public void linkingRoomAndCorridor_case1()
{
CaveBoard board = new CaveBoard(40, 40);
IXShape room1 = new RectShape(new Cell(0, 0), new OIGrid(5, 5));
IXShape room2 = new RectShape(new Cell(0, 0), new OIGrid(5, 5));
IXShape corr12 = new FreeShape();
board.addRoom(room1);
board.addCorridor(corr12);
board.addRoom(room2);
Assert.IsNull(room1.getIncoming());
Assert.AreEqual(room1.getOutcoming(), corr12);
Assert.AreEqual(corr12.getIncoming(), room1);
Assert.AreEqual(corr12.getOutcoming(), room2);
Assert.AreEqual(room2.getIncoming(), corr12);
Assert.IsNull(room2.getOutcoming());
}