1 files changed, 69 insertions, 0 deletions
diff --git a/tests/sim/tb/tb_dffsr.v b/tests/sim/tb/tb_dffsr.v
new file mode 100755
index 000000000..6ecb85d67
--- /dev/null
+++ b/tests/sim/tb/tb_dffsr.v
@@ -0,0 +1,69 @@
+`timescale 1ns/1ns 
+module tb_dffsr();
+	reg clk = 0;
+	reg d = 0;
+	reg set = 0;
+	reg clr = 0;
+	wire q;
+
+	dffsr uut(.d(d),.clk(clk),.set(set),.clr(clr),.q(q));
+
+	always
+		#(5) clk <= !clk;
+
+	initial
+	begin
+		$dumpfile("tb_dffsr");
+		$dumpvars(0,tb_dffsr);
+		#10
+		d = 1;
+		#10
+		d = 0;
+		#10
+		d = 1;
+		#10
+		d = 0;
+		#10
+		clr = 1;
+		#10
+		d = 1;
+		#10
+		d = 0;
+		#10
+		d = 1;
+		#10
+		d = 0;
+		#10
+		clr = 0;
+		#10
+		d = 1;
+		#10
+		d = 0;
+		#10
+		d = 1;
+		#10
+		d = 0;
+		#10
+		set = 1;
+		#10
+		d = 1;
+		#10
+		d = 0;
+		#10
+		d = 1;
+		#10
+		d = 0;
+		#10
+		set = 0;
+		#10
+		d = 1;
+		#10
+		d = 0;
+		#10
+		d = 1;
+		#10
+		d = 0;
+		#10
+		$finish;
+	end
+endmodule