public void RecordField_GetValueOrFirstSubField_1()
{
const string expected0 = "Value";
const string expected1 = "SubfieldA1";
const string expected2 = "SubfieldA2";
RecordField field = new RecordField(200, expected0)
.AddSubField('a', expected1)
.AddSubField('a', expected2);
Assert.AreEqual(expected0, field.GetValueOrFirstSubField());
field.Value = null;
Assert.AreEqual(expected1, field.GetValueOrFirstSubField());
field.SubFields.RemoveAt(0);
Assert.AreEqual(expected2, field.GetValueOrFirstSubField());
field.SubFields.Clear();
Assert.IsNull(field.GetValueOrFirstSubField());
}
