public void OJ066_PlusOneTest2()
 {
     int[] result = new OJ066_PlusOne().PlusOne(new int[] { 9, 9, 9 });
     ArrayAssert.AreEqual(new int[] { 1, 0, 0, 0 }, result);
 }
 public void OJ066_PlusOneTest1()
 {
     int[] result = new OJ066_PlusOne().PlusOne(new int[] { 3, 8, 2 });
     ArrayAssert.AreEqual(new int[] { 3, 8, 3 }, result);
 }