1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Iterator/prototype/find/predicate-returns-falsey-then-truthy.js b/js/src/tests/test262/built-ins/Iterator/prototype/find/predicate-returns-falsey-then-truthy.js
new file mode 100644
index 0000000000..7a8e2a5b27
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Iterator/prototype/find/predicate-returns-falsey-then-truthy.js
@@ -0,0 +1,35 @@
+// |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 the found value and closes the iterator when the predicate returns falsey for some iterated values and truthy for others
+info: |
+  %Iterator.prototype%.find ( predicate )
+
+features: [iterator-helpers]
+flags: []
+---*/
+function* g() {
+  for (let i = 0; i < 5; ++i) {
+    yield i;
+  }
+}
+
+let iter = g();
+
+let predicateCalls = 0;
+let result = iter.find(v => {
+  ++predicateCalls;
+  return v > 2;
+});
+
+assert.sameValue(result, 3);
+assert.sameValue(predicateCalls, 4);
+
+let { done, value } = iter.next();
+assert.sameValue(done, true);
+assert.sameValue(value, undefined);
+
+reportCompare(0, 0);