testsuite/synth: add a test for #1945

1 files changed, 26 insertions, 0 deletions

diff --git a/testsuite/synth/issue1945/tb_alias01.vhdl b/testsuite/synth/issue1945/tb_alias01.vhdl
new file mode 100644
index 000000000..905a67a48
--- /dev/null
+++ b/testsuite/synth/issue1945/tb_alias01.vhdl
@@ -0,0 +1,26 @@
+entity tb_alias01 is
+end tb_alias01;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_alias01 is
+  signal i : std_logic_vector(7 downto 0);
+  signal o : std_logic;
+begin
+  dut: entity work.alias01
+    port map (i, o);
+
+  process
+  begin
+    i <= "11000011";
+    wait for 1 ns;
+    assert o = '1' severity failure;
+
+    i <= "11100011";
+    wait for 1 ns;
+    assert o = '0' severity failure;
+
+    wait;
+  end process;
+end behav;