1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-9-5.js b/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-9-5.js
new file mode 100644
index 0000000000..58a61bda0d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/indexOf/15.4.4.14-9-5.js
@@ -0,0 +1,28 @@
+// 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 must return correct index (Object)
+---*/
+
+var obj1 = {
+  toString: function() {
+    return "false"
+  }
+};
+var obj2 = {
+  toString: function() {
+    return "false"
+  }
+};
+var obj3 = obj1;
+var a = new Array(false, undefined, 0, false, null, {
+  toString: function() {
+    return "false"
+  }
+}, "false", obj2, obj1, obj3);
+
+assert.sameValue(a.indexOf(obj3), 8, 'a[8] = obj1');
+
+reportCompare(0, 0);