1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Temporal/Calendar/prototype/dateAdd/argument-propertybag-calendar-leap-second.js b/js/src/tests/test262/built-ins/Temporal/Calendar/prototype/dateAdd/argument-propertybag-calendar-leap-second.js
new file mode 100644
index 0000000000..7517d61c18
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Temporal/Calendar/prototype/dateAdd/argument-propertybag-calendar-leap-second.js
@@ -0,0 +1,24 @@
+// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
+// Copyright (C) 2022 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.calendar.prototype.dateadd
+description: Leap second is a valid ISO string for a calendar in a property bag
+includes: [temporalHelpers.js]
+features: [Temporal]
+---*/
+
+const instance = new Temporal.Calendar("iso8601");
+
+const calendar = "2016-12-31T23:59:60";
+
+const arg = { year: 1976, monthCode: "M11", day: 18, calendar };
+const result = instance.dateAdd(arg, new Temporal.Duration());
+TemporalHelpers.assertPlainDate(
+  result,
+  1976, 11, "M11", 18,
+  "leap second is a valid ISO string for calendar"
+);
+
+reportCompare(0, 0);