tickSignal1.getTimeOfTick(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.getTicksAtTime(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTicksAtTime(0.5)).to.be.closeTo(0.5, 0.01);
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expect(tickSignal.getTicksAtTime(0.75)).to.be.closeTo(1, 0.01);
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expect(tickSignal.getTicksAtTime(1)).to.be.closeTo(1.5, 0.01);
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expect(tickSignal.getTimeOfTick(1.5)).to.be.closeTo(1, 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.getTicksAtTime(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTicksAtTime(0.5)).to.be.closeTo(0.5, 0.01);
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expect(tickSignal.getTicksAtTime(1)).to.be.closeTo(1, 0.01);
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expect(tickSignal.getTicksAtTime(1.5)).to.be.closeTo(2, 0.01);
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expect(tickSignal.getTicksAtTime(2)).to.be.closeTo(3, 0.01);
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expect(tickSignal.getTicksAtTime(2.5)).to.be.closeTo(5, 0.01);
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expect(tickSignal.getTicksAtTime(3)).to.be.closeTo(7, 0.01);
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expect(tickSignal.getTimeOfTick(7)).to.be.closeTo(3, 0.01);
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tickSignal.dispose();
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});
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it("if ticks are 0, getTicksAtTime 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.getTicksAtTime(0)).to.equal(0);
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expect(tickSignal.getTicksAtTime(1)).to.equal(0);
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expect(tickSignal.getTicksAtTime(2)).to.equal(0);
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expect(tickSignal.getTicksAtTime(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.getTicksAtTime(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTicksAtTime(0.5)).to.be.closeTo(0.62, 0.01);
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expect(tickSignal.getTicksAtTime(1)).to.be.closeTo(1.5, 0.01);
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expect(tickSignal.getTicksAtTime(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.getTicksAtTime(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTicksAtTime(0.5)).to.be.closeTo(0.62, 0.01);
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expect(tickSignal.getTicksAtTime(1)).to.be.closeTo(1.5, 0.01);
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expect(tickSignal.getTicksAtTime(2)).to.be.closeTo(2.5, 0.01);
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expect(tickSignal.getTicksAtTime(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.getTicksAtTime(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTicksAtTime(0.5)).to.be.closeTo(0.6, 0.01);
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expect(tickSignal.getTicksAtTime(1)).to.be.closeTo(1.5, 0.1);
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expect(tickSignal.getTicksAtTime(2)).to.be.closeTo(3.5, 0.1);
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expect(tickSignal.getTicksAtTime(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.getTicksAtTime(0)).to.be.closeTo(0, 0.01);
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expect(tickSignal.getTicksAtTime(0.5)).to.be.closeTo(0.6, 0.01);
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expect(tickSignal.getTicksAtTime(1)).to.be.closeTo(1.5, 0.1);
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expect(tickSignal.getTicksAtTime(2)).to.be.closeTo(1.54, 0.1);
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expect(tickSignal.getTicksAtTime(3)).to.be.closeTo(1.54, 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(1.89, 0.01);
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expect(tickSignal.getTimeOfTick(2)).to.be.closeTo(3.89, 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.getTicksAtTime(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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return Offline(function(){
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var sched = new TickSignal(1).toMaster();
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sched.linearRampTo(3, 1, 0);
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}, 1.01).then(function(buffer){
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expect(buffer.getValueAtTime(0)).to.be.closeTo(1, 0.01);
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expect(buffer.getValueAtTime(0.5)).to.be.closeTo(2, 0.01);
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expect(buffer.getValueAtTime(1)).to.be.closeTo(3, 0.01);
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});
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});
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context("Ticks <-> Time", function(){
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it("converts from time to ticks", function(){
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return Offline(function(){
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var tickSignal = new TickSignal(20);
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expect(tickSignal.ticksToTime(20, 0).valueOf()).to.be.closeTo(1, 0.01);
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expect(tickSignal.ticksToTime(10, 0).valueOf()).to.be.closeTo(0.5, 0.01);
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expect(tickSignal.ticksToTime(10, 10).valueOf()).to.be.closeTo(0.5, 0.01);
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tickSignal.dispose();
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});
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});
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it("converts from time to ticks with a linear ramp on the tempo", function(){
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return Offline(function(){
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var tickSignal = new TickSignal(1);
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tickSignal.linearRampTo(2, 2, 1);
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expect(tickSignal.ticksToTime(1, 0).valueOf()).to.be.closeTo(1, 0.01);
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expect(tickSignal.ticksToTime(1, 1).valueOf()).to.be.closeTo(0.82, 0.01);
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expect(tickSignal.ticksToTime(2, 0).valueOf()).to.be.closeTo(1.82, 0.01);
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expect(tickSignal.ticksToTime(1, 3).valueOf()).to.be.closeTo(0.5, 0.01);
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tickSignal.dispose();
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});
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});
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it("converts from time to ticks with a setValueAtTime", function(){
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return Offline(function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setValueAtTime(2, 1);
