我对此测试代码有疑问，这是错误error 1 error 2
这是代码 头等舱
import java.util.LinkedList;
import java.util.List;
public class Position {
public char[] board;
public char turn;
public int dim =3;
private int l;
public Position() {
this.board = " ".toCharArray();
this.turn = 'x';
}
public Position(char[] board, char turn) {
this.board = board;
this.turn = turn;
}
public Position(String str) {
this.board = str.toCharArray();
this.turn = 'x';
}
public Position(String str, char turn) {
this.board = str.toCharArray();
this.turn = turn;
}
public String toString () {
return new String(board);
}
public Position move (int idx) {
char[] newBoard = board.clone();
newBoard[idx] = turn;
return new Position(newBoard, turn == 'x' ? 'o' :'x');
}
public Integer[] possibleMoves() {
List<Integer> list = new LinkedList<Integer>();
for (int i = 0; i < board.length; i++) {
if (board[i] == ' ') {
list.add(i);
}
}
Integer[] array = new Integer[list.size()];
list.toArray(array);
return array;
}
public boolean win_line(char turn, int start, int step) {
for (int i = 0; i < 3; i++) {
if (board[start + step*i] != turn) {
return false;
}
}
return true;
}
public boolean win(char turn) {
for (int i = 0; i < dim; i++) {
if (win_line(turn, i*dim, l) || win_line(turn, i,dim)) {
return true;
}
}
if (win_line(turn, dim-1, dim-1) || win_line(turn, 0, dim+1)) {
return true;
}
return false;
}
public int minimax() {
if (win('x')) { return 100; }
if (win('o')) { return -100; }
if (possibleMoves().length == 0) { return 0; }
Integer mm = null;
for (Integer idx : possibleMoves()) {
Integer value = move(idx).minimax();
if (mm == null || turn == 'x' && mm < value || turn == 'o' && value < mm) {
mm = value;
}
}
return mm + (turn == 'x' ? -1 : 1);
}
public int bestMove() {
Integer mm = null;
int best = -1;
for (Integer idx : possibleMoves()) {
Integer value = move(idx).minimax();
if (mm == null || turn == 'x' && mm < value || turn == 'o' && value < mm) {
mm = value;
best = idx;
}
}
return best;
}
public boolean gameEnd() {
return win('x') || win('o') || possibleMoves().length ==0;
}
}
第二课考试
import static org.junit.Assert.*;
import org.junit.Test;
public class PositionTest {
@Test
public void testNew() throws Exception {
Position position = new Position();
assertEquals(" ", position.toString());
assertEquals('x', position.turn);
}
@Test
public void testMove() throws Exception {
Position position = new Position().move(1);
assertEquals(" x ", position.toString());
assertEquals('o', position.turn);
}
@Test
public void testPossibleMoves() throws Exception {
Position position = new Position().move(1).move(3).move(4);
assertArrayEquals(new Integer[] {0,2,5,6,7,8}, position.possibleMoves());
}
@Test
public void testWin() throws Exception {
assertFalse(new Position().win('x'));
assertTrue(new Position("xxx ").win('x'));
assertTrue(new Position(" ooo ").win('o'));
assertTrue(new Position("x x x ").win('x'));
assertTrue(new Position(" x x x ").win('x'));
assertTrue(new Position("x x x").win('x'));
}
@Test
public void testMinimax() throws Exception {
assertEquals( 100, new Position("xxx ").minimax());
assertEquals(-100, new Position("ooo ").minimax());
assertEquals( 0, new Position("xoxoxooxo").minimax());
assertEquals( 99, new Position(" xx ").minimax());
assertEquals( -99, new Position(" oo ", 'o').minimax());
}
@Test
public void testBestMove() throws Exception {
assertEquals(0, new Position(" xx ").bestMove());
assertEquals(1, new Position("o o ", 'o').bestMove());
}
@Test
public void testGameEnd() throws Exception {
assertFalse(new Position().gameEnd());
assertTrue(new Position("xxx ").gameEnd());
}
}
第三课
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.SwingUtilities;
public class Game {
Position position;
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
JFrame frame = new JFrame("Java TTT");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLayout(new GridLayout(3, 3));
final Game game = new Game();
final JButton[] buttons = new JButton[9];
for (int i =0; i < 9; i++) {
final int idx = i;
final JButton button = new JButton();
buttons[i] = button;
button.setPreferredSize(new Dimension(100,100));
button.setBackground(Color.BLACK);
button.setOpaque(true);
button.setFont(new Font(null, Font.PLAIN, 100));
button.addMouseListener(new MouseListener() {
public void mouseReleased(MouseEvent e) {}
public void mousePressed(MouseEvent e) {}
public void mouseExited(MouseEvent e) {}
public void mouseEntered(MouseEvent e) {}
@Override
public void mouseClicked(MouseEvent e) {
button.setText("" + game.position.turn);
game.move(idx);
if (!game.position.gameEnd()){
int best = game.position.bestMove();
buttons[best].setText("" + game.position.turn);
game.move(best);
}
if (game.position.gameEnd()) {
String message = "";
if (game.position.win('x')) {
message = "You Won !!";
} else if (game.position.win('o')){
message = "Computer Won !!";
} else {
message = "Draw";
}
JOptionPane.showMessageDialog(null, message);
}
}});
frame.add(button);
}
frame.pack();
frame.setVisible(true);
}
});
}
protected void move(int idx) {
position = position.move(idx);
}
}
1- java.lang.AssertionError：数组长度不同，expected.length = 6 actual.length = 5
2-java.lang.AssertionError：expected：＆lt; 0＆gt;但是：＆lt; 100＆gt;
答案 0 :(得分：-1)
断言单元测试用例运行中的错误告诉您实际结果与预期结果不符。因此，您的代码无法正常工作，您必须解决此问题。
请发布出现这些错误的行。