public void AbstractViewModel_as_INotifyDataErrorInfo_with_validation_service_invalid_property_not_validated_is_valid_even_if_called_multiple_times()
{
var sut = new SampleTestViewModel();
sut.ValidateUsing(
new DataAnnotationValidationService <SampleTestViewModel>(sut));
var errors = sut.GetErrors("NotNullNotEmpty").OfType <Object>();
errors = sut.GetErrors("NotNullNotEmpty").OfType <Object>();
errors = sut.GetErrors("NotNullNotEmpty").OfType <Object>();
Assert.AreEqual(0, errors.Count());
}
public void AbstractViewModel_PropertyChanged_is_raised_GetErrors_should_contain_expected_errors()
{
IEnumerable <Object> errors = null;
var sut = new SampleTestViewModel();
sut.PropertyChanged += (s, e) =>
{
errors = sut.GetErrors("NotNullNotEmpty").OfType <Object>();
};
sut.ValidateUsing(
new DataAnnotationValidationService <SampleTestViewModel>(sut));
sut.NotNullNotEmpty = "";
Assert.IsNotNull(errors);
Assert.AreEqual(0, errors.Count());
}