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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: tc1910.vhd,v 1.2 2001-10-26 16:29:43 paw Exp $
-- $Revision: 1.2 $
--
-- ---------------------------------------------------------------------
ENTITY c07s02b00x00p09n01i01910ent IS
END c07s02b00x00p09n01i01910ent;
ARCHITECTURE c07s02b00x00p09n01i01910arch OF c07s02b00x00p09n01i01910ent IS
BEGIN
TESTING: PROCESS
-- Local declarations.
variable ValueB1 : BOOLEAN;
variable ValueB2 : BOOLEAN;
variable ValueB3 : BOOLEAN;
variable ValueB4 : BOOLEAN;
variable ValueI1, SameValueI1, DifferentValueI1 : INTEGER;
variable ValueI2, SameValueI2, DifferentValueI2 : INTEGER;
variable ValueI3, SameValueI3, DifferentValueI3 : INTEGER;
variable ValueI4, SameValueI4, DifferentValueI4 : INTEGER;
variable ValueI5, SameValueI5, DifferentValueI5 : INTEGER;
variable ValueI6, SameValueI6, DifferentValueI6 : INTEGER;
variable ValueI7, SameValueI7, DifferentValueI7 : INTEGER;
BEGIN
-- "+" (addition) operator, and the "-" operator.
-- - NOTE: The following expression would not be able to parse
-- if the precedence used was such that the "=" operator
-- had a higher precedence than the "+" operator. Thus,
-- if this parses you are guaranteed that the precedence
-- relative to these two levels is correctly defined.Same
-- goes for the "-" operator.
ValueB1 := 1 + 3 = 3 + 1;
assert (ValueB1)
report "The expression has not been processed correctly.(5)";
ValueB2 := 3 - 1 = 5 - 3;
assert (ValueB2)
report "The expression has not been processed correctly.(6)";
-- "+" (sign) operator, and the "-" (sign) operator.
-- - NOTE: The following expression would not be able to parse
-- if the precedence used was such that the "=" operator
-- had a higher precedence than the "+" operator. Thus,
-- if this parses you are guaranteed that the precedence
-- relative to these two levels is correctly defined.Same
-- goes for the "-" operator.
ValueB3 := + 1 = + 1;
assert (ValueB3)
report "The expression has not been processed correctly.(7)";
ValueB4 := - 3 = - 3;
assert (ValueB4)
report "The expression has not been processed correctly.(8)";
ValueI1 := -3 + 4;
SameValueI1 := (-3) + 4;
DifferentValueI1:= -(3 + 4);
assert (ValueI1 = SameValueI1)
report "Values of lower precedence associated before those of higher precedence.(9)";
assert (ValueI1 /= DifferentValueI1)
report "Values of lower precedence associated before those of higher precedence.(10)";
-- "*" operator.
ValueI2 := 3 + 4 * 5;
SameValueI2 := 3 + (4 * 5);
DifferentValueI2:= (3 + 4) * 5;
assert (ValueI2 = SameValueI2)
report "Values of lower precedence associated before those of higher precedence.(13)";
assert (ValueI2 /= DifferentValueI2)
report "Values of lower precedence associated before those of higher precedence.(14)";
-- "/" operator.
ValueI3 := 5 + 10 / 5;
SameValueI3 := 5 + (10 / 5);
DifferentValueI3:= (5 + 10) / 5;
assert (ValueI3 = SameValueI3)
report "Values of lower precedence associated before those of higher precedence.(15)";
assert (ValueI3 /= DifferentValueI3)
report "Values of lower precedence associated before those of higher precedence.(16)";
-- "mod" operator.
ValueI4 := 4 + 11 mod 3;
SameValueI4 := 4 + (11 mod 3);
DifferentValueI4:= (4 + 11) mod 3;
assert (ValueI4 = SameValueI4)
report "Values of lower precedence associated before those of higher precedence.(17)";
assert (ValueI4 /= DifferentValueI4)
report "Values of lower precedence associated before those of higher precedence.(18)";
-- "rem" operator.
ValueI5 := 4 + 11 rem 3;
SameValueI5 := 4 + (11 rem 3);
DifferentValueI5:= (4 + 11) rem 3;
assert (ValueI5 = SameValueI5)
report "Values of lower precedence associated before those of higher precedence.(19)";
assert (ValueI5 /= DifferentValueI5)
report "Values of lower precedence associated before those of higher precedence.(20)";
-- "**" operator.
ValueI6 := 3 * 4 ** 2;
SameValueI6 := 3 * (4 ** 2);
DifferentValueI6:= (3 * 4) ** 2;
assert (ValueI6 = SameValueI6)
report "Values of lower precedence associated before those of higher precedence.(21)";
assert (ValueI6 /= DifferentValueI6)
report "Values of lower precedence associated before those of higher precedence.(22)";
-- "abs" operator.
ValueI7 := abs (-5) * (-7);
SameValueI7 := (abs (-5)) * (-7);
DifferentValueI7:= abs((-5) * (-7));
assert (ValueI7 = SameValueI7)
report "Values of lower precedence associated before those of higher precedence.(23)";
assert (ValueI7 /= DifferentValueI7)
report "Values of lower precedence associated before those of higher precedence.(24)";
wait for 5 ns;
assert NOT( (ValueB1) and
(ValueB2) and
(ValueB3) and
(ValueB4) and
(ValueI1 = SameValueI1) and
(ValueI1 /= DifferentValueI1) and
(ValueI2 = SameValueI2) and
(ValueI2 /= DifferentValueI2) and
(ValueI3 = SameValueI3) and
(ValueI3 /= DifferentValueI3) and
(ValueI4 = SameValueI4) and
(ValueI4 /= DifferentValueI4) and
(ValueI5 = SameValueI5) and
(ValueI5 /= DifferentValueI5) and
(ValueI6 = SameValueI6) and
(ValueI6 /= DifferentValueI6) and
(ValueI7 = SameValueI7) and
(ValueI7 /= DifferentValueI7) )
report "***PASSED TEST: c07s02b00x00p09n01i01910"
severity NOTE;
assert ( (ValueB1) and
(ValueB2) and
(ValueB3) and
(ValueB4) and
(ValueI1 = SameValueI1) and
(ValueI1 /= DifferentValueI1) and
(ValueI2 = SameValueI2) and
(ValueI2 /= DifferentValueI2) and
(ValueI3 = SameValueI3) and
(ValueI3 /= DifferentValueI3) and
(ValueI4 = SameValueI4) and
(ValueI4 /= DifferentValueI4) and
(ValueI5 = SameValueI5) and
(ValueI5 /= DifferentValueI5) and
(ValueI6 = SameValueI6) and
(ValueI6 /= DifferentValueI6) and
(ValueI7 = SameValueI7) and
(ValueI7 /= DifferentValueI7) )
report "***FAILED TEST: c07s02b00x00p09n01i01910 - Operators of higher precedence are associated with their operands before operators of lower precedence."
severity ERROR;
wait;
END PROCESS TESTING;
END c07s02b00x00p09n01i01910arch;
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