mirror of
https://github.com/Tonejs/Tone.js
synced 2024-11-16 16:48:00 +00:00
81 lines
2.8 KiB
JavaScript
81 lines
2.8 KiB
JavaScript
define(["helper/Test", "Tone/core/TimelineState"], function(Test, TimelineState){
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describe("TimelineState", function(){
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it("can be created and disposed", function(){
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var sched = new TimelineState();
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sched.dispose();
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Test.wasDisposed(sched);
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});
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it("can schedule a state at a given time", function(){
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var sched = new TimelineState();
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sched.setStateAtTime("A", 0);
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sched.setStateAtTime("B", 1);
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sched.setStateAtTime("C", 1);
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sched.dispose();
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});
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it("can get a state at a given time", function(){
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var sched = new TimelineState();
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sched.setStateAtTime("A", 0);
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sched.setStateAtTime("B", 1);
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sched.setStateAtTime("C", 2);
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expect(sched.getValueAtTime(1)).to.equal("B");
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expect(sched.getValueAtTime(0.999)).to.equal("A");
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sched.dispose();
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});
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it("returns undefined if it's before any scheduled states", function(){
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var sched = new TimelineState();
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sched.setStateAtTime("A", 0);
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sched.setStateAtTime("B", 1);
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sched.setStateAtTime("C", 2);
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expect(sched.getValueAtTime(-11)).is.undefined;
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sched.dispose();
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});
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it("returns initial state if defined and query time is before any scheduled states", function(){
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var sched = new TimelineState("initial");
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sched.setStateAtTime("A", 20);
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sched.setStateAtTime("B", 21);
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sched.setStateAtTime("C", 22);
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expect(sched.getValueAtTime(0)).is.equal("initial");
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sched.dispose();
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});
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it("gets the last occurance of the state at or before the given time", function(){
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var sched = new TimelineState();
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sched.setStateAtTime("A", 0);
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sched.setStateAtTime("B", 1);
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sched.setStateAtTime("C", 2);
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sched.setStateAtTime("B", 3);
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expect(sched.getLastState("B", 1)).exists;
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expect(sched.getLastState("B", 1).state).is.equal("B");
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expect(sched.getLastState("B", 2)).exists;
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expect(sched.getLastState("B", 2).state).is.equal("B");
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expect(sched.getLastState("B", 2).time).is.equal(1);
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expect(sched.getLastState("B", 0.9)).not.exists;
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expect(sched.getLastState("B", 4).state).is.equal("B");
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expect(sched.getLastState("B", 4).time).is.equal(3);
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sched.dispose();
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});
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it("gets the next occurance of the state at or before the given time", function(){
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var sched = new TimelineState();
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sched.setStateAtTime("A", 0);
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sched.setStateAtTime("B", 1);
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sched.setStateAtTime("C", 2);
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sched.setStateAtTime("B", 3);
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expect(sched.getNextState("B", 1)).exists;
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expect(sched.getNextState("B", 1).state).is.equal("B");
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expect(sched.getNextState("B", 2)).exists;
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expect(sched.getNextState("B", 2).state).is.equal("B");
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expect(sched.getNextState("B", 2).time).is.equal(3);
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expect(sched.getNextState("B", 0.9)).exists;
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expect(sched.getNextState("B", 0.9).state).is.equal("B");
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expect(sched.getNextState("B", 0.9).time).is.equal(1);
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sched.dispose();
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});
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});
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});
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