1 files changed, 27 insertions, 0 deletions
diff --git a/testsuite/synth/func01/tb_func04.vhdl b/testsuite/synth/func01/tb_func04.vhdl
new file mode 100644
index 000000000..026afcaa5
--- /dev/null
+++ b/testsuite/synth/func01/tb_func04.vhdl
@@ -0,0 +1,27 @@
+entity tb_func04 is
+end tb_func04;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_func04 is
+  signal a, b, r : std_logic_vector(7 downto 0);
+begin
+  dut: entity work.func04
+    port map (a, b, r);
+
+  process
+  begin
+    a <= x"5d";
+    b <= x"78";
+    wait for 1 ns;
+    assert r = x"79" severity failure;
+
+    a <= x"0f";
+    b <= x"f0";
+    wait for 1 ns;
+    assert r = x"f3" severity failure;
+
+    wait;
+  end process;
+end behav;