mirror of
https://github.com/scratchfoundation/paper.js.git
synced 2025-01-01 02:38:43 -05:00
88 lines
2.4 KiB
JavaScript
88 lines
2.4 KiB
JavaScript
/*
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* Paper.js - The Swiss Army Knife of Vector Graphics Scripting.
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* http://paperjs.org/
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*
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* Copyright (c) 2011 - 2014, Juerg Lehni & Jonathan Puckey
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* http://scratchdisk.com/ & http://jonathanpuckey.com/
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*
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* Distributed under the MIT license. See LICENSE file for details.
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*
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* All rights reserved.
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*/
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module('Emitter');
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test('on()', function() {
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var emitter = new Base(Emitter),
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installed;
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// fake event type registration
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emitter._eventTypes = {mouseMove: {install: function(){ installed = true;} } };
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equals(function() {
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return !emitter.responds('mouseMove');
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}, true);
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emitter.on('mouseMove', function() {});
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equals(function() {
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return emitter.responds('mouseMove')
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}, true);
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equals(function() { return installed; }, true);
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// one time installation only
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installed = false;
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emitter.on('mouseMove', function() {});
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equals(function() { return !installed; }, true);
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emitter.on('customUnregistered', function() {});
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equals(function() {
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return emitter.responds('customUnregistered')
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}, true);
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});
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test('off()', function() {
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var emitter = new Base(Emitter),
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uninstalled, called = 0,
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handler = function () {called++},
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handler2 = function () {};
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emitter._eventTypes = {mouseMove: {uninstall: function(){ uninstalled = true;} } };
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emitter.on('mouseMove', handler);
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emitter.on('mouseMove', handler2);
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emitter.on('custom', handler);
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emitter.emit('mouseMove');
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equals(function() { return called == 1; }, true);
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emitter.off('mouseMove', handler2);
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emitter.emit('mouseMove');
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equals(function() { return called == 2; }, true);
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equals(function() { return !uninstalled }, true);
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emitter.off('mouseMove', handler);
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emitter.emit('mouseMove');
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equals(function() { return called == 2; }, true);
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equals(function() { return uninstalled }, true);
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called = 0;
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emitter.emit('custom');
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equals(function() { return called == 1; }, true);
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emitter.off('custom', handler);
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emitter.emit('custom');
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equals(function() { return called == 1; }, true);
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});
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test('emit()', function() {
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var emitter = new Base(Emitter),
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called,
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handler = function (e) {called = e};
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// fake event type registration
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emitter._eventTypes = {mouseMove: {} };
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emitter.on('mouseMove', handler);
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emitter.on('custom', handler);
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emitter.emit('mouseMove', 'mouseMove');
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equals(function() {
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return called == 'mouseMove';
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}, true);
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emitter.emit('custom', 'custom');
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equals(function() {
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return called == 'custom';
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}, true);
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});
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