MinMaxPriorityQueue<Integer> mmHeap = MinMaxPriorityQueue.create();
    mmHeap.addAll(Lists.newArrayList(1, 2));
    Iterator<Integer> it = mmHeap.iterator();
    assertTrue("Iterator has reached end prematurely", it.hasNext());
    it.next();
    it.next();
    assertThrows(NoSuchElementException.class, () -> it.next());
  }

  public void testIteratorConcurrentModification() {

        doReturn(-1).when(raf).read(any(byte[].class), anyInt(), eq(1));
        assertEquals(-1, raf.read());
    }

    @Test
    @DisplayName("readFully(): throws SmbEndOfFileException on premature EOF")
    void readFully_throws_onEOF() throws Exception {
        SmbRandomAccessFile raf = spy(newInstance("r", false, false, false));
        doReturn(-1).when(raf).read(any(byte[].class), anyInt(), anyInt());

  }

  @Test
  fun serverDisconnectsPrematurelyWithNoLengthHeaders() {
    // Intentionally empty. This case doesn't make sense because there's no
    // such thing as a premature disconnect when the disconnect itself
    // indicates the end of the data stream.
  }

  private fun testServerPrematureDisconnect(transferKind: TransferKind) {
    val mockResponse = MockResponse.Builder()