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entity tb_iassoc04 is
end tb_iassoc04;
library ieee;
use ieee.std_logic_1164.all;
architecture behav of tb_iassoc04 is
signal a, b : bit_vector (3 downto 0);
signal res : bit;
begin
dut: entity work.iassoc04
port map (a, b, res);
process
begin
a <= "0001";
b <= "0000";
wait for 1 ns;
assert res = '1' severity failure;
a <= "0000";
b <= "0000";
wait for 1 ns;
assert res = '0' severity failure;
wait;
end process;
end behav;
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