public void CloneTest()
{
char code = 'a';
string data = "Test Data";
Subfield target = new Subfield(code, data);
Subfield expected = target;
Subfield actual = target.Clone();
Assert.AreNotEqual(expected, actual);
target.Code = 'b';
string expectedString = "a";
string actualString = actual.Code.ToString();
Assert.AreEqual(expectedString, actualString);
target.Data = "New Test Data";
expectedString = data;
actualString = actual.Data;
Assert.AreEqual(expectedString, actualString);
}