public void ReadPaddedString_Should_Throw_When_Padding_Is_Non_Positive(int padding)
 {
     EmptyReader
     .Invoking(r => r.ReadPaddedString(padding))
     .ShouldThrow <ArgumentOutOfRangeException>();
 }
 public void Skip_Should_Throw_When_Count_Is_Negative()
 {
     EmptyReader
     .Invoking(r => r.Skip(-1))
     .ShouldThrow <ArgumentOutOfRangeException>();
 }