b, ok := rd.(*Reader)
	if ok && len(b.buf) >= size {
		return b
	}
	r := new(Reader)
	r.reset(make([]byte, max(size, minReadBufferSize)), rd)
	return r
}

// NewReader returns a new [Reader] whose buffer has the default size.
func NewReader(rd io.Reader) *Reader {
	return NewReaderSize(rd, defaultBufSize)
}

// Size returns the size of the underlying buffer in bytes.
func (b *Reader) Size() int { return len(b.buf) }

	"unicode/utf8"

	"github.com/minio/madmin-go/v3/estream"
)

type keepFileErr struct {
	error
}

func extractInspectV2(pks [][]byte, r io.Reader, extractDir string) error {
	sr, err := estream.NewReader(r)
	if err != nil {
		return err
	}
	for _, pk := range pks {
		privKey, err := bytesToPrivateKey(pk)
		if err != nil {
			return fmt.Errorf("decoding key returned: %w", err)
		}
		sr.SetPrivateKey(privKey)

		Content: "Hello World", ETag: ETag{177, 10, 141, 177, 100, 224, 117, 65, 5, 183, 169, 155, 231, 46, 63, 229},
	},
}

func TestReader(t *testing.T) {
	for i, test := range readerTests {
		reader := NewReader(t.Context(), strings.NewReader(test.Content), test.ETag, nil)
		if _, err := io.Copy(io.Discard, reader); err != nil {
			t.Fatalf("Test %d: read failed: %v", i, err)
		}
		if ETag := reader.ETag(); !Equal(ETag, test.ETag) {

    File asciiFile = getTestFile("ascii.txt");
    assertThrows(NullPointerException.class, () -> Files.newReader(asciiFile, null));

    assertThrows(NullPointerException.class, () -> Files.newReader(null, UTF_8));

    BufferedReader r = Files.newReader(asciiFile, US_ASCII);
    try {
      assertEquals(ASCII, r.readLine());
    } finally {
      r.close();
    }
  }

	}
	body, err := json.Marshal(payload)
	if err != nil {
		return "", err
	}
	r, err := http.NewRequest(http.MethodPost, reqURL, bytes.NewReader(body))
	if err != nil {
		return "", err
	}

	r.Header.Set("Content-Type", "application/json")

	return c.submitPost(r)

		// Short Content-Md5 header.
		{mustNewSignedShortMD5Request(http.MethodPut, "http://127.0.0.1:9000/", 5, bytes.NewReader([]byte("hello")), t), ErrInvalidDigest},
		// When request is properly signed, but has bad Content-MD5 header.
		{mustNewSignedBadMD5Request(http.MethodPut, "http://127.0.0.1:9000/", 5, bytes.NewReader([]byte("hello")), t), ErrBadDigest},

	b, err := config.Bytes()
	if err != nil {
		return nil, nil, err
	}

	payloadSize := int64(len(b))
	br := bytes.NewReader(b)
	hr, err := hash.NewReader(ctx, br, payloadSize, "", "", payloadSize)
	if err != nil {
		return nil, nil, err
	}
	if GlobalKMS == nil {
		return NewPutObjReader(hr), &ObjectOptions{MaxParity: true}, nil
	}

		}

		for _, object := range testCase.objectToUploads {
			md5Bytes := md5.Sum([]byte(object.content))
			oi, err := obj.PutObject(context.Background(), testCase.bucketName, object.name, mustGetPutObjReader(t, strings.NewReader(object.content),
				int64(len(object.content)), hex.EncodeToString(md5Bytes[:]), ""), ObjectOptions{})
			if err != nil {
				t.Log(oi)
				t.Fatalf("%s : %s", instanceType, err.Error())
			}
		}

// to perform all operations defined in the WarmBackend interface.
func checkWarmBackend(ctx context.Context, w WarmBackend) error {
	remoteVersionID, err := w.Put(ctx, probeObject, strings.NewReader("MinIO"), 5)
	if err != nil {
		if _, ok := err.(BackendDown); ok {
			return err
		}
		return tierPermErr{
			Op:  tierPut,
			Err: err,
		}
	}

func (restClient *ReconnectRESTClient) Call(method string, args LockArgs) (status bool, err error) {
	buf, err := args.MarshalMsg(nil)
	if err != nil {
		return false, err
	}
	body := bytes.NewReader(buf)
	respBody, err := restClient.rest.Call(context.Background(), method,
		url.Values{}, body, body.Size())
	defer xhttp.DrainBody(respBody)

	switch toLockError(err) {
	case nil:
		return true, nil