t.Errorf("test %d, canary byte unexpectedly consumed", i)
		}
	}
}

// testNonEmptyReader wraps an io.Reader and ensures that
// Read is never called with an empty buffer.
type testNonEmptyReader struct{ io.Reader }

func (r testNonEmptyReader) Read(b []byte) (int, error) {
	if len(b) == 0 {
		return 0, errors.New("unexpected empty Read call")
	}
	return r.Reader.Read(b)
}

		}
	}
	if entries.len() != len(want) {
		t.Fatal("unexpected length:", entries.len(), "want:", len(want))
	}

	want = want[:0]
	entries, err = r.readN(0, false, true, false, "")
	if err != nil {
		t.Fatal(err, entries.len())
	}
	if entries.len() != len(want) {
		t.Fatal("unexpected length:", entries.len(), "want:", len(want))
	}

	// Reload.
	r = loadMetacacheSample(t)

	err := storage.AppendFile(t.Context(), "foo", "myobject", []byte("foo"))
	if err != nil {
		t.Fatalf("unexpected error %v", err)
	}

	err = storage.AppendFile(t.Context(), "foo", "otherobject", []byte("foo"))
	if err != nil {
		t.Fatalf("unexpected error %v", err)
	}

	testCases := []struct {
		volumeName     string
		objectName     string
		destVolumeName string

	}
	w := NewWriter(&buf)
	if _, err := w.CreateHeader(h); err != nil {
		t.Fatalf("unexpected CreateHeader error: %v", err)
	}
	if err := w.Close(); err != nil {
		t.Fatalf("unexpected Close error: %v", err)
	}

	want, err := os.ReadFile("testdata/time-go.zip")
	if err != nil {
		t.Fatalf("unexpected ReadFile error: %v", err)
	}
	if got := buf.Bytes(); !bytes.Equal(got, want) {

						if err := tw.WriteHeader(file.hdr); err != nil {
							b.Errorf("unexpected WriteHeader error: %v", err)
						}
						if _, err := tw.Write(file.body); err != nil {
							b.Errorf("unexpected Write error: %v", err)
						}
					}
					if err := tw.Close(); err != nil {
						b.Errorf("unexpected Close error: %v", err)
					}
				}
			})
		}
	})

		{maxPartSz, mkSPObj(maxPartSz)},
	}

	for i, test := range testSP {
		{
			// nil range
			o, l, skip, sn, ps, err := test.oi.GetDecryptedRange(nil)
			if err != nil {
				t.Errorf("Case %d: unexpected err: %v", i, err)
			}
			if skip != 0 || sn != 0 || ps != 0 || o != 0 || l != getEncSize(test.decSz) {
				t.Errorf("Case %d: test failed: %d %d %d %d %d", i, o, l, skip, sn, ps)
			}
		}

			}
		} else {
			if errors[fileline] != "" {
				t.Errorf("unexpected error on %s: %v", fileline, errors[fileline])
			}
		}
		delete(errors, fileline)
	}
	var extra []string
	for key := range errors {
		extra = append(extra, key)
	}
	sort.Strings(extra)
	for _, fileline := range extra {
		t.Errorf("unexpected error on %s: %v", fileline, errors[fileline])
	}
}

	got := entries.entries().names()
	if !reflect.DeepEqual(got, want) {
		t.Errorf("got unexpected result: %#v", got)
	}

	// Try with prefix
	entries = org
	entries.forwardTo("src/compress/zlib/reader_t")
	got = entries.entries().names()
	if !reflect.DeepEqual(got, want) {
		t.Errorf("got unexpected result: %#v", got)
	}
}

func Test_metaCacheEntries_merge(t *testing.T) {

		t.Fatal("Unexpected success")
	}

	formats[0] = nil
	quorumFormat, err = getFormatErasureInQuorum(formats)
	if err != nil {
		t.Fatal(err)
	}

	badFormat := *quorumFormat
	badFormat.Erasure.Sets = nil
	if err = formatErasureV3Check(quorumFormat, &badFormat); err == nil {
		t.Fatal("Unexpected success")
	}

	badFormatUUID := *quorumFormat

		code:       "ParseUnexpectedOperator",
		message:    "The SQL expression contains an unexpected operator.",
		statusCode: 400,
		cause:      err,
	}
}

func errParseUnexpectedTerm(err error) *s3Error {
	return &s3Error{
		code:       "ParseUnexpectedTerm",
		message:    "The SQL expression contains an unexpected term.",
		statusCode: 400,
		cause:      err,
	}
}