int encoded = originalContext.encode(buffer, 0);
            assertEquals(2 + (2 * maxCiphers), encoded);

            EncryptionNegotiateContext decodedContext = new EncryptionNegotiateContext();
            int decoded = decodedContext.decode(buffer, 0, encoded);

            assertEquals(encoded, decoded);
            assertArrayEquals(ciphers, decodedContext.getCiphers());

        return len;
    }

    /**
     * Decodes a string from OEM-encoded bytes.
     *
     * @param src the byte array containing the encoded string
     * @param srcIndex the starting offset in the byte array
     * @param len the number of bytes to decode
     * @param config the configuration providing the OEM encoding
     * @return decoded string
     */

            int encoded = context.encode(largeBuffer, 0);
            assertEquals(2 + 200, encoded); // 2 for count + 100*2 for ciphers

            EncryptionNegotiateContext decoded = new EncryptionNegotiateContext();
            try {
                int decodedSize = decoded.decode(largeBuffer, 0, encoded);
                assertEquals(encoded, decodedSize);

        assertEquals("Decoded byte should match", singleByte[0], decoded[0]);
    }

    /**
     * Test encode with two bytes
     *
     * @throws Exception
     */
    public void testEncode_TwoBytes() throws Exception {
        final byte[] twoBytes = new byte[] { 'A', 'B' };
        final String encoded = Base64Util.encode(twoBytes);

        // Encode
        byte[] buffer = new byte[8];
        int encoded = original.encode(buffer, 0);
        assertEquals(8, encoded);

        // Decode
        FileEndOfFileInformation decoded = new FileEndOfFileInformation();
        int decodedBytes = decoded.decode(buffer, 0, 8);
        assertEquals(8, decodedBytes);

        byte[] encoded = AvPairs.encode(pairs);

        assertNotNull(encoded, "Encoded data should not be null");
        assertEquals(4, encoded.length, "Should only have EOL (4 bytes)");
        assertEquals(AvPair.MsvAvEOL, SMBUtil.readInt2(encoded, 0), "Should be EOL");
        assertEquals(0, SMBUtil.readInt2(encoded, 2), "EOL length should be 0");
    }

    /**
     * Test round-trip encoding and decoding

            int encoded = originalContext.encode(largeBuffer, 0);
            assertEquals(4 + (2 * maxAlgos) + salt.length, encoded);

            PreauthIntegrityNegotiateContext decodedContext = new PreauthIntegrityNegotiateContext();
            int decoded = decodedContext.decode(largeBuffer, 0, encoded);

            assertEquals(encoded, decoded);

    }

    /**
     * Encodes an object name to a URL-safe base64 string.
     *
     * @param objectName the object name to encode
     * @return base64 encoded string
     */
    protected static String encodeId(final String objectName) {
        if (objectName == null) {
            return StringUtil.EMPTY;
        }

    assertThat(encoding.encode(decoded.getBytes(UTF_8), offset, len)).isEqualTo(encoded);
  }

  private static void testDecodes(BaseEncoding encoding, String encoded, String decoded) {
    assertThat(encoding.canDecode(encoded)).isTrue();
    assertThat(encoding.decode(encoded)).isEqualTo(decoded.getBytes(UTF_8));
  }

 *
 *  * In queries, ' ' is encoded to '+' and '+' is encoded to "%2B".
 *
 *  * Characters in `encodeSet` are percent-encoded.
 *
 *  * Control characters and non-ASCII characters are percent-encoded.
 *
 *  * All other characters are copied without transformation.
 *
 * @param alreadyEncoded true to leave '%' as-is; false to convert it to '%25'.