// test bench for guessing_game module
module guessing_game_tb ();
  logic [9:0] LEDR;
  logic [3:0] KEY;
  logic [9:0] SW;

  guessing_game dut (
    .LEDR(LEDR),
    .KEY(KEY),
    .SW(SW)
  );

  initial begin
    KEY[0] = 1'b1; #10;                 // KEYs are active low
    for (int i = 0; i < 8; i++) begin
      SW[2:0] = i; KEY[0] = 1'b0; #10;  // LEDs should light up
                   KEY[0] = 1'b1; #10;  // LEDS should be disabled
    end
    $stop;
  end

endmodule  // guessing_game_tb