74 lines
2.0 KiB
Verilog
74 lines
2.0 KiB
Verilog
// Copyright (c) 2015 CERN
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// Maciej Suminski <maciej.suminski@cern.ch>
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//
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// This source code is free software; you can redistribute it
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// and/or modify it in source code form under the terms of the GNU
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// General Public License as published by the Free Software
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// Foundation; either version 2 of the License, or (at your option)
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// any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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// Test for or_reduce/and_reduce functions.
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module vhdl_reduce_test;
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logic [4:0] inp;
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logic and_reduced, or_reduced;
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vhdl_reduce test(inp, and_reduced, or_reduced);
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initial begin
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inp = 5'b00000;
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#1 if(and_reduced !== 1'b0 || or_reduced !== 1'b0) begin
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$display("FAILED 1");
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$finish();
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end
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inp = 5'b00010;
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#1 if(and_reduced !== 1'b0 || or_reduced !== 1'b1) begin
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$display("FAILED 2");
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$finish();
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end
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inp = 5'b11111;
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#1 if(and_reduced !== 1'b1 || or_reduced !== 1'b1) begin
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$display("FAILED 3");
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$finish();
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end
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inp = 5'bzz1xx;
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#1 if(and_reduced !== 1'bx || or_reduced !== 1'b1) begin
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$display(and_reduced);
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$display(or_reduced);
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$display("FAILED 4");
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$finish();
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end
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inp = 5'bzz0xx;
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#1 if(and_reduced !== 1'b0 || or_reduced !== 1'bx) begin
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$display(and_reduced);
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$display(or_reduced);
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$display("FAILED 5");
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$finish();
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end
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inp = 5'bzzzxx;
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#1 if(and_reduced !== 1'bx || or_reduced !== 1'bx) begin
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$display(and_reduced);
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$display(or_reduced);
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$display("FAILED 6");
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$finish();
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end
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$display("PASSED");
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end
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endmodule
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