1 files changed, 38 insertions, 0 deletions
diff --git a/devtools/shared/tests/xpcshell/test_pluralForm-makeGetter.js b/devtools/shared/tests/xpcshell/test_pluralForm-makeGetter.js
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+++ b/devtools/shared/tests/xpcshell/test_pluralForm-makeGetter.js
@@ -0,0 +1,38 @@
+/* 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/. */
+
+"use strict";
+
+/**
+ * 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.
+ */
+
+const { PluralForm } = require("resource://devtools/shared/plural-form.js");
+
+function run_test() {
+  // Irish is plural rule #11
+  const [get, numForms] = PluralForm.makeGetter(11);
+
+  // Irish has 5 plural forms
+  Assert.equal(5, numForms());
+
+  // I don't really know Irish, so I'll stick in some dummy text
+  const words = "is 1;is 2;is 3-6;is 7-10;everything else";
+
+  const test = function (text, low, high) {
+    for (let num = low; num <= high; num++) {
+      Assert.equal(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);
+}