1 files changed, 36 insertions, 0 deletions
diff --git a/testsuite/synth/cnt01/tb_cnt04.vhdl b/testsuite/synth/cnt01/tb_cnt04.vhdl
new file mode 100644
index 000000000..184f941d1
--- /dev/null
+++ b/testsuite/synth/cnt01/tb_cnt04.vhdl
@@ -0,0 +1,36 @@
+entity tb_cnt04 is
+end tb_cnt04;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_cnt04 is
+  signal clk : std_logic;
+  signal rst : std_logic;
+  signal counter : std_logic_vector (7 downto 0);
+begin
+  dut: entity work.cnt04
+    port map (clk => clk, rst => rst, counter => counter);
+  process
+    procedure pulse is
+    begin
+      clk <= '0';
+      wait for 1 ns;
+      clk <= '1';
+      wait for 1 ns;
+    end pulse;
+  begin
+    rst <= '1';
+    pulse;
+    assert counter = x"01" severity failure;
+
+    rst <= '0';
+    pulse;
+    assert counter = x"02" severity failure;
+
+    pulse;
+    assert counter = x"03" severity failure;
+
+    wait;
+  end process;
+end behav;