1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
|
library ieee;
use ieee.std_logic_1164.all;
entity tb_test is
end entity;
architecture arch of tb_test is
signal x : integer range 0 to 9;
signal y : integer range 0 to 10;
signal r, s : std_ulogic;
begin
process
begin
for ix in 0 to 9 loop
x <= ix;
for iy in 0 to 10 loop
y <= iy;
wait for 10 ns;
if x = y then
assert r = '1' severity failure;
else
assert r = '0' severity failure;
end if;
end loop;
end loop;
wait;
end process;
inst: entity work.test
port map (
x => x,
y => y,
o => r
);
end architecture;
|