assertFalse(iterator3.hasNext(), "Third instance should have no elements");

                assertNull(iterator1.next(), "First instance next() should return null");
                assertNull(iterator2.next(), "Second instance next() should return null");
                assertNull(iterator3.next(), "Third instance next() should return null");
            } catch (CIFSException e) {
                throw new RuntimeException(e);
            }

     */
    @Override
    public boolean hasNext() {
        return this.next != null;
    }

    /**
     * {@inheritDoc}
     *
     * @see java.util.Iterator#next()
     */
    @Override
    public SmbResource next() {
        final SmbResource n = this.next;
        this.next = advance();
        return n;
    }

    /**
     * {@inheritDoc}
     *

        // Given
        Trans2FindNext2 next = new Trans2FindNext2(0x0101, 0, "name");
        byte[] buf = new byte[16];

        // When/Then
        assertEquals(0, next.readSetupWireFormat(buf, 0, buf.length));
        assertEquals(0, next.readParametersWireFormat(buf, 0, buf.length));
        assertEquals(0, next.readDataWireFormat(buf, 0, buf.length));
        assertEquals(0, next.writeDataWireFormat(buf, 0));
    }

        SmbResource result = iterator.next();
        assertNotNull(result, "Should still be able to get element");
        assertEquals("file1.txt", result.getName());

        assertFalse(iterator.hasNext(), "Should not have more elements");

        // Verify delegate.next() was only called once
        verify(mockDelegate, times(1)).next();
    }

    /**

     */
    @Override
    public boolean hasNext() {
        return this.next != null;
    }

    /**
     * {@inheritDoc}
     *
     * @see java.util.Iterator#next()
     */
    @Override
    public SmbResource next() {
        final SmbResource n = this.next;
        this.next = advance();
        return n;
    }

    /**
     * {@inheritDoc}
     *

    assertTrue(cycle.hasNext());
    assertEquals("a", cycle.next());
    cycle.remove();
    assertEquals(singletonList("b"), iterable);
    assertTrue(cycle.hasNext());
    assertEquals("b", cycle.next());
    assertTrue(cycle.hasNext());
    assertEquals("b", cycle.next());
    cycle.remove();
    assertEquals(emptyList(), iterable);
    assertFalse(cycle.hasNext());
  }

     */
    @Override
    public boolean hasNext() {
        return this.next != null;
    }

    /**
     * {@inheritDoc}
     *
     * @see java.util.Iterator#next()
     */
    @Override
    public FileEntry next() {
        final FileEntry n = this.next;
        try {
            final FileEntry ne = advance(false);
            if (ne == null) {

      @Override
      @ParametricNullness
      public T next() {
        T next = iterator.next();
        iterator.remove();
        return next;
      }

      @Override
      public String toString() {
        return "Iterators.consumingIterator(...)";
      }
    };
  }

  /**
   * Deletes and returns the next value from the iterator, or returns {@code null} if there is no

     */
    @Override
    public boolean hasNext() {
        return this.next != null;
    }

    /**
     * {@inheritDoc}
     *
     * @see java.util.Iterator#next()
     */
    @Override
    public FileEntry next() {
        final FileEntry n = this.next;
        try {
            final FileEntry ne = advance();
            if (ne == null) {

        FileEntry entry3 = mock(FileEntry.class);

        // Constructor gets entry1, first next() returns it and gets entry2,
        // second next() returns entry2 and gets entry3,
        // third next() returns entry3 and exhausts
        when(delegate.hasNext()).thenReturn(true, true, true, false);
        when(delegate.next()).thenReturn(entry1, entry2, entry3);

        TestIterator iterator = new TestIterator(null);