type testM struct {
		Name string
	}

	t1 := testM{Name: "t1"}
	t2 := testM{Name: "t2"}
	t3 := testM{Name: "t3"}

	vm = make(visitMap)
	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

	type testM struct {
		Name string
	}

	t1 := testM{Name: "t1"}
	t2 := testM{Name: "t2"}
	t3 := testM{Name: "t3"}

	vm = make(visitMap)
	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

		Name string
	}

	DB.Migrator().DropTable(&EmbeddedTag{})
	err := DB.Migrator().AutoMigrate(&EmbeddedTag{})
	AssertEqual(t, err, nil)

	t1 := EmbeddedTag{Name: "embedded_tag"}
	err = DB.Save(&t1).Error
	AssertEqual(t, err, nil)
	if t1.Tag1.Id == 0 {
		t.Errorf("embedded struct's primary field should be rewrited")
	}