int expectedLongSize = Smb2Constants.SMB2_HEADER_LENGTH + 8 + longPath.length() * 2;

        // size8 method aligns to 8-byte boundary
        int alignedShortSize = (expectedShortSize + 7) & ~7;
        int alignedLongSize = (expectedLongSize + 7) & ~7;

        assertEquals(alignedShortSize, shortSize);
        assertEquals(alignedLongSize, longSize);
    }

    @Test

０ => 0
１ => 1
２ => 2
３ => 3
４ => 4
５ => 5
６ => 6
７ => 7
８ => 8
９ => 9

① => 1\u0020
② => 2\u0020
③ => 3\u0020
④ => 4\u0020
⑤ => 5\u0020
⑥ => 6\u0020
⑦ => 7\u0020
⑧ => 8\u0020
⑨ => 9\u0020

！ => !
？ => ?
＃ => #
％ => %
＆ => &
＠ => @
＋ => +
－ => -
＊ => *
／ => /
＝ => =
＄ => $
＾ => ^
： => :
； => ;
’ => '

        void testSize() {
            int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 4;
            // size8 rounds up to 8-byte boundary
            int expectedAlignedSize = (expectedSize + 7) & ~7;

            assertEquals(expectedAlignedSize, echoRequest.size());
        }

        @Test
        @DisplayName("Size should be consistent across multiple calls")
        void testSizeConsistency() {

    void testSize() {
        int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 24;
        // size8 method rounds up to 8-byte boundary
        int expectedAlignedSize = (expectedSize + 7) & ~7;

        assertEquals(expectedAlignedSize, request.size());
    }

    @Test
    @DisplayName("writeBytesWireFormat should write correct structure")
    void testWriteBytesWireFormat() {

    void testSize() {
        int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 24;
        // size8 method rounds up to 8-byte boundary
        int expectedAlignedSize = (expectedSize + 7) & ~7;

        assertEquals(expectedAlignedSize, request.size());
    }

    @Test
    @DisplayName("writeBytesWireFormat should write correct structure")
    void testWriteBytesWireFormat() {

        for (int i = 0; i < 32; i++) {
            buffer[ctxOffset + i] = (byte) i;
        }
        ctxOffset += 32;

        // Padding for 8-byte alignment
        ctxOffset = (ctxOffset + 7) & ~7;

        // Encryption context
        SMBUtil.writeInt2(EncryptionNegotiateContext.NEGO_CTX_ENC_TYPE, buffer, ctxOffset);
        SMBUtil.writeInt2(4, buffer, ctxOffset + 2); // Data length