t.Fatalf("expect write 48 bytes but got %d", n)
	}
	if rb.Length() != 64 {
		t.Fatalf("expect len 64 bytes but got %d. r.w=%d, r.r=%d", rb.Length(), rb.w, rb.r)
	}
	if rb.Free() != 0 {
		t.Fatalf("expect free 0 bytes but got %d. r.w=%d, r.r=%d", rb.Free(), rb.w, rb.r)
	}
	if rb.w != 0 {
		t.Fatalf("expect r.w=0 but got %d. r.r=%d", rb.w, rb.r)
	}
	if !bytes.Equal(rb.Bytes(nil), []byte(strings.Repeat("abcd", 16))) {

		t.Fatalf("Should find saved record")
	}

	if err := tx.Commit().Error; err != nil {
		t.Fatalf("Failed to commit, got error %v", err)
	}

	if err := DB.First(&User{}, "name = ?", user.Name).Error; err != nil {
		t.Fatalf("Should find saved record")
	}

	if err := DB.First(&User{}, "name = ?", user1.Name).Error; err == nil {
		t.Fatalf("Should not find rollbacked record")
	}

	}

	err = DB.Model([1]*Product5{&p}).Update("name", "update_name_3").Error
	if err != nil {
		t.Fatalf("should update success, but got err %v", err)
	}
	if beforeUpdateCall != 2 {
		t.Fatalf("before update should be called")
	}

	err = DB.Model([1]Product5{p}).Update("name", "update_name_4").Error
	if !errors.Is(err, gorm.ErrInvalidValue) {

	for i, testCase := range testCases {
		result := testCase.set.Clone()

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

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

func TestTargetIDSetUnion(t *testing.T) {

		t.Fatalf("should only find no pet with invalid conditions, but got %v", count)
	}

	// Count
	AssertAssociationCount(t, user, "Pets", 2, "")

	// Append
	pet := Pet{Name: "pet-has-many-append"}

	if err := DB.Model(&user2).Association("Pets").Append(&pet); err != nil {
		t.Fatalf("Error happened when append account, got %v", err)
	}

	if pet.ID == 0 {
		t.Fatalf("Pet's ID should be created")
	}

			err: errXMLNotWellFormed,
		},
	}

	for i, tc := range trTests {
		var tr Transition
		err := xml.Unmarshal([]byte(tc.input), &tr)
		if err != nil {
			t.Fatalf("%d: xml unmarshal failed with %v", i+1, err)
		}
		if err = tr.Validate(); err != tc.err {
			t.Fatalf("%d: Invalid transition %v: err %v", i+1, tr, err)
		}
	}

	ntrTests := []struct {
		input string
		err   error
	}{
		{

	if err = db.AutoMigrate(&City{}); err != nil {
		t.Fatalf("failed to migrate cities table, got error: %v", err)
	}

	err = db.Create(&City{Name: "Kabul"}).Error
	if err != nil {
		t.Fatalf("failed to create record: %v", err)
	}

	err = db.Create(&City{Name: "Kabul"}).Error
	if !errors.Is(err, gorm.ErrDuplicatedKey) {
		t.Fatalf("expected err: %v got err: %v", gorm.ErrDuplicatedKey, err)
	}
}

		result := testCase.rules.Clone()

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

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

func TestRulesUnion(t *testing.T) {

		t.Fatalf("Build count with select, but got %v", result.Statement.SQL.String())
	}

	result = dryDB.Table("users").Distinct("name").Count(&count)
	if !regexp.MustCompile(`SELECT COUNT\(DISTINCT\(.name.\)\) FROM .*users.*`).MatchString(result.Statement.SQL.String()) {
		t.Fatalf("Build count with select, but got %v", result.Statement.SQL.String())
	}

		user, err := schema.Parse(&LongString{}, &sync.Map{}, db.Config.NamingStrategy)
		if err != nil {
			t.Fatalf("failed to parse user unique, got error %v", err)
		}

		constraints := user.ParseUniqueConstraints()
		if len(constraints) != 1 {
			t.Fatalf("failed to find unique constraint, got %v", constraints)
		}

		for key := range constraints {
			if len(key) != 63 {