"gorm.io/gorm"
)

func TestOpen(t *testing.T) {
	dsn := "gorm:gorm@tcp(localhost:9910)/gorm?loc=Asia%2FHongKong" // invalid loc
	_, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
	if err == nil {
		t.Fatalf("should returns error but got nil")
	}
}

func TestReturningWithNullToZeroValues(t *testing.T) {
	dialect := DB.Dialector.Name()
	switch dialect {
	case "mysql", "sqlserver":

		t.Error(err)
	}

	lvl := &Level3{}
	if err := DB.Save(lvl).Error; err != nil {
		t.Error(err)
	}

	sublvl1 := &Level4{Level3ID: lvl.ID}
	if err := DB.Save(sublvl1).Error; err != nil {
		t.Error(err)
	}
	sublvl2 := &Level4{Level3ID: lvl.ID}
	if err := DB.Save(sublvl2).Error; err != nil {
		t.Error(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)
}

	if err != nil {
		adminLogIf(ctx, err)
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrAdminConfigBadJSON), r.URL)
		return
	}

	subSys, _, _, err := config.GetSubSys(string(kvBytes))
	if err != nil {
		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	cfg, err := readServerConfig(ctx, objectAPI, nil)
	if err != nil {

	if err := xml.NewDecoder(reader).Decode(&config); err != nil {
		return nil, err
	}

	if err := config.Validate(region, targetList); err != nil {
		return nil, err
	}

	config.SetRegion(region)
	// If xml namespace is empty, set a default value before returning.
	if config.XMLNS == "" {
		config.XMLNS = "http://s3.amazonaws.com/doc/2006-03-01/"
	}
	return &config, nil

			return nil, nil, fmt.Errorf("want crc len 4, got %v", len(h))
		}
		got := uint32(xxh3.Hash(b[:len(b)-hashLen]))
		want := binary.LittleEndian.Uint32(h[len(h)-hashLen:])
		if got != want {
			return nil, nil, fmt.Errorf("crc mismatch: 0x%08x (given) != 0x%08x (bytes)", want, got)
		}
		h = h[:len(h)-hashLen]
	}
	// Extract subroute if any.
	if m.Flags&FlagSubroute != 0 {
		if len(h) < 32 {

				// filtering requested to return by caller.
				return nil
			}
		}
	}
	return nil
}

// Return entries at the directory dirPath.
func readDirWithOpts(dirPath string, opts readDirOpts) (entries []string, err error) {
	d, err := Open(dirPath)
	if err != nil {
		return nil, osErrToFileErr(err)
	}
	defer d.Close()

	maxEntries := 1000

						conn.Close()
						return nil, err
					}
				} else {
					if _, err = conn.Do("AUTH", args.Password); err != nil {
						conn.Close()
						return nil, err
					}
				}
			}

			// Must be done after AUTH
			if _, err = conn.Do("CLIENT", "SETNAME", "MinIO"); err != nil {
				conn.Close()
				return nil, err
			}

			return conn, nil

		if !readTrigger {
			continue
		}
		wg.Add(1)
		go func(i int) {
			defer wg.Done()
			rr := p.readers[i]
			if rr == nil {
				// Since reader is nil, trigger another read.
				readTriggerCh <- true
				return
			}
			bufIdx := p.readerToBuf[i]
			if p.buf[bufIdx] == nil {
				// Reading first time on this disk, hence the buffer needs to be allocated.
				// Subsequent reads will reuse this buffer.

				return nil
			}
			gc := gridConn.Load()
			if gc != nil {
				return gc
			}
			gm := globalGrid.Load()
			if gm == nil {
				return nil
			}
			gc = gm.Connection(node.GridHost)
			if gc == nil {