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-- Copyright (C) 2001 Bill Billowitch.
-- Some of the work to develop this test suite was done with Air Force
-- support. The Air Force and Bill Billowitch assume no
-- responsibilities for this software.
-- This file is part of VESTs (Vhdl tESTs).
-- VESTs 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 of the License, or (at
-- your option) any later version.
-- VESTs 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 VESTs; if not, write to the Free Software Foundation,
-- Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-- ---------------------------------------------------------------------
--
-- $Id: tc1552.vhd,v 1.2 2001-10-26 16:29:42 paw Exp $
-- $Revision: 1.2 $
--
-- ---------------------------------------------------------------------
ENTITY c08s09b00x00p10n03i01552ent IS
END c08s09b00x00p10n03i01552ent;
ARCHITECTURE c08s09b00x00p10n03i01552arch OF c08s09b00x00p10n03i01552ent IS
BEGIN
TESTING: PROCESS
-- enumerated type.
type COLORS is (RED, GREEN, BLUE, ORANGE, PINK, GRAY, YELLOW);
-- local variables
variable EXECUTED_ONCE : BOOLEAN;
variable LAST_INT : INTEGER;
variable LAST_COLOR : COLORS;
variable k : integer := 0;
BEGIN
-- 1. Test ascending and descending integer discrete ranges.
EXECUTED_ONCE := FALSE;
LAST_INT := INTEGER'LOW + 1;
for I in (INTEGER'LOW+1) to (INTEGER'LOW + 10) loop
-- Verify that the first value is correct.
if (not(EXECUTED_ONCE)) then
if (I /= (integer'low + 1)) then
k := 1;
end if;
assert (I = (INTEGER'LOW+1))
report "First value is bad.";
EXECUTED_ONCE := TRUE;
-- Otherwise, test that this value is to the right of the previous one.
else
if (integer'succ(last_int) /= I) then
k := 1;
end if;
assert (INTEGER'SUCC( LAST_INT ) = I)
report "Subsequent values are bad.";
LAST_INT := I;
end if;
end loop;
EXECUTED_ONCE := FALSE;
LAST_INT := INTEGER'HIGH - 1;
for I in (INTEGER'HIGH-1) downto (INTEGER'HIGH - 10) loop
-- Verify that the first value is correct.
if (not(EXECUTED_ONCE)) then
if (I /= integer'high-1) then
k := 1;
end if;
assert (I = (INTEGER'HIGH-1))
report "First value, second loop, is bad.";
EXECUTED_ONCE := TRUE;
-- Otherwise, test that this value is to the right of the previous one.
else
if (integer'pred(last_int) /= I) then
k := 1;
end if;
assert (INTEGER'PRED( LAST_INT ) = I)
report "Subsequent values, second loop, are bad.";
LAST_INT := I;
end if;
end loop;
-- 2. Test ascending and descending enumerated type ranges.
EXECUTED_ONCE := FALSE;
LAST_COLOR := COLORS'SUCC( COLORS'LOW );
for I in (COLORS'SUCC( COLORS'LOW )) to (COLORS'HIGH) loop
-- Verify that the first value is correct.
if (not(EXECUTED_ONCE)) then
if (I /= colors'succ(colors'low)) then
k := 1;
end if;
assert (I = (COLORS'SUCC( COLORS'LOW )))
report "First value, third loop, is bad.";
EXECUTED_ONCE := TRUE;
-- Otherwise, test that this value is to the right of the previous one.
else
if (colors'succ(last_color) /= I) then
k := 1;
end if;
assert (COLORS'SUCC( LAST_COLOR ) = I)
report "Subsequent values, third loop, are bad.";
LAST_COLOR := I;
end if;
end loop;
EXECUTED_ONCE := FALSE;
LAST_COLOR := COLORS'PRED( COLORS'HIGH );
for I in (COLORS'PRED( COLORS'HIGH )) downto (COLORS'LOW) loop
-- Verify that the first value is correct.
if (not(EXECUTED_ONCE)) then
if (I /= colors'pred(colors'high)) then
k := 1;
end if;
assert (I = (COLORS'PRED( COLORS'HIGH )))
report "First value, fourth loop, is bad.";
EXECUTED_ONCE := TRUE;
-- Otherwise, test that this value is to the right of the previous one.
else
if (colors'pred(last_color) /= I) then
k := 1;
end if;
assert (COLORS'PRED( LAST_COLOR ) = I)
report "Subsequent values, fourth loop, are bad.";
LAST_COLOR := I;
end if;
end loop;
assert NOT( k=0 )
report "***PASSED TEST: c08s09b00x00p10n03i01552"
severity NOTE;
assert ( k=0 )
report "***FAILED TEST: c08s09b00x00p10n03i01552 - Each iteration of a loop statement with a for iteration scheme, the corresponding value of the discrete range is assigned to the loop parameter, these values are assigned in left to rigth order"
severity ERROR;
wait;
END PROCESS TESTING;
END c08s09b00x00p10n03i01552arch;
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