testsuite/synth: add more tests in func01.

1 files changed, 27 insertions, 0 deletions

diff --git a/testsuite/synth/func01/tb_func01.vhdl b/testsuite/synth/func01/tb_func01.vhdl
new file mode 100644
index 000000000..ec556c6f0
--- /dev/null
+++ b/testsuite/synth/func01/tb_func01.vhdl
@@ -0,0 +1,27 @@
+entity tb_func01 is
+end tb_func01;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_func01 is
+  signal a, b : std_logic_vector(7 downto 0);
+  signal sel : std_logic;
+begin
+  dut: entity work.func01
+    port map (a, sel, b);
+
+  process
+  begin
+    a <= x"5d";
+    sel <= '1';
+    wait for 1 ns;
+    assert b = x"0d" severity failure;
+
+    sel <= '0';
+    wait for 1 ns;
+    assert b = x"5d" severity failure;
+
+    wait;
+  end process;
+end behav;