1 files changed, 17 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Function/property-order.js b/js/src/tests/test262/built-ins/Function/property-order.js
new file mode 100644
index 0000000000..80612fa3ab
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/property-order.js
@@ -0,0 +1,17 @@
+// Copyright (C) 2020 ExE Boss. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-createbuiltinfunction
+description: Function constructor property order
+info: |
+  Set order: "length", "name", ...
+---*/
+
+var propNames = Object.getOwnPropertyNames(Function);
+var lengthIndex = propNames.indexOf("length");
+var nameIndex = propNames.indexOf("name");
+
+assert(lengthIndex >= 0 && nameIndex === lengthIndex + 1,
+  "The `length` property comes before the `name` property on built-in functions");
+
+reportCompare(0, 0);