Add tests for `Intl.PluralRules.prototype.resolvedOptions().pluralCat…

…egories` order

Array elements should appear in following order: "zero", "one", "two", "few", "many", "other"

see tc39/ecma402#918

test/intl402/PluralRules/prototype/resolvedOptions/plural-categories-order.js

@@ -0,0 +1,26 @@
+// Copyright 2024 Igalia S.L. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+esid: sec-intl.pluralrules.prototype.resolvedoptions
+description: >
+  Tests that Intl.PluralRules.prototype.resolvedOptions elements given in correct order.
+info: |
+  Intl.PluralRules.prototype.resolvedOptions ()
+
+  4. Let pluralCategories be a List of Strings containing all possible results of PluralRuleSelect for the selected locale pr.[[Locale]], sorted according to the following order: "zero", "one", "two", "few", "many", "other".
+
+includes: [compareArray.js]
+---*/
+
+assert.compareArray(new Intl.PluralRules('ko').resolvedOptions().pluralCategories, ['other'], "pluralCategories order or contents incorrect for 'ko' locale");
+
+assert.compareArray(new Intl.PluralRules('en').resolvedOptions().pluralCategories, ['one', 'other'], "pluralCategories order or contents incorrect for 'en' locale");
+assert.compareArray(new Intl.PluralRules('fa').resolvedOptions().pluralCategories, ['one', 'other'], "pluralCategories order or contents incorrect for 'fa' locale");
+assert.compareArray(new Intl.PluralRules('fr').resolvedOptions().pluralCategories, ['one', 'many', 'other'], "pluralCategories order or contents incorrect for 'fr' locale");
+assert.compareArray(new Intl.PluralRules('sl').resolvedOptions().pluralCategories, ['one', 'two', 'few', 'other'], "pluralCategories order or contents incorrect for 'sl' locale");
+assert.compareArray(new Intl.PluralRules('gv').resolvedOptions().pluralCategories, ['one', 'two', 'few', 'many', 'other'], "pluralCategories order or contents incorrect for 'gv' locale");
+assert.compareArray(new Intl.PluralRules('ar').resolvedOptions().pluralCategories, ['zero', 'one', 'two', 'few', 'many', 'other'], "pluralCategories order or contents incorrect for 'ar' locale");
+
+
+