assertEquals(dst.length, n);

        // resumeKey (LE) at offset 6..9 should be 0x11121314 -> 14 13 12 11
        assertEquals((byte) 0x14, dst[6]);
        assertEquals((byte) 0x13, dst[7]);
        assertEquals((byte) 0x12, dst[8]);
        assertEquals((byte) 0x11, dst[9]);

        // filename content
        byte[] nameBytes = updatedName.getBytes();
        for (int i = 0; i < nameBytes.length; i++) {

key to generate the hash key H MOVOU (SI), X0 MOVOU 16(SI), X11 AESENC X11, X0 MOVOU 32(SI), X11 AESENC X11, X0 MOVOU 48(SI), X11 AESENC X11, X0 MOVOU 64(SI), X11 AESENC X11, X0 MOVOU 80(SI), X11 AESENC X11, X0 MOVOU 96(SI), X11 AESENC X11, X0 MOVOU 112(SI), X11 AESENC X11, X0 MOVOU 128(SI), X11 AESENC X11, X0 MOVOU 144(SI), X11 AESENC X11, X0 MOVOU 160(SI), X11 CMPQ DX, $0x0c JB initEncLast AESENC X11, X0 MOVOU 176(SI), X11 AESENC X11, X0 MOVOU 192(SI), X11 JE initEncLast AESENC X11, X0 MOVOU 208(SI),...

        assertEquals(0x10, smbComOpenAndX.openFunction); // OPEN_FN_CREATE | OPEN_FN_FAIL_IF_EXISTS
    }

    /**
     * Test constructor with O_CREAT flag.
     */
    @Test
    void testConstructor_CreateAndOpen() {
        int flags = SmbFile.O_CREAT;
        smbComOpenAndX = new SmbComOpenAndX(fileName, access, flags, andx);

            byte[] testContext =
                    new byte[] { (byte) 0x11, (byte) 0x22, (byte) 0x33, (byte) 0x44, (byte) 0x55, (byte) 0x66, (byte) 0x77, (byte) 0x88 };
            message.setContext(testContext);
            byte[] testTargetInfo = new byte[] { 0x10, 0x20, 0x30 };
            message.setTargetInformation(testTargetInfo);

            // When

    }

    @Test
    @DisplayName("Should encode and decode UUIDs")
    void testUUIDOperations() {
        // Given
        byte[] uuid = { 0x12, 0x34, 0x56, 0x78, (byte) 0x9A, (byte) 0xBC, (byte) 0xDE, (byte) 0xF0, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66,
                0x77, (byte) 0x88 };
        byte[] buffer = new byte[16];

        // When
        System.arraycopy(uuid, 0, buffer, 0, 16);

        assertEquals(1, SMBUtil.readInt2(buffer, 8));
        assertEquals(1, SMBUtil.readInt2(buffer, 10));
    }

    /**
     * Test that a large file lock (bit 0x10 set) is encoded and decoded correctly.
     */
    @ParameterizedTest
    @ValueSource(ints = { 0x10, 0x11 })
    void largeFileFlagSet_and_decoded_according_to_type(int type) throws Exception {
        Configuration cfg = mock(Configuration.class);

    void testReadULongOutOfBounds() {
        byte[] a = new byte[] { 0x01, 0x02, 0x03 };
        assertThrows(IndexOutOfBoundsException.class, () -\u003e NtlmMessage.readULong(a, 0));
    }

    @Test
    @DisplayName("readSecurityBuffer correctly extracts data")
    void testReadSecurityBuffer() {
        byte[] buf = new byte[8 + 4];
        byte[] payload = { 0x11, 0x22, 0x33, 0x44 };

        request.writeBytesWireFormat(buffer, 0);

        // Then
        int readFilter = SMBUtil.readInt4(buffer, 24);
        assertEquals(combinedFilter, readFilter);
        assertEquals(0x1F, readFilter); // 1 + 2 + 4 + 8 + 16 = 31 = 0x1F
    }

    @Test
    @DisplayName("Should handle all file change notifications")
    void testAllFileChangeNotifications() {
        // Given - all possible filters

        byte[] data4 = { 0x00, 0x11, 0x22, 0x33, 0x44 };
        assertEquals("00", Hexdump.toHexString(data4, 1, 2)); // Bug: ignores srcIndex, reads from 0
        assertEquals("0011", Hexdump.toHexString(data4, 1, 4)); // Bug: ignores srcIndex, reads from 0
        assertEquals("0011", Hexdump.toHexString(data4, 2, 4)); // Bug: ignores srcIndex, reads from 0
    }

    @Test

            lock = new Smb2Lock(100L, 200L, sharedWithFailImmediately);
            lock.encode(buffer, 0);

            assertEquals(0x11, SMBUtil.readInt4(buffer, 16));
        }
    }

    @Nested
    @DisplayName("Edge Cases and Boundary Tests")
    class EdgeCaseTests {

        @Test
        @DisplayName("Should handle encoding at buffer boundary")