diff -r 000000000000 -r 6474c204b198 intl/locale/tests/unit/test_pluralForm_makeGetter.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/intl/locale/tests/unit/test_pluralForm_makeGetter.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,36 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/**
+ * This unit test makes sure the plural form for Irish Gaeilge is working by
+ * using the makeGetter method instead of using the default language (by
+ * development), English.
+ */
+
+Components.utils.import("resource://gre/modules/PluralForm.jsm");
+
+function run_test()
+{
+  // Irish is plural rule #11
+  let [get, numForms] = PluralForm.makeGetter(11);
+
+  // Irish has 5 plural forms
+  do_check_eq(5, numForms());
+
+  // I don't really know Irish, so I'll stick in some dummy text
+  let words = "is 1;is 2;is 3-6;is 7-10;everything else";
+
+  let test = function(text, low, high) {
+    for (let num = low; num <= high; num++)
+      do_check_eq(text, get(num, words));
+  };
+
+  // Make sure for good inputs, things work as expected
+  test("everything else", 0, 0);
+  test("is 1", 1, 1);
+  test("is 2", 2, 2);
+  test("is 3-6", 3, 6);
+  test("is 7-10", 7, 10);
+  test("everything else", 11, 200);
+}