testsuite/synth: add testcase for previous commit.

1 files changed, 32 insertions, 0 deletions

diff --git a/testsuite/synth/case02/tb_case01.vhdl b/testsuite/synth/case02/tb_case01.vhdl
new file mode 100644
index 000000000..95b8561d8
--- /dev/null
+++ b/testsuite/synth/case02/tb_case01.vhdl
@@ -0,0 +1,32 @@
+entity tb_case01 is
+end tb_case01;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_case01 is
+  signal a : std_logic_vector (1 downto 0);
+  signal o : std_logic_vector (1 downto 0);
+  signal clk : std_logic;
+begin
+  dut: entity work.case01
+    port map (a, clk, o);
+
+  process
+    procedure pulse is
+    begin
+      clk <= '0';
+      wait for 1 ns;
+      clk <= '1';
+      wait for 1 ns;
+    end pulse;
+  begin
+    a <= "00";
+    pulse;
+    a <= "10";
+    pulse;
+    assert o = "00" severity failure;
+
+    wait;
+  end process;
+end behav;