1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/Intl/getCanonicalLocales/weird-cases.js b/js/src/tests/test262/intl402/Intl/getCanonicalLocales/weird-cases.js
new file mode 100644
index 0000000000..e7b680b570
--- /dev/null
+++ b/js/src/tests/test262/intl402/Intl/getCanonicalLocales/weird-cases.js
@@ -0,0 +1,26 @@
+// Copyright 2016 Mozilla Corporation. All rights reserved.
+// This code is governed by the license found in the LICENSE file.
+
+/*---
+esid: sec-intl.getcanonicallocales
+description: Tests the getCanonicalLocales function for weird tags.
+info: |
+  8.2.1 Intl.getCanonicalLocales (locales)
+  1. Let ll be ? CanonicalizeLocaleList(locales).
+  2. Return CreateArrayFromList(ll).
+includes: [compareArray.js]
+---*/
+
+var weirdCases =
+  [
+   "en-x-u-foo",
+   "en-a-bar-x-u-foo",
+   "en-x-u-foo-a-bar",
+   "en-a-bar-u-baz-x-u-foo",
+  ];
+
+weirdCases.forEach(function (weird) {
+  assert.compareArray(Intl.getCanonicalLocales(weird), [weird]);
+});
+
+reportCompare(0, 0);