@Override
  public String toString() {
    return toString(false);
  }
@Test
  public void testToStringHumanWithQuota() {
    long fileAndDirCount = 222255555;
    long quota = 222256578;
    long spaceConsumed = 1073741825;
    long spaceQuota = 1;

    QuotaUsage quotaUsage = new QuotaUsage.Builder().
        fileAndDirectoryCount(fileAndDirCount).quota(quota).
        spaceConsumed(spaceConsumed).spaceQuota(spaceQuota).build();
    String expected = "     212.0 M            1023               1 "
        + "           -1 G ";
    assertEquals(expected, quotaUsage.toString(true));
  }