// Then
        assertFalse(allowChain, "Cancel requests should not allow chaining");
    }

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

        // When
        CommonServerMessageBlockRequest splitRequest = request.split();

        // Then

            assertSame(nextRequest, result);
        }

        @Test
        @DisplayName("split should remove next and clear related operations flag")
        void testSplit() {
            TestServerMessageBlock2Request nextRequest = new TestServerMessageBlock2Request(mockConfig);
            nextRequest.addFlags(SMB2_FLAGS_RELATED_OPERATIONS);
            testRequest.setNext(nextRequest);

        assertEquals("6", "a\\nb", StringUtil.replace("a\nb", "\n", "\\n"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testSplit() throws Exception {
        final String[] array = StringUtil.split("aaa\nbbb", "\n");
        assertEquals("1", 2, array.length);
        assertEquals("2", "aaa", array[0]);
        assertEquals("3", "bbb", array[1]);