public void StringBuilder_IsSubsetOf_Method()
        {
            stringBuilderSet = new MultiSet <StringBuilder>();
            stringBuilderSet.Add(a);
            stringBuilderSet.Add(b);

            bool isSubset = stringBuilderSet.IsSubsetOf(stringBuilderCollection);

            Assert.IsTrue(isSubset);
        }
        public void IsNotSubsetMs()
        {
            char[] chars = new char[] { 'a', 'b', 'c', 'd', 'e' };
            var    ms    = new MultiSet <char>(chars);

            char[] chars2 = new char[] { 'a', 'b', 'x' };
            var    ms2    = new MultiSet <char>(chars2);

            Assert.AreEqual(false, ms2.IsSubsetOf(ms));
        }
        public void IsSubsetOf_Method()
        {
            multiSet = new MultiSet <char>();
            multiSet.Add('a');
            multiSet.Add('b');

            bool isSubset = multiSet.IsSubsetOf(collection);

            Assert.IsTrue(isSubset);
        }