1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-2-6.js b/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-2-6.js
new file mode 100644
index 0000000000..b33bf0b3cc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-2-6.js
@@ -0,0 +1,24 @@
+// 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.indexof
+description: Array.prototype.indexOf - 'length' is an inherited data property
+---*/
+
+var proto = {
+  length: 2
+};
+
+var Con = function() {};
+Con.prototype = proto;
+
+var childOne = new Con();
+childOne[1] = true;
+var childTwo = new Con();
+childTwo[2] = true;
+
+assert.sameValue(Array.prototype.indexOf.call(childOne, true), 1, 'Array.prototype.indexOf.call(childOne, true)');
+assert.sameValue(Array.prototype.indexOf.call(childTwo, true), -1, 'Array.prototype.indexOf.call(childTwo, true)');
+
+reportCompare(0, 0);