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lustrec-tests / vhdl_json / vhdl_files / 2-exportOK / ghdl / ghdl / testsuite / vests / vhdl-93 / billowitch / compliant / tc1911.vhd @ 3fd18385

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-- Copyright (C) 2001 Bill Billowitch.
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-- Some of the work to develop this test suite was done with Air Force
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-- support.  The Air Force and Bill Billowitch assume no
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-- responsibilities for this software.
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-- This file is part of VESTs (Vhdl tESTs).
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-- VESTs is free software; you can redistribute it and/or modify it
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-- under the terms of the GNU General Public License as published by the
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-- Free Software Foundation; either version 2 of the License, or (at
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-- your option) any later version. 
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-- VESTs is distributed in the hope that it will be useful, but WITHOUT
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-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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-- FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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-- for more details. 
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-- You should have received a copy of the GNU General Public License
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-- along with VESTs; if not, write to the Free Software Foundation,
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-- Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
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-- ---------------------------------------------------------------------
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--
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-- $Id: tc1911.vhd,v 1.2 2001-10-26 16:29:43 paw Exp $
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-- $Revision: 1.2 $
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--
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-- ---------------------------------------------------------------------
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ENTITY c07s02b00x00p09n02i01911ent IS
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END c07s02b00x00p09n02i01911ent;
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ARCHITECTURE c07s02b00x00p09n02i01911arch OF c07s02b00x00p09n02i01911ent IS
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BEGIN
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  TESTING: PROCESS
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    variable ValueI1, SameValueI1, DifferentValueI1 : INTEGER;
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    variable ValueI2, SameValueI2, DifferentValueI2 : INTEGER;
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    variable ValueI3, SameValueI3, DifferentValueI3 : INTEGER;
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    variable ValueI4, SameValueI4, DifferentValueI4 : INTEGER;
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  BEGIN
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    -- adding operators.  
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    --   Cannot compare the "&" operator against either the "+" or 
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    --   "-" operators.  The only two we can compare are the "+"
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    --         and the "-" operators.
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    -- "+", "-"
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    ValueI1         := 14 + 1 - 9 - 7;
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    SameValueI1     := ((14 + 1) - 9) - 7;
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    DifferentValueI1:= 14 + (1 - (9 - 7));
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    assert (ValueI1 = SameValueI1)
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      report "Values of same precedence are not evaluated left to right.";
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    assert (ValueI1 /= DifferentValueI1)
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      report "Values of same precedence are not evaluated left to right.";
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    -- multiplying operators.
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    -- "*", "/"
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    ValueI2          := 14 / 7 * 3;
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    SameValueI2      := (14 / 7) * 3;   -- 6
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    DifferentValueI2 := 14 / (7 * 3);   -- 0
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    assert (ValueI2 = SameValueI2)
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      report "Values of same precedence are not evaluated left to right.";
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    assert (ValueI2 /= DifferentValueI2)
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      report "Values of same precedence are not evaluated left to right.";
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    -- "*", "mod"
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    ValueI3          := 14 mod 7 * 3;
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    SameValueI3      := (14 mod 7) * 3;   -- 0
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    DifferentValueI3 := 14 mod (7 * 3);   -- 14
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    assert (ValueI3 = SameValueI3)
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      report "Values of same precedence are not evaluated left to right.";
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    assert (ValueI3 /= DifferentValueI3)
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      report "Values of same precedence are not evaluated left to right.";
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    -- "*", "rem"
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    ValueI4          := 14 rem 7 * 3;
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    SameValueI4      := (14 rem 7) * 3;   -- 0
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    DifferentValueI4 := 14 rem (7 * 3);   -- 14
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    assert (ValueI4 = SameValueI4)
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      report "Values of same precedence are not evaluated left to right.";
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    assert (ValueI4 /= DifferentValueI4)
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      report "Values of same precedence are not evaluated left to right.";
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    wait for 5 ns;
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    assert NOT(    (ValueI1 = SameValueI1)   and
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                   (ValueI1 /= DifferentValueI1)   and
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                   (ValueI2 = SameValueI2)   and
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                   (ValueI2 /= DifferentValueI2)   and
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                   (ValueI3 = SameValueI3)   and
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                   (ValueI3 /= DifferentValueI3)   and
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                   (ValueI4 = SameValueI4)   and
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                   (ValueI4 /= DifferentValueI4)   )
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      report "***PASSED TEST: c07s02b00x00p09n02i01911"
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      severity NOTE;
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    assert (    (ValueI1 = SameValueI1)   and
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                (ValueI1 /= DifferentValueI1)   and
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                (ValueI2 = SameValueI2)   and
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                (ValueI2 /= DifferentValueI2)   and
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                (ValueI3 = SameValueI3)   and
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                (ValueI3 /= DifferentValueI3)   and
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                (ValueI4 = SameValueI4)   and
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                (ValueI4 /= DifferentValueI4)   )
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      report "***FAILED TEST: c07s02b00x00p09n02i01911 - Operators are not associated with their operands in textual order."
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      severity ERROR;
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    wait;
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  END PROCESS TESTING;
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END c07s02b00x00p09n02i01911arch;