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IntervalTimeline testing
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Yotam Mann
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1 changed files with 390 additions and 0 deletions
390
test/core/IntervalTimeline.js
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390
test/core/IntervalTimeline.js
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define(["Test", "Tone/core/IntervalTimeline", "helper/Basic"], function (Test, IntervalTimeline, Basic) {
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describe("IntervalTimeline", function(){
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Basic(IntervalTimeline);
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context("inserting/deleting events", function(){
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it ("accepts events into the timeline", function(){
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var sched = new IntervalTimeline();
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sched.addEvent({
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"state" : "A",
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"duration" : 0.2,
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"time" : 0
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});
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sched.addEvent({
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"state" : "B",
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"duration" : 0.4,
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"time" : 1
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});
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sched.addEvent({
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"state" : "C",
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"duration" : 12,
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"time" : 2
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});
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sched.dispose();
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});
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it ("computes the lenght of the timeline correctly after adding events", function(){
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var sched = new IntervalTimeline();
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sched.addEvent({
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"state" : "A",
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"duration" : 0.2,
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"time" : 0
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});
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sched.addEvent({
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"state" : "B",
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"duration" : 0.4,
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"time" : 1
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});
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sched.addEvent({
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"state" : "C",
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"duration" : 12,
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"time" : 2
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});
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expect(sched.length).to.equal(3);
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sched.dispose();
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});
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it ("can remove events from the timeline", function(){
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var sched = new IntervalTimeline();
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var ev0 = {
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"duration" : 0.2,
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"time" : 0
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};
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var ev1 = {
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"duration" : 0.2,
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"time" : 0
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};
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var ev2 = {
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"duration" : 0.2,
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"time" : 0
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};
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sched.addEvent(ev0);
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sched.addEvent(ev1);
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sched.addEvent(ev2);
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expect(sched.length).to.equal(3);
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sched.removeEvent(ev0);
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sched.removeEvent(ev1);
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expect(sched.length).to.equal(1);
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sched.dispose();
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});
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it ("can add and remove and add again events from the timeline", function(){
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var sched = new IntervalTimeline();
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var ev0 = {
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"duration" : 0.2,
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"time" : 0
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};
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var ev1 = {
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"duration" : 0.2,
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"time" : 0
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};
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var ev2 = {
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"duration" : 0.2,
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"time" : 0
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};
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sched.addEvent(ev0);
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sched.addEvent(ev1);
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sched.addEvent(ev2);
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expect(sched.length).to.equal(3);
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sched.removeEvent(ev0);
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sched.removeEvent(ev1);
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expect(sched.length).to.equal(1);
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sched.addEvent(ev0);
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sched.addEvent(ev1);
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expect(sched.length).to.equal(3);
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sched.dispose();
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});
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it ("throws an error if events do not have both time and duration attributes", function(){
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var sched = new IntervalTimeline();
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expect(function(){
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sched.addEvent({
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"time" : 0
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});
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}).to.throw(Error);
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expect(function(){
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sched.addEvent({
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"duration" : 0
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});
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}).to.throw(Error);
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sched.dispose();
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});
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});
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context("getting events", function(){
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it ("returns null when no events are in the timeline", function(){
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var sched = new IntervalTimeline();
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expect(sched.getEvent(3)).to.equal(null);
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sched.dispose();
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});
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it ("returns the event which overlaps the given time", function(){
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var sched = new IntervalTimeline();
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sched.addEvent({
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"state" : "A",
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"duration" : Infinity,
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"time" : 0
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});
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sched.addEvent({
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"state" : "B",
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"duration" : 0.4,
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"time" : 1
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});
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sched.addEvent({
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"state" : "C",
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"duration" : 12,
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"time" : 2
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});
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expect(sched.getEvent(0.2).state).to.equal("A");
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sched.dispose();
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});
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it ("factors in start position and duration when checking for overlaps", function(){
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var sched = new IntervalTimeline();
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sched.addEvent({
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"duration" : 0.4,
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"time" : 0
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});
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expect(sched.getEvent(0.5)).to.be.null;
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expect(sched.getEvent(-1)).to.be.null;
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expect(sched.getEvent(0)).to.not.be.null;
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expect(sched.getEvent(0.4)).to.not.be.null;
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sched.dispose();
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});
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it ("returns the event whose start is closest to the given time", function(){
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var sched = new IntervalTimeline();
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sched.addEvent({
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"state" : "A",
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"duration" : Infinity,
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"time" : 0
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});
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sched.addEvent({
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"state" : "B",
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"duration" : 0.4,
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"time" : 0.2
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});
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sched.addEvent({
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"state" : "C",
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"duration" : 12,
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"time" : 2
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});
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expect(sched.getEvent(0.2).state).to.equal("B");
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sched.dispose();
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});
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it ("returns the events correctly after some events are removed", function(){
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var sched = new IntervalTimeline();
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var ev0 = {
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"state" : "A",
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"duration" : 0.2,
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"time" : 0.1
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};
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var ev1 = {
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"state" : "B",
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"duration" : 0.3,
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"time" : 0.2
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};
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var ev2 = {
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"state" : "C",
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"duration" : Infinity,
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"time" : 0
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};
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sched.addEvent(ev0);
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sched.addEvent(ev1);
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sched.addEvent(ev2);
