public void testNewListMultimap() {
    CountingSupplier<LinkedList<Integer>> factory = new ListSupplier();
    Map<Color, Collection<Integer>> map = Maps.newTreeMap();
    ListMultimap<Color, Integer> multimap = Multimaps.newListMultimap(map, factory);
    assertEquals(0, factory.count);
    multimap.putAll(Color.BLUE, asList(3, 1, 4, 1));
    assertEquals(1, factory.count);
    multimap.putAll(Color.RED, asList(2, 7, 1, 8));