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 // Copyright 2012 Mozilla Corporation. All rights reserved.

 // This code is governed by the BSD license found in the LICENSE file.

 /**

  * @description Tests the special handling of the "co" key in Intl.Collator.

  * @author Norbert Lindenberg

  */

 function checkCollation(extensionCoValue, usageValue, expectedCollations, expectedUsage) {

     var requestLocale = extensionCoValue !== undefined ? "de-DE-u-co-" + extensionCoValue : "de-DE";

     var options = usageValue !== undefined ? { usage: usageValue } : undefined;

     var collator = new Intl.Collator([requestLocale], options);

     var collation = collator.resolvedOptions().collation;

     if (expectedCollations.indexOf(collation) === -1) {

         $ERROR((extensionCoValue === undefined ? "Default collation" : "Collation for \"" + extensionCoValue) +

             "\" should be " + expectedCollations.join(" or ") + ", but is " + collation + ".");

     }

     var usage = collator.resolvedOptions().usage;

     if (expectedUsage !== usage) {

         $ERROR((usageValue === undefined ? "Default usage" : "Usage") +

             " should be " + expectedUsage + ", but is " + usage + ".");

     }

 }

 checkCollation(undefined, undefined, ["default"], "sort");

 checkCollation("phonebk", undefined, ["phonebk", "default"], "sort");

 checkCollation("invalid", undefined, ["default"], "sort");

 checkCollation("standard", undefined, ["default"], "sort");

 checkCollation("standard", "search", ["default"], "search");

 checkCollation("standard", "sort", ["default"], "sort");

 checkCollation("search", undefined, ["default"], "sort");

 checkCollation("search", "search", ["default"], "search");

 checkCollation("search", "sort", ["default"], "sort");