led_toggle_bouncy.tb.v


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`timescale 1us/1ns

module led_toggle_bouncy_tb (
);

reg clk_i;
reg key_i;
wire [5:0] led;
integer i = 0;

led_toggle_bouncy uut(
  .clk_i(clk_i),
  .key_i(key_i),
  .led(led)
);

initial begin
  clk_i <= 0;
  key_i <= 1'b1;

  $dumpfile("led_toggle_bouncy.lxt2"); $dumpvars();
end

always #10 clk_i = ~clk_i;


initial begin
  // initial key press
  #25
  key_i <= ~key_i;
  #40
  key_i <= ~key_i;

  // try bouncing

  #50

  for (i=0; i < 20; i = i + 1) begin
    #20
    key_i <= ~key_i;
  end

  #105
  $finish();
end

endmodule