type concErr struct {
	errMap     map[string]error
	summaryErr error
}

func (c concErr) Error() string {
	if c.summaryErr != nil {
		return c.summaryErr.Error()
	}
	return "<nil>"
}

func (c concErr) Unwrap() error {
	return c.summaryErr
}

func (c *SiteReplicationSys) toErrorFromErrMap(errMap map[string]error, actionName string) error {
	if len(errMap) == 0 {
		return nil

		res, ok := matcher(tc.iText, tc.iPat, tc.iHasLeadingPercent)
		if res != tc.resultExpected || ok != tc.matchExpected {
			t.Errorf("Matcher Case %d failed", i)
		}
	}

	evalCases := []struct {
		iText, iPat   string
		iEsc          rune
		matchExpected bool
		errExpected   error
	}{
		{"abcd", "abc", runeZero, false, nil},
		{"abcd", "abcd", runeZero, true, nil},
		{"abcd", "abc_", runeZero, true, nil},

// The remaining payload and versions are returned.
func checkXL2V1(buf []byte) (payload []byte, major, minor uint16, err error) {
	if len(buf) <= 8 {
		return payload, 0, 0, fmt.Errorf("xlMeta: no data")
	}

	if !bytes.Equal(buf[:4], xlHeader[:]) {
		return payload, 0, 0, fmt.Errorf("xlMeta: unknown XLv2 header, expected %v, got %v", xlHeader[:4], buf[:4])
	}

	if bytes.Equal(buf[4:8], []byte("1   ")) {

		}
		return errorf("%v: %w", cmd, err)
	}

	parts := strings.SplitN(string(bytes.TrimSpace(out)), ":", 4)
	if len(parts) < 2 {
		return errorf("%v: missing ':' in output: %q", cmd, out)
	}
	importPath = parts[0]
	if importPath == "" || importPath == "." {
		return errorf("current directory does not have a Go import path")
	}
	isStd, err = strconv.ParseBool(parts[1])
	if err != nil {

			tx.Rollback()
		}
	}()
	if err := tx.Error; err != nil {
		t.Errorf("Failed to start transaction, got error %v\n", err)
	}

	if err := tx.Where("name=?", "zzjin").Delete(&User{}).Error; err != nil {
		tx.Rollback()
		t.Errorf("Failed to run one transaction, got error %v\n", err)
	}

	if err := tx.Create(&User{Name: "zzjin"}).Error; err != nil {
		tx.Rollback()
		t.Errorf("Failed to run one transaction, got error %v\n", err)

func (b RawJSON) MarshalJSON() ([]byte, error) {
	return b, nil
}

// Record - is JSON record.
type Record struct {
	// Used in Set(), Marshal*()
	KVS jstream.KVS

	SelectFormat sql.SelectObjectFormat
}

// Get - gets the value for a column name.
func (r *Record) Get(name string) (*sql.Value, error) {
	// Get is implemented directly in the sql package.
	return nil, errors.New("not implemented here")
}

			}
			_, err = io.Copy(io.Discard, r)
			if err != nil {
				if testCase.err == nil {
					t.Errorf("Test %q; got unexpected error: %v", testCase.desc, err)
					return
				}
				if err.Error() != testCase.err.Error() {
					t.Errorf("Test %q: Expected error %s, got error %s", testCase.desc, testCase.err, err)
				}
			}
		})
	}
}

	netns, err := runInHost(func() (string, error) { return getPodNetNs(pod) })
	if err != nil {
		m.With(resultLabel.Value(resultFail)).Increment()
		return fmt.Errorf("get netns: %v", err)
	}
	log = log.WithLabels("netns", netns)

	if err := redirectRunningPod(pod, netns); err != nil {
		log.Errorf("failed to setup redirection: %v", err)
		m.With(resultLabel.Value(resultFail)).Increment()

	if j == -1 {
		return nil, fmt.Errorf("webhook URL %s is malformed", u)
	}
	ret.gcpProject = u.Path[i : i+j]

	const crSeg = "/ISTIO_META_CLOUDRUN_ADDR/"
	i += j
	j = strings.Index(u.Path[i:], crSeg)
	if j == -1 {
		return nil, fmt.Errorf("webhook URL %s is missing %s", u, crSeg)
	}
	ret.istiod = u.Path[i+j+len(crSeg):]

	return ret, nil

			gotMeta, dangling := isObjectDangling(testCase.metaArr, testCase.errs, testCase.dataErrs)
			if !gotMeta.Equals(testCase.expectedMeta) {
				t.Errorf("Expected %#v, got %#v", testCase.expectedMeta, gotMeta)
			}
			if dangling != testCase.expectedDangling {
				t.Errorf("Expected dangling %t, got %t", testCase.expectedDangling, dangling)
			}
		})
	}
}

// Tests both object and bucket healing.