added deep-equality functions

src/model/Board.java

@@ -37,7 +37,7 @@ public boolean isValidSquare(int row, int col) {
 	 * Initialize the board putting checker pieces in their starting locations
 	 */
 	private void init() {
-		for(int row = 0; row < 3; row++){
+		for (int row = 0; row < 3; row++){
 			for (int col = 0; col < 4; col++) {
 				Piece red_piece = new Piece(Color.RED, 2*col + (row % 2), row);
 				Piece black_piece = new Piece(Color.BLACK, 2*col + (BOARD_SIZE - 1 - row) %2, BOARD_SIZE - 1 - row);
@@ -47,11 +47,26 @@ private void init() {
 		}
 	}
 
+	/**
+	 * Tests board equality.
+	 * @param other The other board.
+	 * @return true if the board's pieces are all equal to the other board's pieces.
+	 */
+	public boolean equals(Board other) {
+		for (int i = 0; i < BOARD_SIZE; ++i) {
+			for (int j = 0; j < BOARD_SIZE; ++j) {
+				if(!(this.representation[i][j]).equals(other.getRepresentation()[i][j])) 
+					return false;
+			}
+		}
+		return true;
+	}
+
 	/**
 	 * Print the current board representation
 	 */
 	public void print() {
-		for(int row = 0; row < BOARD_SIZE; row++) {
+		for (int row = 0; row < BOARD_SIZE; row++) {
 			for (int col = 0; col < BOARD_SIZE; col++) {
 				if (!isOccupied(row, col))
 					System.out.print("| ");
@@ -62,7 +77,7 @@ else if (representation[row][col].getColor() == Color.RED) {
 						System.out.print("|R");
 				}
 				else {
-					if(representation[row][col].getType() == Type.NORMAL)
+					if (representation[row][col].getType() == Type.NORMAL)
 						System.out.print("|b");
 					else
 						System.out.print("|B");
@@ -94,6 +109,10 @@ public ArrayList<Piece> getBlackPieces() {
 
 	public void setBlackPieces(ArrayList<Piece> black_pieces) {
 		this.black_pieces = black_pieces;
+	}
+
+	public Piece[][] getRepresentation() {
+		return this.representation;
 	}
 }
 

src/model/Location.java

@@ -13,4 +13,8 @@ public Location(int row, int column) {
 		this.row = row;
 		this.column = column;
 	}
+
+	public boolean equals(Location other) {
+		return this.row == other.row && this.column == other.column;
+	}
 }

src/model/Piece.java

@@ -36,4 +36,10 @@ public Type getType() {
 	public Color getColor() {
 		return this.color;
 	}
+
+	public boolean equals(Piece other) {
+		return this.color == other.color &&
+				this.location.equals(other.getLocation()) &&
+				this.type == other.getType();
+	}
 }