public void ShouldIterateExactlyAsManyTimesAsKeysAdded()
{
//Arrange
var sut = new RowDictionary <int, string>();
sut.Add(01, "Value01");
sut.Add(02, "Value02");
sut.Add(03, "Value03");
sut.Add(04, "Value04");
sut.Add(05, "Value05");
sut.Add(06, "Value06");
//Act
var totalItems = sut.Cast <object>().Count();
//Assert
Assert.That(totalItems, Is.EqualTo(6));
}