1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/tests/test262/intl402/Temporal/PlainDateTime/prototype/toString/calendarname-always.js b/js/src/tests/test262/intl402/Temporal/PlainDateTime/prototype/toString/calendarname-always.js
new file mode 100644
index 0000000000..f927fd79f1
--- /dev/null
+++ b/js/src/tests/test262/intl402/Temporal/PlainDateTime/prototype/toString/calendarname-always.js
@@ -0,0 +1,19 @@
+// |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.plaindatetime.prototype.tostring
+description: Show calendar when calendarName is "always"
+features: [Temporal]
+---*/
+
+const dt = new Temporal.PlainDateTime(1976, 11, 18, 15, 23, 0, 0, 0, 0, "gregory");
+
+assert.sameValue(
+  dt.toString({ calendarName: "always" }),
+  "1976-11-18T15:23:00[u-ca=gregory]",
+  "shows non-ISO calendar if calendarName = always"
+);
+
+reportCompare(0, 0);