public void CannotExceedCreditLimitTest()
{
// Arrange
decimal initialBalance = 1000m;
decimal creditLimit = 20000m;
decimal amount = 25000m;
var testee = new CorporateBankAccount(initialBalance, creditLimit);
// Act & Assert
Assert.ThrowsException <InvalidOperationException>(() => testee.Charge(amount));
}
public void CannotExceedMontlyLimitTest()
{
// Arrange
decimal initialBalance = 1000m;
decimal creditLimit = 20000m;
decimal alreadySpent = 14000m;
decimal amount = 7000m;
var testee = new CorporateBankAccount(initialBalance, creditLimit);
testee.SpentInCurrentMoth = alreadySpent;
// Act & Assert
Assert.ThrowsException <InvalidOperationException>(() => testee.Charge(amount));
}
public void ChargingReducesBalanceTest()
{
// Arrange
decimal initialBalance = 1000m;
decimal creditLimit = 20000m;
decimal amount = 15000m;
decimal expectedFinalBalance = initialBalance - amount;
var testee = new CorporateBankAccount(initialBalance, creditLimit);
// Act
testee.Charge(amount);
// Assert
Assert.AreEqual(testee.Balance, expectedFinalBalance);
}
