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diff --git a/js/src/tests/test262/built-ins/Promise/reject-function-length.js b/js/src/tests/test262/built-ins/Promise/reject-function-length.js
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+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 25.4.1.3.1
+description: The `length` property of Promise Reject functions
+info: |
+  The length property of a promise reject 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]
+---*/
+
+var rejectFunction;
+new Promise(function(resolve, reject) {
+  rejectFunction = reject;
+});
+
+assert.sameValue(rejectFunction.length, 1);
+
+verifyNotEnumerable(rejectFunction, "length");
+verifyNotWritable(rejectFunction, "length");
+verifyConfigurable(rejectFunction, "length");
+
+reportCompare(0, 0);