public void GetErrors_calls_child_validators_with_correct_field_name()
{
var value = new Tuple <int, int>(1, 2);
var validatorMock = new Mock <IValidator <int> >();
Expression <Func <IValidator <int>, ValidationError[]> > getErrorCall =
x => x.GetErrors(
It.Is <int>(v => v == value.Item1),
It.Is <string>(p => p == "Root.Item1")
);
validatorMock.Setup(getErrorCall).Returns(new ValidationError[0]);
var propValidator = new PropertyValidator <Tuple <int, int>, int>(
x => x.Item1, validatorMock.Object);
propValidator.GetErrors(value, "Root");
validatorMock.Verify(getErrorCall, Times.Once);
}
