1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/lastIndexOf/S15.5.4.8_A1_T6.js b/js/src/tests/test262/built-ins/String/prototype/lastIndexOf/S15.5.4.8_A1_T6.js
new file mode 100644
index 0000000000..90b28bc8b9
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/lastIndexOf/S15.5.4.8_A1_T6.js
@@ -0,0 +1,23 @@
+// 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_T6
+description: >
+    Call lastIndexOf(searchString, position) function with x argument
+    of new String object, where x is undefined variable
+---*/
+
+//////////////////////////////////////////////////////////////////////////////
+//CHECK#1
+//since ToString(undefined) evaluates to "" lastIndexOf(undefined) evaluates to lastIndexOf("",0)
+if (new String("undefined").lastIndexOf(x) !== 0) {
+  throw new Test262Error('#1: var x; new String("undefined").lastIndexOf(x) === 0. Actual: ' + new String("undefined").lastIndexOf(x));
+}
+//
+//////////////////////////////////////////////////////////////////////////////
+
+var x;
+
+reportCompare(0, 0);