1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/Locale/getters-grandfathered.js b/js/src/tests/test262/intl402/Locale/getters-grandfathered.js
new file mode 100644
index 0000000000..9df709545b
--- /dev/null
+++ b/js/src/tests/test262/intl402/Locale/getters-grandfathered.js
@@ -0,0 +1,41 @@
+// Copyright 2018 André Bargull; Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-intl.locale
+description: >
+    Verifies getters with grandfathered tags.
+info: |
+    get Intl.Locale.prototype.baseName
+    5. Return the substring of locale corresponding to the
+       language ["-" script] ["-" region] *("-" variant)
+       subsequence of the  unicode_language_id grammar.
+
+    get Intl.Locale.prototype.language
+    5. Return the substring of locale corresponding to the
+       unicode_language_subtag production.
+
+    get Intl.Locale.prototype.script
+    6. Return the substring of locale corresponding to the
+       unicode_script_subtag production.
+
+    get Intl.Locale.prototype.region
+    6. Return the substring of locale corresponding to the unicode_region_subtag
+       production.
+features: [Intl.Locale]
+---*/
+
+// Regular grandfathered language tag.
+var loc = new Intl.Locale("cel-gaulish");
+assert.sameValue(loc.baseName, "xtg");
+assert.sameValue(loc.language, "xtg");
+assert.sameValue(loc.script, undefined);
+assert.sameValue(loc.region, undefined);
+
+// Regular grandfathered language tag.
+assert.throws(RangeError, () => new Intl.Locale("zh-min"));
+
+assert.throws(RangeError, () => new Intl.Locale("i-default"));
+
+
+reportCompare(0, 0);