1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Promise/any/reject-element-function-extensible.js b/js/src/tests/test262/built-ins/Promise/any/reject-element-function-extensible.js
new file mode 100644
index 0000000000..806e937f37
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+++ b/js/src/tests/test262/built-ins/Promise/any/reject-element-function-extensible.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2019 Leo Balter, 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-promise.any-reject-element-functions
+description: The [[Extensible]] slot of Promise.any Reject Element functions
+info: |
+  17 ECMAScript Standard Built-in Objects:
+    Unless specified otherwise, the [[Extensible]] internal slot
+    of a built-in object initially has the value true.
+features: [Promise.any]
+---*/
+
+var rejectElementFunction;
+var thenable = {
+  then(_, reject) {
+    rejectElementFunction = reject;
+  }
+};
+
+function NotPromise(executor) {
+  executor(function() {}, function() {});
+}
+NotPromise.resolve = function(v) {
+  return v;
+};
+Promise.any.call(NotPromise, [thenable]);
+
+assert(Object.isExtensible(rejectElementFunction));
+
+reportCompare(0, 0);