diff options
Diffstat (limited to 'testsuite/synth/asgn01/tb_asgn01.vhdl')
-rw-r--r-- | testsuite/synth/asgn01/tb_asgn01.vhdl | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/testsuite/synth/asgn01/tb_asgn01.vhdl b/testsuite/synth/asgn01/tb_asgn01.vhdl new file mode 100644 index 000000000..3c2ec076c --- /dev/null +++ b/testsuite/synth/asgn01/tb_asgn01.vhdl @@ -0,0 +1,33 @@ +entity tb_asgn01 is +end tb_asgn01; + +library ieee; +use ieee.std_logic_1164.all; + +architecture behav of tb_asgn01 is + signal a : std_logic_vector (2 downto 0); + signal s0 : std_logic; + signal r : std_logic_vector (2 downto 0); +begin + dut: entity work.asgn01 + port map (a => a, s0 => s0, r => r); + + process + begin + s0 <= '1'; + wait for 1 ns; + assert r = "000" severity failure; + + a <= "101"; + s0 <= '0'; + wait for 1 ns; + assert r = "101" severity failure; + + a <= "110"; + s0 <= '0'; + wait for 1 ns; + assert r = "110" severity failure; + + wait; + end process; +end behav; |