Coverage Summary for Class: DFSHelper (it.polimi.ingsw.model)

 package it.polimi.ingsw.model;
 
 /**
  * helper class for the Depth First Search algorithm. Immutable
  * @author Ettori Faccincani
  *
  */
 public class DFSHelper {
     private static final int ROWS = 6;
     private static final int COLS = 5;
 
     /**
      * standard constructor, only for testing purpose
      * @author Ettori
      */
     public DFSHelper(){}
 
     /**
      * reset the matrix of the nodes visited in the DFS
      * @param mat the matrix
      * @author Ettori Giammusso
      */
     public static void resetVisitedMatrix(int[][] mat) {
         for (int i = 0; i < ROWS; i++) {
             for (int j = 0; j < COLS; j++) {
                 mat[i][j] = 0;
             }
         }
     }
 
     /**
      * check if the index is in the matrix
      * @param x    position x
      * @param y    position y
      * @return true if the index is in the matrix
      * @author Ettori Giammusso
      */
     public static boolean isIndexValid(int x, int y) {
         return x >= 0 && x < ROWS && y >= 0 && y < COLS;
     }
 
     /**
      * check if the node was already visited, otherwise visit the node
      * @param x   position x
      * @param y   position y
      * @param mat matrix of visited nodes
      * @return true if the node was visited
      * @author Ettori Giammusso
      */
     public static boolean isVisited(int x, int y, int[][] mat) {
         int temp = mat[x][y];
         mat[x][y] = 1;
         return temp == 1;
     }
 }