}

func TestWriterReset(t *testing.T) {
	var buf1, buf2, buf3, buf4, buf5 strings.Builder
	w := NewWriter(&buf1)
	w.WriteString("foo")

	w.Reset(&buf2) // and not flushed
	w.WriteString("bar")
	w.Flush()
	if buf1.String() != "" {
		t.Errorf("buf1 = %q; want empty", buf1.String())
	}
	if buf2.String() != "bar" {
		t.Errorf("buf2 = %q; want bar", buf2.String())
	}

	return func(b *testing.B, n int) {
		buf := bmbuf[0:n]
		o := copy(buf, uchars)
		for o < len(buf) {
			o += copy(buf[o:], uchars)
		}

		// Make space for the needle rune at the end of buf.
		m := utf8.RuneLen(needle)
		for o := m; o > 0; {
			_, sz := utf8.DecodeLastRune(buf)
			copy(buf[len(buf)-sz:], "\x00\x00\x00\x00")
			buf = buf[:len(buf)-sz]
			o -= sz
		}

	stat, err := f.Stat()
	if err != nil {
		buf, err = io.ReadAll(f)
		return buf, dmTime, osErrToFileErr(err)
	}
	if stat.IsDir() {
		return nil, dmTime, errFileNotFound
	}

	// Read into appropriate buffer.
	sz := stat.Size()
	if sz <= metaDataReadDefault {
		buf = metaDataPoolGet()
		buf = buf[:sz]
	} else {
		buf = make([]byte, sz)
	}

	// Read file...

		// We use 2 buffers, so we always have a full buffer of input.
		pool := globalBytePoolCap.Load()
		bufA := pool.Get()
		bufB := pool.Get()
		defer pool.Put(bufA)
		defer pool.Put(bufB)
		ra, err := readahead.NewReaderBuffer(data, [][]byte{bufA[:fi.Erasure.BlockSize], bufB[:fi.Erasure.BlockSize]})
		if err == nil {
			toEncode = ra
			defer ra.Close()
		}
		bugLogIf(ctx, err)
	}

                MessageBuilder buff = MessageUtils.builder();
                buff.a("Message styles: ");
                buff.trace("trace").a(' ');
                buff.debug("debug").a(' ');
                buff.info("info").a(' ');
                buff.warning("warning").a(' ');
                buff.error("error").a(' ');
                buff.success("success").a(' ');

        StringBuilder buf = null;
        XPathNodes list = null;
        try {
            list = getXPathAPI().selectNodeList(document, xpath);
            for (int i = 0; i < list.size(); i++) {
                if (buf == null) {
                    buf = new StringBuilder(1000);
                }
                Node node = list.get(i).cloneNode(true);

	// We have however a dynamic downstream buffer (ch).
	buf := bytes.NewBuffer(grid.GetByteBuffer())
	enc := json.NewEncoder(buf)
	tmpEvt := struct{ Records []event.Event }{[]event.Event{{}}}
	for {
		select {
		case <-ctx.Done():
			grid.PutByteBuffer(buf.Bytes())
			return nil
		case ev := <-ch:
			buf.Reset()
			tmpEvt.Records[0] = ev
			if err := enc.Encode(tmpEvt); err != nil {

					}
					fanOutEntries = append(fanOutEntries, m)
				}
				part.Close()
				continue
			}

			buf := bytebufferpool.Get()
			// value, store as string in memory
			n, err := io.CopyN(buf, part, maxMemoryBytes+1)
			value := buf.String()
			buf.Reset()
			bytebufferpool.Put(buf)
			part.Close()

			if err != nil && err != io.EOF {
				apiErr := errorCodes.ToAPIErr(ErrMalformedPOSTRequest)

				if err == io.ErrUnexpectedEOF {
					if !bytes.Equal(testCase.expectedBuf, buf[:n]) {
						t.Errorf("Case: %d %#v, expected: \"%s\", got: \"%s\"", i+1, testCase, string(testCase.expectedBuf), string(buf[:n]))
					}
					if n > int64(len(buf)) {
						t.Errorf("Case: %d %#v, expected: %d, got: %d", i+1, testCase, testCase.bufSize, n)
					}
				}
			}

		Status:     madmin.AccountEnabled,
	}
	buf, err := json.Marshal(reqBodyArg)
	if err != nil {
		c.Fatalf("unexpected json encode err: %v", err)
	}
	buf, err = madmin.EncryptData(secretKey, buf)
	if err != nil {
		c.Fatalf("unexpected encryption err: %v", err)
	}

	req.ContentLength = int64(len(buf))
	sum := sha256.Sum256(buf)
	req.Header.Set("X-Amz-Content-Sha256", hex.EncodeToString(sum[:]))