void ExpectOperationSucceeds(Op && op, int expectedGear, int expectedSpeed, bool engineIsOn = true)
{
BOOST_CHECK(op());
BOOST_CHECK_EQUAL(car.IsEngineOn(), engineIsOn);
BOOST_CHECK_EQUAL(car.GetGear(), expectedGear);
BOOST_CHECK_EQUAL(car.GetSpeed(), abs(expectedSpeed));
BOOST_CHECK(car.GetMovementType() == (expectedSpeed > 0 ? (expectedGear > 0 ? CCar::MovementType::FORWARD : expectedGear == 0 ? CCar::MovementType::NONE : CCar::MovementType::BACK) : CCar::MovementType::STAY));
}
void ExpectOperationFails(Op && op)
{
const CCar clone(car);
BOOST_CHECK(!op());
BOOST_CHECK_EQUAL(car.IsEngineOn(), clone.IsEngineOn());
BOOST_CHECK_EQUAL(car.GetGear(), clone.GetGear());
BOOST_CHECK_EQUAL(car.GetSpeed(), clone.GetSpeed());
BOOST_CHECK_EQUAL(car.GetMovementType(), clone.GetMovementType());
}