michael@0: // Copyright 2011-2012 Norbert Lindenberg. All rights reserved.
michael@0: // Copyright 2012 Mozilla Corporation. All rights reserved.
michael@0: // This code is governed by the BSD license found in the LICENSE file.
michael@0: 
michael@0: /**
michael@0:  * @description Tests that Intl.Collator can be subclassed.
michael@0:  * @author Norbert Lindenberg
michael@0:  */
michael@0: 
michael@0: $INCLUDE("testIntl.js");
michael@0: 
michael@0: // get a collator and have it sort an array for comparison with the subclass
michael@0: var locales = ["tlh", "id", "en"];
michael@0: var a = ["A", "C", "E", "B", "D", "F"];
michael@0: var referenceCollator = new Intl.Collator(locales);
michael@0: var referenceSorted = a.slice().sort(referenceCollator.compare);
michael@0: 
michael@0: function MyCollator(locales, options) {
michael@0:     Intl.Collator.call(this, locales, options);
michael@0:     // could initialize MyCollator properties
michael@0: }
michael@0: 
michael@0: MyCollator.prototype = Object.create(Intl.Collator.prototype);
michael@0: MyCollator.prototype.constructor = MyCollator;
michael@0: // could add methods to MyCollator.prototype
michael@0: 
michael@0: var collator = new MyCollator(locales);
michael@0: a.sort(collator.compare);
michael@0: testArraysAreSame(referenceSorted, a);
michael@0: