1 files changed, 34 insertions, 0 deletions
diff --git a/testsuite/synth/func01/tb_func06.vhdl b/testsuite/synth/func01/tb_func06.vhdl
new file mode 100644
index 000000000..17d09e55e
--- /dev/null
+++ b/testsuite/synth/func01/tb_func06.vhdl
@@ -0,0 +1,34 @@
+entity tb_func06 is
+end tb_func06;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_func06 is
+  signal r : std_logic_vector(15 downto 0);
+  signal s : natural;
+begin
+  dut: entity work.func06
+    port map (s, r);
+
+  process
+  begin
+    s <= 2;
+    wait for 1 ns;
+    assert r = x"1234" severity failure;
+
+    s <= 0;
+    wait for 1 ns;
+    assert r = x"0000" severity failure;
+
+    s <= 3;
+    wait for 1 ns;
+    assert r = x"5678" severity failure;
+
+    s <= 4;
+    wait for 1 ns;
+    assert r = x"0000" severity failure;
+
+    wait;
+  end process;
+end behav;