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);
}