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entity tb_func08b is
end tb_func08b;
library ieee;
use ieee.std_logic_1164.all;
architecture behav of tb_func08b is
signal v : std_ulogic_vector(3 downto 0);
signal r : integer;
begin
dut: entity work.func08b
port map (v, r);
process
begin
v <= x"0";
wait for 1 ns;
assert r = 4 severity failure;
v <= x"1";
wait for 1 ns;
assert r = 3 severity failure;
v <= x"8";
wait for 1 ns;
assert r = 0 severity failure;
v <= x"3";
wait for 1 ns;
assert r = 2 severity failure;
wait;
end process;
end behav;
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