// did we recognize the right sprites?
assertEquals(SpriteType.EMPTY, b.spriteTypeAt(1, 3));
assertEquals(SpriteType.PLAYER, b.spriteTypeAt(2, 2));
assertEquals(SpriteType.GHOST, b.spriteTypeAt(1, 2));
assertEquals(SpriteType.WALL, b.spriteTypeAt(0, 0));
assertEquals(SpriteType.FOOD, b.spriteTypeAt(1, 1));
// did we properly set the player?
assertEquals(g.getPlayer(), b.spriteAt(2, 2));
// were all ghosts added?