37 lines
857 B
Coq
37 lines
857 B
Coq
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// Copyright 2008, Martin Whitaker
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// This file may be freely copied for any purpose. No attribution required.
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module prXXX();
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reg [3:0] value1;
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wire [1:0] value2;
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assign value2 = (value1 == 0) ? 0 : (value1 == 1) ? 1 : 2;
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initial begin
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value1 = 0;
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#1 if (value2 !== 0) begin
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$display("FAILED -- value1=%b, value2=%b", value1, value2);
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$finish;
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end
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value1 = 1;
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#1 if (value2 !== 1) begin
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$display("FAILED -- value1=%b, value2=%b", value1, value2);
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$finish;
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end
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value1 = 2;
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#1 if (value2 !== 2) begin
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$display("FAILED -- value1=%b, value2=%b", value1, value2);
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$finish;
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end
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value1 = 3;
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#1 if (value2 !== 2) begin
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$display("FAILED -- value1=%b, value2=%b", value1, value2);
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$finish;
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end
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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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