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node_modules/event-emitter/test/index.js
| 107 lines
| 2.5 KiB
| application/javascript
| JavascriptLexer
|
| r789 | 'use strict'; | |||
| module.exports = function (t, a) { | ||||
| var x = t(), y, count, count2, count3, count4, test, listener1, listener2; | ||||
| x.emit('none'); | ||||
| test = "Once: "; | ||||
| count = 0; | ||||
| x.once('foo', function (a1, a2, a3) { | ||||
| a(this, x, test + "Context"); | ||||
| a.deep([a1, a2, a3], ['foo', x, 15], test + "Arguments"); | ||||
| ++count; | ||||
| }); | ||||
| x.emit('foobar'); | ||||
| a(count, 0, test + "Not invoked on other event"); | ||||
| x.emit('foo', 'foo', x, 15); | ||||
| a(count, 1, test + "Emitted"); | ||||
| x.emit('foo'); | ||||
| a(count, 1, test + "Emitted once"); | ||||
| test = "On & Once: "; | ||||
| count = 0; | ||||
| x.on('foo', listener1 = function (a1, a2, a3) { | ||||
| a(this, x, test + "Context"); | ||||
| a.deep([a1, a2, a3], ['foo', x, 15], test + "Arguments"); | ||||
| ++count; | ||||
| }); | ||||
| count2 = 0; | ||||
| x.once('foo', listener2 = function (a1, a2, a3) { | ||||
| a(this, x, test + "Context"); | ||||
| a.deep([a1, a2, a3], ['foo', x, 15], test + "Arguments"); | ||||
| ++count2; | ||||
| }); | ||||
| x.emit('foobar'); | ||||
| a(count, 0, test + "Not invoked on other event"); | ||||
| x.emit('foo', 'foo', x, 15); | ||||
| a(count, 1, test + "Emitted"); | ||||
| x.emit('foo', 'foo', x, 15); | ||||
| a(count, 2, test + "Emitted twice"); | ||||
| a(count2, 1, test + "Emitted once"); | ||||
| x.off('foo', listener1); | ||||
| x.emit('foo'); | ||||
| a(count, 2, test + "Not emitter after off"); | ||||
| count = 0; | ||||
| x.once('foo', listener1 = function () { ++count; }); | ||||
| x.off('foo', listener1); | ||||
| x.emit('foo'); | ||||
| a(count, 0, "Once Off: Not emitted"); | ||||
| count = 0; | ||||
| x.on('foo', listener2 = function () {}); | ||||
| x.once('foo', listener1 = function () { ++count; }); | ||||
| x.off('foo', listener1); | ||||
| x.emit('foo'); | ||||
| a(count, 0, "Once Off (multi): Not emitted"); | ||||
| x.off('foo', listener2); | ||||
| test = "Prototype Share: "; | ||||
| y = Object.create(x); | ||||
| count = 0; | ||||
| count2 = 0; | ||||
| count3 = 0; | ||||
| count4 = 0; | ||||
| x.on('foo', function () { | ||||
| ++count; | ||||
| }); | ||||
| y.on('foo', function () { | ||||
| ++count2; | ||||
| }); | ||||
| x.once('foo', function () { | ||||
| ++count3; | ||||
| }); | ||||
| y.once('foo', function () { | ||||
| ++count4; | ||||
| }); | ||||
| x.emit('foo'); | ||||
| a(count, 1, test + "x on count"); | ||||
| a(count2, 0, test + "y on count"); | ||||
| a(count3, 1, test + "x once count"); | ||||
| a(count4, 0, test + "y once count"); | ||||
| y.emit('foo'); | ||||
| a(count, 1, test + "x on count"); | ||||
| a(count2, 1, test + "y on count"); | ||||
| a(count3, 1, test + "x once count"); | ||||
| a(count4, 1, test + "y once count"); | ||||
| x.emit('foo'); | ||||
| a(count, 2, test + "x on count"); | ||||
| a(count2, 1, test + "y on count"); | ||||
| a(count3, 1, test + "x once count"); | ||||
| a(count4, 1, test + "y once count"); | ||||
| y.emit('foo'); | ||||
| a(count, 2, test + "x on count"); | ||||
| a(count2, 2, test + "y on count"); | ||||
| a(count3, 1, test + "x once count"); | ||||
| a(count4, 1, test + "y once count"); | ||||
| }; | ||||