testsuite/synth: add case tests for corner case.

1 files changed, 19 insertions, 0 deletions

diff --git a/testsuite/synth/case01/case04.vhdl b/testsuite/synth/case01/case04.vhdl
new file mode 100644
index 000000000..cf90e85ed
--- /dev/null
+++ b/testsuite/synth/case01/case04.vhdl
@@ -0,0 +1,19 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+entity case04 is
+  port (a : std_logic_vector (4 downto 0);
+        o : out std_logic);
+end case04;
+
+architecture behav of case04 is
+begin
+  process (a)
+  begin
+    o <= '0';
+    case a is
+      when others =>
+        o <= '1';
+    end case;
+  end process;
+end behav;