InstaTax.Core.DomainObjects.TaxStatement.GetDonationsUnder80G C# (CSharp) Метод

        public virtual IEnumerable<DonationUnder80G> GetDonationsUnder80G()
        {
            return DonationsUnder80G.GetDonations();
        }

        public void ShouldSaveAndLoadTaxStatement()
        {
            IRepository repository = new Repository();
            var password = new Password { PasswordString = "abc" };
            var email = new EmailAddress("*****@*****.**");
            var taxPayer= new User(email, password);

            taxPayer.FromMetro = true;
            taxPayer.RentPaid = 8000.00;

            AnnualSalary salary = new AnnualSalary() { Basic = 10000, Epf = 2000, Hra = 6000, Id = "salary", ProfessionalTax = 200, SpecialAllowance = 5000, TaxDedeuctedAtSource = 5000};
            TaxStatement taxStatement = new TaxStatement(salary, taxPayer);

            DonationsUnder80G donationsUnder80G = new DonationsUnder80G();
            var halfExemptDonation = new HalfExemptDonation(20000);
            donationsUnder80G.AddDonation(halfExemptDonation);
            var fullyExemptDonation = new FullyExemptDonation(10000);
            donationsUnder80G.AddDonation(fullyExemptDonation);
            taxStatement.DonationsUnder80G = donationsUnder80G;
            repository.Save(taxStatement);

            List<TaxStatement> taxStatements = repository.LoadAll<TaxStatement>();
            var loadedTaxStatement = taxStatements.FirstOrDefault(stmt => stmt.Id == taxStatement.Id);
            Assert.IsNotNull(loadedTaxStatement);
            Assert.IsNotNull(loadedTaxStatement.TaxPayer);
            Assert.IsTrue(taxStatement.GetDonationsUnder80G().Contains(halfExemptDonation));
            Assert.IsTrue(taxStatement.GetDonationsUnder80G().Contains(fullyExemptDonation));
        }