private void HandlePropertyErrorsChanged(object sender, PropertyErrorsChangedEventArgs e)
{
if (e.Type == PropertyErrorsChangeType.Add)
{
HookErrorsChanged(e.PropertyErrors);
}
else if (e.Type == PropertyErrorsChangeType.Remove)
{
UnHookErrorsChanged(e.PropertyErrors);
}
}
public void Task_02_Add_And_Remove_Validation()
{
var vm = CreateViewModel();
var container = CreateContainer(vm);
PropertyErrorsChangedEventArgs errorArgs = null;
container.PropertyErrorsChanged += (s, e) => errorArgs = e;
container.SetupValidation(v => v.Name, ValidateName);
Assert.That(errorArgs != null);
Assert.That(errorArgs.Type == PropertyErrorsChangeType.Add);
Assert.That(container.GetPropertyErrors("Name") == errorArgs.PropertyErrors);
errorArgs = null;
container.ClearValidations();
Assert.That(errorArgs != null);
Assert.That(errorArgs.Type == PropertyErrorsChangeType.Remove);
Assert.That(container.GetPropertyErrors("Name") == null);
}
