public PlayerTest() {
// create a player
p = new Player();
// create some rooms
r1 = new Room();
r2 = new Room();
r3 = new Room();
r4 = new Room();
// add descriptions for the rooms
r1.setEntryMessage("You are in r1.");
r2.setEntryMessage("You are in r2.");
r3.setEntryMessage("You are in r3.");
r4.setEntryMessage("You are in r4.");
// connect the rooms in a square shape
r1.setSide(1, r2);
r1.setSide(2, r4);
r2.setSide(2, r3);
r2.setSide(4, r1);
r3.setSide(3, r2);
r3.setSide(4, r4);
r4.setSide(1, r3);
r4.setSide(3, r1);
key = new Item();
goldbar = new Item();
}