[Test]
public void ShowRedCircleOnFlick()
{
    new FontText(Font.Default, "Flick screen to show red circle", Rectangle.One);
    var ellipse = new Ellipse(new Rectangle(0.1f, 0.1f, 0.1f, 0.1f), Color.Red);
    new Command(() => ellipse.Center = Vector2D.Half).Add(new TouchFlickTrigger());
    new Command(() => ellipse.Center = Vector2D.Zero).Add(new TouchPressTrigger(State.Released));
}

[Test]
public void ShowRedCircleOnFlick()
{
    new FontText(Font.Default, "Flick screen to show red circle", Rectangle.One);
    var ellipse = new Ellipse(new Rectangle(0.1f, 0.1f, 0.1f, 0.1f), Color.Red);
    new Command(() => ellipse.Center = Vector2D.Half).Add(new TouchFlickTrigger());
    new Command(() => ellipse.Center = Vector2D.Zero).Add(new TouchPressTrigger(State.Released));
}

[Test, CloseAfterFirstFrame]
public void FlickDetection()
{
    var trigger = new TouchFlickTrigger();
    var touch = Resolve<Touch>() as MockTouch;
    if (touch == null)
        return; //ncrunch: no coverage 
    bool flickHappened = false;
    trigger.Invoked += () => flickHappened = true;
    AdvanceTouchTick(touch, State.Pressing, new Vector2D(0.5f, 0.5f), trigger);
    Assert.IsFalse(flickHappened);
    Assert.AreEqual(0, trigger.PressTime);
    AdvanceTouchTick(touch, State.Pressed, new Vector2D(0.52f, 0.5f), trigger);
    Assert.IsFalse(flickHappened);
    AdvanceTouchTick(touch, State.Releasing, new Vector2D(0.6f, 0.5f), trigger);
    Assert.IsTrue(flickHappened);
    Assert.AreEqual(new Vector2D(0.5f, 0.5f), trigger.StartPosition);
}

[Test, CloseAfterFirstFrame]
public void FlickDetection()
{
    var trigger = new TouchFlickTrigger();
    var touch = Resolve<Touch>() as MockTouch;
    if (touch == null)
        return; //ncrunch: no coverage 
    bool flickHappened = false;
    trigger.Invoked += () => flickHappened = true;
    AdvanceTouchTick(touch, State.Pressing, new Vector2D(0.5f, 0.5f), trigger);
    Assert.IsFalse(flickHappened);
    Assert.AreEqual(0, trigger.PressTime);
    AdvanceTouchTick(touch, State.Pressed, new Vector2D(0.52f, 0.5f), trigger);
    Assert.IsFalse(flickHappened);
    AdvanceTouchTick(touch, State.Releasing, new Vector2D(0.6f, 0.5f), trigger);
    Assert.IsTrue(flickHappened);
    Assert.AreEqual(new Vector2D(0.5f, 0.5f), trigger.StartPosition);
}

[Test, CloseAfterFirstFrame]
public void Creation()
{
    Assert.DoesNotThrow(() => new TouchFlickTrigger());
    Assert.Throws<TouchFlickTrigger.TouchFlickTriggerHasNoParameters>(
        () => new TouchFlickTrigger(new Dictionary<string, string> { { "Button", "Left" } }));
}

[Test, CloseAfterFirstFrame]
public void Creation()
{
    Assert.DoesNotThrow(() => new TouchFlickTrigger());
    Assert.Throws<TouchFlickTrigger.TouchFlickTriggerHasNoParameters>(
        () => new TouchFlickTrigger(new Dictionary<string, string> { { "Button", "Left" } }));
}