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entity tb_arr04 is
end tb_arr04;
library ieee;
use ieee.std_logic_1164.all;
architecture behav of tb_arr04 is
signal clk : std_logic;
signal rst : std_logic;
signal sel_i : std_logic;
signal sel_o : std_logic;
signal v : std_logic;
signal r : std_logic;
begin
dut: entity work.arr04
port map (clk => clk, rst => rst, sel_i => sel_i, sel_o => sel_o,
v => v, res => r);
process
constant siv : std_logic_vector := b"0010";
constant sov : std_logic_vector := b"0101";
constant v_v : std_logic_vector := b"0011";
constant r_v : std_logic_vector := b"0001";
begin
clk <= '0';
rst <= '1';
wait for 1 ns;
clk <= '1';
wait for 1 ns;
rst <= '0';
for i in siv'range loop
sel_i <= siv (i);
sel_o <= sov (i);
v <= v_v (i);
clk <= '0';
wait for 1 ns;
clk <= '1';
wait for 1 ns;
assert r = r_v(i) severity failure;
end loop;
wait;
end process;
end behav;
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