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(* Copyright (C) 2017 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 3, 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 limittests ;
FROM Builtins IMPORT isfinite ;
FROM FpuIO IMPORT WriteLongReal, LongRealToStr ;
FROM StrLib IMPORT StrEqual ;
FROM libc IMPORT exit, printf ;
FROM StrIO IMPORT WriteLn ;
FROM FIO IMPORT FlushBuffer, StdOut ;
PROCEDURE Assert (b: BOOLEAN; l: CARDINAL) ;
BEGIN
IF NOT b
THEN
FlushBuffer (StdOut) ;
printf ("%s:%d:regression test failed during execution\n",
__FILE__, l) ;
r := 1
END
END Assert ;
VAR
a: REAL;
r: INTEGER ;
BEGIN
r := 0 ;
a := 1.0 / 0.0 ;
IF isfinite (a) = 0
THEN
printf ("detected infinite number\n")
ELSE
printf ("failed to detect infinite number\n") ;
r := 1
END ;
a := 1.0 / 1.0 ;
IF isfinite (a) = 1
THEN
printf ("detected finite number\n")
ELSE
printf ("failed to detect finite number\n") ;
r := 2
END ;
IF r = 0
THEN
printf ("all tests passed\n")
END ;
exit (r)
END limittests.
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