testsuite/synth: add a test for #1896

1 files changed, 20 insertions, 0 deletions

diff --git a/testsuite/synth/oper02/tb_uns02.vhdl b/testsuite/synth/oper02/tb_uns02.vhdl
new file mode 100644
index 000000000..025d56e81
--- /dev/null
+++ b/testsuite/synth/oper02/tb_uns02.vhdl
@@ -0,0 +1,20 @@
+entity tb_uns02 is
+end tb_uns02;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_uns02 is
+  signal r : boolean;
+begin
+  cmp01_1: entity work.uns02
+    port map (r);
+
+  process
+  begin
+    wait for 1 ns;
+    assert r severity failure;
+
+    wait;
+  end process;
+end behav;