entity tb_full_adder is end entity tb_full_adder; library util; use util.stimulus_generators.all; architecture test of tb_full_adder is signal a, b, c_in, s, c_out : bit; signal test_vector : bit_vector(1 to 3); begin dut : entity work.full_adder port map ( a => a, b => b, c_in => c_in, s => s, c_out => c_out ); all_possible_values ( test_vector, 10 ns ); (a, b, c_in) <= test_vector; end architecture test;