// Verify length (8 bytes)
            assertEquals(length, SMBUtil.readInt8(buffer, 8));

            // Verify flags (4 bytes)
            assertEquals(flags, SMBUtil.readInt4(buffer, 16));

            // Verify reserved field is zeros (4 bytes)
            assertEquals(0, SMBUtil.readInt4(buffer, 20));
        }

        @Test
        @DisplayName("Should encode at different buffer positions")

            assertEquals(300, SMBUtil.readInt4(buffer, 16));

            // Verify second chunk
            assertEquals(400L, SMBUtil.readInt8(buffer, EXPECTED_SIZE));
            assertEquals(500L, SMBUtil.readInt8(buffer, EXPECTED_SIZE + 8));
            assertEquals(600, SMBUtil.readInt4(buffer, EXPECTED_SIZE + 16));

            // Verify third chunk

    long a = load64(bytes, offset) + (length + load64(bytes, offset + length - 16)) * K0;
    long b = rotateRight(a + z, 52);
    long c = rotateRight(a, 37);
    a += load64(bytes, offset + 8);
    c += rotateRight(a, 7);
    a += load64(bytes, offset + 16);
    long vf = a + z;
    long vs = b + rotateRight(a, 31) + c;
    a = load64(bytes, offset + 16) + load64(bytes, offset + length - 32);
    z = load64(bytes, offset + length - 8);

        // Verify context name is encoded at offset 16
        byte[] nameBytes = new byte[4];
        System.arraycopy(buffer, 16, nameBytes, 0, 4);
        assertArrayEquals("RqLs".getBytes(), nameBytes);

        // Verify lease key is encoded at offset 24 (after header + name + padding)
        byte[] encodedKey = new byte[16];
        System.arraycopy(buffer, 24, encodedKey, 0, 16);

        byte[] data = createTestData(64);
        int offset = 16;
        int length = 32;

        Hexdump.hexdump(ps, data, offset, length);
        String output = baos.toString();

        assertNotNull(output);
        // Should start at offset 0 in display but show data from offset 16
        assertTrue(output.contains("00000:"));
        // First byte should be 0x10 (16 in decimal)
        assertTrue(output.contains(" 10 11 12"));

        @Test
        @DisplayName("Should update file ID multiple times")
        void testMultipleFileIdUpdates() {
            byte[] firstFileId = new byte[16];
            Arrays.fill(firstFileId, (byte) 0xAA);
            byte[] secondFileId = new byte[16];
            Arrays.fill(secondFileId, (byte) 0xBB);

            request.setFileId(firstFileId);
            request.setFileId(secondFileId);

        // Set capabilities (4 bytes)
        int testCapabilities = 0x12345678;
        SMBUtil.writeInt4(testCapabilities, buffer, bufferIndex);

        // Set server GUID (16 bytes)
        byte[] testGuid = new byte[16];
        for (int i = 0; i < 16; i++) {
            testGuid[i] = (byte) (i + 1);
        }
        System.arraycopy(testGuid, 0, buffer, bufferIndex + 4, 16);

        // Set security mode (2 bytes)

        }

        // Read lease V2 data (52 bytes)
        byte[] keyBytes = new byte[16];
        System.arraycopy(buffer, bufferIndex, keyBytes, 0, 16);
        this.leaseKey = new Smb2LeaseKey(keyBytes);
        bufferIndex += 16;

        this.leaseState = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;

        // Skip context header (16 bytes) and name (4 bytes) and padding (4 bytes)
        int dataOffset = offset + 24;

        // Decode standard lease data
        byte[] keyBytes = new byte[16];
        System.arraycopy(buffer, dataOffset, keyBytes, 0, 16);
        this.leaseKey = new Smb2LeaseKey(keyBytes);
        dataOffset += 16;

        this.leaseState = SMBUtil.readInt4(buffer, dataOffset);

    @DisplayName("Should generate random lease key with correct size")
    void testRandomLeaseKeyGeneration() {
        Smb2LeaseKey key = new Smb2LeaseKey();

        assertNotNull(key.getKey());
        assertEquals(16, key.getKey().length);
        assertFalse(key.isZero());
    }

    @Test
    @DisplayName("Should create lease key from byte array")
    void testLeaseKeyFromBytes() {