// we should panic if the repeat will generate an overflow.
	// See golang.org/issue/16237.
	if count < 0 {
		panic("bytes: negative Repeat count")
	}
	hi, lo := bits.Mul(uint(len(b)), uint(count))
	if hi > 0 || lo > uint(maxInt) {
		panic("bytes: Repeat output length overflow")
	}
	n := int(lo) // lo = len(b) * count

	if len(b) == 0 {
		return []byte{}
	}

	case float64:
		expAt, err = int64(exp), nil
	case int64:
		expAt, err = exp, nil
	case int:
		expAt, err = int64(exp), nil
	case uint64:
		expAt, err = int64(exp), nil
	case uint:
		expAt, err = int64(exp), nil
	case json.Number:
		expAt, err = exp.Int64()
	case time.Duration:
		expAt, err = time.Now().UTC().Add(exp).Unix(), nil
	case nil:
		expAt, err = 0, nil
	default:

	AssertAssociationCount(t, users, "Toys", 0, "After Clear")
}

func TestHasManyAssociationUnscoped(t *testing.T) {
	type ItemContent struct {
		gorm.Model
		ItemID       uint   `gorm:"not null"`
		Name         string `gorm:"not null;type:varchar(50)"`
		LanguageCode string `gorm:"not null;type:varchar(2)"`
	}
	type Item struct {
		gorm.Model

	user := *GetUser("update_column_skips_association", Config{})
	DB.Create(&user)

	// Update a single field of the user and verify that the changed address is not stored.
	newAge := uint(100)
	user.Account.Number = "new_account_number"
	db := DB.Model(&user).UpdateColumns(User{Age: newAge})

	if db.RowsAffected != 1 {
		t.Errorf("Expected RowsAffected=1 but instead RowsAffected=%v", db.RowsAffected)

		t.Errorf("belongs to association should be saved")
	}
}

func TestUpdateWithMissWhere(t *testing.T) {
	type User struct {
		ID   uint   `gorm:"column:id;<-:create"`
		Name string `gorm:"column:name"`
	}
	user := User{ID: 1, Name: "king"}
	tx := DB.Session(&gorm.Session{DryRun: true}).Save(&user)

	if err := tx.Error; err != nil {

		// Call back.
		fn(string(key), val)
	}
	return nil
}

const (
	xlHeaderVersion = 3
	xlMetaVersion   = 3
)

type xlHeaders struct {
	versions           int
	headerVer, metaVer uint
}

func decodeXLHeaders(buf []byte) (x xlHeaders, b []byte, err error) {
	x.headerVer, buf, err = msgp.ReadUintBytes(buf)
	if err != nil {
		return x, buf, err
	}

			s.end -= s.start
			s.start = 0
		}
		// Is the buffer full? If so, resize.
		if s.end == len(s.buf) {
			// Guarantee no overflow in the multiplication below.
			const maxInt = int(^uint(0) >> 1)
			if len(s.buf) >= s.maxTokenSize || len(s.buf) > maxInt/2 {
				s.setErr(ErrTooLong)
				return false
			}
			newSize := len(s.buf) * 2
			if newSize == 0 {
				newSize = startBufSize
			}

	if !regexp.MustCompile(`.*age.*=0.123457,`).MatchString(sql) {
		t.Errorf("Failed to generate sql, got %v", sql)
	}
}

func TestGroupConditions(t *testing.T) {
	type Pizza struct {
		ID   uint
		Name string
		Size string
	}
	dryRunDB := DB.Session(&gorm.Session{DryRun: true})

	stmt := dryRunDB.Where(
		DB.Where("pizza = ?", "pepperoni").Where(DB.Where("size = ?", "small").Or("size = ?", "medium")),

var ErrTooLarge = errors.New("bytes.Buffer: too large")
var errNegativeRead = errors.New("bytes.Buffer: reader returned negative count from Read")

const maxInt = int(^uint(0) >> 1)

// Bytes returns a slice of length b.Len() holding the unread portion of the buffer.
// The slice is valid for use only until the next buffer modification (that is,

	defer func() {
		if err := recover(); err != ErrTooLarge {
			t.Errorf("after too-large Grow, recover() = %v; want %v", err, ErrTooLarge)
		}
	}()

	buf := NewBuffer(make([]byte, 1))
	const maxInt = int(^uint(0) >> 1)
	buf.Grow(maxInt)
}

// Was a bug: used to give EOF reading empty slice at EOF.
func TestReadEmptyAtEOF(t *testing.T) {
	b := new(Buffer)
	slice := make([]byte, 0)
	n, err := b.Read(slice)