JAVA - Can somebody help me write a following testcode private static void testT

Question

JAVA - Can somebody help me write a following testcode   

private static void testTakeShot() {
        //FIXME
    }

This is my codes..

    /**
     * Checks the state of a targeted cell on the game board. This method does not change the
     * contents of the game board.
     *
     * @return 3 if the cell was previously targeted. 2 if the shot would be a miss. 1 if the shot
     *         would be a hit. -1 if the shot is out-of-bounds.
     */
    public static int takeShot(char[][] board, int x, int y) {

        if (board[y][x] == Config.HIT_CHAR || board[y][x] == Config.MISS_CHAR) {
            return 3;
        }

        if (board[y][x] == Config.WATER_CHAR) {
            return 2;
        }

        if (board[y][x] != Config.WATER_CHAR && board[y][x] != Config.HIT_CHAR
            && board[y][x] != Config.MISS_CHAR) {
            return 1;
        }

        if (x < 0 || x > board[y].length || y < 0 || y > board.length) {
            return -1;
        }

        return 0;
    }

Explanation / Answer

public static int takeShot(char[][] board, int x, int y) {

if (x < 0 || x > board[y].length || y < 0 || y > board.length) {
            return -1;
        }

if (board[y][x] == Config.HIT_CHAR) {
            return 1;
        }

        if (board[y][x] == Config.WATER_CHAR) {
            return 3;
        }

        if (board[y][x] == Config.MISS_CHAR) {
            return 2;
        }   

        return 0;
    }

The above code is assuming that board[y][x] is the correct way of accessing the board contents and not board[x][y].

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