1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Temporal/TimeZone/prototype/getInstantFor/argument-builtin-calendar-no-array-iteration.js b/js/src/tests/test262/built-ins/Temporal/TimeZone/prototype/getInstantFor/argument-builtin-calendar-no-array-iteration.js
new file mode 100644
index 0000000000..86aeca4e6f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Temporal/TimeZone/prototype/getInstantFor/argument-builtin-calendar-no-array-iteration.js
@@ -0,0 +1,32 @@
+// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
+// Copyright (C) 2023 Igalia, S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.timezone.prototype.getinstantfor
+description: >
+  Calling the method with a property bag argument with a builtin calendar causes
+  no observable array iteration when getting the calendar fields.
+features: [Temporal]
+---*/
+
+const arrayPrototypeSymbolIteratorOriginal = Array.prototype[Symbol.iterator];
+Array.prototype[Symbol.iterator] = function arrayIterator() {
+  throw new Test262Error("Array should not be iterated");
+}
+
+const instance = new Temporal.TimeZone("UTC");
+// Patch getPossibleInstantsFor to allow the spec-mandated observable array
+// iteration in the GetPossibleInstantsFor AO.
+instance.getPossibleInstantsFor = function (...args) {
+  const instants = Temporal.TimeZone.prototype.getPossibleInstantsFor.apply(this, args);
+  instants[Symbol.iterator] = arrayPrototypeSymbolIteratorOriginal;
+  return instants;
+}
+
+const arg = { year: 2000, month: 5, day: 2, hour: 21, minute: 43, second: 5, calendar: "iso8601" };
+instance.getInstantFor(arg);
+
+Array.prototype[Symbol.iterator] = arrayPrototypeSymbolIteratorOriginal;
+
+reportCompare(0, 0);