1 files changed, 67 insertions, 0 deletions
diff --git a/dom/tests/mochitest/chrome/test_intlUtils_getLocaleInfo.html b/dom/tests/mochitest/chrome/test_intlUtils_getLocaleInfo.html
new file mode 100644
index 0000000000..35bbcc1658
--- /dev/null
+++ b/dom/tests/mochitest/chrome/test_intlUtils_getLocaleInfo.html
@@ -0,0 +1,67 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1346084
+-->
+<head>
+  <title>Test for Bug 1346084 </title>
+  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1346084 ">Mozilla Bug 1346084</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+<script>
+
+const localeService =
+  Cc["@mozilla.org/intl/localeservice;1"].getService(Ci.mozILocaleService);
+const mozIntl = Cc["@mozilla.org/mozintl;1"].getService(Ci.mozIMozIntl);
+
+let rpLocale = localeService.regionalPrefsLocales[0];
+
+let testData = [
+  {
+    locales: ["en-US"],
+    expected: {
+      locale: "en-US",
+      direction: "ltr",
+    }
+  },
+  {
+    locales: ["fr"],
+    expected: {
+      locale: "fr",
+      direction: "ltr",
+    }
+  },
+  {
+    locales: ["ar"],
+    expected: {
+      locale: "ar",
+      direction: "rtl",
+    }
+  },
+  // IntlUtils uses current regional prefs locales if locales is not provided.
+  {
+    locales: [],
+    expected: {
+      locale: rpLocale,
+      direction: mozIntl.getLocaleInfo(rpLocale).direction,
+    }
+  },
+];
+
+let intlUtils = window.intlUtils;
+ok(intlUtils, "window.intlUtils should exist");
+
+for (let { locales, expected } of testData) {
+  let result = intlUtils.getLocaleInfo(locales);
+
+  is(result.locale, expected.locale, "locale is " + expected.locale);
+  is(result.direction, expected.direction, "direction is " + expected.direction);
+}
+
+</script>
+</body>
+</html>