public void TestDeposit()
{
BankAccount account = new BankAccount();
account.Deposit(125.0);
account.Deposit(25.0);
Assert.AreEqual(150.0, account.Balance);//change something in here.
}
public void PayInterest_AddsAppropriateAmmountToBalance()
{
var source = new BankAccount();
source.Deposit(25.0);
source.PayInterest(10.0);
Assert.That(source.Balance, Is.EqualTo(27.5));
}
public void ExcessiveWithdrawal_ThrowsOneApplicationException()
{
var account = new BankAccount();
account.Deposit(25.0);
Assert.Throws<ApplicationException>(() => account.Withdraw(30.0));
Assert.AreEqual(0, 0);
}
public void TestWithdraw()
{
BankAccount account = new BankAccount();
account.Deposit(125.0);
account.Withdraw(25.0);
account.Withdraw(50.0);//make a change
Assert.AreEqual(50.0, account.Balance);
}
public void Transfer_WithInadequateBalance_ThrowsArgumentException_MakesNoChanges()
{
var source = new BankAccount();
source.Deposit(25.0);
var destination = new BankAccount();
destination.Deposit(100.0);
Assert.Throws<ApplicationException>(() => source.TransferFunds(destination, 50.0));
Assert.That(source.Balance, Is.EqualTo(25.0));
Assert.That(destination.Balance, Is.EqualTo(100.0));
}
public void TransferFunds()
{
BankAccount source = new BankAccount();
source.Deposit(200.00);
BankAccount destination = new BankAccount();
destination.Deposit(150.00);
source.TransferFunds(destination, 100.00);
Assert.AreEqual(250.00, destination.Balance);
Assert.AreEqual(100.00, source.Balance);
}
public void TransferFunds(BankAccount destination, double amount)
{
Withdraw(amount); // Do this first so destination balance is not changed if it fails.
destination.Deposit(amount);
}