t.Errorf("got %s; want %s", toJSONString(got2), toJSONString(want2))
	}

	var got3 []Level2
	if err := DB.Preload("Level1s").Find(&got3, "value IN (?)", []string{"Bob", "Tom"}).Error; err != nil {
		t.Error(err)
	}

	if !reflect.DeepEqual(got3, []Level2{got, got2}) {
		t.Errorf("got %s; want %s", toJSONString(got3), toJSONString([]Level2{got, got2}))
	}

	var got4 []Level2

			}

			var (
				sizeS sizeSummary
				gots  []ObjectInfo
			)
			item.applyActions(t.Context(), objAPI, test.objInfos, test.lr, &sizeS, func(oi ObjectInfo, sz, _ int64, _ *sizeSummary) {
				if sz != 0 {
					gots = append(gots, oi)
				}
			})

			if len(gots) != len(test.wants) {
				t.Fatalf("Expected %d objects but got %d", len(test.wants), len(gots))
			}

		t.Run(w.path, func(t *testing.T) {
			e := got.find(w.path)
			if w.path == "flat" {
				f := got.flatten(*got.root())
				e = &f
			}
			if w.isNil {
				if e != nil {
					t.Error("want nil, got", e)
				}
				return
			}
			if e == nil {
				t.Fatal("got nil result")
				return
			}
			if e.Size != int64(w.size) {
				t.Error("got size", e.Size, "want", w.size)
			}

	entries.forwardTo("src/compress/zlib/reader_test.go")
	got := entries.entries().names()
	if !reflect.DeepEqual(got, want) {
		t.Errorf("got unexpected result: %#v", got)
	}

	// Try with prefix
	entries = org
	entries.forwardTo("src/compress/zlib/reader_t")
	got = entries.entries().names()
	if !reflect.DeepEqual(got, want) {
		t.Errorf("got unexpected result: %#v", got)
	}
}

	} else if len(langs) != 1 {
		t.Errorf("should only find only 1 languages, but got %+v", langs)
	}

	lang3 := Language{Code: "upsert", Name: "Upsert"}
	if err := DB.Clauses(clause.OnConflict{
		Columns:   []clause.Column{{Name: "code"}},
		DoUpdates: clause.Assignments(map[string]interface{}{"name": "upsert-new"}),
	}).Create(&lang3).Error; err != nil {
		t.Fatalf("failed to upsert, got %v", err)
	}

		if testCase.errStr != "" {
			got := releaseTimeToReleaseTag(testCase.t)
			if got != testCase.tag && testCase.errStr == "" {
				t.Errorf("Test %d: Expected %v but got %v", i+1, testCase.tag, got)
			}
		}
		tagTime, err := releaseTagToReleaseTime(testCase.tag)
		if err != nil && err.Error() != testCase.errStr {
			t.Errorf("Test %d: Expected %v but got %v", i+1, testCase.errStr, err.Error())
		}

		t.Fatalf("failed to find user, got error: %v", err)
	} else if u.Name != user.Name || u.ID != user.ID {
		t.Errorf("found invalid user, got %v, expect %v", u, user)
	}

	if u, err := gorm.G[User](DB).Where("name = ?", user.Name).Take(ctx); err != nil {
		t.Fatalf("failed to find user, got error: %v", err)
	} else if u.Name != user.Name || u.ID != user.ID {
		t.Errorf("found invalid user, got %v, expect %v", u, user)
	}

	}

	member.Profile = Profile{}
	DB.Model(&member).Update("Refer", 100)

	var profile2 Profile
	if err := DB.First(&profile2, "id = ?", profile.ID).Error; err != nil {
		t.Fatalf("failed to find profile, got error: %v", err)
	} else if profile2.MemberID != 100 {
		t.Fatalf("member id is not equal: expects: %v, got: %v", 100, profile2.MemberID)
	}

	}

	var result ScannerValuerStruct

	if err := DB.Find(&result, "id = ?", data.ID).Error; err != nil {
		t.Fatalf("no error should happen when query scanner, valuer struct, but got %v", err)
	}

	if result.ExampleStructPtr.Val != "value2" {
		t.Errorf(`ExampleStructPtr.Val should equal to "value2", but got %v`, result.ExampleStructPtr.Val)
	}

		t.Errorf("no error should happen when auto migrate, but got %v", err)
	}

	if err := DB.Create(&EmptyStruct{}).Error; err != nil {
		t.Errorf("No error should happen when creating user, but got %v", err)
	}
}

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)
	}