public void MergeTwoArrayOneEmptyArray()
        {
            MergeSortedArray testClass = new MergeSortedArray();

            int[] array1 = new int[] { 1, 2, 3 };
            int[] array2 = new int[] { };
            int[] array3 = testClass.MergeTwoSortedArray(array1, array2);
            Assert.AreEqual(3, array3.Length);
            Assert.AreEqual(1, array3[0]);
            Assert.AreEqual(3, array3[2]);
        }
        public void MergeTwoArrayOfDifferntSize()
        {
            MergeSortedArray testClass = new MergeSortedArray();

            int[] array1 = new int[] { 1, 3 };
            int[] array2 = new int[] { 2 };
            int[] array3 = testClass.MergeTwoSortedArray(array1, array2);
            Assert.AreEqual(3, array3.Length);
            Assert.AreEqual(1, array3[0]);
            Assert.AreEqual(3, array3[2]);
        }