@Test
        @DisplayName("Various byte values are converted to uppercase hex")
        void testHexConversion() {
            byte[] challenge = new byte[] { (byte) 0x00, (byte) 0x0F, (byte) 0x10, (byte) 0x7F, (byte) 0x80, (byte) 0xFF };
            UniAddress dc = mock(UniAddress.class);
            when(dc.toString()).thenReturn("DC");

            NtlmChallenge nc = new NtlmChallenge(challenge, dc);

        int len = cmd.writeParametersWireFormat(buffer, 0);
        assertTrue(len >= 2);
        // writeInt2 writes in little-endian format (LSB first)
        assertEquals(0xAB, buffer[0] & 0xFF);
        assertEquals(0x12, buffer[1] & 0xFF);
        // Check that the path is written after the referral level
        // The path should be written starting at index 2
        // writeString adds null terminator

            assertEquals((byte) 0xFF, originalFileId[0], "Original FileId should remain unchanged");
            assertArrayEquals(
                    new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,
                            (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF },

                new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10 };

        Smb2LeaseKey key = new Smb2LeaseKey(originalBytes);
        byte[] retrievedKey = key.getKey();

        // Modify the retrieved key
        retrievedKey[0] = (byte) 0xFF;

        // Original key should remain unchanged
        assertEquals(0x01, key.getKey()[0]);
    }

        assertArrayEquals(new byte[] { (byte) 0xFF, (byte) 0xFF }, dst, "Negative sid should wrap to 0xFFFF");
    }

    @Test
    void testWriteParameterWordsWithOffset() {
        byte[] dst = new byte[5];
        int written = instance.writeParameterWordsWireFormat(dst, 3);
        assertEquals(2, written);
        assertEquals((byte) (TEST_SID & 0xFF), dst[3]);
        assertEquals((byte) ((TEST_SID >> 8) & 0xFF), dst[4]);

        testBuffer[0] = (byte) 0xFF; // Non-zero = Deny
        testBuffer[1] = (byte) 0xFF; // All flags
        testBuffer[2] = (byte) 0xFF; // Size low byte
        testBuffer[3] = (byte) 0xFF; // Size high byte
        testBuffer[4] = (byte) 0xFF; // Access mask all bits
        testBuffer[5] = (byte) 0xFF;
        testBuffer[6] = (byte) 0xFF;
        testBuffer[7] = (byte) 0xFF;

        // Add minimal SID data

        return SCOPE_OFFSET + writeScopeWireFormat(dst, dstIndex + SCOPE_OFFSET);
    }

    int readWireFormat(final byte[] src, final int srcIndex) {

        final byte tmp[] = new byte[SCOPE_OFFSET];
        int length = 15;
        for (int i = 0; i < 15; i++) {
            tmp[i] = (byte) ((src[srcIndex + 2 * i + 1] & 0xFF) - 0x41 << 4);

        assertEquals((byte) ((value >> 8) & 0xFF), dst[0]);
        assertEquals((byte) (value & 0xFF), dst[1]);
    }

    @Test
    @DisplayName("writeInt2 with offset should write at correct position")
    void testWriteInt2WithOffset() {
        byte[] dst = new byte[10];
        dst[2] = (byte) 0xFF; // Mark position
        dst[3] = (byte) 0xFF;

        SessionServicePacket.writeInt2(0xABCD, dst, 4);

        int impLevel = (buffer[4] & 0xFF) | ((buffer[5] & 0xFF) << 8) | ((buffer[6] & 0xFF) << 16) | ((buffer[7] & 0xFF) << 24);
        assertEquals(Smb2CreateRequest.SMB2_IMPERSONATION_LEVEL_IMPERSONATION, impLevel);

        // Check default desired access (0x00120089) at offset 24
        int desiredAccess = (buffer[24] & 0xFF) | ((buffer[25] & 0xFF) << 8) | ((buffer[26] & 0xFF) << 16) | ((buffer[27] & 0xFF) << 24);

        dstIndex += wordCount + 1;
        wordCount /= 2;
        dst[start] = (byte) (wordCount & 0xFF);

        byteCount = writeBytesWireFormat(dst, dstIndex + 2);
        dst[dstIndex] = (byte) (byteCount & 0xFF);
        dstIndex++;
        dst[dstIndex++] = (byte) (byteCount >> 8 & 0xFF);
        dstIndex += byteCount;

        /* Normally, without intervention everything would batch