michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: "use strict";
michael@0: 
michael@0: this.EXPORTED_SYMBOLS = [
michael@0:   "TestingUtils",
michael@0: ];
michael@0: 
michael@0: this.TestingUtils = {
michael@0:   /**
michael@0:    * Perform a deep copy of an Array or Object.
michael@0:    */
michael@0:   deepCopy: function deepCopy(thing, noSort) {
michael@0:     if (typeof(thing) != "object" || thing == null) {
michael@0:       return thing;
michael@0:     }
michael@0: 
michael@0:     if (Array.isArray(thing)) {
michael@0:       let ret = [];
michael@0:       for (let element of thing) {
michael@0:         ret.push(this.deepCopy(element, noSort));
michael@0:       }
michael@0: 
michael@0:       return ret;
michael@0:     }
michael@0: 
michael@0:     let ret = {};
michael@0:     let props = [p for (p in thing)];
michael@0: 
michael@0:     if (!noSort) {
michael@0:       props = props.sort();
michael@0:     }
michael@0: 
michael@0:     for (let prop of props) {
michael@0:       ret[prop] = this.deepCopy(thing[prop], noSort);
michael@0:     }
michael@0: 
michael@0:     return ret;
michael@0:   },
michael@0: };