LIBRARY ieee; USE ieee.std_logic_1164.ALL; ENTITY AdderTest IS END AdderTest; ARCHITECTURE behavior OF AdderTest IS -- Component Declaration for the Unit Under Test (UUT) COMPONENT CarryLookAhead PORT( X : IN std_logic_vector(47 downto 0); Y : IN std_logic_vector(47 downto 0); OP : IN std_logic; RESULT : OUT std_logic_vector(47 downto 0); OVERFLOW : OUT std_logic ); END COMPONENT; --Inputs signal X : std_logic_vector(47 downto 0) := (others => '0'); signal Y : std_logic_vector(47 downto 0) := (others => '0'); signal OP : std_logic := '0'; --Outputs signal RESULT : std_logic_vector(47 downto 0); signal OVERFLOW : std_logic; signal clock : std_logic; constant clock_period : time := 10 ns; BEGIN -- Instantiate the Unit Under Test (UUT) uut: CarryLookAhead PORT MAP ( X => X, Y => Y, OP => OP, RESULT => RESULT, OVERFLOW => OVERFLOW ); -- Clock process definitions clock_process :process begin clock <= '0'; wait for clock_period/2; clock <= '1'; wait for clock_period/2; end process; test_proc: process begin --test wait for clock_period; end process; END;