@Test
public void testWinner() {
Board b = new Board(true);
Piece water = new Piece(false, b, 2, 2, "bomb");
Piece fire = new Piece(true, b, 1, 1, "pawn");
Piece water2 = new Piece(false, b, 2, 2, "shield");
b.place(water, 2, 2);
b.place(fire, 1, 1);
assertEquals(null, b.winner());
water.move(0, 0);
assertEquals("No one", b.winner());
b.place(fire, 1, 1);
b.place(water2, 2, 2);
assertEquals(null, b.winner());
fire.move(3, 3);
assertEquals("fire", b.winner());
Piece water3 = new Piece(false, b, 4, 4, "pawn");
b.place(water3, 4, 4);
assertEquals(null, b.winner());
water3.move(2, 2);
assertEquals("water", b.winner());
}
