public void Debit_WhenAmountIsLessThanZero_ShouldThrowArgumentOutOfRange( ) { // arrange double beginningBalance = 11.99; double debitAmount = -100.00; BankAccountNT account = new BankAccountNT("Mr. Sinjul MSBH", beginningBalance); // act account.Debit(debitAmount); // assert is handled by ExpectedException }
public void Debit_WithValidAmount_UpdatesBalance( ) { // arrange double beginningBalance = 11.99; double debitAmount = 4.55; double expected = 7.44; BankAccountNT account = new BankAccountNT("Mr. Sinjul MSBH", beginningBalance); // act account.Debit(debitAmount); // assert double actual = account.Balance; Assert.AreEqual(expected, actual, 0.001, "Account not debited correctly"); }
public void Debit_WhenAmountIsMoreThanBalance_ShouldThrowArgumentOutOfRange( ) { // arrange double beginningBalance = 11.99; double debitAmount = 20.0; BankAccountNT account = new BankAccountNT("Mr. Sinjul MSBH", beginningBalance); // act try { account.Debit(debitAmount); } catch (ArgumentOutOfRangeException e) { // assert StringAssert.Contains(e.Message, BankAccountNT.DebitAmountExceedsBalanceMessage); } }