testsuite/synth: add a test for previous commit.

1 files changed, 29 insertions, 0 deletions

diff --git a/testsuite/synth/forgen01/tb_forgen03.vhdl b/testsuite/synth/forgen01/tb_forgen03.vhdl
new file mode 100644
index 000000000..d03046781
--- /dev/null
+++ b/testsuite/synth/forgen01/tb_forgen03.vhdl
@@ -0,0 +1,29 @@
+entity tb_forgen03 is
+end tb_forgen03;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_forgen03 is
+  signal a : std_logic_vector (7 downto 0);
+  signal b : std_logic_vector (7 downto 0);
+  signal o : std_logic_vector (7 downto 0);
+begin
+  dut: entity work.forgen03
+    port map (a, b, o);
+
+  process
+  begin
+    a <= x"30";
+    b <= x"28";
+    wait for 1 ns;
+    assert o = x"58" severity failure;
+
+    a <= x"11";
+    b <= x"f7";
+    wait for 1 ns;
+    assert o = x"08" severity failure;
+
+    wait;
+  end process;
+end behav;