public void GetChars_GivenOrdinal_ReturnsCorrectly() { // arrange var sut = new CacheableDataReader(actualDataReader); var buffer = new char[2]; sut.Read(); // act sut.GetChars(sut.GetOrdinal("CharsColumn"), 0, buffer, 0, 2); // assert Assert.That(buffer, Is.EquivalentTo(new char[] { '!', '#' })); }