public void TestCalculate()
{
//Given
var sut = new Reservation();
sut.CheckInDate = "2019-09-17";
sut.CheckOutDate = "2019-09-19";
sut.Rooms = new List <Room>()
{
new Room {
DailyRate = 50M
}, new Room {
DailyRate = 60M
}, new Room {
DailyRate = 70M
}
};
//When
var actual = sut.CalculateReservationCost();
//Then
var expected = 360M;
Assert.True(expected == actual);
}