[Test]
public void PressGamePadButtonsToShowCircles()
{
    var circleA = new Ellipse(new Rectangle(0.1f, 0.1f, 0.1f, 0.1f), Color.Green);
    var circleB = new Ellipse(new Rectangle(0.1f, 0.1f, 0.1f, 0.1f), Color.Red);
    var circleX = new Ellipse(new Rectangle(0.1f, 0.1f, 0.1f, 0.1f), Color.Blue);
    var circleY = new Ellipse(new Rectangle(0.1f, 0.1f, 0.1f, 0.1f), Color.Yellow);
    new Command(() => circleA.Center = new Vector2D(0.5f, 0.75f)).Add(
        new GamePadButtonTrigger(GamePadButton.A, State.Pressed));
    new Command(() => circleA.Center = Vector2D.Zero).Add(new GamePadButtonTrigger(
        GamePadButton.A, State.Released));
    new Command(() => circleB.Center = new Vector2D(0.75f, 0.5f)).Add(
        new GamePadButtonTrigger(GamePadButton.B, State.Pressed));
    new Command(() => circleB.Center = Vector2D.Zero).Add(new GamePadButtonTrigger(
        GamePadButton.B, State.Released));
    new Command(() => circleX.Center = new Vector2D(0.25f, 0.5f)).Add(
        new GamePadButtonTrigger(GamePadButton.X, State.Pressed));
    new Command(() => circleX.Center = Vector2D.Zero).Add(new GamePadButtonTrigger(
        GamePadButton.X, State.Released));
    new Command(() => circleY.Center = new Vector2D(0.5f, 0.25f)).Add(
        new GamePadButtonTrigger(GamePadButton.Y, State.Pressed));
    new Command(() => circleY.Center = Vector2D.Zero).Add(new GamePadButtonTrigger(
        GamePadButton.Y, State.Released));
}

[Test]
public void PressGamePadButtonsToShowCircles()
{
    var circleA = new Ellipse(new Rectangle(0.1f, 0.1f, 0.1f, 0.1f), Color.Green);
    var circleB = new Ellipse(new Rectangle(0.1f, 0.1f, 0.1f, 0.1f), Color.Red);
    var circleX = new Ellipse(new Rectangle(0.1f, 0.1f, 0.1f, 0.1f), Color.Blue);
    var circleY = new Ellipse(new Rectangle(0.1f, 0.1f, 0.1f, 0.1f), Color.Yellow);
    new Command(() => circleA.Center = new Vector2D(0.5f, 0.75f)).Add(
        new GamePadButtonTrigger(GamePadButton.A, State.Pressed));
    new Command(() => circleA.Center = Vector2D.Zero).Add(new GamePadButtonTrigger(
        GamePadButton.A, State.Released));
    new Command(() => circleB.Center = new Vector2D(0.75f, 0.5f)).Add(
        new GamePadButtonTrigger(GamePadButton.B, State.Pressed));
    new Command(() => circleB.Center = Vector2D.Zero).Add(new GamePadButtonTrigger(
        GamePadButton.B, State.Released));
    new Command(() => circleX.Center = new Vector2D(0.25f, 0.5f)).Add(
        new GamePadButtonTrigger(GamePadButton.X, State.Pressed));
    new Command(() => circleX.Center = Vector2D.Zero).Add(new GamePadButtonTrigger(
        GamePadButton.X, State.Released));
    new Command(() => circleY.Center = new Vector2D(0.5f, 0.25f)).Add(
        new GamePadButtonTrigger(GamePadButton.Y, State.Pressed));
    new Command(() => circleY.Center = Vector2D.Zero).Add(new GamePadButtonTrigger(
        GamePadButton.Y, State.Released));
}