public void Clone_WhenInstanceCloned_ThenInstancesHashCodesAreEqual()
{
// arrange
FlightPlanBuilder builder = FlightPlanBuilder.Create()
.WithActualDepartureTime(1)
.WithAircraft("B738")
.WithAlternateAerodrome(new Aerodrome("LZKZ"))
.WithCruisingLevel("320")
.WithCruisingSpeed("250")
.WithDepartureAerodrome(new Aerodrome("LZKZ"))
.WithDepartureTime(2)
.WithDestinationAerodrome(new Aerodrome("LZIB"))
.WithEETHours(2)
.WithEETMinutes(0)
.WithEnduranceHours(5)
.WithEnduranceMinutes(2)
.WithFlightRules(FlightRules.IFR)
.WithOtherInfo("NONE")
.WithPersonsOnBoard(20)
.WithRevision(22)
.WithRoute("route")
.WithSecondAlternateAerodrome(new Aerodrome("EPWA"))
.WithTypeOfFlight(FlightType.GeneralAviation);
FlightPlan instance0 = builder.Build();
object instance1 = instance0.Clone();
// act
int result0 = instance0.GetHashCode();
int result1 = instance1.GetHashCode();
// assert
Assert.That(instance0, Is.Not.Null);
Assert.That(instance1, Is.Not.Null);
Assert.That(instance1, Is.InstanceOf <FlightPlan>());
Assert.That(ReferenceEquals(instance0, instance1), Is.Not.True);
Assert.That(Equals(result0, result1), Is.True);
}