| module testbench; | |
| reg clk; | |
| initial begin | |
| $dumpfile("testbench.vcd"); | |
| $dumpvars(0, testbench); | |
| #0 clk = 0; | |
| repeat (10000) begin | |
| #5 clk = 1; | |
| #5 clk = 0; | |
| end | |
| $display("OKAY"); | |
| end | |
| reg [7:0] x = 0; | |
| wire y; | |
| always @(posedge clk) | |
| begin | |
| x = x + 1; | |
| end | |
| top uut (x,y); | |
| assert_X out_test (clk,y); | |
| endmodule |