@Test
public void testQuad() {
Quad<String, String, String, String> o1 = new Quad<String, String, String, String>();
o1.setEast("east");
o1.setSouth("south");
o1.setWest("west");
o1.setNorth("north");
Quad<String, String, String, String> o2 =
new Quad<String, String, String, String>("east", "south", "west", "north");
Assert.assertEquals(o1, o2);
Assert.assertEquals(o1.hashCode(), o2.hashCode());
Assert.assertEquals(o1.toString(), o2.toString());
}
