want := map[[2]uint8]map[ErasureAlgo]uint64{{0x2, 0x2}: {0x1: 0x23fb21be2496f5d3}, {0x2, 0x3}: {0x1: 0xa5cd5600ba0d8e7c}, {0x3, 0x1}: {0x1: 0x60ab052148b010b4}, {0x3, 0x2}: {0x1: 0xe64927daef76435a}, {0x3, 0x3}: {0x1: 0x672f6f242b227b21}, {0x3, 0x4}: {0x1: 0x571e41ba23a6dc6}, {0x4, 0x1}: {0x1: 0x524eaa814d5d86e2}, {0x4, 0x2}: {0x1: 0x62b9552945504fef}, {0x4, 0x3}: {0x1: 0xcbf9065ee053e518}, {0x4, 0x4}: {0x1: 0x9a07581dcd03da8}, {0x4, 0x5}: {0x1: 0xbf2d27b55370113f}, {0x5, 0x1}:...

      cp >>>= 4;
      dest[10] = upperHexDigits[0x8 | (cp & 0x3)];
      cp >>>= 2;
      dest[8] = upperHexDigits[cp & 0xF];
      cp >>>= 4;
      dest[7] = upperHexDigits[0x8 | (cp & 0x3)];
      cp >>>= 2;
      dest[5] = upperHexDigits[cp & 0xF];
      cp >>>= 4;
      dest[4] = upperHexDigits[0x8 | (cp & 0x3)];
      cp >>>= 2;
      dest[2] = upperHexDigits[cp & 0x7];
      return dest;

    private static final Logger log = LoggerFactory.getLogger(CompressionNegotiateContext.class);

    // Context type
    /** Context ID for compression capabilities */
    public static final int NEGO_CTX_COMPRESSION_TYPE = 0x3;

    // SMB3 Compression Algorithms
    /** No compression */
    public static final int COMPRESSION_NONE = 0x0;
    /** LZ77 compression */
    public static final int COMPRESSION_LZ77 = 0x1;

        super(config, SMB_COM_OPEN_ANDX, fileName, andx);
        this.fileAttributes = fileAttributes;

        this.desiredAccess = access & 0x3;
        if (this.desiredAccess == 0x3) {
            this.desiredAccess = 0x2; /* Mmm, I thought 0x03 was RDWR */
        }

        // map shareAccess as far as we can

        super(andx);
        this.path = fileName;
        command = SMB_COM_OPEN_ANDX;

        desiredAccess = access & 0x3;
        if (desiredAccess == 0x3) {
            desiredAccess = 0x2; /* Mmm, I thought 0x03 was RDWR */
        }
        desiredAccess |= SHARING_DENY_NONE;

	var buf bytes.Buffer
	msgp.Encode(&buf, &v)
	rd := msgp.NewEndlessReader(buf.Bytes(), b)
	dc := msgp.NewReader(rd)
	b.Log("Size:", buf.Len(), "bytes")
	b.SetBytes(1)
	b.ReportAllocs()

        final byte b2 = DECODE_TABLE[inData.charAt(inIndex + 2)];
        final byte b3 = DECODE_TABLE[inData.charAt(inIndex + 3)];
        outData[outIndex] = (byte) (b0 << 2 & 0xfc | b1 >> 4 & 0x3);
        outData[outIndex + 1] = (byte) (b1 << 4 & 0xf0 | b2 >> 2 & 0xf);
        outData[outIndex + 2] = (byte) (b2 << 6 & 0xc0 | b3 & 0x3f);
    }

    CharSequence[] rhs = new CharSequence[] {upperString, upperString, upperSeq, upperSeq};

    boolean dummy = false;
    for (int i = 0; i < reps; i++) {
      dummy ^= Ascii.equalsIgnoreCase(lhs[i & 0x3], rhs[i & 0x3]);
    }
    return dummy;
  }

  @Benchmark
  boolean equalsIgnoreCaseStringOnly(int reps) {
    // This benchmark has no concept of "noWorkToDo".
    String lhs = testString;

    CharSequence[] rhs = new CharSequence[] {upperString, upperString, upperSeq, upperSeq};

    boolean dummy = false;
    for (int i = 0; i < reps; i++) {
      dummy ^= Ascii.equalsIgnoreCase(lhs[i & 0x3], rhs[i & 0x3]);
    }
    return dummy;
  }

  @Benchmark
  boolean equalsIgnoreCaseStringOnly(int reps) {
    // This benchmark has no concept of "noWorkToDo".
    String lhs = testString;

        String s = cmd.toString();
        assertTrue(s.contains("Trans2GetDfsReferral["));
        assertTrue(s.contains("filename=/bar"));
        assertTrue(s.contains("maxReferralLevel=0x3"));
    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 5, -1, 65534 })
    @DisplayName("referral level variations")
    void testLevels(int level) throws Exception {