1 files changed, 57 insertions, 0 deletions
diff --git a/js/src/tests/non262/Intl/DateTimeFormat/dateTimeStyle.js b/js/src/tests/non262/Intl/DateTimeFormat/dateTimeStyle.js
new file mode 100644
index 0000000000..1dd4c35316
--- /dev/null
+++ b/js/src/tests/non262/Intl/DateTimeFormat/dateTimeStyle.js
@@ -0,0 +1,57 @@
+// |reftest| skip-if(!this.hasOwnProperty("Intl"))
+/* 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/. */
+
+// Date style
+
+var dtf = new Intl.DateTimeFormat("en-US", {dateStyle: 'long'});
+assertEq(dtf.resolvedOptions().dateStyle, 'long');
+assertEq(dtf.resolvedOptions().hasOwnProperty('year'), false);
+assertEq(dtf.resolvedOptions().hasOwnProperty('month'), false);
+assertEq(dtf.resolvedOptions().hasOwnProperty('day'), false);
+
+// Time style
+
+var dtf = new Intl.DateTimeFormat("en-US", {timeStyle: 'long'});
+assertEq(dtf.resolvedOptions().timeStyle, 'long');
+assertEq(dtf.resolvedOptions().hasOwnProperty('hour'), false);
+assertEq(dtf.resolvedOptions().hasOwnProperty('minute'), false);
+assertEq(dtf.resolvedOptions().hasOwnProperty('second'), false);
+
+// Date/Time style
+
+var dtf = new Intl.DateTimeFormat("en-US", {dateStyle: 'medium', timeStyle: 'medium'});
+assertEq(dtf.resolvedOptions().timeStyle, 'medium');
+assertEq(dtf.resolvedOptions().dateStyle, 'medium');
+assertEq(dtf.resolvedOptions().hasOwnProperty('hour'), false);
+assertEq(dtf.resolvedOptions().hasOwnProperty('minute'), false);
+assertEq(dtf.resolvedOptions().hasOwnProperty('second'), false);
+assertEq(dtf.resolvedOptions().hasOwnProperty('year'), false);
+assertEq(dtf.resolvedOptions().hasOwnProperty('month'), false);
+assertEq(dtf.resolvedOptions().hasOwnProperty('day'), false);
+
+// Error when mixing date/timeStyle with other date-time options.
+
+assertThrowsInstanceOf(() => {
+  new Intl.DateTimeFormat("en-US", {dateStyle: 'medium', year: 'numeric'});
+}, TypeError);
+
+assertThrowsInstanceOf(() => {
+  new Intl.DateTimeFormat("en-US", {timeStyle: 'medium', year: 'numeric'});
+}, TypeError);
+
+// Error when using dateStyle in toLocaleTimeString.
+
+assertThrowsInstanceOf(() => {
+  new Date().toLocaleTimeString("en-US", {dateStyle: 'long'});
+}, TypeError);
+
+// Error when using dateStyle in toLocaleDateString.
+
+assertThrowsInstanceOf(() => {
+  new Date().toLocaleDateString("en-US", {timeStyle: 'long'});
+}, TypeError);
+
+if (typeof reportCompare === "function")
+  reportCompare(0, 0, 'ok');