/* * Copyright (c) 2002 Stephen Williams (steve@icarus.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 */ /* * This test checks that signed comparisons of constants work * properly in conditional expressions. These cases are of * interest because they are evaluated at compile time, so * that dead code can be skipped. */ module main; initial begin if ((0 < -255) || (0 > 255)) begin $display("FAILED -- expression evaluated true"); $finish; end if ((0 <= -255) || (0 >= 255)) begin $display("FAILED -- expression evaluated true"); $finish; end $display("PASSED"); end endmodule // main