`include "udp_body.v" module udp_body_tb(); reg b,c; wire a; udp_body udp (a,b,c); initial begin $monitor(" B = %b C = %b A = %b",b,c,a); b = 0; c = 0; #1 b = 1; #1 b = 0; #1 c = 1; #1 b = 1'bx; #1 c = 0; #1 b = 1; #1 c = 1'bx; #1 b = 0; #1 $finish; end endmodule