コード例 #1
0
 @Test
 public void singletonIteratorYieldOneElementInWindow() {
   final Iterator<O> iter = Iterations.iterator(O.ONE);
   final CenteredWindowIterator<List<Optional<O>>, O> win =
       new CenteredWindowIterator<List<Optional<O>>, O>(iter, 3, LIST_FACTORY);
   final List<List<Optional<O>>> got = Consumers.all(win);
   final List<List<Optional<O>>> expected = new ArrayList<List<Optional<O>>>();
   expected.add(Arrays.asList(Optional.<O>empty(), Optional.of(O.ONE), Optional.<O>empty()));
   Assert.assertEquals(expected, got);
 }
コード例 #2
0
 @Test
 public void windowsAreInOrder() {
   final Iterator<O> iter = Iterations.iterator(O.ONE, O.ANOTHER, O.YET_ANOTHER);
   final CenteredWindowIterator<List<Optional<O>>, O> win =
       new CenteredWindowIterator<List<Optional<O>>, O>(iter, 3, LIST_FACTORY);
   final List<List<Optional<O>>> got = Consumers.all(win);
   final List<List<Optional<O>>> expected = new ArrayList<List<Optional<O>>>();
   expected.add(Arrays.asList(Optional.<O>empty(), Optional.of(O.ONE), Optional.of(O.ANOTHER)));
   expected.add(
       Arrays.asList(Optional.of(O.ONE), Optional.of(O.ANOTHER), Optional.of(O.YET_ANOTHER)));
   expected.add(
       Arrays.asList(Optional.of(O.ANOTHER), Optional.of(O.YET_ANOTHER), Optional.<O>empty()));
   Assert.assertEquals(expected, got);
 }