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iverilog/ivtest/ivltests/vhdl_concat.v
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Stephen Williams cea237b407 Add ivtest to the iverilog source tree
By adding ivtest to the iverilog source tree, it is easier to keep
the regression test synchronized with the source that is being tested.
This should be especially helpful for PRs that add a new feature, and
have a matching ivtest PR with the regression test for that feature.
2022-01-15 10:18:50 -08:00

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Verilog

// Copyright (c) 2014 CERN
// Maciej Suminski <[email protected]>
//
// 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
// Test for expression concatenation in VHDL.
module concat_test;
concat dut();
initial begin
#1; // wait for signal assignments
if(dut.concat1 !== 2'b10)
begin
$display("FAILED: concat1 should be 10 but is %b", dut.concat1);
$finish();
end
if(dut.concat2 !== 5'b11010)
begin
$display("FAILED: concat2 should be 11010 but is %b", dut.concat2);
$finish();
end
$display("PASSED");
end
endmodule