assertEquals(3, counter.getCount());
  }

  public void testSkip() throws IOException {
    assertEquals(10, counter.skip(10));
    assertEquals(10, counter.getCount());
  }

  public void testSkipEOF() throws IOException {
    assertEquals(20, counter.skip(30));
    assertEquals(20, counter.getCount());
    assertEquals(0, counter.skip(20));
    assertEquals(20, counter.getCount());