internal void ValidatePropertyChange(TProperty newValue, NotifyDataErrorInfoBehavior behavior)
{
this.viewModel.ErrorsChanged += HandleViewModelErrorsChanged;
SetPropertyValueOnViewModel(newValue);
var messageError = string.Format("When setting value to {0} ", newValue);
Assert.AreEqual(IsSet(NotifyDataErrorInfoBehavior.FiresErrorsChanged, behavior), this.errorsChangedNotified, messageError + "fired ErrorsChanged event");
Assert.AreEqual(IsSet(NotifyDataErrorInfoBehavior.HasErrors, behavior), this.viewModel.HasErrors, messageError + "HasErrors");
Assert.AreEqual(
IsSet(NotifyDataErrorInfoBehavior.HasErrorsForProperty, behavior),
(this.viewModel.GetErrors(this.propertyName) ?? new object[0]).GetEnumerator().MoveNext(),
messageError + "HasErrorsForProperty");
this.viewModel.ErrorsChanged -= HandleViewModelErrorsChanged;
this.errorsChangedNotified = false;
}
private static bool IsSet(NotifyDataErrorInfoBehavior behavior, NotifyDataErrorInfoBehavior behaviors)
{
return((behaviors & behavior) == behavior);
}
