1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Iterator/prototype/some/predicate-this.js b/js/src/tests/test262/built-ins/Iterator/prototype/some/predicate-this.js
new file mode 100644
index 0000000000..0ae8609b55
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Iterator/prototype/some/predicate-this.js
@@ -0,0 +1,34 @@
+// |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.some
+description: >
+  Iterator.prototype.some predicate this value is undefined
+info: |
+  %Iterator.prototype%.some ( predicate )
+
+features: [iterator-helpers]
+flags: []
+---*/
+function* g() {
+  yield 0;
+}
+
+let iter = g();
+
+let expectedThis = function () {
+  return this;
+}.call(undefined);
+
+let assertionCount = 0;
+let result = iter.some(function (v, count) {
+  assert.sameValue(this, expectedThis);
+  ++assertionCount;
+  return true;
+});
+
+assert.sameValue(result, true);
+assert.sameValue(assertionCount, 1);
+
+reportCompare(0, 0);