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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 that structurally valid language tags are accepted.
+ * @author Norbert Lindenberg
+ */
+
+$INCLUDE("testIntl.js");
+
+var validLanguageTags = [
+ "de", // ISO 639 language code
+ "de-DE", // + ISO 3166-1 country code
+ "DE-de", // tags are case-insensitive
+ "cmn", // ISO 639 language code
+ "cmn-Hans", // + script code
+ "CMN-hANS", // tags are case-insensitive
+ "cmn-hans-cn", // + ISO 3166-1 country code
+ "es-419", // + UN M.49 region code
+ "es-419-u-nu-latn-cu-bob", // + Unicode locale extension sequence
+ "i-klingon", // grandfathered tag
+ "cmn-hans-cn-t-ca-u-ca-x-t-u", // singleton subtags can also be used as private use subtags
+ "enochian-enochian", // language and variant subtags may be the same
+ "de-gregory-u-ca-gregory" // variant and extension subtags may be the same
+];
+
+testWithIntlConstructors(function (Constructor) {
+ validLanguageTags.forEach(function (tag) {
+ // this must not throw an exception for a valid language tag
+ var obj = new Constructor([tag]);
+ });
+ return true;
+});
+