mirror of
https://github.com/steveicarus/iverilog.git
synced 2026-09-03 16:29:25 +02:00
Stephen Williams
cea237b407
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.
116 lines
2.5 KiB
Verilog
116 lines
2.5 KiB
Verilog
/*
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* integer2le - a verilog test for integer less-or-equal conditional <=
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*
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* Copyright (C) 1999 Stephen G. Tell
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* Portions inspired by qmark.v by Steven Wilson ([email protected])
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, 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 software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA
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*/
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module integer2le;
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integer a;
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integer b;
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integer c;
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reg error;
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initial
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begin
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error = 0;
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a = 1;
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if(a <= 2)
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begin
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b = 1;
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end
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else
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begin
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$display("FAILED 1 <= 2");
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error = 1;
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end
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a = 2;
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if(a <= 2)
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begin
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b = 1;
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end
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else
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begin
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$display("FAILED 2 <= 2");
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error = 1;
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end
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a = 3;
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if(a <= 2)
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begin
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$display("FAILED 3 <= 2");
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error = 1;
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end
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c = 0;
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a = 10;
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for(b = 0; a <= 5; b = b + 1)
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begin
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b = b + a;
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c = c + 1;
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if(c > 10)
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begin
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$display("FAILED (infinite loop) a=%d b=%d", a, b);
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error = 1;
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$finish;
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end
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end
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if(b != 0)
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begin
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$display("FAILED forloop a=%d b=%d", a, b);
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error = 1;
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end
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if(a != 10)
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begin
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$display("FAILED forloop a=%d b=%d", a, b);
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error = 1;
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end
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b = 0;
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c = 0;
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for(a = 0; a <= 5; a = a + 1)
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begin
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b = b + a;
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c = c + 1;
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if(c > 10)
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begin
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$display("FAILED (infinite loop) a=%d b=%d", a, b);
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error = 1;
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$finish;
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end
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end
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if(b != 15)
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begin
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$display("FAILED forloop b=%d expected 15", b);
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error = 1;
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end
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if(error == 0)
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$display("PASSED");
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$finish;
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end // initial begin
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endmodule
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