final int start = dstIndex;

        writeInt2(informationLevel, dst, dstIndex);
        dstIndex += 2;

        /* windows98 has what appears to be another 4 0's followed by the share
         * name as a zero terminated ascii string "\TMP" + '\0'
         *
         * As is this works, but it deviates from the spec section 4.1.6.6 but
         * maybe I should put it in. Wonder what NT does?
         */

        }
    }

    // --- Server-side copy path (SMB2 + same tree) for zero-length files ---

    @Test
    @DisplayName("copyFile uses server-side copy for zero-length and returns")
    void copyFile_serverSide_zeroLength_happyPath() throws Exception {
        // Arrange
        SmbFile src = mock(SmbFile.class);

        bufferIndex += 4;
        this.setupCount = buffer[bufferIndex] & 0xFF;
        bufferIndex += 2;
        if ((this.setupCount != 0) && log.isDebugEnabled()) {
            log.debug("setupCount is not zero: " + this.setupCount);
        }

        return bufferIndex - start;
    }

        // Verify
        assertEquals(8, bytesDecoded);
        assertEquals(expectedIndexNumber, fileInternalInfo.getIndexNumber());
    }

    @Test
    @DisplayName("Test decode with zero index number")
    void testDecodeWithZeroIndexNumber() throws SMBProtocolDecodingException {
        // Prepare test data
        byte[] buffer = new byte[8];
        long expectedIndexNumber = 0L;

        // Then
        assertEquals(6, bytesWritten);
        assertEquals(fid, SMBUtil.readInt2(dst, 0));
        // lastWriteTime is not written if digest is null, so the remaining bytes should be zero
        assertEquals(0, SMBUtil.readInt4(dst, 2));
    }

    /**
     * Test method for {@link jcifs.internal.smb1.com.SmbComClose#writeParameterWordsWireFormat(byte[], int)} with a signing digest.
     */
    @Test

        int actual = findNtStatusOrMinusOne(dosCode);

        // Assert
        assertEquals(expectedNtStatus, actual, "Mapping must match table entry");
    }

    @Test
    @DisplayName("Edge: zero DOS code maps to zero NTSTATUS")
    void zeroCodeMapsToZero() {
        // Act
        int actual = findNtStatusOrMinusOne(0x00000000);

        // Assert
        assertEquals(0x00000000, actual);
    }

        verify(smbFileHandle, times(1)).getInitialSize();
    }

    /**
     * Test getInitialSize() when the size is zero.
     */
    @Test
    void testGetInitialSize_zero() {
        long expectedSize = 0L;
        when(smbFileHandle.getInitialSize()).thenReturn(expectedSize);
        long actualSize = smbFileHandle.getInitialSize();

        int result = request.size();

        // Then
        assertEquals(expectedSize, result);
        verify(request, times(1)).size();
    }

    @Test
    @DisplayName("Test size returns zero for empty message")
    void testSizeReturnsZero() {
        // Given
        when(request.size()).thenReturn(0);

        // When
        int result = request.size();

        // Then

    }

    @Test
    public void hasMoreElements_errorCodeNonZero_returnsFalse() {
        DummyResponse d = new DummyResponse();
        d.setErrorCode(123); // non-zero error
        assertFalse(d.hasMoreElements(), "errorCode non-zero overrides hasMore flag");
    }

    @Test
    public void nextElement_firstCall_flipsIsPrimary() {
        DummyResponse d = new DummyResponse();

        assertNotNull(result);
        assertTrue(result.startsWith("NtTransQuerySecurityResponse["));
        assertTrue(result.endsWith("]"));
    }

    @Test
    @DisplayName("Test readParametersWireFormat with zero nextEntryOffset stops iteration")
    void testReadParametersWireFormatZeroNextEntryOffset() throws Exception {
        ByteBuffer buffer = ByteBuffer.allocate(200);
        buffer.order(ByteOrder.LITTLE_ENDIAN);