50 lines
1.4 KiB
Coq
50 lines
1.4 KiB
Coq
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/*
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* Copyright (c) 2000 Stephen Williams (steve@icarus.com)
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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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*/
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/*
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* This test uses the level sensitive wait to notice the scheduling of
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* the expression evaluation. The FAILED message detects cases where
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* the value of test is true, even when the value of a is set to
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* false.
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*/
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module main;
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reg a;
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wire test = a == 1'b1;
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always #1 wait (test) begin
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if (a !== 1'b1) begin
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$display("FAILED -- a == %b, test == %b", a, test);
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$finish;
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end
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a = 1'b0;
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end
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initial begin
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a = 0;
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#10 a = 1;
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#10 a = 0;
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#10 $display("PASSED");
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end
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endmodule // main
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