public void MergeArrayTest()
{
Sort target = new Sort();
int[] a = { 1, 2, 3, 4, 5, 7, 8 };
int[] b = new int[9];
b[0] = 6;
b[1] = 7;
target.MergeArray(a, 7, b, 2);
Assert.AreEqual(b[0], 1);
Assert.AreEqual(b[1], 2);
Assert.AreEqual(b[2], 3);
Assert.AreEqual(b[3], 4);
Assert.AreEqual(b[4], 5);
Assert.AreEqual(b[5], 6);
Assert.AreEqual(b[6], 7);
Assert.AreEqual(b[7], 7);
Assert.AreEqual(b[8], 8);
}