--- gforth/test/coreext.fs	2010/09/01 16:52:12	1.4
+++ gforth/test/coreext.fs	2011/12/31 15:29:26	1.7
@@ -1,6 +1,6 @@
 \ test some core ext words
 
-\ Copyright (C) 2005,2007 Free Software Foundation, Inc.
+\ Copyright (C) 2005,2007,2010,2011 Free Software Foundation, Inc.
 
 \ This file is part of Gforth.
 
@@ -22,3 +22,17 @@ testing core ext
 { 1 2 3 4 1 roll -> 1 2 4 3 }
 { 1 2 3 4 2 roll -> 1 3 4 2 }
 { 1 2 3 4 3 roll -> 2 3 4 1 }
+
+{ 1 0 U> -> <TRUE> }
+{ 2 1 U> -> <TRUE> }
+{ MID-UINT 0 U> -> <TRUE> }
+{ MAX-UINT 0 U> -> <TRUE> }
+{ MAX-UINT MID-UINT U> -> <TRUE> }
+{ 0 0 U> -> <FALSE> }
+{ 1 1 U> -> <FALSE> }
+{ 0 1 U> -> <FALSE> }
+{ 1 2 U> -> <FALSE> }
+{ 0 MID-UINT U> -> <FALSE> }
+{ 0 MAX-UINT U> -> <FALSE> }
+{ MID-UINT MAX-UINT U> -> <FALSE> }
+