}

    @Nested
    @DisplayName("Header Constants")
    class HeaderConstants {

        @Test
        @DisplayName("SMB2 header length should be 64 bytes")
        void testSmb2HeaderLength() {
            assertEquals(64, Smb2Constants.SMB2_HEADER_LENGTH, "SMB2 header must be exactly 64 bytes");
        }
    }

    @Nested
    @DisplayName("Negotiation Constants")