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entity tb_latch01 is
end tb_latch01;
library ieee;
use ieee.std_logic_1164.all;
architecture behav of tb_latch01 is
signal q : std_logic;
signal d : std_logic;
signal en : std_logic;
begin
dut: entity work.latch01
port map (q, d, en);
process
constant dv : std_logic_vector := b"010011";
constant ev : std_logic_vector := b"110101";
constant qv : std_logic_vector := b"011001";
begin
for i in dv'range loop
d <= dv (i);
en <= ev (i);
wait for 1 ns;
assert q = qv(i) severity failure;
end loop;
wait;
end process;
end behav;
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