public void ContainsDuplicateTest3()
        {
            int[] arrays         = new int[] { 1, 1, 1, 3, 3, 4, 3, 2, 4, 2 };
            bool  expectedResult = true;
            bool  actualResult   = new DuplicatedElements().ContainsDuplicate(arrays);

            Assert.AreEqual(expectedResult, actualResult);
        }
        public void ContainsDuplicateTest2()
        {
            int[] arrays         = new int[] { 1, 2, 3, 4 };
            bool  expectedResult = false;
            bool  actualResult   = new DuplicatedElements().ContainsDuplicate(arrays);

            Assert.AreEqual(expectedResult, actualResult);
        }