1 files changed, 34 insertions, 0 deletions
diff --git a/testsuite/synth/func01/tb_func08.vhdl b/testsuite/synth/func01/tb_func08.vhdl
new file mode 100644
index 000000000..792d91992
--- /dev/null
+++ b/testsuite/synth/func01/tb_func08.vhdl
@@ -0,0 +1,34 @@
+entity tb_func08 is
+end tb_func08;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_func08 is
+  signal v : std_ulogic_vector(31 downto 0);
+  signal r : integer;
+begin
+  dut: entity work.func08
+    port map (v, r);
+
+  process
+  begin
+    v <= x"00000000";
+    wait for 1 ns;
+    assert r = 32 severity failure;
+
+    v <= x"0000_0001";
+    wait for 1 ns;
+    assert r = 31 severity failure;
+
+    v <= x"8000_0000";
+    wait for 1 ns;
+    assert r = 0 severity failure;
+
+    v <= x"0001_00f0";
+    wait for 1 ns;
+    assert r = 15 severity failure;
+
+    wait;
+  end process;
+end behav;