protected TGestureRecognizer[] AssertHasGestureRecognizers <TGestureRecognizer>(IGestureRecognizers element, int count, params TGestureRecognizer[] gestureRecognizers)
where TGestureRecognizer : GestureRecognizer
{
if (gestureRecognizers.Length == 0)
{
gestureRecognizers = element?.GestureRecognizers?.Where(g => g is TGestureRecognizer).Cast <TGestureRecognizer>().ToArray();
}
Assert.That(gestureRecognizers.Length, Is.EqualTo(count));
foreach (var gestureRecognizer in gestureRecognizers)
{
Assert.That(element?.GestureRecognizers?.Count(g => Object.ReferenceEquals(g, gestureRecognizer)) ?? 0, Is.EqualTo(1));
}
return(gestureRecognizers);
}
protected TGestureRecognizer AssertHasGestureRecognizer <TGestureRecognizer>(IGestureRecognizers element, TGestureRecognizer gestureRecognizer)
where TGestureRecognizer : GestureRecognizer
=> AssertHasGestureRecognizers(element, 1, gestureRecognizer)[0];
protected TGestureRecognizer[] AssertHasGestureRecognizers <TGestureRecognizer>(IGestureRecognizers element, params TGestureRecognizer[] gestureRecognizers)
where TGestureRecognizer : GestureRecognizer
=> AssertHasGestureRecognizers(element, gestureRecognizers.Length, gestureRecognizers : gestureRecognizers);
protected TGestureRecognizer AssertHasGestureRecognizer <TGestureRecognizer>(IGestureRecognizers element)
where TGestureRecognizer : GestureRecognizer
=> AssertHasGestureRecognizers <TGestureRecognizer>(element, 1)[0];
