t.Fatalf("invalid sql generated, got %v", sql)
	}

	sql = dryRunDB.Where("a = ? or b = ?", "a", "b").Or("c = ? and d = ?", "c", "d").Find(&User{}).Statement.SQL.String()
	if !regexp.MustCompile(`WHERE \(\(a = .+ or b = .+\) OR \(c = .+ and d = .+\)\) AND .users.\..deleted_at. IS NULL`).MatchString(sql) {
		t.Fatalf("invalid sql generated, got %v", sql)
	}

		result := testCase.rulesMap.Clone()

		if !reflect.DeepEqual(result, testCase.rulesMap) {
			t.Fatalf("test %v: result: expected: %v, got: %v", i+1, testCase.rulesMap, result)
		}

		result.Add(testCase.rulesMapToAdd)
		if reflect.DeepEqual(result, testCase.rulesMap) {
			t.Fatalf("test %v: result: expected: not equal, got: equal", i+1)
		}
	}
}

func TestRulesMapAdd(t *testing.T) {

			iostats, err := readDriveStats(tmpfile.Name())
			if err != nil && !testCase.expectErr {
				t.Fatalf("unexpected err; %v", err)
			}
			if testCase.expectErr && err == nil {
				t.Fatal("expected to fail but err is nil")
			}
			if !reflect.DeepEqual(iostats, testCase.expectedIOStats) {
				t.Fatalf("expected iostats: %v but got %v", testCase.expectedIOStats, iostats)
			}
		})
	}

			}
			if err != io.EOF {
				t.Fatalf("Reading failed with %s, %s", err, file.Name())
			}
		})
	}
}

func BenchmarkPReader(b *testing.B) {
	files, err := os.ReadDir("testdata")
	if err != nil {
		b.Fatal(err)
	}
	for _, file := range files {
		b.Run(file.Name(), func(b *testing.B) {
			f, err := os.ReadFile(filepath.Join("testdata", file.Name()))
			if err != nil {
				b.Fatal(err)
			}

			}
			if err != io.EOF {
				t.Fatalf("Reading failed with %s, %s", err, file.Name())
			}
		})
	}
}

func BenchmarkReader(b *testing.B) {
	files, err := os.ReadDir("testdata")
	if err != nil {
		b.Fatal(err)
	}
	for _, file := range files {
		b.Run(file.Name(), func(b *testing.B) {
			f, err := os.ReadFile(filepath.Join("testdata", file.Name()))
			if err != nil {
				b.Fatal(err)
			}

	if loaded = loadOrStoreVisitMap(&vm, reflect.ValueOf(&t1)); loaded {
		t.Fatalf("loaded should be false")
	}

	if loaded = loadOrStoreVisitMap(&vm, reflect.ValueOf(&t1)); !loaded {
		t.Fatalf("loaded should be true")
	}

	// t1 already exist but t2 not
	if loaded = loadOrStoreVisitMap(&vm, reflect.ValueOf([]*testM{&t1, &t2, &t3})); loaded {
		t.Fatalf("loaded should be false")
	}

	if err := DB.Create(&user).Error; err != nil {
		t.Fatalf("errors happened when create: %v", err)
	}

	user.Languages = []Language{{Code: "zh-CN", Name: "Chinese"}, {Code: "en", Name: "English"}}
	for _, lang := range user.Languages {
		DB.Create(&lang)
	}
	user.Friends = []*User{{Name: "friend-1"}, {Name: "friend-2"}}

	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

		}
		CheckUser(t, last, *users[2])
	}

	if err := DB.Create(&users).Error; err != nil {
		t.Fatalf("errors happened when create: %v", err)
	} else if user.ID == 0 {
		t.Fatalf("user's primary value should not zero, %v", user.ID)
	} else if user.UpdatedAt.IsZero() {
		t.Fatalf("user's updated at should not zero, %v", user.UpdatedAt)
	}
	lastUpdatedAt = user.UpdatedAt

	hdr.SetMode(fs.ModeDir | 0o755)
	w, err := zw.CreateHeader(hdr)
	if err != nil {
		t.Fatalf("create zip header: %v", err)
	}
	_, err = w.Write([]byte("some data"))
	if err != nil {
		t.Fatalf("write zip contents: %v", err)

	}
	err = zw.Close()
	if err != nil {
		t.Fatalf("close zip writer: %v", err)

	}

	zr, err := NewReader(bytes.NewReader(buf.Bytes()), int64(buf.Len()))

	if err = mkdirAll(pathJoin(path, "testvolume1"), 0o777, ""); err != nil {
		t.Fatal(err)
	}
	if err = renameAll("", "foo", ""); err != errInvalidArgument {
		t.Fatal(err)
	}
	if err = renameAll("foo", "", ""); err != errInvalidArgument {
		t.Fatal(err)
	}
	if err = renameAll(pathJoin(path, "testvolume1"), pathJoin(path, "testvolume2"), ""); err != nil {
		t.Fatal(err)
	}