static void takeCardTest(){
ostringstream oss;
Stock stock = Stock();
vector<int> list(30,5);
stock += list;
int size = stock.getSize();
for(int i = 0; i < 30; i++){
assert(stock.takeCard() == 5);
assert(stock.getSize() == --size);
}
assert(stock.isEmpty());
try {
stock.takeCard();
}
catch(std::logic_error & e){
oss << e.what();
}
cout << oss.str();
}
static void constructorTest() {
Stock s = Stock();
assert(s.getSize() == 0);
assert(s.isEmpty());
}