public void IndexEqual1()
        {
            NewFileDialog.Category category1 = new NewFileDialog.Category("aa", 0);
            NewFileDialog.Category category2 = new NewFileDialog.Category("bb", 0);

            Assert.AreEqual(-1, comparer.Compare(category1, category2));
        }
        public void OneIndexNotSet2()
        {
            NewFileDialog.Category category1 = new NewFileDialog.Category("aa");
            NewFileDialog.Category category2 = new NewFileDialog.Category("zz", 0);

            Assert.AreEqual(1, comparer.Compare(category1, category2));
        }
        public void NameNotEqual2()
        {
            NewFileDialog.Category category1 = new NewFileDialog.Category("bb");
            NewFileDialog.Category category2 = new NewFileDialog.Category("aa");

            Assert.AreEqual(1, comparer.Compare(category1, category2));
        }