1 files changed, 34 insertions, 0 deletions
diff --git a/testsuite/synth/concat01/tb_concat01.vhdl b/testsuite/synth/concat01/tb_concat01.vhdl
new file mode 100644
index 000000000..2709328f0
--- /dev/null
+++ b/testsuite/synth/concat01/tb_concat01.vhdl
@@ -0,0 +1,34 @@
+entity tb_concat01 is
+end tb_concat01;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_concat01 is
+  signal a : std_logic;
+  signal b : std_logic;
+  signal z : std_logic_vector(1 downto 0);
+begin
+  dut: entity work.concat01
+    port map (a, b, z);
+
+  process
+  begin
+    a <= '0';
+    b <= '1';
+    wait for 1 ns;
+    assert z = "01" severity failure;
+
+    a <= '1';
+    b <= '1';
+    wait for 1 ns;
+    assert z = "11" severity failure;
+
+    a <= '1';
+    b <= '0';
+    wait for 1 ns;
+    assert z = "10" severity failure;
+
+    wait;
+  end process;
+end behav;