case !d.IsDir() && strings.HasPrefix(d.Name(), "z"):
			// Remove generated file, identified by marker string.
			head := make([]byte, 512)
			if f, err := os.Open(path); err == nil {
				io.ReadFull(f, head)
				f.Close()
			}
			if bytes.HasPrefix(head, generated) {
				xremove(path)
			}
		}
		return nil
	})

	if rebuildall {
		// Remove object tree.

			t.Fatalf("want position %d, got %d", target, pos)
		}

		// Read data from the new position.
		end := pos + 16
		if end > int64(len(buf)) {
			end = int64(len(buf))
		}
		n, err := io.ReadFull(sf, buf[pos:end])
		if err != nil {
			t.Fatal(err)
		}
		for i := 0; i < n; i++ {
			if !have[pos] {
				have[pos] = true
				count++
			}
			pos++
		}
	}

		t.Errorf("transcript incorrect: got %x, want %x", got, chacha8hash)
	}

	p.Seed(chacha8seed)
	h.Reset()

	buf = make([]byte, chacha8outlen)
	if _, err := io.ReadFull(iotest.OneByteReader(p), buf); err != nil {
		t.Errorf("one byte reads: %v", err)
	}
	h.Write(buf)
	if got := h.Sum(nil); !bytes.Equal(got, chacha8hash) {

	get := func(suffix string) string {
		res, err := ts.Client().Get(ts.URL + suffix)
		if err != nil {
			t.Fatalf("Get %s: %v", suffix, err)
		}
		b, err := io.ReadAll(res.Body)
		if err != nil {
			t.Fatalf("ReadAll %s: %v", suffix, err)
		}
		res.Body.Close()
		return string(b)
	}
	if s := get("/bar/"); !strings.Contains(s, ">foo.txt<") {

		t.Errorf("before reading body, Trailer = %#v; want %#v", g, e)
	}
	if cookie := res.Cookies()[0]; cookie.Name != "flavor" {
		t.Errorf("unexpected cookie %q", cookie.Name)
	}
	bodyBytes, _ := io.ReadAll(res.Body)
	if g, e := string(bodyBytes), backendResponse; g != e {
		t.Errorf("got body %q; expected %q", g, e)
	}
	if g, e := res.Trailer.Get("X-Trailer"), "trailer_value"; g != e {

	assert.Equal(t, http.StatusMethodNotAllowed, resp.StatusCode)
	body, err := io.ReadAll(resp.Body)
	require.NoError(t, err)
	assert.Equal(t, expectedResponse, string(body))

	resp, err = http.Post(fw.testHTTPServer.URL+path, "", nil)
	require.NoError(t, err)
	assert.Equal(t, http.StatusMethodNotAllowed, resp.StatusCode)
	body, err = io.ReadAll(resp.Body)
	require.NoError(t, err)

				ContentLength: int64(len(w.response)),
			}
			res, err := minio.NewSelectResults(&resp, "testbucket")
			if err != nil {
				t.Error(err)
				return
			}
			got, err := io.ReadAll(res)
			if err != nil {
				t.Error(err)
				return
			}
			gotS := strings.TrimSpace(string(got))
			if !reflect.DeepEqual(gotS, testCase.wantResult) {

	ctx := r.Context()

	objectAPI, _ := validateAdminReq(ctx, w, r, policy.AddUserToGroupAdminAction)
	if objectAPI == nil {
		return
	}

	data, err := io.ReadAll(r.Body)
	if err != nil {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
		return
	}

	var updReq madmin.GroupAddRemove
	err = json.Unmarshal(data, &updReq)
	if err != nil {

	if err != nil {
		return nil, err
	}

	newChunkHdr := []byte(fmt.Sprintf("%s"+s3ChunkSignatureStr+"%s\r\n",
		hexChunkSize, chunkSignature))
	newChunk, err := io.ReadAll(bufReader)
	if err != nil {
		return nil, err
	}
	newReq := req
	newReq.Body = io.NopCloser(
		bytes.NewReader(bytes.Join([][]byte{newChunkHdr, newChunk[:len(newChunk)/2]},
			[]byte(""))),
	)

	if err != nil {
		t.Fatalf("Failed to getLatestFileInfo - %v", err)
	}

	part1Disk1Origin, err := firstDisk.ReadAll(context.Background(), bucket, pathJoin(object, fi.DataDir, "part.1"))
	if err != nil {
		t.Fatalf("Failed to read a file - %v", err)
	}

	part1Disk2Origin, err := secondDisk.ReadAll(context.Background(), bucket, pathJoin(object, fi.DataDir, "part.1"))
	if err != nil {