diff -r 000000000000 -r 6474c204b198 intl/locale/tests/unit/test_bug371611.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/intl/locale/tests/unit/test_bug371611.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+const Cr = Components.results;
+
+function test_formatdatetime_return()
+{
+  var dateConv = Cc["@mozilla.org/intl/scriptabledateformat;1"].
+    getService(Ci.nsIScriptableDateFormat);
+
+  /* Testing if we throw instead of crashing when we are passed 0s. */
+  var x = false;
+  try {
+    dateConv.FormatDate("", Ci.nsIScriptableDateFormat.dateFormatLong,
+                        0, 0, 0);
+  }
+  catch (e if (e.result == Cr.NS_ERROR_INVALID_ARG)) {
+    x = true;
+  }
+  if (!x)
+    do_throw("FormatDate didn't throw when passed 0 for its arguments.");
+}
+
+function run_test()
+{
+  test_formatdatetime_return();
+}