iverilog/ivtest/ivltests/fork1.v

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//
// Copyright (c) 1999 Steven Wilson (stevew@home.com)
//
// This source code is free software; you can redistribute it
// and/or modify it in source code form 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.
//
// This program 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 this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
//
// SDW - Validate 3 way fork. Bug report 228.
module test;
reg a,b,c;
reg error;
initial
begin
error = 0;
fork
a = 1;
b = 0;
c = 1;
join
if(a !== 1)
begin
$display("FAILED - a not set to 1");
error = 1;
end
if(b !== 0)
begin
$display("FAILED - b not set to 0");
error = 1;
end
if(c !== 1)
begin
$display("FAILED - c not set to 1");
error = 1;
end
if(error == 0)
$display("PASSED");
end
endmodule