public void IsEmptyTest()
{
char code = 'a';
string data = "Test Data";
Subfield target = new Subfield(code, data);
bool expected = false;
bool actual = target.IsEmpty();
Assert.AreEqual(expected, actual);
target.Data = null;
expected = true;
actual = target.IsEmpty();
Assert.AreEqual(expected, actual);
target.Data = string.Empty;
actual = target.IsEmpty();
Assert.AreEqual(expected, actual);
}
