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author | Tristan Gingold <tgingold@free.fr> | 2021-11-12 18:52:18 +0100 |
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committer | Tristan Gingold <tgingold@free.fr> | 2021-11-12 18:52:58 +0100 |
commit | 56735b0d1e92b4246ef53442236e89afe07aacdc (patch) | |
tree | 7b0c825edbc6021b269e89d187bc06fb93e997ad /testsuite/synth/blackbox01/tb_blackbox1.vhdl | |
parent | c2b6b4fe03c879753c76f5bee9f0ffe3b0e73f52 (diff) | |
download | ghdl-56735b0d1e92b4246ef53442236e89afe07aacdc.tar.gz ghdl-56735b0d1e92b4246ef53442236e89afe07aacdc.tar.bz2 ghdl-56735b0d1e92b4246ef53442236e89afe07aacdc.zip |
testsuite/synth: add a test for black boxes
Diffstat (limited to 'testsuite/synth/blackbox01/tb_blackbox1.vhdl')
-rw-r--r-- | testsuite/synth/blackbox01/tb_blackbox1.vhdl | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/testsuite/synth/blackbox01/tb_blackbox1.vhdl b/testsuite/synth/blackbox01/tb_blackbox1.vhdl new file mode 100644 index 000000000..695be78d5 --- /dev/null +++ b/testsuite/synth/blackbox01/tb_blackbox1.vhdl @@ -0,0 +1,33 @@ +entity tb_blackbox1 is +end tb_blackbox1; + +library ieee; +use ieee.std_logic_1164.all; + +architecture behav of tb_blackbox1 is + signal a, b : std_logic_vector(7 downto 0); + signal r :std_logic_vector(7 downto 0); +begin + dut: entity work.blackbox1 + port map (a, b, r); + + process + begin + a <= x"40"; + b <= x"04"; + wait for 1 ns; + assert r = x"44" severity failure; + + a <= x"b5"; + b <= x"11"; + wait for 1 ns; + assert r = x"c6" severity failure; + + a <= x"b5"; + b <= x"23"; + wait for 1 ns; + assert r = x"c8" severity failure; + + wait; + end process; +end behav; |