using Avalonia.UnitTests; namespace Avalonia.Markup.Xaml.UnitTests { public class TestViewModel : NotifyingBase { private string? _string; private int _integer; private TestViewModel? _child; private bool _boolean; public int Integer { get => _integer; set { _integer = value; RaisePropertyChanged(); } } public string? String { get => _string; set { _string = value; RaisePropertyChanged(); } } public TestViewModel? Child { get => _child; set { _child = value; RaisePropertyChanged(); } } public bool Boolean { get => _boolean; set { _boolean = value; RaisePropertyChanged(); } } } }