gecko-dev/addon-sdk/source/test/test-array.js

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JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
'use strict'
const array = require('sdk/util/array');
exports.testHas = function(test) {
var testAry = [1, 2, 3];
test.assertEqual(array.has([1, 2, 3], 1), true);
test.assertEqual(testAry.length, 3);
test.assertEqual(testAry[0], 1);
test.assertEqual(testAry[1], 2);
test.assertEqual(testAry[2], 3);
test.assertEqual(array.has(testAry, 2), true);
test.assertEqual(array.has(testAry, 3), true);
test.assertEqual(array.has(testAry, 4), false);
test.assertEqual(array.has(testAry, '1'), false);
};
exports.testHasAny = function(test) {
var testAry = [1, 2, 3];
test.assertEqual(array.hasAny([1, 2, 3], [1]), true);
test.assertEqual(array.hasAny([1, 2, 3], [1, 5]), true);
test.assertEqual(array.hasAny([1, 2, 3], [5, 1]), true);
test.assertEqual(array.hasAny([1, 2, 3], [5, 2]), true);
test.assertEqual(array.hasAny([1, 2, 3], [5, 3]), true);
test.assertEqual(array.hasAny([1, 2, 3], [5, 4]), false);
test.assertEqual(testAry.length, 3);
test.assertEqual(testAry[0], 1);
test.assertEqual(testAry[1], 2);
test.assertEqual(testAry[2], 3);
test.assertEqual(array.hasAny(testAry, [2]), true);
test.assertEqual(array.hasAny(testAry, [3]), true);
test.assertEqual(array.hasAny(testAry, [4]), false);
test.assertEqual(array.hasAny(testAry), false);
test.assertEqual(array.hasAny(testAry, '1'), false);
};
exports.testAdd = function(test) {
var testAry = [1];
test.assertEqual(array.add(testAry, 1), false);
test.assertEqual(testAry.length, 1);
test.assertEqual(testAry[0], 1);
test.assertEqual(array.add(testAry, 2), true);
test.assertEqual(testAry.length, 2);
test.assertEqual(testAry[0], 1);
test.assertEqual(testAry[1], 2);
};
exports.testRemove = function(test) {
var testAry = [1, 2];
test.assertEqual(array.remove(testAry, 3), false);
test.assertEqual(testAry.length, 2);
test.assertEqual(testAry[0], 1);
test.assertEqual(testAry[1], 2);
test.assertEqual(array.remove(testAry, 2), true);
test.assertEqual(testAry.length, 1);
test.assertEqual(testAry[0], 1);
};
exports.testFlatten = function(test) {
test.assertEqual(array.flatten([1, 2, 3]).length, 3);
test.assertEqual(array.flatten([1, [2, 3]]).length, 3);
test.assertEqual(array.flatten([1, [2, [3]]]).length, 3);
test.assertEqual(array.flatten([[1], [[2, [3]]]]).length, 3);
};
exports.testUnique = function(test) {
var Class = function () {};
var A = {};
var B = new Class();
var C = [ 1, 2, 3 ];
var D = {};
var E = new Class();
compareArray(array.unique([1,2,3,1,2]), [1,2,3]);
compareArray(array.unique([1,1,1,4,9,5,5]), [1,4,9,5]);
compareArray(array.unique([A, A, A, B, B, D]), [A,B,D]);
compareArray(array.unique([A, D, A, E, E, D, A, A, C]), [A, D, E, C])
function compareArray (a, b) {
test.assertEqual(a.length, b.length);
for (let i = 0; i < a.length; i++) {
test.assertEqual(a[i], b[i]);
}
}
};
exports.testFind = function(test) {
let isOdd = (x) => x % 2;
test.assertEqual(array.find([2, 4, 5, 7, 8, 9], isOdd), 5);
test.assertEqual(array.find([2, 4, 6, 8], isOdd), undefined);
test.assertEqual(array.find([2, 4, 6, 8], isOdd, null), null);
};