@Test(expected = BufferOverflowException.class)
 public void testGetAndSetPutLongException() {
   DynamicByteBuffer buf = DynamicByteBuffer.allocate(0);
   buf.setAutoExpand(false);
   buf.putLong(121L);
 }
 @Test(expected = BufferOverflowException.class)
 public void testGetAndSetPutUnsignedIntException() throws Exception {
   DynamicByteBuffer buf = DynamicByteBuffer.allocate(0);
   buf.setAutoExpand(false);
   buf.putUnsignedInt(121);
 }