notifyInfo.decode(buffer, 0, buffer.length);
        }, "Non aligned nextEntryOffset");
    }

    @ParameterizedTest
    @DisplayName("Test decode with various action values")
    @ValueSource(ints = { FileNotifyInformation.FILE_ACTION_ADDED, FileNotifyInformation.FILE_ACTION_REMOVED,
            FileNotifyInformation.FILE_ACTION_MODIFIED, FileNotifyInformation.FILE_ACTION_RENAMED_OLD_NAME,

        assertTrue(DosError.DOS_ERROR_CODES.length > 0, "DOS_ERROR_CODES should contain at least one mapping");
    }

    @Test
    @DisplayName("Each error code mapping contains exactly two ints")
    void testEachPairLength() {
        for (int i = 0; i < DosError.DOS_ERROR_CODES.length; i++) {
            int[] pair = DosError.DOS_ERROR_CODES[i];

            when(mock.length()).thenReturn(-10L);
            assertEquals(-10L, mock.length());
        }
    }

    @ParameterizedTest(name = "getType returns {0}")
    @ValueSource(ints = { 0, 1, -5, Integer.MAX_VALUE })
    @DisplayName("Parameterized type values")
    void typeParameterized(int type) {
        FileEntry mock = mock(FileEntry.class);
        when(mock.getType()).thenReturn(type);

            assertDoesNotThrow(() -> request.setData(emptyData, 0, 0));
        }

        @ParameterizedTest
        @DisplayName("Should handle various data sizes")
        @ValueSource(ints = { 0, 1, 100, 1024, 4096, 65536, 1048576 })
        void testVariousDataSizes(int size) {
            byte[] data = new byte[size];
            assertDoesNotThrow(() -> request.setData(data, 0, size));
        }

        assertEquals(0x1F01FF, response.getMaximalAccess());
    }

    @DisplayName("Should throw exception for invalid structure size")
    @ParameterizedTest
    @ValueSource(ints = { 0, 1, 2, 4, 8, 15, 17, 32, 64, 65535 })
    void testReadBytesWireFormatInvalidStructureSize(int structureSize) {
        // Given
        byte[] buffer = new byte[256];
        int offset = 0;

    }

    @ParameterizedTest
    @DisplayName("getPipeType echoes constructor input (edge values)")
    @ValueSource(ints = { 0, SmbPipeResource.PIPE_TYPE_RDONLY, SmbPipeResource.PIPE_TYPE_WRONLY, SmbPipeResource.PIPE_TYPE_DCE_TRANSACT })
    void getPipeTypeEchoesInput(int pipeType) throws Exception {
        // Arrange & Act

        // Verify watchTree flag is set to 0x01
        assertEquals(0x01, dst[dstIndex + 6]);
    }

    @ParameterizedTest
    @DisplayName("Test writeSetupWireFormat with various FID values")
    @ValueSource(ints = { 0x0000, 0x0001, 0x7FFF, 0xFFFF, 0x1234, 0xABCD })
    void testWriteSetupWireFormatWithVariousFids(int fid) {
        notifyChange = new NtTransNotifyChange(mockConfig, fid, FILE_NOTIFY_CHANGE_FILE_NAME, false);

            assertEquals(4, context.size()); // Only header
        }

        @ParameterizedTest
        @DisplayName("Should encode with different hash algorithm counts")
        @ValueSource(ints = { 0, 1, 2, 5, 10 })
        void testEncodeWithDifferentHashAlgoCounts(int count) {
            int[] hashAlgos = new int[count];
            for (int i = 0; i < count; i++) {
                hashAlgos[i] = i + 1;

        assertTrue(s.contains("Trans2GetDfsReferral["));
        assertTrue(s.contains("filename=/bar"));
        assertTrue(s.contains("maxReferralLevel=0x3"));
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 5, -1, 65534 })
    @DisplayName("referral level variations")
    void testLevels(int level) throws Exception {
        Trans2GetDfsReferral cmd = new Trans2GetDfsReferral("foo");

        assertTrue(result.startsWith("00010203"));
        assertEquals(64, result.length()); // 32 bytes * 2 chars per byte
    }

    @ParameterizedTest
    @ValueSource(ints = { 1, 16, 32, 64, 128, 256 })
    @DisplayName("Should handle various data sizes")
    void testVariousDataSizes(int size) {
        // Given
        byte[] data = createTestData(size);

        // When