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Timeline.mjs
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Timeline.mjs
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import { describe, finish } from '../index.mjs';
import { Timeline, isTimeline } from '../source/Timeline.mjs';
const TEMPLATE = function(assert) {
let bar = 132;
assert(bar, 123);
setTimeout(() => {
assert(true);
}, 1000);
};
const TOLERANCE = 16; // node.js/libuv uses 16ms callstack
describe('new Timeline()', function(assert) {
let timeline = new Timeline(5);
assert(timeline.index, 0);
assert(timeline.length, 5);
assert(timeline.data[0], null);
assert(timeline.data[1], null);
assert(timeline.data[2], null);
assert(timeline.data[3], null);
assert(timeline.data[4], null);
});
describe('Timeline.isTimeline()', function(assert) {
let timeline = Timeline.from(5);
assert(typeof Timeline.isTimeline, 'function');
assert(Timeline.isTimeline(timeline), true);
});
describe('isTimeline()', function(assert) {
let timeline = Timeline.from(5);
assert(typeof isTimeline, 'function');
assert(isTimeline(timeline), true);
});
describe('Timeline.from()', function(assert) {
let timeline1 = Timeline.from(null);
let timeline2 = Timeline.from(5);
let timeline3 = Timeline.from(TEMPLATE);
let timeline4 = Timeline.from([ 13, 37, null ]);
let timeline5 = Timeline.from([ null, {}, 13 ]);
assert(timeline1.index, 0);
assert(timeline2.index, 0);
assert(timeline3.index, 0);
assert(timeline4.index, 0);
assert(timeline5.index, 0);
assert(timeline1.start, null);
assert(timeline2.start, null);
assert(timeline3.start, null);
assert(timeline4.start, null);
assert(timeline5.start, null);
assert(timeline1.length, 0);
assert(timeline2.length, 5);
assert(timeline3.length, 2);
assert(timeline4.length, 3);
assert(timeline5.length, 3);
assert(timeline2.data[0], null);
assert(timeline2.data[1], null);
assert(timeline2.data[2], null);
assert(timeline2.data[3], null);
assert(timeline2.data[4], null);
assert(timeline3.data[0], null);
assert(timeline3.data[1], null);
assert(timeline4.data[0], 13);
assert(timeline4.data[1], 37);
assert(timeline4.data[2], null);
assert(timeline5.data[0], null);
assert(timeline5.data[1], null);
assert(timeline5.data[2], 13);
});
describe('Timeline.prototype.toString()', function(assert) {
let timeline = Timeline.from(null);
assert(timeline.toString(), '[object Timeline]');
assert(Object.prototype.toString.call(timeline), '[object Timeline]');
});
describe('Timeline.prototype.complete()', function(assert) {
let timeline = Timeline.from(4);
assert(timeline.start, null);
timeline.time();
assert(timeline.start !== null);
assert(timeline.complete(), false);
timeline.time();
assert(timeline.complete(), false);
timeline.time();
assert(timeline.complete(), false);
timeline.time();
assert(timeline.complete(), false);
timeline.time();
assert(timeline.complete(), true);
});
describe('Timeline.prototype.current()', function(assert) {
let timeline = Timeline.from(4);
assert(timeline.current(), 0);
assert(timeline.index, 0);
timeline.time();
assert(timeline.current(), 0);
assert(timeline.index, 0);
timeline.time();
assert(timeline.current(), 1);
assert(timeline.index, 1);
timeline.time();
assert(timeline.current(), 2);
assert(timeline.index, 2);
timeline.time();
assert(timeline.current(), 3);
assert(timeline.index, 3);
timeline.time();
assert(timeline.current(), 4);
assert(timeline.index, 4);
});
describe('Timeline.prototype.progress()', function(assert) {
let timeline = Timeline.from(2);
assert(timeline.progress(), 0);
timeline.time();
assert(timeline.progress(), 0);
