51 lines
709 B
Coq
51 lines
709 B
Coq
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`default_nettype none
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module Or8Way_tb();
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// IN,OUT
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reg [7:0] in;
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wire out;
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// Part
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Or8Way OR8WAY(
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.in(in),
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.out(out)
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);
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// Compare
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wire out_cmp;
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assign out_cmp = |in;
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reg fail = 0;
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reg [15:0] n=0;
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task check;
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#1
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if (out != out_cmp)
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begin
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$display("FAIL: in=%8b, out=%1b",in,out);
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fail=1;
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end
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endtask
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// Test
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initial begin
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$dumpfile("Or8Way_tb.vcd");
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$dumpvars(0, Or8Way_tb);
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$display("------------------------");
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$display("Testbench: Or8Way");
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in=0;
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check();
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for (n=0; n<10000;n=n+1)
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begin
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in=$random;
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check();
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end
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if (fail==0) $display("passed");
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$display("------------------------");
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$finish;
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end
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endmodule
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