if err := DB.Model(&pet2).Association("Toy").Clear(); err != nil {
		t.Errorf("Error happened when clear Toy, got %v", err)
	}

	AssertAssociationCount(t, pet2, "Toy", 0, "after clear")
}

func TestPolymorphicHasOneAssociationForSlice(t *testing.T) {
	pets := []Pet{
		{Name: "hasone-1", Toy: Toy{Name: "toy-has-one"}},
		{Name: "hasone-2", Toy: Toy{}},
		{Name: "hasone-3", Toy: Toy{Name: "toy-has-one"}},
	}

	DB.Create(&pets)