content: package hackerrank.arrays;
  
  import org.junit.Assert;
  import org.junit.Test;
  
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  
  public class TwoDArrayDSTest {
      @Test
      public void success_jumpingOnClouds_example() {
          List<List<Integer>> arr = new ArrayList<>();
          arr.add(Arrays.asList(-9,-9,-9,1,1,1));
          arr.add(Arrays.asList(0,-9,0,4,3,2));
          arr.add(Arrays.asList(-9,-9,-9,1,2,3));
          arr.add(Arrays.asList(0,0,8,6,6,0));
          arr.add(Arrays.asList(0,0,0,-2,0,0));
          arr.add(Arrays.asList(0,0,1,2,4,0));
          Assert.assertEquals(TwoDArrayDS.hourglassSum(arr), 28);
      }
  
      @Test
      public void success_jumpingOnClouds_test_0() {
          List<List<Integer>> arr = new ArrayList<>();
          arr.add(Arrays.asList(1,1,1,0,0,0));
          arr.add(Arrays.asList(0,1,0,0,0,0));
          arr.add(Arrays.asList(1,1,1,0,0,0));
          arr.add(Arrays.asList(0,0,2,4,4,0));
          arr.add(Arrays.asList(0,0,0,2,0,0));
          arr.add(Arrays.asList(0,0,1,2,4,0));
          Assert.assertEquals(TwoDArrayDS.hourglassSum(arr), 19);
      }
  
      @Test
      public void success_jumpingOnClouds_test_1() {
          Assert.assertEquals(1,1);
      }
  }
  