tmp = new byte[TMP_BUFFER_SIZE];
    }

    public synchronized int read() throws IOException {
        if( read( tmp, 0, 1 ) < 0 ) {
            return -1;
        }
        return tmp[0] & 0xFF;
    }
    public synchronized int read( byte[] b ) throws IOException {
        return read( b, 0, b.length );
    }

    /* This method will not return until len bytes have been read

    require(streamId and 0x80000000.toInt() == 0) { "reserved bit set: $streamId" }
    sink.writeMedium(length)
    sink.writeByte(type and 0xff)
    sink.writeByte(flags and 0xff)
    sink.writeInt(streamId and 0x7fffffff)
  }

  @Throws(IOException::class)
  override fun close() {
    this.withLock {
      closed = true
      sink.close()
    }
  }

)

type exprTest struct {
	input  string
	output int64
	atEOF  bool
}

var exprTests = []exprTest{
	// Simple
	{"0", 0, true},
	{"3", 3, true},
	{"070", 8 * 7, true},
	{"0x0f", 15, true},
	{"0xFF", 255, true},
	{"9223372036854775807", 9223372036854775807, true}, // max int64
	// Unary
	{"-0", 0, true},
	{"~0", -1, true},
	{"~0*0", 0, true},
	{"+3", 3, true},
	{"-3", -3, true},

    byte[] col2 = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, (byte) 0x81};
    byte[] col3 = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, (byte) 0xff};

    ImmutableSet<HashCode> hashCodes =
        ImmutableSet.of(
            SIP_WITH_KEY.hashBytes(col1),
            SIP_WITH_KEY.hashBytes(col2),
            SIP_WITH_KEY.hashBytes(col3));

    byte[] col2 = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, (byte) 0x81};
    byte[] col3 = new byte[] {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, (byte) 0xff};

    ImmutableSet<HashCode> hashCodes =
        ImmutableSet.of(
            SIP_WITH_KEY.hashBytes(col1),
            SIP_WITH_KEY.hashBytes(col2),
            SIP_WITH_KEY.hashBytes(col3));

                    lock.wait();
                }
            } catch( InterruptedException ie ) {
                throw new IOException( ie.getMessage() );
            }
            result = pipe_buf[beg_idx] & 0xFF;
            beg_idx = ( beg_idx + 1 ) % pipe_buf.length;
        }
        return result;
    }
    public int read( byte[] b ) throws IOException {
        return read( b, 0, b.length );
    }

      }
    }
  }

  @Benchmark
  int meanAndVariance(int reps) {
    int tmp = 0;
    for (int i = 0; i < reps; i++) {
      tmp += varianceAlgorithm.variance(values[i & 0xFF], meanAlgorithm).hashCode();
    }
    return tmp;
  }

                        break;
                    case 1:
                        ASN1BitString ctxFlags = DERBitString.getInstance(tagged, true);
                        setContextFlags(ctxFlags.getBytes()[ 0 ] & 0xff);
                        break;
                    case 2:
                        ASN1OctetString mechanismToken = ASN1OctetString.getInstance(tagged, true);

        dataOffset = readInt2( buffer, bufferIndex );
        bufferIndex += 2;
        dataDisplacement = readInt2( buffer, bufferIndex );
        bufferIndex += 2;
        setupCount = buffer[bufferIndex] & 0xFF;
        bufferIndex += 2;
        if( setupCount != 0 ) {
            if( log.level > 2 )
                log.println( "setupCount is not zero: " + setupCount );
        }

        return bufferIndex - start;

		0x8, 0x17, 0x23,
	}) {
		t.Fatalf("Bad key[0].Y, got %v", key0.Y.Bytes())
	} else if key1.E != 0x10001 {
		t.Fatalf("Bad key[1].E: %d", key1.E)
	} else if !bytes.Equal(key1.N.Bytes(), []byte{
		0xd2, 0xfc, 0x7b, 0x6a, 0xa, 0x1e,
		0x6c, 0x67, 0x10, 0x4a, 0xeb, 0x8f, 0x88, 0xb2, 0x57, 0x66, 0x9b, 0x4d, 0xf6,
		0x79, 0xdd, 0xad, 0x9, 0x9b, 0x5c, 0x4a, 0x6c, 0xd9, 0xa8, 0x80, 0x15, 0xb5,