1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-8-3.js b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-8-3.js
new file mode 100644
index 0000000000..253cc86161
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/lastIndexOf/15.4.4.15-8-3.js
@@ -0,0 +1,19 @@
+// 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 must return correct index(string)
+---*/
+
+var obj = {
+  toString: function() {
+    return "false"
+  }
+};
+var szFalse = "false";
+var a = new Array(szFalse, "false", "false1", undefined, 0, false, null, 1, obj, 0);
+
+assert.sameValue(a.lastIndexOf("false"), 1, 'a.lastIndexOf("false")');
+
+reportCompare(0, 0);