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[/] [present/] [trunk/] [DecodeTesting/] [bench/] [vhdl/] [keyupd_invTB.vhd] - Rev 20
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----------------------------------------------------------------------- ---- ---- ---- Present - a lightweight block cipher project ---- ---- ---- ---- This file is part of the Present - a lightweight block ---- ---- cipher project ---- ---- http://www.http://opencores.org/project,present ---- ---- ---- ---- Description: ---- ---- Inverse Key update test bench to be sure that it was ---- ---- properly written. As input data, "generated data" by ISE ---- ---- simulator present cipher was used. ---- ---- To Do: ---- ---- ---- ---- Author(s): ---- ---- - Krzysztof Gajewski, gajos@opencores.org ---- ---- k.gajewski@gmail.com ---- ---- ---- ----------------------------------------------------------------------- ---- ---- ---- Copyright (C) 2013 Authors and OPENCORES.ORG ---- ---- ---- ---- This source file may be used and distributed without ---- ---- restriction provided that this copyright statement is not ---- ---- removed from the file and that any derivative work contains ---- ---- the original copyright notice and the associated disclaimer. ---- ---- ---- ---- This source file is free software; you can redistribute it ---- ---- and-or modify it under the terms of the GNU Lesser General ---- ---- Public License as published by the Free Software Foundation; ---- ---- either version 2.1 of the License, or (at your option) any ---- ---- later version. ---- ---- ---- ---- This source is distributed in the hope that it will be ---- ---- useful, but WITHOUT ANY WARRANTY; without even the implied ---- ---- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR ---- ---- PURPOSE. See the GNU Lesser General Public License for more ---- ---- details. ---- ---- ---- ---- You should have received a copy of the GNU Lesser General ---- ---- Public License along with this source; if not, download it ---- ---- from http://www.opencores.org/lgpl.shtml ---- ---- ---- ----------------------------------------------------------------------- LIBRARY ieee; USE ieee.std_logic_1164.ALL; USE ieee.std_logic_unsigned.all; USE ieee.numeric_std.ALL; ENTITY keyupd_invTB IS END keyupd_invTB; ARCHITECTURE behavior OF keyupd_invTB IS -- Component Declaration for the Unit Under Test (UUT) COMPONENT keyupd_inv PORT( key : IN std_logic_vector(79 downto 0); num : IN std_logic_vector(4 downto 0); keyout : OUT std_logic_vector(79 downto 0)--; --clk, reset : std_logic ); END COMPONENT; --Inputs signal key : std_logic_vector(79 downto 0) := (others => '0'); signal num : std_logic_vector(4 downto 0) := (others => '0'); signal clk : std_logic := '0'; signal reset : std_logic := '0'; --Outputs signal keyout : std_logic_vector(79 downto 0); constant clk_period : time := 1ns; BEGIN -- Instantiate the Unit Under Test (UUT) uut: keyupd_inv PORT MAP ( key => key, num => num, keyout => keyout--, --clk => clk, --reset => reset ); -- No clocks detected in port list. Replace clk below with -- appropriate port name clk_process :process begin clk <= '0'; wait for clk_period/2; clk <= '1'; wait for clk_period/2; end process; -- Stimulus process stim_proc: process begin -- hold reset state for 100ms. reset <= '1'; wait for 100ns; reset <='0'; wait for clk_period; ------------- Test case 1 ------------------------ -- key <= x"00000000000000000000"; -- expected_keyout <= x"c0000000000000008000"; -------------------------------------------------- key <= x"c0000000000000008000"; num <= "00001"; wait for clk_period; if keyout /= x"00000000000000000000" then report "RESULT MISMATCH! Test case 1 failed" severity ERROR; assert false severity failure; else report "Test case 1 successful" severity note; end if; ------------- Test case 2 ------------------------ -- key <= x"c0000000000000008000"; -- expected_keyout <= x"50001800000000010000"; -------------------------------------------------- key <= x"50001800000000010000"; num <= "00010"; wait for clk_period; if keyout /= x"c0000000000000008000" then report "RESULT MISMATCH! Test case 2 failed" severity ERROR; assert false severity failure; else report "Test case 2 successful" severity note; end if; ------------- Test case 3 ------------------------ -- key <= x"60000a00030000018000"; -- expected_keyout <= x"50001800000000010000"; -------------------------------------------------- key <= x"60000a00030000018000"; num <= "00011"; wait for clk_period; if keyout /= x"50001800000000010000" then report "RESULT MISMATCH! Test case 3 failed" severity ERROR; assert false severity failure; else report "Test case 3 successful" severity note; end if; ------------- Test case 4 ------------------------ -- key <= x"8ba27a0eb8783ac96d59"; -- expected_keyout <= x"8ba27a0eb8783ac96d59"; -------------------------------------------------- key <= x"6dab31744f41d7008759"; num <= "11111"; wait for clk_period; if keyout /= x"8ba27a0eb8783ac96d59" then report "RESULT MISMATCH! Test case 4 failed" severity ERROR; assert false severity failure; else report "Test case 4 successful" severity note; end if; assert false severity failure; end process; END;
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