public void BasicVarChar_Add()
{
const string s1 = "First test string that comes ";
const string s2 = "before the second test string";
var sObj1 = Field.VarChar(s1);
var sObj2 = Field.VarChar(s2);
Assert.IsNotNull(sObj1);
Assert.IsNotNull(sObj2);
Assert.IsTrue(sObj1.IsComparableTo(sObj2));
Field result = null;
Assert.DoesNotThrow(() => result = sObj1.Add(sObj2));
Assert.IsNotNull(result);
Assert.AreEqual("First test string that comes before the second test string", (string)result);
}