1 files changed, 37 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/reduceRight/15.4.4.22-3-12.js b/js/src/tests/test262/built-ins/Array/prototype/reduceRight/15.4.4.22-3-12.js
new file mode 100644
index 0000000000..e6162bf757
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/reduceRight/15.4.4.22-3-12.js
@@ -0,0 +1,37 @@
+// 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 string
+    containing a negative number
+---*/
+
+var testResult1 = true;
+var testResult2 = false;
+
+function callbackfn(prevVal, curVal, idx, obj) {
+  if (idx > 1) {
+    testResult1 = false;
+  }
+
+  if (idx === 1) {
+    testResult2 = true;
+  }
+  return false;
+}
+
+var obj = {
+  0: 11,
+  1: 12,
+  2: 9,
+  length: "-4294967294"
+};
+
+Array.prototype.reduceRight.call(obj, callbackfn, 1);
+
+assert(testResult1, 'testResult1 !== true');
+assert.sameValue(testResult2, false, 'testResult2');
+
+reportCompare(0, 0);