/** Non-NPE RuntimeException. */
  public static class FooException extends RuntimeException {
    private static final long serialVersionUID = 1L;
  }

  /**
   * Class for testing all permutations of static/non-static one-argument methods using
   * methodParameter().
   */
  @SuppressWarnings("unused") // used by reflection
  public static class OneArg {

    }
  }

  public void testRemoveAt_exhaustive() {
    int size = reduceExponentIfGwt(8);
    List<Integer> expected = createOrderedList(size);
    for (Collection<Integer> perm : Collections2.permutations(expected)) {
      for (int i = 0; i < perm.size(); i++) {
        MinMaxPriorityQueue<Integer> q = MinMaxPriorityQueue.create(perm);
        q.removeAt(i);
        assertIntactUsingStartedWith(perm, q);
      }