public void It_Dispose_PreviousChild_When_AttachOrReplaceChild_With_Same_Name_From_ViewModel()
{
var parentViewModel = new ViewModelBase();
var childViewModel1 = new ViewModelBase("Child1");
var childViewModel2 = new ViewModelBase("Child1");
parentViewModel.AttachOrReplaceChild(childViewModel1);
parentViewModel.AttachOrReplaceChild(childViewModel2);
Assert.Throws <ObjectDisposedException>(() => childViewModel1.SetErrors(string.Empty, Array.Empty <object>()));
}
public void It_Replaces_PreviousChild_And_Attaches_NewChild_When_AttachOrReplaceChild_With_Same_Name_From_ViewModel()
{
var parentViewModel = new ViewModelBase();
var childViewModel1 = new ViewModelBase("Child1");
var childViewModel2 = new ViewModelBase("Child1");
parentViewModel.AttachOrReplaceChild(childViewModel1);
parentViewModel.AttachOrReplaceChild(childViewModel2);
parentViewModel.GetChildren().Should().NotContain(childViewModel1);
parentViewModel.GetChildren().Should().Contain(childViewModel2);
}
public void It_Attaches_Child_When_AttachOrReplaceChild()
{
var parentViewModel = new ViewModelBase();
var childViewModel = new ViewModelBase();
parentViewModel.AttachOrReplaceChild(childViewModel);
parentViewModel.GetChildren().Should().Contain(childViewModel);
}