})
	}

	if !reflect.DeepEqual(got, want) {
		t.Errorf("got %s; want %s", toJSONString(got), toJSONString(want))
	}
}

func TestPreloadManyToManyCallbacks(t *testing.T) {
	type (
		Level2 struct {
			ID   uint
			Name string
		}
		Level1 struct {
			ID      uint
			Name    string
			Level2s []Level2 `gorm:"many2many:level1_level2s"`