1 files changed, 34 insertions, 0 deletions
diff --git a/testsuite/synth/synth12/tb_lut.vhdl b/testsuite/synth/synth12/tb_lut.vhdl
new file mode 100644
index 000000000..f8f5cf3a6
--- /dev/null
+++ b/testsuite/synth/synth12/tb_lut.vhdl
@@ -0,0 +1,34 @@
+entity tb_lut is
+end tb_lut;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_lut is
+  signal c : std_logic;
+  signal s : std_logic_vector(1 downto 0);
+begin
+  dut: entity work.lut
+    port map (s, c);
+
+  process
+  begin
+    s <= "00";
+    wait for 1 ns;
+    assert c = '1' severity failure;
+
+    s <= "01";
+    wait for 1 ns;
+    assert c = '0' severity failure;
+
+    s <= "10";
+    wait for 1 ns;
+    assert c = '1' severity failure;
+
+    s <= "11";
+    wait for 1 ns;
+    assert c = '0' severity failure;
+
+    wait;
+  end process;
+end behav;