1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-2-18.js b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-2-18.js
new file mode 100644
index 0000000000..90c8ee9d56
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-2-18.js
@@ -0,0 +1,18 @@
+// 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.lastindexof
+description: >
+    Array.prototype.lastIndexOf applied to String object which
+    implements its own property get method
+---*/
+
+var str = new String("012");
+
+String.prototype[3] = "3";
+
+assert.sameValue(Array.prototype.lastIndexOf.call(str, "2"), 2, 'Array.prototype.lastIndexOf.call(str, "2")');
+assert.sameValue(Array.prototype.lastIndexOf.call(str, "3"), -1, 'Array.prototype.lastIndexOf.call(str, "3")');
+
+reportCompare(0, 0);