}

    @Test
    @DisplayName("Test getNext returns null when no chained message")
    void testGetNextWithNoChainedMessage() {
        // Given
        when(request.getNext()).thenReturn(null);

        // When
        CommonServerMessageBlockRequest result = request.getNext();

        // Then
        assertNull(result);
        verify(request, times(1)).getNext();
    }

          if (last == UNSET) {
            // we need to update the root link from table[]
            table[tableIndex] = getNext(entries[next]);
          } else {
            // we need to update the link from the chain
            entries[last] = swapNext(entries[last], getNext(entries[next]));
          }

          moveLastEntry(next);
          size--;
          modCount++;
          return oldValue;

    @DisplayName("Test Request methods inherited from CommonServerMessageBlockRequest")
    void testInheritedMethods() {
        // Given
        when(request.isResponseAsync()).thenReturn(true);
        when(request.getNext()).thenReturn(nextRequest);
        when(request.split()).thenReturn(nextRequest);
        when(request.allowChain(nextRequest)).thenReturn(true);
        when(request.createCancel()).thenReturn(nextRequest);

        }

        @Test
        @DisplayName("getNext should return next request")
        void testGetNext() {
            TestServerMessageBlock2Request nextRequest = new TestServerMessageBlock2Request(mockConfig);
            testRequest.setNext(nextRequest);

            ServerMessageBlock2Request<?> result = testRequest.getNext();

            assertSame(nextRequest, result);
        }

    public final ServerMessageBlock getAndx() {
        return this.andx;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.smb1.ServerMessageBlock#getNext()
     */
    @Override
    public ServerMessageBlock getNext() {
        return this.andx;
    }

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockResponse#getNextResponse()
     */

    }

    @Test
    @DisplayName("Test getNext returns null")
    void testGetNext() {
        // Given
        Smb2CancelRequest request = new Smb2CancelRequest(mockConfig, 1L, 0L);

        // When
        ServerMessageBlock2Request<?> next = request.getNext();

        // Then
        assertNull(next, "Cancel requests should not have next requests in chain");

            super(config, command);
        }

        @Override
        public ServerMessageBlock2 getNext() {
            return nextBlock;
        }

        @Override
        public void setNext(ServerMessageBlock2 next) {
            this.nextBlock = next;
        }

        // Helper methods to manipulate parent's private fields via reflection or protected methods

        public E getElement() {
            return element;
        }

        /**
         * Returns the next entry.
         *
         * @return the next entry
         */
        public Entry getNext() {
            if (next != SLinkedList.this.header) {
                return next;
            }
            return null;
        }

        /**
         * Returns the previous entry.
         *

        this.overrideTimeout = overrideTimeout;
    }

    /**
     *
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#getNext()
     */
    @Override
    public ServerMessageBlock getNext() {
        return null;
    }

    /**
     * {@inheritDoc}
     *

   */
  @GwtIncompatible // NavigableSet
  @Override
  public @Nullable E lower(E e) {
    return Iterators.<@Nullable E>getNext(headSet(e, false).descendingIterator(), null);
  }

  /**
   * @since 12.0
   */
  @Override
  public @Nullable E floor(E e) {
    return Iterators.<@Nullable E>getNext(headSet(e, true).descendingIterator(), null);
  }

  /**
   * @since 12.0
   */
  @Override