synth: add testcase for previous commit.

1 files changed, 26 insertions, 0 deletions

diff --git a/testsuite/synth/case01/tb_case02.vhdl b/testsuite/synth/case01/tb_case02.vhdl
new file mode 100644
index 000000000..06b4b0789
--- /dev/null
+++ b/testsuite/synth/case01/tb_case02.vhdl
@@ -0,0 +1,26 @@
+entity tb_case02 is
+end tb_case02;
+
+library ieee;
+use ieee.std_logic_1164.all;
+use ieee.numeric_std.all;
+
+architecture behav of tb_case02 is
+  signal s : std_logic_vector (4 downto 0);
+  signal o : std_logic;
+begin
+  dut: entity work.case02
+    port map (s, o);
+
+  process
+    constant ov : std_logic_vector (0 to 31) :=
+      b"00010011000010001100000000000000";
+  begin
+    for i in ov'range loop
+      s <= std_logic_vector(to_unsigned(i, 5));
+      wait for 1 ns;
+      assert o = ov(i) severity failure;
+    end loop;
+    wait;
+  end process;
+end behav;