});
    }

    @Test
    public void testValidArrayAllocation() throws Exception {
        validator.validateArrayAllocation(100, 10, 1000);
        validator.validateArrayAllocation(0, 10, 1000); // Zero size should be allowed
    }

    @Test
    public void testArrayAllocationNegativeSize() throws Exception {
        assertThrows(SmbException.class, () -> {

        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);

            lock = new Smb2Lock(offset, length, flags);

            assertNotNull(lock);
        }

        @Test
        @DisplayName("Should create lock with zero offset and length")
        void testConstructorWithZeroValues() {
            lock = new Smb2Lock(0L, 0L, 0);

            assertNotNull(lock);
        }

        @Test

        verify(tree, times(1)).release();
    }

    @Test
    @DisplayName("release() decrements usage; closes only when count reaches zero")
    void release_decrementsAndClosesOnZero() throws CIFSException {
        when(cfg.isTraceResourceUsage()).thenReturn(false);
        stubValidTree(8L, true, true);

    protected String appendHighlightParams;

    /** Formatted execution time for the search request. */
    protected String execTime;

    /** Number of results per page. */
    protected int pageSize;

    /** Current page number being displayed. */
    protected int currentPageNumber;

    /** Total number of records matching the search query. */

        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;
    }

                break;
            }
        }
        assertTrue(hasNonZero, "Data should have non-zero bytes");

        SecureKeyManager.secureWipe(data);

        // Verify data is wiped
        for (byte b : data) {
            assertEquals(0, b, "All bytes should be zero after wipe");
        }
    }

    @Test
    public void testSecureWipeNull() {
        // Should not throw

        // 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