setTimeout(() => {
assert(timeline.progress() >= 100);
assert(timeline.progress() <= 100 + TOLERANCE);
}, 100);
setTimeout(() => {
assert(timeline.progress() >= 200);
assert(timeline.progress() <= 200 + TOLERANCE);
}, 200);
setTimeout(() => {
assert(timeline.progress() >= 300);
assert(timeline.progress() <= 300 + TOLERANCE);
}, 300);
setTimeout(() => {
assert(timeline.progress() >= 400);
assert(timeline.progress() <= 400 + TOLERANCE);
}, 400);
setTimeout(() => {
assert(timeline.progress() >= 500);
assert(timeline.progress() <= 500 + TOLERANCE);
}, 500);
});
describe('Timeline.prototype.includes()', function(assert) {
let timeline1 = Timeline.from([ 13, 37, null ]);
let timeline2 = Timeline.from([ 13, 12, 37 ]);
let timeline3 = Timeline.from([ 13, null, 13 ]);
let timeline4 = Timeline.from([ 37, null, 37 ]);
assert(timeline1.includes(13), true);
assert(timeline1.includes(37), true);
assert(timeline1.includes(null), true);
assert(timeline2.includes(13), true);
assert(timeline2.includes(37), true);
assert(timeline2.includes(null), false);
assert(timeline3.includes(13), true);
assert(timeline3.includes(37), false);
assert(timeline3.includes(null), true);
assert(timeline4.includes(13), false);
assert(timeline4.includes(37), true);
assert(timeline4.includes(null), true);
});
describe('Timeline.prototype.render()', function(assert) {
let timeline1 = Timeline.from([ 13, 37, null ]);
let timeline2 = Timeline.from([ 13, 12, 37 ]);
let timeline3 = Timeline.from([ 13, 999, 3713 ]);
let timeline4 = Timeline.from([ 37, null, 1337 ]);
let timeline5 = Timeline.from([ 13, null, null ]);
let timeline6 = Timeline.from(0);
assert(timeline1.render(), '| 13ms| 37ms| ? |');
assert(timeline2.render(), '| 13ms| 12ms| 37ms|');
assert(timeline3.render(), '| 13ms|999ms| 4s |');
assert(timeline4.render(), '| 37ms| ? | 1s |');
assert(timeline5.render(), '| 13ms| ? | ? |');
assert(timeline6.render(), '| no assert() calls |');
});
describe('Timeline.prototype.reset()', function(assert) {
let timeline = Timeline.from(3);
assert(timeline.index, 0);
assert(timeline.start, null);
assert(timeline.data[0], null);
assert(timeline.data[1], null);
assert(timeline.data[2], null);
assert(timeline.length, 3);
timeline.time();
setTimeout(() => {
timeline.time();
}, 100);
setTimeout(() => {
timeline.time();
}, 200);
setTimeout(() => {
timeline.time();
}, 300);
setTimeout(() => {
timeline.reset();
assert(timeline.index, 0);
assert(timeline.start, null);
assert(timeline.data[0], null);
assert(timeline.data[1], null);
assert(timeline.data[2], null);
assert(timeline.length, 3);
}, 500);
});
describe('Timeline.prototype.time()', function(assert) {
let timeline = Timeline.from(3);
assert(timeline.index, 0);
assert(timeline.start, null);
assert(timeline.data[0], null);
assert(timeline.data[1], null);
assert(timeline.data[2], null);
assert(timeline.length, 3);
timeline.time();
assert(timeline.index, 0);
assert(timeline.start, Date.now());
assert(timeline.data[0], null);
assert(timeline.data[1], null);
assert(timeline.data[2], null);
assert(timeline.length, 3);
setTimeout(() => {
timeline.time();
}, 100);
setTimeout(() => {
timeline.time();
}, 200);
setTimeout(() => {
timeline.time();
}, 300);
setTimeout(() => {
assert(timeline.index, 3);
assert(timeline.start !== null);
assert(timeline.data[0] >= 100);
assert(timeline.data[0] < 100 + TOLERANCE);
assert(timeline.data[1] >= 200);
assert(timeline.data[1] < 200 + TOLERANCE);
assert(timeline.data[2] >= 300);
assert(timeline.data[2] < 300 + TOLERANCE);
assert(timeline.length, 3);
}, 500);
});
export default finish('covert/Timeline');