| module testbench; | |
| reg [2:0] in; | |
| reg patt_out = 0; | |
| wire out; | |
| initial begin | |
| // $dumpfile("testbench.vcd"); | |
| // $dumpvars(0, testbench); | |
| #5 in = 0; | |
| repeat (10000) begin | |
| #5 in = in + 1; | |
| end | |
| $display("OKAY"); | |
| end | |
| top uut ( | |
| .CLK(in[0]), | |
| .D(in[1]), | |
| .CLR(in[2]), | |
| .Q(out) | |
| ); | |
| always @(posedge in[0] or posedge in[2]) | |
| if (in[2]) | |
| patt_out <= 0; | |
| else | |
| patt_out <= in[1]; | |
| assert_dff dff_test(.clk(in[0]),.test(out),.pat(patt_out)); | |
| endmodule |