n, err := io.ReadFull(rb, buf)
	if err != nil && err != io.ErrUnexpectedEOF {
		t.Fatalf("got: %q; want: %q", err, io.ErrUnexpectedEOF)
	}
	for writeErr := range done {
		if writeErr != ErrWriteOnClosed {
			t.Errorf("got: %q; want: %q", writeErr, ErrWriteOnClosed)
		} else {
			t.Log("ok")
		}
	}
	result := string(buf[0:n])
	if result != "hello" {

    StringWriter writer = new StringWriter();
    long copied = CharStreams.copy(new StringReader(ASCII), writer);
    assertEquals(ASCII, writer.toString());
    assertEquals(ASCII.length(), copied);

    StringWriter writer2 = new StringWriter();
    copied = CharStreams.copy(new StringReader(I18N), writer2);
    assertEquals(I18N, writer2.toString());
    assertEquals(I18N.length(), copied);
  }

    StringWriter writer = new StringWriter();
    long copied = CharStreams.copy(new StringReader(ASCII), writer);
    assertEquals(ASCII, writer.toString());
    assertEquals(ASCII.length(), copied);

    StringWriter writer2 = new StringWriter();
    copied = CharStreams.copy(new StringReader(I18N), writer2);
    assertEquals(I18N, writer2.toString());
    assertEquals(I18N.length(), copied);
  }

		buffer := make([]byte, test.blocksize, 2*test.blocksize)
		writers := make([]io.Writer, len(disks))
		for i, disk := range disks {
			writers[i] = newBitrotWriter(disk, "", "testbucket", "object", erasure.ShardFileSize(test.data), writeAlgorithm, erasure.ShardSize())
		}
		n, err := erasure.Encode(t.Context(), bytes.NewReader(data), writers, buffer, erasure.dataBlocks+1)
		closeBitrotWriters(writers)
		if err != nil {

		}
		writers := make([]io.Writer, len(disks))
		for i, disk := range disks {
			if disk == OfflineDisk {
				continue
			}
			writers[i] = newBitrotWriter(disk, "", "testbucket", "object", erasure.ShardFileSize(int64(len(data[test.offset:]))), test.algorithm, erasure.ShardSize())
		}
		n, err := erasure.Encode(t.Context(), bytes.NewReader(data[test.offset:]), writers, buffer, erasure.dataBlocks+1)

		buffer := make([]byte, test.blocksize, 2*test.blocksize)
		writers := make([]io.Writer, len(disks))
		for i, disk := range disks {
			writers[i] = newBitrotWriter(disk, "", "testbucket", "testobject", erasure.ShardFileSize(test.size), test.algorithm, erasure.ShardSize())
		}
		_, err = erasure.Encode(t.Context(), bytes.NewReader(data), writers, buffer, erasure.dataBlocks+1)
		closeBitrotWriters(writers)
		if err != nil {

				// Check same i
			} else {
				if lri.Writer {
					writers++
				} else {
					readers++
				}
				// Move to next
				i++
			}
		}
		if modified {
			l.lockMap[k] = lris
		}
	}
	t := time.Now()
	l.lastCleanup.Store(&t)
	l.readers.Store(readers)
	l.writers.Store(writers)
}

func newLocker() *localLocker {
	return &localLocker{

		runtime.GOMAXPROCS(gomaxprocs)
		// Number of active readers + 10000 * number of active writers.
		var activity int32
		cdone := make(chan bool)
		go writer(resource, numIterations, &activity, cdone)
		var i int
		for i = 0; i < numReaders/2; i++ {
			go reader(resource, numIterations, &activity, cdone)
		}
		go writer(resource, numIterations, &activity, cdone)
		for ; i < numReaders; i++ {

func closeBitrotReaders(rs []io.ReaderAt) {
	for _, r := range rs {
		if r != nil {
			if br, ok := r.(io.Closer); ok {
				br.Close()
			}
		}
	}
}

// Close all the writers.
func closeBitrotWriters(ws []io.Writer) []error {
	errs := make([]error, len(ws))
	for i, w := range ws {
		if w == nil {
			errs[i] = errDiskNotFound
			continue
		}
		if bw, ok := w.(io.Closer); ok {

	runtime.GOMAXPROCS(gomaxprocs)
	// Number of active readers + 10000 * number of active writers.
	var activity int32
	rwm := NewLRWMutex()
	cdone := make(chan bool)
	go writer(rwm, numIterations, &activity, cdone)
	var i int
	for i = 0; i < numReaders/2; i++ {
		go reader(rwm, numIterations, &activity, cdone)
	}
	go writer(rwm, numIterations, &activity, cdone)
	for ; i < numReaders; i++ {