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 locales that are reported by resolvedOptions
michael@0:  *     are also reported by supportedLocalesOf.
michael@0:  * @author Norbert Lindenberg
michael@0:  */
michael@0: 
michael@0: $INCLUDE("testIntl.js");
michael@0: 
michael@0: testWithIntlConstructors(function (Constructor) {
michael@0:     var info = getLocaleSupportInfo(Constructor);
michael@0:     // this test should work equally for both matching algorithms
michael@0:     ["lookup", "best fit"].forEach(function (matcher) {
michael@0:         var supportedByConstructor = info.supported.concat(info.byFallback);
michael@0:         var supported = Constructor.supportedLocalesOf(supportedByConstructor,
michael@0:             {localeMatcher: matcher});
michael@0:         // we could check the length first, but it's probably more interesting which locales are missing
michael@0:         var i = 0;
michael@0:         var limit = Math.min(supportedByConstructor.length, supported.length);
michael@0:         while (i < limit && supportedByConstructor[i] === supported[i]) {
michael@0:             i++;
michael@0:         }
michael@0:         if (i < supportedByConstructor.length) {
michael@0:             $ERROR("Locale " + supportedByConstructor[i] +
michael@0:                 " is returned by resolvedOptions but not by supportedLocalesOf.");
michael@0:         } else if (i < supported.length) {
michael@0:             $ERROR("Locale " + supported[i] +
michael@0:                 " is returned by supportedLocalesOf but not by resolvedOptions.");
michael@0:         }
michael@0:     });
michael@0:     
michael@0:     // this test is only valid for lookup - best fit may find additional locales supported
michael@0:     var unsupportedByConstructor = info.unsupported;
michael@0:     var supported = Constructor.supportedLocalesOf(unsupportedByConstructor,
michael@0:             {localeMatcher: "lookup"});
michael@0:     if (supported.length > 0) {
michael@0:         $ERROR("Locale " + supported[0] +
michael@0:             " is returned by supportedLocalesOf but not by resolvedOptions.");
michael@0:     }
michael@0: 
michael@0:     return true;
michael@0: });
michael@0: