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-rw-r--r--testsuite/synth/dff01/tb_dff10.vhdl41
1 files changed, 41 insertions, 0 deletions
diff --git a/testsuite/synth/dff01/tb_dff10.vhdl b/testsuite/synth/dff01/tb_dff10.vhdl
new file mode 100644
index 000000000..57234dc10
--- /dev/null
+++ b/testsuite/synth/dff01/tb_dff10.vhdl
@@ -0,0 +1,41 @@
+entity tb_dff10 is
+end tb_dff10;
+
+library ieee;
+use ieee.std_logic_1164.all;
+
+architecture behav of tb_dff10 is
+ signal clk : std_logic;
+ signal rst : std_logic;
+ signal din : std_logic_vector (7 downto 0);
+ signal dout : std_logic_vector (7 downto 0);
+ signal en : std_logic;
+begin
+ dut: entity work.dff10
+ port map (
+ q => dout,
+ d => din,
+ clk => clk,
+ rst => rst,
+ en => en);
+
+ process
+ procedure pulse is
+ begin
+ clk <= '0';
+ wait for 1 ns;
+ clk <= '1';
+ wait for 1 ns;
+ end pulse;
+ begin
+ rst <= '1';
+ en <= '1';
+ wait for 1 ns;
+ assert dout = x"55" severity failure;
+ rst <= '0';
+ din <= x"7e";
+ pulse;
+ assert dout = x"7e" severity failure;
+ wait;
+ end process;
+end behav;