return nil, err
	}
	if debugReqs {
		fmt.Println(m.MuxID, m.parent.String(), "SEND")
	}
	// Wait for response or context.
	select {
	case v, ok := <-ch:
		if !ok {
			return nil, ErrDisconnected
		}
		if debugReqs && v.Err != nil {
			v.Err = fmt.Errorf("%d %s RESP ERR: %w", m.MuxID, m.parent.String(), v.Err)
		}
		return v.Msg, v.Err
	case <-ctx.Done():
		if debugReqs {

			inputXML: ` <Filter>
						<Tag>
							<Key>key1</Key>
							<Value>value1</Value>
						</Tag>
						</Filter>`,
			expectedErr: nil,
		},
		{ // Filter with Prefix tag
			inputXML: ` <Filter>
							<Prefix>key-prefix</Prefix>
						</Filter>`,
			expectedErr: nil,
		},
		{ // Filter without And and multiple Tag tags
			inputXML: ` <Filter>
							<Prefix>key-prefix</Prefix>
							<Tag>

	}
	gridLogIf(m.ctx, m.parent.queueMsg(msg, nil))
}

func (m *muxServer) close() {
	m.cancel()
	m.recvMu.Lock()
	defer m.recvMu.Unlock()

	if m.inbound != nil {
		xioutil.SafeClose(m.inbound)
		m.inbound = nil
	}

	if m.outBlock != nil {
		xioutil.SafeClose(m.outBlock)
		m.outBlock = nil

	}

		Age:      330,
		Birthday: Now(),
		Active:   true,
	}}

	if err := DB.Create(&users).Error; err != nil {
		t.Errorf("errors happened when create: %v", err)
	}

	var name string
	var total int
	if err := DB.Model(&User{}).Select("name, sum(age)").Where("name = ?", "groupby").Group("name").Row().Scan(&name, &total); err != nil {
		t.Errorf("no error should happen, but got %v", err)
	}

	if name != "groupby" || total != 60 {

	pr.mu.Lock()
	defer pr.mu.Unlock()
	if pr.rc == nil {
		return 0, io.EOF
	}
	return pr.rc.Read(p)
}

func (pr *syncReadCloser) Close() error {
	pr.mu.Lock()
	defer pr.mu.Unlock()
	if pr.rc != nil {
		err := pr.rc.Close()
		pr.rc = nil
		return err
	}
	return nil

		err := CheckPortAvailability(testCase.host, strconv.Itoa(testCase.port), TCPOptions{})
		switch {
		case testCase.expectedErr == nil:
			if err != nil {
				t.Fatalf("error: expected = <nil>, got = %v", err)
			}
		case err == nil:
			t.Fatalf("error: expected = %v, got = <nil>", testCase.expectedErr)
		case testCase.expectedErr.Error() != err.Error():
			t.Fatalf("error: expected = %v, got = %v", testCase.expectedErr, err)

	"fmt"
	"regexp"
	"strings"
	"testing"

	"github.com/jinzhu/now"
	"gorm.io/gorm/logger"
)

type JSON json.RawMessage

func (j JSON) Value() (driver.Value, error) {
	if len(j) == 0 {
		return nil, nil
	}
	return json.RawMessage(j).MarshalJSON()
}

type ExampleStruct struct {
	Name string
	Val  string
}

func (s ExampleStruct) Value() (driver.Value, error) {
	return json.Marshal(s)
}

			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()

	if len(errs) != len(disks) {
		bugLogIf(GlobalContext, errors.New("unexpected drives/errors slice length"))
		return nil
	}
	newDisks := make([]StorageAPI, len(disks))
	for index := range errs {
		if errs[index] == nil {
			newDisks[index] = disks[index]
		} else {
			newDisks[index] = nil
		}
	}
	return newDisks
}

// Errors specifically generated by calculatePartSizeFromIdx function.
var (

func (h *Target) Send(ctx context.Context, entry interface{}) error {
	if h.status.Load() == statusClosed {
		if h.migrateTarget != nil {
			return h.migrateTarget.Send(ctx, entry)
		}
		return nil
	}

	h.logChMu.RLock()
	defer h.logChMu.RUnlock()
	if h.logCh == nil {
		// We are closing...
		return nil
	}

	select {
	case h.logCh <- entry:
		h.totalMessages.Add(1)
	case <-ctx.Done():