}

  private static final CharMatcher WHATEVER =
      new CharMatcher() {
        @Override
        public boolean matches(char c) {
          throw new AssertionFailedError("You weren't supposed to actually invoke me!");
        }
      };

  public void testAnyAndNone_logicalOps() throws Exception {
    // These are testing behavior that's never promised by the API, but since

    List<Integer> collection =
        new ArrayList<Integer>(nums) {
          @Override
          public Iterator<Integer> iterator() {
            throw new AssertionFailedError("Don't iterate me!");
          }
        };
    assertEquals(5, Iterables.size(collection));
  }

  private static <T extends @Nullable Object> Iterable<T> iterable(T... elements) {
    final List<T> list = asList(elements);

    List<Integer> collection =
        new ArrayList<Integer>(nums) {
          @Override
          public Iterator<Integer> iterator() {
            throw new AssertionFailedError("Don't iterate me!");
          }
        };
    assertEquals(5, Iterables.size(collection));
  }

  private static <T extends @Nullable Object> Iterable<T> iterable(T... elements) {
    final List<T> list = asList(elements);

    List<Integer> collection =
        new ArrayList<Integer>(nums) {
          @Override
          public Iterator<Integer> iterator() {
            throw new AssertionFailedError("Don't iterate me!");
          }
        };
    assertEquals(5, FluentIterable.from(collection).size());
  }

  public void testContains_nullSetYes() {
    Iterable<String> set = Sets.newHashSet("a", null, "b");