public void ValidateShouldRedirectCallToValidators()
{
const int count = 10;
ValidatableViewModel viewModel = GetValidatableViewModel();
ValidatorProvider.Register <SpyValidator>();
for (int i = 0; i < count; i++)
{
viewModel.AddInstance(new object());
}
viewModel.GetValidators().Count.ShouldEqual(count + 1);
viewModel.ValidateAsync(PropToValidate1);
viewModel.GetValidators().OfType <SpyValidator>()
.All(validator => validator.ValidateProperties.Contains(PropToValidate1))
.ShouldBeTrue();
viewModel.GetValidators().OfType <SpyValidator>().All(validator => validator.ValidateCount == 1).ShouldBeTrue();
}
