public void CalculatePrice__PriceIsMaxValue__DoesNotThrow()
{
// A - arrange
IRoom room = new Room { Price = decimal.MaxValue };
IPriceRule priceRule = new TVAPriceRule();
// A - act
decimal result = priceRule.CalculatePrice(room);
// A - assert
Assert.AreEqual(decimal.MaxValue * 0.19m, result);
}
public void CalculatePrice__RoomIsNull__ArgumentNullExceptionIsThrown()
{
// A - arrange
IRoom room = null;
IPriceRule priceRule = new TVAPriceRule();
bool isException = false;
// A - act
try
{
decimal result = priceRule.CalculatePrice(room);
}
catch (ArgumentNullException)
{
isException = true;
}
// A - assert
Assert.IsTrue(isException, "ArgumentNullException is not thrown for a null Room object");
}
public void CalculatePrice__RoomPriceCoorectlySetup__ReturnedTvaValueIsCorrect()
{
// A - arrange
IRoom room = new Room { Price = 50 };
IPriceRule priceRule = new TVAPriceRule();
// A - act
decimal result = priceRule.CalculatePrice(room);
// A - assert
Assert.AreEqual(9.5m, result);
}
public void CalculatePrice__RoomIsNull__ArgumentNullExceptionIsThrown2()
{
// A - arrange
IRoom room = null;
IPriceRule priceRule = new TVAPriceRule();
bool isException = false;
// A - act
decimal result = priceRule.CalculatePrice(room);
// A - assert
}