public void SetInitialAmount(AmountState initialAmount)
{
if (initialAmount == null || initialAmount.Amount.Currency == Currency)
{
InitialAmount = initialAmount;
}
else
{
throw new Exception("Initial amount is in different currency");
}
}
public void SetInitialAmount_WithAllInformation_SuccesfullSet()
{
// Arrange
Bill bill = new Bill("PLN");
AmountState initialAmount = new AmountState(new Money(100, "PLN"), new DateTimeOffset(2010, 10, 10, 10, 10, 10, TimeSpan.Zero));
// Act
bill.SetInitialAmount(initialAmount);
// Assert
Assert.AreEqual(initialAmount.Amount, bill.InitialAmount.Amount);
Assert.AreEqual(initialAmount.Date, bill.InitialAmount.Date);
}
public void SetInitialAmount_SetNull_InitialAmountCleared()
{
// Arrange
Bill bill = new Bill("PLN");
AmountState initialAmount = new AmountState(new Money(100, "PLN"), new DateTimeOffset(2010, 10, 10, 10, 10, 10, TimeSpan.Zero));
bill.SetInitialAmount(initialAmount);
// Act
bill.SetInitialAmount(null);
// Assert
Assert.IsNull(bill.InitialAmount);
}
public void SetInitialAmount_WithDifferentCurrency_ExceptionThrown()
{
// Arrange
Bill bill = new Bill("PLN");
AmountState initialAmount = new AmountState(new Money(100, "USD"), new DateTimeOffset(2010, 10, 10, 10, 10, 10, TimeSpan.Zero));
// Act
void setInitialAmount() => bill.SetInitialAmount(initialAmount);
// Assert
Exception ex = Assert.Throws <Exception>(() => setInitialAmount());
Assert.AreEqual(ex.Message, "Initial amount is in different currency");
}
