1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/tests/non262/Intl/DisplayNames/month-calendar.js b/js/src/tests/non262/Intl/DisplayNames/month-calendar.js
new file mode 100644
index 0000000000..9a7d9abdaa
--- /dev/null
+++ b/js/src/tests/non262/Intl/DisplayNames/month-calendar.js
@@ -0,0 +1,18 @@
+// |reftest| skip-if(!this.hasOwnProperty('Intl')||!this.hasOwnProperty('addIntlExtras'))
+
+addMozIntlDisplayNames(this);
+
+let dn1 = new Intl.DisplayNames("en", {type: "month", calendar: "gregory"});
+assertEq(dn1.of(1), "January");
+assertEq(dn1.resolvedOptions().calendar, "gregory");
+
+let dn2 = new Intl.DisplayNames("en", {type: "month", calendar: "hebrew"});
+assertEq(dn2.of(1), "Tishri");
+assertEq(dn2.resolvedOptions().calendar, "hebrew");
+
+let dn3 = new Intl.DisplayNames("en", {type: "month", calendar: "islamicc"});
+assertEq(dn3.of(1), "Muharram");
+assertEq(dn3.resolvedOptions().calendar, "islamic-civil");
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);