@Test
public void shouldGive3PositionsForP15_15() {
center = new Position(15, 15);
iter = Utility.get8NeighborhoodIterator(center);
neighborhood = convertIteration2List(iter);
assertTrue("Must contain (14,15)", neighborhood.contains(new Position(14, 15)));
assertTrue("Must contain (14,14)", neighborhood.contains(new Position(14, 14)));
assertTrue("Must contain (15,14)", neighborhood.contains(new Position(15, 14)));
assertEquals("Should be 3 positions in the iterator", 3, neighborhood.size());
}
@Test
public void shouldGive8PositionsForP8_8() {
center = new Position(8, 8);
iter = Utility.get8NeighborhoodIterator(center);
neighborhood = convertIteration2List(iter);
assertTrue("Must contain (7,7)", neighborhood.contains(new Position(7, 7)));
assertTrue("Must contain (9,9)", neighborhood.contains(new Position(9, 9)));
assertTrue("Must contain (7,9)", neighborhood.contains(new Position(7, 9)));
assertTrue("Must contain (8,7)", neighborhood.contains(new Position(8, 7)));
assertFalse("Must not contain center position", neighborhood.contains(center));
assertFalse("Must not contain (5,5) position", neighborhood.contains(new Position(5, 5)));
assertEquals("Should be 8 positions in the iterator", 8, neighborhood.size());
}
/** helper method to insert elements in an iterator into a list. */
private ArrayList<Position> convertIteration2List(Iterator<Position> iter) {
neighborhood = new ArrayList<Position>();
while (iter.hasNext()) {
p = iter.next();
neighborhood.add(p);
}
return neighborhood;
}