}

    @Test
    public void testCaseInsensitivity() throws Exception {
        // Windows reserved names should be caught regardless of case
        try {
            validator.validatePath("\\share\\con");
            fail("Should block lowercase reserved name");
        } catch (SmbException e) {
            // Expected
        }

        try {

            _dst.enc_ndr_short(this.length);
            _dst.enc_ndr_short(this.maximum_length);
            _dst.enc_ndr_referent(this.buffer, 1);

            if (this.buffer != null) {
                _dst = _dst.deferred;
                final int _bufferl = this.length / 2;
                final int _buffers = this.maximum_length / 2;
                _dst.enc_ndr_long(_buffers);
                _dst.enc_ndr_long(0);

        }
    }

    @Nested
    @DisplayName("Combine Tests")
    class CombineTests {

        @Test
        @DisplayName("Should combine two referral data objects")
        void testCombine() {
            // Setup first referral
            DfsReferralDataImpl first = new DfsReferralDataImpl();
            when(mockReferral.getTtl()).thenReturn(300);
            when(mockReferral.getRFlags()).thenReturn(0);

        // Then
        assertEquals(4, bytesWritten);

        // Verify structure size (4) is written at offset
        assertEquals(4, SMBUtil.readInt2(buffer, offset));

        // Verify reserved field (0) is written at offset + 2
        assertEquals(0, SMBUtil.readInt2(buffer, offset + 2));
    }

    @Test
    @DisplayName("Should write exact wire format structure")

        dstIndex += 2;

        SMBUtil.writeInt2(4, dst, dstIndex); // NameLength
        dstIndex += 2;

        SMBUtil.writeInt2(0, dst, dstIndex); // Reserved
        dstIndex += 2;

        SMBUtil.writeInt2(24, dst, dstIndex); // DataOffset (from start of context)
        dstIndex += 2;

        SMBUtil.writeInt4(32, dst, dstIndex); // DataLength

        // Then
        assertEquals(expiration, result);
        verify(mockReferralData).getExpiration();
    }

    @Test
    @DisplayName("Should get next referral")
    void testNext() {
        // Given
        DfsReferralData nextReferral = mock(DfsReferralData.class);
        when(mockReferralData.next()).thenReturn(nextReferral);

        // When

        buf.enc_ndr_long(0); /* assoc. group */
        buf.enc_ndr_small(1); /* num context items */
        buf.enc_ndr_small(0); /* reserved */
        buf.enc_ndr_short(0); /* reserved2 */
        buf.enc_ndr_short(0); /* context id */
        buf.enc_ndr_small(1); /* number of items */
        buf.enc_ndr_small(0); /* reserved */
        this.binding.getUuid().encode(buf);
        buf.enc_ndr_short(this.binding.getMajor());

        buf.enc_ndr_long(0); /* assoc. group */
        buf.enc_ndr_small(1); /* num context items */
        buf.enc_ndr_small(0); /* reserved */
        buf.enc_ndr_short(0); /* reserved2 */
        buf.enc_ndr_short(0); /* context id */
        buf.enc_ndr_small(1); /* number of items */
        buf.enc_ndr_small(0); /* reserved */
        binding.uuid.encode(buf);
        buf.enc_ndr_short(binding.major);
        buf.enc_ndr_short(binding.minor);

Bạn có thể thử các dịch vụ của họ và làm theo hướng dẫn của họ:

        // Write context header
        writeInt4(buffer, offset, getName().length());  // NameOffset
        writeInt4(buffer, offset + 4, getName().length());  // NameLength
        writeInt4(buffer, offset + 8, 16);  // Reserved
        
        int dataOffset = offset + 16 + getName().length();
        dataOffset = (dataOffset + 7) & ~7;  // 8-byte alignment
        
        writeInt4(buffer, offset + 12, dataOffset - offset);  // DataOffset