}
}

func TestCreateEmptySlice(t *testing.T) {
	data := []User{}
	if err := DB.Create(&data).Error; err != gorm.ErrEmptySlice {
		t.Errorf("no data should be created, got %v", err)
	}

	sliceMap := []map[string]interface{}{}
	if err := DB.Model(&User{}).Create(&sliceMap).Error; err != gorm.ErrEmptySlice {
		t.Errorf("no data should be created, got %v", err)
	}
}

	}
	AssertAssociationCount(t, user2, "Pets", 1, "after delete non-existing data")

	if err := DB.Model(&user2).Association("Pets").Delete(&pet2); err != nil {
		t.Fatalf("Error happened when delete Pets, got %v", err)
	}
	AssertAssociationCount(t, user2, "Pets", 0, "after delete")

	// Prepare Data for Clear
	if err := DB.Model(&user2).Association("Pets").Append(&pet); err != nil {

				f := joinFields[idx][len(joinFields[idx])-1]
				db.AddError(f.Set(db.Statement.Context, relValue, values[idx]))
			}
		}

		// release data to pool
		field.NewValuePool.Put(values[idx])
	}
}

// ScanMode scan data mode
type ScanMode uint8

// scan modes
const (
	ScanInitialized         ScanMode = 1 << 0 // 1
	ScanUpdate              ScanMode = 1 << 1 // 2

package schema_test

import (
	"sync"
	"testing"

	"gorm.io/gorm"
	"gorm.io/gorm/schema"
)

func checkStructRelation(t *testing.T, data interface{}, relations ...Relation) {
	if s, err := schema.Parse(data, &sync.Map{}, schema.NamingStrategy{}); err != nil {
		t.Errorf("Failed to parse schema, got error %v", err)
	} else {
		for _, rel := range relations {
			checkSchemaRelation(t, s, rel)
		}
	}
}

	}

	harumph := Harumph{}
	if err := DB.Create(&harumph).Error; err == nil {
		t.Fatalf("should failed to create data, name can't be blank")
	}

	harumph = Harumph{Name: "jinzhu"}
	if err := DB.Create(&harumph).Error; err != nil {
		t.Fatalf("should be able to create data, but got %v", err)
	}

	var result Harumph
	if err := DB.First(&result, "id = ?", harumph.ID).Error; err != nil || harumph.Name != "jinzhu" {

				err = e
			}
		}

		if len(data.err) > 0 && err == nil {
			t.Errorf("callbacks tests #%v should got error %v, but not", idx+1, data.err)
		} else if len(data.err) == 0 && err != nil {
			t.Errorf("callbacks tests #%v should not got error, but got %v", idx+1, err)
		}

		if ok, msg := assertCallbacks(callbacks.Create(), data.results); !ok {
			t.Errorf("callbacks tests #%v failed, got %v", idx+1, msg)

	if product.Price != 150 || product.Code != "L1212" {
		t.Errorf("invalid data after update, got %+v", product)
	}

	// Code not changed, price should not change
	DB.Model(&product).Updates(map[string]interface{}{"Name": "Product New"})

	if product.Name != "Product New" || product.Price != 160 || product.Code != "L1212" {
		t.Errorf("invalid data after update, got %+v", product)
	}

	sql, _ := fc()
	fmt.Println(sql + ";")
	l.Interface.Trace(ctx, begin, fc, err)
}

// GormDataTypeInterface gorm data type interface
type GormDataTypeInterface interface {
	GormDBDataType(*gorm.DB, *schema.Field) string
}

// RunWithValue run migration with statement value

func (l *logger) Info(ctx context.Context, msg string, data ...interface{}) {
	if l.LogLevel >= Info {
		l.Printf(l.infoStr+msg, append([]interface{}{utils.FileWithLineNum()}, data...)...)
	}
}

// Warn print warn messages
func (l *logger) Warn(ctx context.Context, msg string, data ...interface{}) {
	if l.LogLevel >= Warn {
		l.Printf(l.warnStr+msg, append([]interface{}{utils.FileWithLineNum()}, data...)...)
	}
}

	// ErrSubQueryRequired sub query required
	ErrSubQueryRequired = errors.New("sub query required")
	// ErrInvalidData unsupported data
	ErrInvalidData = errors.New("unsupported data")
	// ErrUnsupportedDriver unsupported driver
	ErrUnsupportedDriver = errors.New("unsupported driver")
	// ErrRegistered registered
	ErrRegistered = errors.New("registered")