// Buffer 1: LOGON_INFO
            writeLittleEndianInt(baos, PacConstants.LOGON_INFO);
            writeLittleEndianInt(baos, 8); // minimal size
            writeLittleEndianLong(baos, 72); // offset (aligned)

            // Buffer 2: SERVER_CHECKSUM
            writeLittleEndianInt(baos, PacConstants.SERVER_CHECKSUM);
            writeLittleEndianInt(baos, 20); // signature size

            assertEquals(size1, size2);
        }

        @Test
        @DisplayName("Size should be 72 bytes (64 header + 4 body aligned to 8)")
        void testExactSize() {
            // SMB2_HEADER_LENGTH = 64, body = 4, total = 68
            // size8 aligns to 8-byte boundary: (68 + 7) & ~7 = 72
            assertEquals(72, echoRequest.size());
        }
    }

    @Nested
    @DisplayName("WriteBytesWireFormat Tests")

            int offset = 0;
            offset += lock1.encode(buffer, offset);
            offset += lock2.encode(buffer, offset);
            offset += lock3.encode(buffer, offset);

            assertEquals(72, offset); // 3 * 24

            // Verify first lock
            assertEquals(100L, SMBUtil.readInt8(buffer, 0));
            assertEquals(200L, SMBUtil.readInt8(buffer, 8));

		// Testcase index 0
		{72 * time.Hour, "my_download_url", "3 days before the latest release"},
		{3 * time.Hour, "https://my_download_url_is_huge/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "3 hours before the latest release"},
		{-72 * time.Hour, "another_update_url", ""},
		{0, "another_update_url", ""},
		{time.Hour, "", ""},
		{0 * time.Second, "my_download_url", "now"},
		{1 * time.Second, "my_download_url", "1 second before the latest release"},

        assertEquals(8, size8Method.invoke(request, 1));
        assertEquals(8, size8Method.invoke(request, 8));
        assertEquals(16, size8Method.invoke(request, 9));
        assertEquals(72, size8Method.invoke(request, 68)); // SMB2_HEADER_LENGTH + 4 = 68
    }

    @Test
    @DisplayName("Should maintain consistent command type")
    void testCommandTypeConsistency() throws Exception {
        // Given

        CipherSuite.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,
        CipherSuite.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
      )

    // This is nearly equal to the cipher suites supported in Chrome 72, current as of 2019-02-24.
    // See https://tinyurl.com/okhttp-cipher-suites for availability.
    private val APPROVED_CIPHER_SUITES =
      listOf(
        // TLSv1.3.
        CipherSuite.TLS_AES_128_GCM_SHA256,

        assertEquals(expectedFlags, SMBUtil.readInt4(buffer, 68));

        // Verify notification filter
        assertEquals(0x1F, SMBUtil.readInt4(buffer, 72));
    }

    @Test
    public void testDecode() {
        // Create a context and encode it
        Smb2LeaseKey originalKey = new Smb2LeaseKey();

0000020 72 2e 7a 69 70 00 25 00 da ff 50 4b 03 04 14 00
0000030 00 00 08 00 08 03 64 3c f9 f4 89 64 48 01 00 00
0000040 b8 01 00 00 07 00 00 00 72 2f 72 2e 7a 69 70 00
0000050 2f 00 d0 ff 00 25 00 da ff 50 4b 03 04 14 00 00
0000060 00 08 00 08 03 64 3c f9 f4 89 64 48 01 00 00 b8
0000070 01 00 00 07 00 00 00 72 2f 72 2e 7a 69 70 00 2f
0000080 00 d0 ff c2 54 8e 57 39 00 05 00 fa ff c2 54 8e
0000090 57 39 00 05 00 fa ff 00 05 00 fa ff 00 14 00 eb

  private const val BASE = 36
  private const val TMIN = 1
  private const val TMAX = 26
  private const val SKEW = 38
  private const val DAMP = 700
  private const val INITIAL_BIAS = 72
  private const val INITIAL_N = 0x80

  /**
   * Returns null if any label is oversized so much that the encoder cannot encode it without
   * integer overflow. This will not return null for labels that fit within the DNS size

	_ = x[ErrInvalidVersionID-66]
	_ = x[ErrNoSuchVersion-67]
	_ = x[ErrNotImplemented-68]
	_ = x[ErrPreconditionFailed-69]
	_ = x[ErrRequestTimeTooSkewed-70]
	_ = x[ErrSignatureDoesNotMatch-71]
	_ = x[ErrMethodNotAllowed-72]
	_ = x[ErrInvalidPart-73]
	_ = x[ErrInvalidPartOrder-74]
	_ = x[ErrMissingPart-75]
	_ = x[ErrAuthorizationHeaderMalformed-76]
	_ = x[ErrMalformedPOSTRequest-77]
	_ = x[ErrPOSTFileRequired-78]