public void RecordFieldUtility_AllSubFields_1()
{
RecordField field1 = new RecordField()
.AddSubField('a', "SubA")
.AddSubField('b', "SubB")
.AddSubField('c', "SubC");
RecordField field2 = new RecordField()
.AddSubField('d', "SubD")
.AddSubField('e', "SubE")
.AddSubField('f', "SubF");
RecordField[] fields = { field1, field2 };
SubField[] subFields = RecordFieldUtility.AllSubFields(fields);
Assert.AreEqual(6, subFields.Length);
}