checkMaximumSize(2, 8, maxSize);
      checkMaximumSize(4, 8, maxSize);
      checkMaximumSize(8, 8, maxSize);
    }

    checkMaximumSize(1, 8, Long.MAX_VALUE);
    checkMaximumSize(2, 8, Long.MAX_VALUE);
    checkMaximumSize(4, 8, Long.MAX_VALUE);
    checkMaximumSize(8, 8, Long.MAX_VALUE);

    // vary initial capacity wrt maximumSize

    for (int capacity = 0; capacity < 8; capacity++) {