public void Create_ItemBinding()
{
var backend = new ObservableCollection <string>();
var binding = new ReadOnlyObservableCollection <string>(backend).ToBinding().ItemAt(1);
using (var monitoredBinding = binding.Monitor <INotifyPropertyChanged>())
{
backend.Add("Test");
monitoredBinding.Should().NotRaise(nameof(INotifyPropertyChanged.PropertyChanged));
binding.Value.Should().BeNull();
}
using (var monitoredBinding = binding.Monitor <INotifyPropertyChanged>())
{
backend.Add("Test2");
monitoredBinding.Should().RaisePropertyChange(binding, nameof(IReadOnlyObservableValue.Value));
binding.Value.Should().Be("Test2");
}
using (var monitoredBinding = binding.Monitor <INotifyPropertyChanged>())
{
backend.Insert(0, "TestFirst");
monitoredBinding.Should().RaisePropertyChange(binding, nameof(IReadOnlyObservableValue.Value));
binding.Value.Should().Be("Test");
}
}
