public void BankAccountAccrueOrChargeInterestAccrueSavingsRateIfBalanceIsPositive()
{
BankAccount account = new BankAccount()
{
SavingsRate = 0.01M
};
account.Deposit(50);
account.AccrueOrChargeInterest();
Assert.AreEqual(50.5M, account.Balance);
UnitTest test = Factory.CreateTest();
TestVariable <BankAccount> _account = test.CreateVariable <BankAccount>();
test.Arrange(_account, Expr(() => new BankAccount()
{
SavingsRate = 0.01M
}));
test.Act(Expr(_account, a => a.Deposit(50M)));
test.Act(Expr(_account, a => a.AccrueOrChargeInterest()));
test.Assert.AreEqual(Const(50.5M), Expr(_account, a => a.Balance));
test.Execute();
}
public void BankAccountAccrueOrChargeInterestChargesBorrowingRateIfBalanceIsNegative()
{
BankAccount account = new BankAccount()
{
BorrowingRate = 0.1M
};
account.Withdraw(50);
account.AccrueOrChargeInterest();
Assert.AreEqual(-45.0M, account.Balance);
// TestTools Code
UnitTest test = Factory.CreateTest();
TestVariable <BankAccount> _account = test.CreateVariable <BankAccount>();
test.Arrange(_account, Expr(() => new BankAccount()
{
BorrowingRate = 0.1M
}));
test.Act(Expr(_account, a => a.Withdraw(50M)));
test.Act(Expr(_account, a => a.AccrueOrChargeInterest()));
test.Assert.AreEqual(Const(-45.0M), Expr(_account, a => a.Balance));
test.Execute();
}
public void BankAccountAccrueOrChargeInterestDoesNotAffectBalanceIfBalanceEqualsZero()
{
BankAccount account = new BankAccount();
account.AccrueOrChargeInterest();
Assert.AreEqual(0M, account.Balance);
// TestTools Code
UnitTest test = Factory.CreateTest();
TestVariable <BankAccount> _account = test.CreateVariable <BankAccount>();
test.Arrange(_account, Expr(() => new BankAccount()));
test.Act(Expr(_account, a => a.AccrueOrChargeInterest()));
test.Assert.AreEqual(Const(0M), Expr(_account, a => a.Balance));
test.Execute();
}