diff --git a/test/scripts/typedvar.py b/test/scripts/typedvar.py
index 7e48be7..b830288 100644
--- a/test/scripts/typedvar.py
+++ b/test/scripts/typedvar.py
@@ -403,4 +403,8 @@ class TypedVarTest( unittest.TestCase ):
         g_classChild = target.module.typedVar("g_classChild")
         self.assertEqual( 1000*5, g_classChild.childMethod(10) )
 
+    def testCallStdStr(self):
+        g_stdString = target.module.typedVar("g_stdString")
+        self.assertEqual( "testString".find('S'), g_stdString.find_first_of(ord('S'), 0) )
 
+       
\ No newline at end of file