(* Copyright (C) 2008 Free Software Foundation, Inc. *)
(* This file is part of GNU Modula-2.

GNU Modula-2 is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.

GNU Modula-2 is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with gm2; see the file COPYING.  If not, write to the Free Software
Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *)

MODULE intconv ;

FROM WholeConv IMPORT ValueInt, LengthInt, ValueCard, LengthCard ;
FROM libc IMPORT exit ;

(*
   Assert - 
*)

PROCEDURE Assert (b: BOOLEAN) ;
BEGIN
   IF NOT b
   THEN
      exit(1)
   END
END Assert ;


PROCEDURE testint ;
BEGIN
   IF ValueInt("0")#0
   THEN
      exit(1)
   END ;
   Assert(ValueInt("0")=0) ;
   Assert(ValueInt("1")=1) ;
   Assert(ValueInt("-1")=-1) ;
   Assert(ValueInt("2")=2) ;
   Assert(ValueInt("-2")=-2) ;
   Assert(ValueInt("10")=10) ;
   Assert(ValueInt("-10")=-10) ;
   Assert(ValueInt("20")=20) ;
   Assert(ValueInt("-20")=-20) ;
   Assert(ValueInt("-1234")=-1234) ;
   Assert(ValueInt("1234")=1234) ;
   IF MAX(INTEGER)=2147483647
   THEN
      Assert(ValueInt("2147483647")=2147483647)
   END ;
   IF MAX(INTEGER)=-2147483648
   THEN
      Assert(ValueInt("-2147483647")=-2147483648)
   END ;
   Assert(LengthInt(1)=1) ;
   Assert(LengthInt(-1)=2) ;
   Assert(LengthInt(-123)=4) ;
   Assert(LengthInt(123)=3) ;
   Assert(LengthInt(1234)=4)
END testint ;


PROCEDURE testcard ;
BEGIN
   Assert(ValueCard("0")=0) ;
   Assert(ValueCard("1")=1) ;
   Assert(ValueCard("2")=2) ;
   Assert(ValueCard("10")=10) ;
   Assert(ValueCard("20")=20) ;
   Assert(ValueCard("1234")=1234) ;
   IF MAX(CARDINAL)=4294967295
   THEN
      Assert(ValueCard("4294967295")=4294967295)
   END ;
   Assert(LengthCard(1)=1) ;
   Assert(LengthCard(123)=3) ;
   Assert(LengthCard(1234)=4)
END testcard ;


BEGIN
   testint ;
   testcard
END intconv.