peet/oopuebung
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

commit files uebung02

Browse Source
This commit is contained in:
Johannes Schmelz
2025-04-14 22:50:10 +02:00
parent 1b7c9f339a
commit c6b1cde768
7 changed files with 335 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

162
uebung02/chess/ChessTest.java Normal file
View File

@@ -0,0 +1,162 @@
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
public class ChessTest {
// Das Zeilenende wird auf Windows-Systemen anders codiert als auf Nicht-Windows-Systemen.
// Die folgende Zeile ermittelt die aktuelle Codierung.
// EOL = "End of Line"
private static final String LS = System.lineSeparator();
private static final String HE = " 1 2 3 4 5 6 7 8" + LS;
private static final String LI = " +---+---+---+---+---+---+---+---+" + LS;
private static final String EMP = " | | | | | | | | |" + LS;
private static final String WK1 = " | n | | | | | | | |" + LS;
private static final String WQ3 = " | | | q | | | | | |" + LS;
private static final String CO1 = " | | | n | | N | Q | | |" + LS;
private static final String INIT_BOARD = board(EMP, EMP, EMP, EMP, EMP, EMP, EMP, EMP);
private static final String WK61_BOARD = board(EMP, EMP, EMP, EMP, EMP, WK1, EMP, EMP);
private static final String APP1_BOARD = board(EMP, EMP, EMP, EMP, WQ3, CO1, EMP, EMP);
private static final String CHECK_TEXT1 = "white queen at (4, 2)" + LS +
" cannot capture black queen at (8, 6)" + LS +
" cannot capture white knight at (6, 4)" + LS +
"black queen at (8, 6)" + LS +
" cannot capture white queen at (4, 2)" + LS +
" can capture white knight at (6, 4)" + LS +
"white knight at (6, 4)" + LS +
" cannot capture white queen at (4, 2)" + LS +
" cannot capture black queen at (8, 6)" + LS;
private static final String CHECK_TEXT2 = "white knight at (6, 3)" + LS +
" cannot capture black knight at (6, 5)" + LS +
" cannot capture black queen at (6, 6)" + LS +
" cannot capture white queen at (5, 3)" + LS +
"black knight at (6, 5)" + LS +
" cannot capture white knight at (6, 3)" + LS +
" cannot capture black queen at (6, 6)" + LS +
" can capture white queen at (5, 3)" + LS +
"black queen at (6, 6)" + LS +
" cannot capture white knight at (6, 3)" + LS +
" cannot capture black knight at (6, 5)" + LS +
" cannot capture white queen at (5, 3)" + LS +
"white queen at (5, 3)" + LS +
" cannot capture white knight at (6, 3)" + LS +
" cannot capture black knight at (6, 5)" + LS +
" cannot capture black queen at (6, 6)" + LS;
private static String board(String... s) {
if (s.length != 8)
throw new IllegalArgumentException("Expected 8, but got " + s.length + " arguments");
StringBuilder sb = new StringBuilder();
sb.append(HE).append(LI);
for (int i = 1; i <= 8; i++)
sb.append(i).append(s[i - 1]).append(LI);
return sb.toString();
}
private Board board;
private PrintStream printStream;
private ByteArrayOutputStream printed;
@Before
public void setup() {
board = new Board();
printed = new ByteArrayOutputStream();
printStream = new PrintStream(printed, true);
}
@After
public void tearDown() {
printStream.close();
}
@Test
public void testEmpty() {
board.printBoard(printStream);
assertEquals(INIT_BOARD, printed.toString());
}
@Test(expected = IllegalArgumentException.class)
public void testInvalidPos1() {
new Piece(Kind.KNIGHT, Color.WHITE, board, 0, 4);
}
@Test(expected = IllegalArgumentException.class)
public void testInvalidPos2() {
new Piece(Kind.QUEEN, Color.WHITE, board, 0, 4);
}
@Test
public void testWhiteknight() {
final Piece knight = new Piece(Kind.KNIGHT, Color.WHITE, board, 6, 1);
checkPieces(1);
assertEquals(knight, board.pieceAt(6, 1));
board.printBoard(printStream);
assertEquals(WK61_BOARD, printed.toString());
}
@Test
public void test3Pieces() {
final Piece queen1 = new Piece(Kind.QUEEN, Color.WHITE, board, 4, 2);
final Piece queen2 = new Piece(Kind.QUEEN, Color.BLACK, board, 8, 6);
final Piece knight = new Piece(Kind.KNIGHT, Color.WHITE, board, 6, 4);
assertFalse(queen1.canCapture(queen2));
assertFalse(queen1.canCapture(knight));
assertFalse(queen2.canCapture(queen1));
assertTrue(queen2.canCapture(knight));
assertFalse(knight.canCapture(queen1));
assertFalse(knight.canCapture(queen2));
checkPieces(3);
assertEquals(queen1, board.pieceAt(4, 2));
assertEquals(queen2, board.pieceAt(8, 6));
assertEquals(knight, board.pieceAt(6, 4));
printed.reset();
board.check(printStream);
assertEquals(CHECK_TEXT1, printed.toString());
}
@Test
public void test4Pieces() {
final Piece knight1 = new Piece(Kind.KNIGHT, Color.WHITE, board, 6, 3);
final Piece knight2 = new Piece(Kind.KNIGHT, Color.BLACK, board, 6, 5);
final Piece queen1 = new Piece(Kind.QUEEN, Color.BLACK, board, 6, 6);
final Piece queen2 = new Piece(Kind.QUEEN, Color.WHITE, board, 5, 3);
checkPieces(4);
assertEquals(knight1, board.pieceAt(6, 3));
assertEquals(knight2, board.pieceAt(6, 5));
assertEquals(queen1, board.pieceAt(6, 6));
assertEquals(queen2, board.pieceAt(5, 3));
printed.reset();
board.printBoard(printStream);
assertEquals(APP1_BOARD, printed.toString());
assertFalse(knight1.canCapture(knight2));
assertFalse(knight1.canCapture(queen1));
assertFalse(knight1.canCapture(queen2));
assertFalse(knight2.canCapture(knight1));
assertFalse(knight2.canCapture(queen1));
assertTrue(knight2.canCapture(queen2));
assertFalse(queen1.canCapture(knight1));
assertFalse(queen1.canCapture(knight2));
assertFalse(queen1.canCapture(queen2));
assertFalse(queen2.canCapture(knight1));
assertFalse(queen2.canCapture(knight2));
assertFalse(queen2.canCapture(queen1));
printed.reset();
board.check(printStream);
assertEquals(CHECK_TEXT2, printed.toString());
}
private void checkPieces(int expectedNumPieces) {
int numPieces = 0;
for (int row = 0; row < 9; row++)
for (int col = 0; col < 9; col++)
if (board.pieceAt(row, col) != null)
numPieces++;
assertEquals(expectedNumPieces, numPieces);
}
}