1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/lastIndexOf/S15.5.4.8_A1_T8.js b/js/src/tests/test262/built-ins/String/prototype/lastIndexOf/S15.5.4.8_A1_T8.js
new file mode 100644
index 0000000000..e048c8fc7d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/lastIndexOf/S15.5.4.8_A1_T8.js
@@ -0,0 +1,25 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: String.prototype.lastIndexOf(searchString, position)
+es5id: 15.5.4.8_A1_T8
+description: >
+    Call lastIndexOf(searchString, position) function with void 0
+    argument of string object
+---*/
+
+var __obj = {
+  toString: function() {}
+};
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+//since ToString(void 0) evaluates to "undefined" lastIndexOf(void 0) evaluates to lastIndexOf("undefined",0)
+if (String(__obj).lastIndexOf(void 0) !== 0) {
+  throw new Test262Error('#1: __obj = {toString:function(){}}; String(__obj).lastIndexOf(void 0) === 0. Actual: ' + String(__obj).lastIndexOf(void 0));
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+reportCompare(0, 0);