1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Temporal/PlainYearMonth/prototype/subtract/builtin-calendar-no-array-iteration.js b/js/src/tests/test262/built-ins/Temporal/PlainYearMonth/prototype/subtract/builtin-calendar-no-array-iteration.js
new file mode 100644
index 0000000000..97b965d7d3
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Temporal/PlainYearMonth/prototype/subtract/builtin-calendar-no-array-iteration.js
@@ -0,0 +1,23 @@
+// |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.plainyearmonth.prototype.subtract
+description: >
+  Calling the method on an instance constructed 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.PlainYearMonth(2023, 5, "iso8601");
+instance.subtract({ years: 5, months: 2 });
+
+Array.prototype[Symbol.iterator] = arrayPrototypeSymbolIteratorOriginal;
+
+reportCompare(0, 0);