iverilog/ivtest/ivltests/const3.v

43 lines
1.3 KiB
Verilog

/*
* 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
*/
module main;
reg [7:0] testr;
wire [7:0] testw = {-5'd1, -3'sd1};
initial begin
#1 testr = {-5'd1, -3'sd1};
if (testr !== 8'b11111_111) begin
$display("FAILED -- testr=%b", testr);
$finish;
end
if (testw !== 8'b11111_111) begin
$display("FAILED -- testw=%b", testw);
$finish;
end
$display("testr=%b", testr);
$display("testw=%b", testw);
$display("PASSED");
end // initial begin
endmodule // main