1 files changed, 47 insertions, 0 deletions
diff --git a/tests/sim/tb/tb_dff.v b/tests/sim/tb/tb_dff.v
new file mode 100755
index 000000000..aa41d1c6c
--- /dev/null
+++ b/tests/sim/tb/tb_dff.v
@@ -0,0 +1,47 @@
+`timescale 1ns/1ns 
+module tb_dff();
+	reg clk = 0;
+	reg d = 0;
+	wire q;
+
+	dff uut(.clk(clk),.d(d),.q(q));
+
+	always
+		#(5) clk <= !clk;
+
+	initial
+	begin
+		$dumpfile("tb_dff");
+		$dumpvars(0,tb_dff);
+		#10
+		d = 1;
+		#10
+		d = 0;
+		#10
+		d = 1;
+		#10
+		d = 0;
+		#10
+		d = 1;
+		#10
+		d = 0;
+		#10
+		d = 1;
+		#10
+		d = 0;
+		#10
+		d = 1;
+		#10
+		d = 0;
+		#10
+		d = 1;
+		#10
+		d = 0;
+		#10
+		d = 1;
+		#10
+		d = 0;
+		#10
+		$finish;
+	end
+endmodule