1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/reduceRight/15.4.4.22-3-10.js b/js/src/tests/test262/built-ins/Array/prototype/reduceRight/15.4.4.22-3-10.js
new file mode 100644
index 0000000000..cb8ad72632
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/reduceRight/15.4.4.22-3-10.js
@@ -0,0 +1,25 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.reduceright
+description: >
+    Array.prototype.reduceRight - value of 'length' is a number (value
+    is NaN)
+---*/
+
+var accessed = false;
+
+function callbackfn(prevVal, curVal, idx, obj) {
+  accessed = true;
+}
+
+var obj = {
+  0: 9,
+  length: NaN
+};
+
+assert.sameValue(Array.prototype.reduceRight.call(obj, callbackfn, 1), 1, 'Array.prototype.reduceRight.call(obj, callbackfn, 1)');
+assert.sameValue(accessed, false, 'accessed');
+
+reportCompare(0, 0);