| module testbench; | |
| reg a; | |
| reg En = 1'b1; | |
| wire b; | |
| initial begin | |
| // $dumpfile("testbench.vcd"); | |
| // $dumpvars(0, testbench); | |
| #5 a = 0; | |
| repeat (10000) begin | |
| #5 a = ~a; | |
| end | |
| $display("OKAY"); | |
| end | |
| top uut ( | |
| .A(a), | |
| .En(En), | |
| .Y(b) | |
| ); | |
| assert_comb b_test(.A(a),.B(b)); | |
| endmodule |