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

59 строки
1.5 KiB
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 { List, addListItem, removeListItem } = require('sdk/util/list');
const { Class } = require('sdk/core/heritage');
exports.testList = function(assert) {
let list = List();
addListItem(list, 1);
for (let key in list) {
assert.equal(key, 0, 'key is correct');
assert.equal(list[key], 1, 'value is correct');
}
let count = 0;
for (let ele of list) {
assert.equal(ele, 1, 'ele is correct');
assert.equal(++count, 1, 'count is correct');
}
count = 0;
for (let ele of list) {
assert.equal(ele, 1, 'ele is correct');
assert.equal(++count, 1, 'count is correct');
}
removeListItem(list, 1);
assert.equal(list.length, 0, 'remove worked');
};
exports.testImplementsList = function(assert) {
let List2 = Class({
implements: [List],
initialize: function() {
List.prototype.initialize.apply(this, [0, 1, 2]);
}
});
let list2 = List2();
let count = 0;
for (let ele of list2) {
assert.equal(ele, count++, 'ele is correct');
}
count = 0;
for (let ele of list2) {
assert.equal(ele, count++, 'ele is correct');
}
addListItem(list2, 3);
assert.equal(list2.length, 4, '3 was added');
assert.equal(list2[list2.length-1], 3, '3 was added');
}
require('sdk/test').run(exports);