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)
		}

			allVersionIDs = append(allVersionIDs, fi.VersionID)
		}
	}
	buf, err := xl.AppendTo(nil)
	if err != nil {
		t.Fatalf("Failed to serialize xlmeta %v", err)
	}
	fivs, err := getFileInfoVersions(buf, basefi.Volume, basefi.Name, false)
	if err != nil {
		t.Fatalf("getFileInfoVersions failed: %v", err)
	}
	chkNumVersions := func(fis []FileInfo) bool {
		for i := 0; i < len(fis)-1; i++ {

	user := *GetUser("update-has-many", Config{})

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

	user.Pets = []*Pet{{Name: "pet1"}, {Name: "pet2"}}
	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user2 User
	DB.Preload("Pets").Find(&user2, "id = ?", user.ID)
	CheckUser(t, user2, user)

	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 {

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

func TestGetNewCredentials(t *testing.T) {
	cred, err := GetNewCredentials()
	if err != nil {
		t.Fatalf("Failed to get a new credential")
	}
	if !cred.IsValid() {
		t.Fatalf("Failed to get new valid credential")
	}
	if len(cred.AccessKey) != accessKeyMaxLen {

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

	var got User
	if err := DB.Preload("Pets").First(&got, user.ID).Error; err != nil {
		t.Fatalf("load user: %v", err)
	}
	if got.Age != 30 {
		t.Fatalf("expected age 30, got %d", got.Age)
	}

	if result.FieldAllowUpdate != "" || result.FieldReadonly != "" || result.FieldIgnore != "" || result.FieldAllowSave3 != "" {
		t.Fatalf("invalid result: %#v", result)
	}

	if int(result.AutoUnixCreateTime) != int(result.AutoUnixUpdateTime) || result.AutoUnixCreateTime == 0 {
		t.Fatalf("invalid create/update unix time: %#v", result)
	}

		data, err := xml.Marshal(testCase.name)
		expectErr := (err != nil)

		if expectErr != testCase.expectErr {
			t.Fatalf("test %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
		}

		if !testCase.expectErr {
			if !reflect.DeepEqual(data, testCase.expectedData) {
				t.Fatalf("test %v: data: expected: %v, got: %v", i+1, string(testCase.expectedData), string(data))
			}
		}
	}
}

	user := *GetUser("update-belongs-to", Config{})

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

	user.Company = Company{Name: "company-belongs-to-association"}
	user.Manager = &User{Name: "manager-belongs-to-association"}
	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user2 User

			gotChksm, err := GetContentChecksum(w.Result().Header)
			if tt.wantErr {
				if err == nil {
					t.Fatalf("Expected error for %s, got none", tt.name)
				}
				return
			}
			if err != nil {
				t.Fatalf("GetContentChecksum failed for %s: %v", tt.name, err)
			}

			if gotChksm == nil {
				t.Fatalf("Got nil checksum for %s", tt.name)
			}
			// Compare the full checksum structs
			if !chksm.Equal(gotChksm) {