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sched.removeEvent(ev0);
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sched.removeEvent(ev1);
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expect(sched.getEvent(0.2)).to.not.be.null;
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expect(sched.getEvent(0.2).state).to.equal("C");
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sched.dispose();
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});
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});
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context("cancelling", function(){
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it ("can cancel items after the given time", function(){
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var sched = new IntervalTimeline();
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for (var i = 5; i < 100; i++){
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sched.addEvent({
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"time" : i,
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"duration" : 10
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});
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}
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sched.cancel(10);
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expect(sched.length).to.equal(5);
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sched.cancel(0);
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expect(sched.length).to.equal(0);
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sched.dispose();
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});
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it ("can handle many items", function(){
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var sched = new IntervalTimeline();
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for (var i = 0; i < 5000; i++){
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sched.addEvent({
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"time" : i,
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"duration" : i
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});
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}
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for (var j = 0; j < 5000; j++){
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expect(sched.getEvent(j).time).to.equal(j);
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}
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sched.dispose();
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});
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});
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context("Iterators", function(){
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it("iterates over all items and returns and item", function(){
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var sched = new IntervalTimeline();
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sched.addEvent({"time" : 0, "duration" : 5});
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sched.addEvent({"time" : 0.1, "duration" : 5});
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sched.addEvent({"time" : 0.2, "duration" : 5});
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sched.addEvent({"time" : 0.3, "duration" : 5});
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sched.addEvent({"time" : 0.4, "duration" : 5});
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var count = 0;
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sched.forEach(function(event){
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expect(event).to.be.an.object;
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count++;
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});
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expect(count).to.equal(5);
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sched.dispose();
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});
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it("iterates over all items overlapping the given time", function(){
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var sched = new IntervalTimeline();
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sched.addEvent({"time" : 0, "duration" : 5});
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sched.addEvent({"time" : 0.1, "duration" : 5});
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sched.addEvent({"time" : 0.2, "duration" : 5});
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sched.addEvent({"time" : 0.3, "duration" : 5});
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sched.addEvent({"time" : 0.4, "duration" : 5});
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var count = 0;
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sched.forEachOverlap(0.3, function(event){
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expect(event).to.be.an.object;
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expect(event.time).to.be.at.most(0.3);
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count++;
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});
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expect(count).to.equal(4);
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sched.dispose();
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});
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it("handles time ranges before the available objects", function(){
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var sched = new IntervalTimeline();
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sched.addEvent({"time" : 0.1, "duration" : 5});
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sched.addEvent({"time" : 0.2, "duration" : 5});
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sched.addEvent({"time" : 0.3, "duration" : 5});
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sched.addEvent({"time" : 0.4, "duration" : 5});
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var count = 0;
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sched.forEachOverlap(0, function(){
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count++;
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});
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expect(count).to.equal(0);
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sched.dispose();
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});
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it("handles time ranges after the available objects", function(){
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var sched = new IntervalTimeline();
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sched.addEvent({"time" : 0.1, "duration" : 5});
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sched.addEvent({"time" : 0.2, "duration" : 5});
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sched.addEvent({"time" : 0.3, "duration" : 5});
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sched.addEvent({"time" : 0.4, "duration" : 5});
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var count = 0;
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sched.forEachOverlap(5.5, function(){
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count++;
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});
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expect(count).to.equal(0);
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sched.dispose();
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});
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it("iterates over all items after the given time", function(){
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var sched = new IntervalTimeline();
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sched.addEvent({"time" : 0.1, "duration" : 5});
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sched.addEvent({"time" : 0.2, "duration" : 5});
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sched.addEvent({"time" : 0.3, "duration" : 5});
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sched.addEvent({"time" : 0.4, "duration" : 5});
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var count = 0;
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sched.forEachAfter(0.2, function(event){
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expect(event).to.be.an.object;
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expect(event.time).to.be.gte(0.2);
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count++;
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});
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expect(count).to.equal(3);
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sched.dispose();
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});
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it("handles time ranges after the available objects", function(){
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var sched = new IntervalTimeline();
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sched.addEvent({"time" : 0.1, "duration" : 5});
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sched.addEvent({"time" : 0.2, "duration" : 5});
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sched.addEvent({"time" : 0.3, "duration" : 5});
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sched.addEvent({"time" : 0.4, "duration" : 5});
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var count = 0;
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sched.forEachAfter(0.5, function(){
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count++;
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});
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expect(count).to.equal(0);
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sched.dispose();
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});
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it("iterates over all items", function(){
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var sched = new IntervalTimeline();
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sched.addEvent({"time" : 0.1, "duration" : 5});
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sched.addEvent({"time" : 0.2, "duration" : 5});
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sched.addEvent({"time" : 0.3, "duration" : 5});
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sched.addEvent({"time" : 0.4, "duration" : 5});
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var count = 0;
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sched.forEach(function(){
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count++;
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});
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expect(count).to.equal(4);
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sched.dispose();
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});
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it("can remove items during forEach iterations", function(){
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var sched = new IntervalTimeline();
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for (var i = 0; i < 1000; i++){
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sched.addEvent({"time" : i, "duration" : 0.01});
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}
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sched.forEach(function(event){
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sched.removeEvent(event);
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});
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expect(sched.length).to.equal(0);
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sched.dispose();
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});
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it("can remove items during forEachOverlap iterations", function(){
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var sched = new IntervalTimeline();
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for (var i = 0; i < 1000; i++){
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sched.addEvent({"time" : i, "duration" : Infinity});
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}
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sched.forEachOverlap(1000, function(event){
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sched.removeEvent(event);
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});
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expect(sched.length).to.equal(0);
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sched.dispose();
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});
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it("can remove items during forEachAfter iterations", function(){
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var sched = new IntervalTimeline();
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for (var i = 0; i < 1000; i++){
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sched.addEvent({"time" : i, "duration" : Infinity});
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}
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sched.forEachAfter(0, function(event){
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sched.removeEvent(event);
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});
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expect(sched.length).to.equal(0);
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sched.dispose();
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});
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});
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});
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});
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