public void CreatedWithCorrectTitle()
{
BillFund fund = GetBillFund("Test");
var expected = "Test";
var actual = fund.Title;
Assert.Equal(expected, actual);
}
public void StartingBalanceIsZero()
{
BillFund fund = GetBillFund("Test");
double expected = 0;
var actual = fund.Balance;
Assert.Equal(expected, actual);
}
public void CanAddMultipleBillsWithSameDate()
{
BillFund fund = GetBillFund("Test");
Bill bill = Bill.From(100, new DateTime(2019, 08, 23));
Bill bill2 = Bill.From(200, new DateTime(2019, 08, 23));
fund.AddBill(bill);
fund.AddBill(bill2);
Assert.Equal(100 + 200, fund.GetTotalDue());
}
public void PayNextBillRemovesFunds()
{
BillFund fund = GetBillFund("Test");
Bill bill = Bill.From(100, new DateTime(2019, 08, 23));
fund.AddBill(bill);
fund.DepositFunds(100);
fund.PayNextBill();
Assert.Equal(0, fund.Balance);
}
public void BalanceCorrectAfterDeposits()
{
BillFund fund = GetBillFund("Test");
fund.DepositFunds(100);
fund.DepositFunds(32);
fund.DepositFunds(32.5);
var expected = 100 + 32 + 32.5;
var actual = fund.Balance;
Assert.Equal(expected, actual);
}
public void BalanceIsCorrect()
{
BillFund fund = GetBillFund("Test");
fund.DepositFunds(132.50);
fund.DepositFunds(500);
fund.DepositFunds(12.34);
var expected = 132.50 + 500 + 12.34;
var actual = fund.Balance;
Assert.Equal(expected, actual);
}
public void BillsAreOrderedByDate()
{
BillFund fund = GetBillFund("Test");
Bill bill = Bill.From(100, new DateTime(2019, 08, 23));
Bill bill2 = Bill.From(101, new DateTime(2019, 07, 28));
fund.AddBill(bill);
fund.AddBill(bill2);
var expected = bill2;
var actual = fund.GetBill(0);
Assert.Same(expected, actual);
}
public void TotalBalanceOfBillsIsCorrect()
{
BillFund fund = GetBillFund("Test");
Bill bill = Bill.From(100, new DateTime(2019, 08, 23));
Bill bill2 = Bill.From(200, new DateTime(2019, 08, 23));
Bill bill3 = Bill.From(50.75, new DateTime(2019, 08, 23));
fund.AddBill(bill);
fund.AddBill(bill2);
fund.AddBill(bill3);
var expected = 100 + 200 + 50.75;
var actual = fund.GetTotalDue();
Assert.Equal(expected, actual);
}
public void DepositNegativeAmountThrowsArgumentException()
{
BillFund fund = GetBillFund("Test");
Assert.Throws <ArgumentException>(() => fund.DepositFunds(-100));
}
