public void SubFieldCollection_Clone1()
        {
            SubFieldCollection collection = new SubFieldCollection();
            SubField           subFieldA  = new SubField('a', "Title1");

            collection.Add(subFieldA);
            SubField subFieldE = new SubField('e', "Subtitle");

            collection.Add(subFieldE);

            SubFieldCollection clone = collection.Clone();

            Assert.AreEqual(collection.Count, clone.Count);
        }