Index: trunk/psLib/test/collections/tst_psBitSet.c
===================================================================
--- trunk/psLib/test/collections/tst_psBitSet.c	(revision 3288)
+++ trunk/psLib/test/collections/tst_psBitSet.c	(revision 3289)
@@ -17,6 +17,6 @@
  *  @author  Ross Harman, MHPCC
  *
- *  @version $Revision: 1.6 $  $Name: not supported by cvs2svn $
- *  @date  $Date: 2005-02-18 22:32:49 $
+ *  @version $Revision: 1.7 $  $Name: not supported by cvs2svn $
+ *  @date  $Date: 2005-02-18 22:46:50 $
  *
  *  Copyright 2004-2005 Maui High Performance Computing Center, University of Hawaii
@@ -660,4 +660,20 @@
 
 
+    psLogMsg(__func__,PS_LOG_INFO,"Following should generate an error");
+    if(psBitSetOp(outbs,NULL,"AND",bs2) != NULL) {
+        psError(PS_ERR_UNKNOWN,true,"psBitSetOp did not return NULL with NULL input 1 bit set");
+        return 40;
+    }
+    psLogMsg(__func__,PS_LOG_INFO,"Following should generate an error");
+    if(psBitSetOp(outbs,bs1,NULL,bs2) != NULL) {
+        psError(PS_ERR_UNKNOWN,true,"psBitSetOp did not return NULL with NULL operator");
+        return 41;
+    }
+    psLogMsg(__func__,PS_LOG_INFO,"Following should generate an error");
+    if(psBitSetOp(outbs,bs1,"AND",NULL) != NULL)  {
+        psError(PS_ERR_UNKNOWN,true,"psBitSetOp did not return NULL with NULL input 2 bit set");
+        return 42;
+    }
+
     psFree(bs1);
     psFree(bs2);