public void AddRange_should_ignore_empty_or_null()
        {
            var list = new DomStringTokenList();

            Assert.False(list.AddRange(string.Empty));
            Assert.False(list.AddRange(null, null));
        }
        public void AddRange_should_return_true_given_new_items()
        {
            var list = new DomStringTokenList();

            list.AddRange("a", "b", "c");
            Assert.True(list.AddRange("a", "b", "c", "d"));
            Assert.False(list.AddRange("c"));
        }
        public void AddRange_should_add_multiple_items_nominal()
        {
            var list = new DomStringTokenList();

            Assert.True(list.AddRange("d", "e"));
            Assert.Equal("d e", list.ToString());
        }