SVIncCompil/Testcases/Icarus/ivltests/ldelay2.v

/*
 * Copyright (c) 2001 Stephan Boettcher <stephan@nevis.columbia.edu>
 *
 *    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
 */

// $Id: ldelay2.v,v 1.1 2001/12/26 23:45:57 sib4 Exp $

// Test for delays in structural logic. Inertial delays suppress event.

module test;

   wire q;
   reg  a, b;
   xor #1 (q, a, b);

   reg 	error;
   initial
     begin
	error = 0;
	#2;
	@(q);
	error = 1;
	$display("%0d: FAILED: q=%b", $time, q);
     end
   
   initial
     begin
	$dumpvars;
	a = 0;
	b = 1;
	#3;
	a = 1;
	b = 0;
	#2;
	a = 0;
	b = 1;
	#3;
	if (!error)
	  $display("PASSED");
     end
endmodule