if err := tw.WriteHeader(hdr); err != nil {
			t.Fatalf("WriteHeader() = %v, want nil", err)
		}
		if err := tw.Close(); err != nil {
			t.Fatalf("Close() = %v, want nil", err)
		}
		if _, err := tw.Write([]byte("Kilts")); err != ErrWriteAfterClose {
			t.Fatalf("Write() = %v, want %v", err, ErrWriteAfterClose)
		}
		if err := tw.Flush(); err != ErrWriteAfterClose {
			t.Fatalf("Flush() = %v, want %v", err, ErrWriteAfterClose)
		}

		IsRemove: true,
	})
	if err != nil {
		c.Fatalf("group update err: %v", err)
	}
	groups, err = s.adm.ListGroups(ctx)
	if err != nil {
		c.Fatalf("group list err: %v", err)
	}
	if set.CreateStringSet(groups...).Contains(group) {
		c.Fatalf("created group still present!")
	}
	_, err = s.adm.GetGroupDescription(ctx, group)
	if err == nil {
		c.Fatalf("group appears to exist")
	}
}

		t.Fatalf("Blog should has three tags after Append")
	}

	if count := DB.Model(&blog).Association("Tags").Count(); count != 3 {
		t.Fatalf("Blog should has 3 tags after Append, got %v", count)
	}

	var tags []Tag
	DB.Model(&blog).Association("Tags").Find(&tags)
	if !compareTags(tags, []string{"tag1", "tag2", "tag3"}) {
		t.Fatalf("Should find 3 tags")
	}

	var blog1 Blog

		).
		Update(ctx)
	if err != nil {
		t.Fatalf("Set Update failed: %v", err)
	}
	if rows != 1 {
		t.Fatalf("expected 1 row affected, got %d", rows)
	}

	nu, err := gorm.G[User](DB).Where("id = ?", u.ID).First(ctx)
	if err != nil {
		t.Fatalf("failed to query updated user: %v", err)
	}
	if nu.Name != newName || nu.Age != newAge {
		t.Fatalf("updated user mismatch, got %+v", nu)
	}
}

	if err := DB.Migrator().DropTable(allModels...); err != nil {
		t.Fatalf("Failed to drop table, got error %v", err)
	}

	if err := DB.AutoMigrate(allModels...); err != nil {
		t.Fatalf("Failed to auto migrate, got error %v", err)
	}

	if tables, err := DB.Migrator().GetTables(); err != nil {
		t.Fatalf("Failed to get database all tables, but got error %v", err)
	} else {

		t.Fatalf("no error should happen when migrate scanner, valuer struct, got error %v", err)
	}

	data := SerializerStruct{}

	if err := DB.Create(&data).Error; err != nil {
		t.Fatalf("failed to create data, got error %v", err)
	}

	var result SerializerStruct
	if err := DB.First(&result, data.ID).Error; err != nil {
		t.Fatalf("failed to query data, got error %v", err)
	}

		ipList, err := getHostIP(testCase.host)
		switch {
		case testCase.expectedErr == nil:
			if err != nil {
				t.Fatalf("error: expected = <nil>, got = %v", err)
			}
		case err == nil:
			t.Fatalf("error: expected = %v, got = <nil>", testCase.expectedErr)
		case testCase.expectedErr.Error() != err.Error():
			t.Fatalf("error: expected = %v, got = %v", testCase.expectedErr, err)
		}

		if testCase.expectedIPList != nil {

	if err != nil {
		t.Fatalf("open db failed: %v", err)
	}
	if err := db.AutoMigrate(&withResultUser{}); err != nil {
		t.Fatalf("migrate failed: %v", err)
	}

	ctx := context.Background()

	u := withResultUser{Name: "with-result-ok"}
	r := gorm.WithResult()
	if err := gorm.G[withResultUser](db, r).Create(ctx, &u); err != nil {
		t.Fatalf("create failed: %v", err)
	}
	if u.ID == 0 {

		w := NewWalker(nil, "testdata/src/pkg")
		pkg, err := w.import_(fi.Name())
		if err != nil {
			t.Fatalf("import %s: %v", fi.Name(), err)
		}
		w.export(pkg)

		if *updateGolden {
			os.Remove(goldenFile)
			f, err := os.Create(goldenFile)
			if err != nil {
				t.Fatal(err)
			}
			for _, feat := range w.Features() {
				fmt.Fprintf(f, "%s\n", feat)
			}
			f.Close()
		}

}

func doCheckPet(t *testing.T, pet Pet, expect Pet, unscoped bool) {
	if pet.ID != 0 {
		var newPet Pet
		if err := db(unscoped).Where("id = ?", pet.ID).First(&newPet).Error; err != nil {
			t.Fatalf("errors happened when query: %v", err)
		} else {
			AssertObjEqual(t, newPet, pet, "ID", "CreatedAt", "UpdatedAt", "DeletedAt", "UserID", "Name")