1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Promise/allSettled/resolve-element-function-length.js b/js/src/tests/test262/built-ins/Promise/allSettled/resolve-element-function-length.js
new file mode 100644
index 0000000000..16cfbe3219
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Promise/allSettled/resolve-element-function-length.js
@@ -0,0 +1,40 @@
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-promise.allsettled-resolve-element-functions
+description: The `length` property of Promise.allSettled Resolve Element functions
+info: |
+  The length property of a Promise.allSettled resolve element function is 1.
+
+  17 ECMAScript Standard Built-in Objects:
+    Unless otherwise specified, the length property of a built-in Function
+    object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+    [[Configurable]]: true }.
+includes: [propertyHelper.js]
+features: [Promise.allSettled]
+---*/
+
+var resolveElementFunction;
+var thenable = {
+  then(fulfill) {
+    resolveElementFunction = fulfill;
+  }
+};
+
+function NotPromise(executor) {
+  executor(function() {}, function() {});
+}
+NotPromise.resolve = function(v) {
+  return v;
+};
+Promise.allSettled.call(NotPromise, [thenable]);
+
+verifyProperty(resolveElementFunction, 'length', {
+  value: 1,
+  enumerable: false,
+  writable: false,
+  configurable: true,
+});
+
+reportCompare(0, 0);