use work.types_pkg.all; entity design_tb is end entity; architecture testbench of design_tb is constant PERIOD : time := 10 ns; signal clk : bit := '1'; type pass_through_t is record texture_id : mytype_t; end record; signal input_pass_through : pass_through_t; begin clk <= '0' after 1 ns, '1' after 2 ns; end architecture;