1 files changed, 26 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Iterator/prototype/find/iterator-already-exhausted.js b/js/src/tests/test262/built-ins/Iterator/prototype/find/iterator-already-exhausted.js
new file mode 100644
index 0000000000..f6b903a99a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Iterator/prototype/find/iterator-already-exhausted.js
@@ -0,0 +1,26 @@
+// |reftest| shell-option(--enable-iterator-helpers) skip-if(!this.hasOwnProperty('Iterator')||!xulRuntime.shell) -- iterator-helpers is not enabled unconditionally, requires shell-options
+// Copyright (C) 2023 Michael Ficarra. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-iteratorprototype.find
+description: >
+  Iterator.prototype.find returns undefined when the iterator has already been exhausted
+info: |
+  %Iterator.prototype%.find ( predicate )
+
+features: [iterator-helpers]
+flags: []
+---*/
+let iterator = (function* () {})();
+
+let { value, done } = iterator.next();
+assert.sameValue(value, undefined);
+assert.sameValue(done, true);
+
+let result = iterator.find(() => true);
+assert.sameValue(result, undefined);
+
+result = iterator.find(() => false);
+assert.sameValue(result, undefined);
+
+reportCompare(0, 0);