1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/tests/non262/Intl/DateTimeFormat/mozExtensions.js b/js/src/tests/non262/Intl/DateTimeFormat/mozExtensions.js
new file mode 100644
index 0000000000..7db314d413
--- /dev/null
+++ b/js/src/tests/non262/Intl/DateTimeFormat/mozExtensions.js
@@ -0,0 +1,18 @@
+// |reftest| skip-if(!this.hasOwnProperty("Intl")||!this.hasOwnProperty("addIntlExtras"))
+/* 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/. */
+
+let mozIntl = {};
+addIntlExtras(mozIntl);
+
+// Pattern
+
+var dtf = new Intl.DateTimeFormat("en-US", {pattern: "HH:mm MM/dd/YYYY"});
+var mozDtf = new mozIntl.DateTimeFormat("en-US", {pattern: "HH:mm MM/dd/YYYY"});
+
+assertEq(dtf.resolvedOptions().hasOwnProperty('pattern'), false);
+assertEq(mozDtf.resolvedOptions().pattern, "HH:mm MM/dd/YYYY");
+
+if (typeof reportCompare === "function")
+  reportCompare(0, 0, 'ok');