es6-polyfills
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ES6 polyfills that use native implementation if available and do not pollute the global namespace
108 lines (75 loc) • 3.09 kB
JavaScript
/**
*
* @licstart The following is the entire license notice for the JavaScript code in this file.
*
* ES6 polyfills that use native implementation if available and do not pollute the global namespace
*
* Copyright (c) 2015-2016 University Of Helsinki (The National Library Of Finland)
*
* This file is part of es6-polyfills
*
* es6-polyfills is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @licend The above is the entire license notice
* for the JavaScript code in this page.
*
**/
(function (root, factory) {
'use strict';
if (typeof define === 'function' && define.amd) {
define(['chai/chai', '../lib/array'], factory);
} else if (typeof exports === 'object' && module.exports) {
module.exports = factory(require('chai'), require('../lib/array'));
}
}(this, factory));
function factory(chai, createPolyfill) {
'use strict';
var expect = chai.expect;
describe('array', function() {
describe('factory', function() {
it('Should be a function', function() {
expect(createPolyfill).to.be.a('function');
});
describe('constructor', function() {
it('Should instantiate the correct object', function() {
var Polyfill = createPolyfill(function() {}),
obj = new Polyfill();
expect(obj).to.be.an('object');
});
it('Should instantiate the correct object (With native Array)', function() {
var Polyfill = createPolyfill(),
obj = new Polyfill();
expect(obj).to.be.an('object');
});
it("Should create a new property 'of' which is a function", function() {
var Polyfill,
constructor = function() {};
constructor.test = function() {};
Polyfill = createPolyfill(constructor);
expect(Polyfill).to.be.a('function');
expect(Polyfill.test).to.be.a('function');
expect(Polyfill.of).to.be.a('function');
expect(new Polyfill()).to.be.a('object');
expect(new Polyfill()).to.be.an.instanceof(Polyfill);
});
it('Should create a new Array instance of variadic arguments', function() {
var polyfill = createPolyfill(function(){}),
arr = polyfill.of(1, 2, 3);
expect(arr).to.be.an('array');
expect(arr).to.eql([1, 2, 3]);
});
});
});
});
}