}

    @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();
    }

        }

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

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

            assertSame(nextRequest, result);
        }

    @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);

        if (CompactHashing.getHashPrefix(entry, mask) == hashPrefix
            && Objects.equals(object, elements[entryIndex])) {
          return false;
        }
        next = CompactHashing.getNext(entry, mask);
        bucketLength++;
      } while (next != UNSET);

      if (bucketLength >= MAX_HASH_BUCKET_LENGTH) {
        return convertToHashFloodingResistantImplementation().add(object);
      }

      assertEquals(hashOne, entryOne.getHash());
      assertNull(entryOne.getNext());
      assertSame(valueOne, copyOne.getValue());

      InternalEntry<Object, Object, ?> copyTwo = segment.copyForTesting(entryTwo, copyOne);
      assertSame(keyTwo, copyTwo.getKey());
      assertEquals(hashTwo, copyTwo.getHash());
      assertSame(copyOne, copyTwo.getNext());
      assertSame(valueTwo, copyTwo.getValue());
    }
  }

      assertEquals(hashOne, entryOne.getHash());
      assertNull(entryOne.getNext());
      assertSame(valueOne, copyOne.getValue());

      InternalEntry<Object, Object, ?> copyTwo = segment.copyForTesting(entryTwo, copyOne);
      assertSame(keyTwo, copyTwo.getKey());
      assertEquals(hashTwo, copyTwo.getHash());
      assertSame(copyOne, copyTwo.getNext());
      assertSame(valueTwo, copyTwo.getValue());
    }
  }

            assertEquals(second, testMessage.getNext());
            assertEquals(third, second.getNext());
        }

        @Test
        @DisplayName("Should set next message")
        void testSetNext() {
            TestServerMessageBlock2 nextMessage = new TestServerMessageBlock2(mockConfig);
            testMessage.setNext(nextMessage);
            assertEquals(nextMessage, testMessage.getNext());

    }

    @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");

          V oldValue = (V) values[entryIndex];

          values[entryIndex] = value;
          accessEntry(entryIndex);
          return oldValue;
        }
        next = CompactHashing.getNext(entry, mask);
        bucketLength++;
      } while (next != UNSET);

      if (bucketLength >= MAX_HASH_BUCKET_LENGTH) {
        return convertToHashFloodingResistantImplementation().put(key, value);
      }

            Response curResp = response;
            Request curReq = request;
            while (curResp != null) {
                this.response_map.remove(curResp.getMid());
                final Request next = curReq.getNext();
                if (next == null) {
                    break;
                }
                curReq = next;
                curResp = next.getResponse();
            }
        }
    }