// Arrange
        byte[] buffer = new byte[10];
        int bufferIndex = 0;
        int len = 6;

        // Set up buffer with test data
        // available = 0x1234 (4660 in decimal)
        SMBUtil.writeInt2(0x1234, buffer, bufferIndex);
        // next 2 bytes (ignored in implementation)
        SMBUtil.writeInt2(0xABCD, buffer, bufferIndex + 2);
        // status = STATUS_CONNECTION_OK (3)

    Set<Integer> keySet = cache.asMap().keySet();
    assertThat(keySet).isEmpty();

    // add 0, 1, 2, 3, 4
    getAll(cache, asList(0, 1, 2, 3, 4));
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).containsExactly(0, 1, 2, 3, 4);

    // invalidate all
    cache.invalidateAll();
    CacheTesting.drainRecencyQueues(cache);
    assertThat(keySet).isEmpty();

    }

    /**
     * Validates writeParametersWireFormat encodes values in the correct order and endianness.
     */
    @Test
    void testWriteParametersWireFormat() {
        // Given
        int sid = 0x1234;
        int resumeKey = 0x89ABCDEF; // LE expected: EF CD AB 89
        String name = "file.txt";
        Trans2FindNext2 next = new Trans2FindNext2(sid, resumeKey, name);

        assertEquals(minFlags, minAvFlags.getFlags(), "Flags should match Integer.MIN_VALUE");

        // Test with a negative integer
        int negativeFlags = -12345;
        AvFlags negAvFlags = new AvFlags(negativeFlags);
        assertNotNull(negAvFlags, "AvFlags object should not be null for negative flags");

    }

    @Test
    @DisplayName("Test createCancel method returns SmbComNtCancel")
    void testCreateCancel() {
        // Set a MID for the transaction
        transaction.setMid(12345);

        // Create cancel request
        CommonServerMessageBlockRequest cancelRequest = transaction.createCancel();

        // Verify it returns an SmbComNtCancel instance
        assertNotNull(cancelRequest);

        byte[] data = new byte[4];
        ByteBuffer buffer = ByteBuffer.wrap(data).order(ByteOrder.LITTLE_ENDIAN);

        // Test with a positive value
        buffer.putShort(0, (short) 0x1234);
        assertEquals(0x1234, NtlmMessage.readUShort(data, 0), "Should read positive UShort correctly.");

        // Test with zero
        buffer.putShort(0, (short) 0);

    }

    @Test
    void testConstructor() {
        assertNotNull(response);
        // Verify that the outputBuffer is stored properly
        byte[] testData = new byte[] { 1, 2, 3, 4, 5 };
        TransCallNamedPipeResponse testResponse = new TransCallNamedPipeResponse(mockConfig, testData);
        assertNotNull(testResponse);
    }

    @Test
    void testWriteSetupWireFormat() {

        assertArrayEquals(payload1, message.getRawPayload(), "getRawPayload should return the set payload");

        // Set another payload and verify
        byte[] payload2 = new byte[] { 1, 2, 3, 4, 5 };
        message.setRawPayload(payload2);
        assertArrayEquals(payload2, message.getRawPayload(), "getRawPayload should return the updated payload");

        // Set null payload and verify

            return opnumValue;
        }

        @Override
        public void encode_in(NdrBuffer buf) throws NdrException {
            // Simulate encoding some data
            buf.enc_ndr_long(12345);
        }

        @Override
        public void decode_out(NdrBuffer buf) throws NdrException {
            // Simulate decoding some data
            buf.dec_ndr_long();
        }
    }

    @BeforeEach

        @Test
        @DisplayName("Should handle response with retained payload")
        void testHaveResponseWithRetainedPayload() throws SMBProtocolDecodingException {
            byte[] buffer = { 1, 2, 3, 4, 5 };
            response.setRetainPayload(true);
            response.setDigest(null);

            response.haveResponse(buffer, 1, 3);

            byte[] payload = response.getRawPayload();