// Write context header
        SMBUtil.writeInt4(16, dst, dstIndex); // Next (offset to next context, 0 for last)
        dstIndex += 4;

        SMBUtil.writeInt2(4, dst, dstIndex); // NameOffset (from start of context)
        dstIndex += 2;

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

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

        assertEquals(getField(cmd, "fid"), SMBUtil.readInt2(buffer, 0));
        assertEquals(getField(cmd, "typeOfLock"), buffer[2]);
        assertEquals(getField(cmd, "newOpLockLevel"), buffer[3]);
        assertEquals(getField(cmd, "timeout"), (long) SMBUtil.readInt4(buffer, 4));
        assertEquals(1, SMBUtil.readInt2(buffer, 8));
        assertEquals(1, SMBUtil.readInt2(buffer, 10));
    }

    /**

        // Original message size
        SMBUtil.writeInt4(this.originalMessageSize, dst, dstIndex);
        dstIndex += 4;

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

        // Flags (2 bytes)
        SMBUtil.writeInt2(this.flags, dst, dstIndex);
        dstIndex += 2;

        // Session ID (8 bytes)
        SMBUtil.writeInt8(this.sessionId, dst, dstIndex);

        // Verify context header
        assertEquals(0, SMBUtil.readInt4(buffer, 0)); // Next
        assertEquals(16, SMBUtil.readInt2(buffer, 4)); // NameOffset
        assertEquals(4, SMBUtil.readInt2(buffer, 6)); // NameLength
        assertEquals(0, SMBUtil.readInt2(buffer, 8)); // Reserved
        assertEquals(24, SMBUtil.readInt2(buffer, 10)); // DataOffset
        assertEquals(52, SMBUtil.readInt4(buffer, 12)); // DataLength

        // Verify FID values
        assertEquals(0x1111, SMBUtil.readInt2(dst1, 4));
        assertEquals(0x2222, SMBUtil.readInt2(dst2, 4));
        assertEquals(0x3333, SMBUtil.readInt2(dst3, 4));

        // Verify completion filters
        assertEquals(FILE_NOTIFY_CHANGE_FILE_NAME, SMBUtil.readInt4(dst1, 0));
        assertEquals(FILE_NOTIFY_CHANGE_DIR_NAME, SMBUtil.readInt4(dst2, 0));

            // Given
            byte[] buffer = new byte[10];
            int bufferIndex = 2;
            SMBUtil.writeInt2(4, buffer, bufferIndex); // Write structure size = 4
            SMBUtil.writeInt2(0, buffer, bufferIndex + 2); // Reserved field

            // When
            int bytesRead = response.readBytesWireFormat(buffer, bufferIndex);

        bufferIndex += 2;
        this.fileType = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.deviceState = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.action = SMBUtil.readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        this.serverFid = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 6;

        assertEquals(0, SMBUtil.readInt4(buffer, 0));

        // NameOffset field (2 bytes) - should be 16 (after header)
        assertEquals(16, SMBUtil.readInt2(buffer, 4));

        // NameLength field (2 bytes) - should be 4 for "RqLs"
        assertEquals(4, SMBUtil.readInt2(buffer, 6));

        // Reserved field (2 bytes) - should be 0
        assertEquals(0, SMBUtil.readInt2(buffer, 8));

        SMBUtil.writeUTime(0L, dst, 0);
        assertEquals(0, SMBUtil.readInt4(dst, 0));

        // Test with specific value (Unix timestamp in milliseconds)
        SMBUtil.writeUTime(1500000000000L, dst, 4);
        assertEquals(1500000000, SMBUtil.readInt4(dst, 4));
    }

    @Test
    void testSMBHeader() {
        assertNotNull(SMBUtil.SMB_HEADER);
        assertEquals(24, SMBUtil.SMB_HEADER.length);

        final int start = dstIndex;

        SMBUtil.writeInt2(this.fid, dst, dstIndex);
        dstIndex += 2;

        dst[dstIndex] = this.typeOfLock;
        dst[dstIndex + 1] = this.newOpLockLevel;
        dstIndex += 2;

        SMBUtil.writeInt4(this.timeout, dst, dstIndex);
        dstIndex += 4;

        SMBUtil.writeInt2(this.unlocks != null ? this.unlocks.length : 0, dst, dstIndex);