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expect(tickSignal.ticksToTime(1, 0).valueOf()).to.be.closeTo(1, 0.01);
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expect(tickSignal.ticksToTime(1, 1).valueOf()).to.be.closeTo(0.5, 0.01);
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expect(tickSignal.ticksToTime(2, 0).valueOf()).to.be.closeTo(1.5, 0.01);
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expect(tickSignal.ticksToTime(1, 3).valueOf()).to.be.closeTo(0.5, 0.01);
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expect(tickSignal.ticksToTime(1, 0.5).valueOf()).to.be.closeTo(0.75, 0.01);
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tickSignal.dispose();
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});
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});
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it("converts from time to ticks with an exponential ramp", function(){
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return Offline(function(){
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var tickSignal = new TickSignal(1);
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tickSignal.exponentialRampTo(2, 1, 1);
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expect(tickSignal.ticksToTime(1, 0).valueOf()).to.be.closeTo(1, 0.01);
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expect(tickSignal.ticksToTime(1, 1).valueOf()).to.be.closeTo(0.75, 0.01);
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expect(tickSignal.ticksToTime(2, 0).valueOf()).to.be.closeTo(1.75, 0.01);
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expect(tickSignal.ticksToTime(1, 3).valueOf()).to.be.closeTo(0.5, 0.01);
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tickSignal.dispose();
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});
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});
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it("converts from time to ticks with a setTargetAtTime", function(){
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return Offline(function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setTargetAtTime(2, 1, 1);
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expect(tickSignal.ticksToTime(1, 0).valueOf()).to.be.closeTo(1, 0.01);
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expect(tickSignal.ticksToTime(1, 1).valueOf()).to.be.closeTo(0.79, 0.01);
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expect(tickSignal.ticksToTime(2, 0).valueOf()).to.be.closeTo(1.79, 0.01);
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expect(tickSignal.ticksToTime(1, 3).valueOf()).to.be.closeTo(0.61, 0.01);
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tickSignal.dispose();
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});
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});
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it("converts from ticks to time", function(){
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return Offline(function(){
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var tickSignal = new TickSignal(20);
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expect(tickSignal.timeToTicks(1, 0).valueOf()).to.be.closeTo(20, 0.01);
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expect(tickSignal.timeToTicks(0.5, 0).valueOf()).to.be.closeTo(10, 0.01);
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expect(tickSignal.timeToTicks(0.5, 2).valueOf()).to.be.closeTo(10, 0.01);
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tickSignal.dispose();
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});
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});
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it("converts from ticks to time with a setValueAtTime", function(){
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return Offline(function(){
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var tickSignal = new TickSignal(1);
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tickSignal.setValueAtTime(2, 1);
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expect(tickSignal.timeToTicks(1, 0).valueOf()).to.be.closeTo(1, 0.01);
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expect(tickSignal.timeToTicks(1, 1).valueOf()).to.be.closeTo(2, 0.01);
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expect(tickSignal.timeToTicks(1, 2).valueOf()).to.be.closeTo(2, 0.01);
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expect(tickSignal.timeToTicks(1, 0.5).valueOf()).to.be.closeTo(1.5, 0.01);
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tickSignal.dispose();
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});
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});
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it("converts from ticks to time with a linear ramp", function(){
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return Offline(function(){
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var tickSignal = new TickSignal(1);
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tickSignal.linearRampTo(2, 1, 1);
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expect(tickSignal.timeToTicks(1, 0).valueOf()).to.be.closeTo(1, 0.01);
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expect(tickSignal.timeToTicks(1, 1).valueOf()).to.be.closeTo(1.5, 0.01);
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expect(tickSignal.timeToTicks(1, 2).valueOf()).to.be.closeTo(2, 0.01);
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expect(tickSignal.timeToTicks(1, 0.5).valueOf()).to.be.closeTo(1.12, 0.01);
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tickSignal.dispose();
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|
});
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|
});
|
|
|
|
it("converts from ticks to time with an exponential ramp", function(){
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|
return Offline(function(){
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|
var tickSignal = new TickSignal(1);
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|
tickSignal.exponentialRampTo(2, 1, 1);
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|
expect(tickSignal.timeToTicks(1, 0).valueOf()).to.be.closeTo(1, 0.01);
|
|
expect(tickSignal.timeToTicks(1, 1).valueOf()).to.be.closeTo(1.44, 0.01);
|
|
expect(tickSignal.timeToTicks(1, 2).valueOf()).to.be.closeTo(2, 0.01);
|
|
expect(tickSignal.timeToTicks(1, 0.5).valueOf()).to.be.closeTo(1.09, 0.01);
|
|
tickSignal.dispose();
|
|
});
|
|
});
|
|
|
|
it("converts from ticks to time with a setTargetAtTime", function(){
|
|
return Offline(function(){
|
|
var tickSignal = new TickSignal(1);
|
|
tickSignal.setTargetAtTime(2, 1, 1);
|
|
expect(tickSignal.timeToTicks(1, 0).valueOf()).to.be.closeTo(1, 0.01);
|
|
expect(tickSignal.timeToTicks(1, 1).valueOf()).to.be.closeTo(1.31, 0.01);
|
|
expect(tickSignal.timeToTicks(1, 2).valueOf()).to.be.closeTo(1.63, 0.01);
|
|
expect(tickSignal.timeToTicks(1, 0.5).valueOf()).to.be.closeTo(1.07, 0.01);
|
|
tickSignal.dispose();
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|