.add(Striped.lazyWeakCustom(64, FAIR_LOCK_SUPPLER))
        .build();
  }

  private static Iterable<Striped<?>> allImplementations() {
    return concat(strongImplementations(), weakImplementations());
  }

  public void testNull() throws Exception {
    for (Striped<?> striped : allImplementations()) {
      new NullPointerTester().testAllPublicInstanceMethods(striped);
    }
  }

  public void testSizes() {

        .add(Striped.lazyWeakCustom(64, FAIR_LOCK_SUPPLER))
        .build();
  }

  private static Iterable<Striped<?>> allImplementations() {
    return concat(strongImplementations(), weakImplementations());
  }

  public void testNull() throws Exception {
    for (Striped<?> striped : allImplementations()) {
      new NullPointerTester().testAllPublicInstanceMethods(striped);
    }
  }

  public void testSizes() {