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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: tc1309.vhd,v 1.2 2001-10-26 16:29:39 paw Exp $
-- $Revision: 1.2 $
--
-- ---------------------------------------------------------------------
package c08s04b00x00p07n01i01309pkg is
-- Type declarations.
subtype BV2 is BIT_VECTOR( 0 to 1 );
subtype CH2 is STRING( 1 to 2 );
-- Constant declarations.
constant BVC : BV2 := B"00";
constant CHC : CH2 := "bb";
-- Function returns BV2.
function returnBV2 return BV2;
-- Function returns CH2.
function returnCH2 return CH2;
end c08s04b00x00p07n01i01309pkg;
package body c08s04b00x00p07n01i01309pkg is
-- Function returns BV2.
function returnBV2 return BV2 is
begin
return ( BVC );
end returnBV2;
-- Function returns CH2.
function returnCH2 return CH2 is
begin
return( CHC );
end returnCH2;
end c08s04b00x00p07n01i01309pkg;
use work.c08s04b00x00p07n01i01309pkg.all;
ENTITY c08s04b00x00p07n01i01309ent IS
END c08s04b00x00p07n01i01309ent;
ARCHITECTURE c08s04b00x00p07n01i01309arch OF c08s04b00x00p07n01i01309ent IS
-- Local signals.
signal S : BIT;
signal T : BIT;
signal C1, C2 : CHARACTER;
BEGIN
TESTING: PROCESS
-- local variables
variable BITV : BV2 := B"11";
variable STRV : CH2 := "ab";
variable ShouldBeTime : TIME;
variable k : integer := 0;
BEGIN
-- Assign with a variable as the expression.
( S, T ) <= BITV after 10 ns;
ShouldBeTime := NOW + 10 ns;
wait on S,T;
if (ShouldBeTime /= Now or S /= BITV(0) or T /= BITV(1)) then
k := 1;
end if;
assert (ShouldBeTime = NOW);
assert ((S = BITV( 0 )) and (T = BITV( 1 )));
( C1,C2 ) <= STRV after 10 ns;
ShouldBeTime := NOW + 10 ns;
wait on C1,C2;
if (ShouldBeTime /= Now or C1 /= STRV(1) or C2 /= STRV(2)) then
k := 1;
end if;
assert (ShouldBeTime = NOW);
assert ((C1 = STRV( 1 )) and (C2 = STRV( 2 )));
-- Assign with a function return value.
( S, T ) <= returnBV2 after 10 ns;
ShouldBeTime := NOW + 10 ns;
wait on S,T;
if (ShouldBeTime /= Now or S /= BVC(0) or T /= BVC(1)) then
k := 1;
end if;
assert (ShouldBeTime = NOW);
assert ((S = BVC( 0 )) and (T = BVC( 1 )));
( C1,C2 ) <= returnCH2 after 10 ns;
ShouldBeTime := NOW + 10 ns;
wait on C1,C2;
if (ShouldBeTime /= Now or C1 /= CHC(1) or C2 /= CHC(2)) then
k := 1;
end if;
assert (ShouldBeTime = NOW);
assert ((C1 = CHC( 1 )) and (C2 = CHC( 2 )));
-- Assign with a qualified expression.
( S, T ) <= BV2'( '0', '1' ) after 10 ns;
ShouldBeTime := NOW + 10 ns;
wait on S,T;
if (ShouldBeTime /= Now or S /= '0' or T /= '1') then
k := 1;
end if;
assert (ShouldBeTime = NOW);
assert ((S = '0') and (T = '1'));
( C1,C2 ) <= CH2'( 'c', 'c' ) after 10 ns;
ShouldBeTime := NOW + 10 ns;
wait on C1,C2;
if (ShouldBeTime /= Now or C1 /= 'c' or C2 /= 'c') then
k := 1;
end if;
assert (ShouldBeTime = NOW);
assert ((C1 = 'c') and (C2 = 'c'));
assert NOT( k = 0 )
report "***PASSED TEST: c08s04b00x00p07n01i01309"
severity NOTE;
assert ( k = 0 )
report "***FAILED TEST: c08s04b00x00p07n01i01309 - If the target of the signal assignment statement is in the form of an aggregate, then the type of the aggregate must be determinable from the context."
severity ERROR;
wait;
END PROCESS TESTING;
END c08s04b00x00p07n01i01309arch;
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