Set135 Tester

int main()
{
    Set135<int>* emptyset = new Set135<int>();
    Set135<int>* s1 = emptyset->add(1);
    Set135<int>* s12 = s1->add(2);
    // Test multi add doesn't add multi, and remove
    Set135<int>* t1 = emptyset->add(1)->add(1);
    cout << *(t1->remove(1)) << endl;
    cout << *t1 << endl;
    // addAll
    cout << *(emptyset->addAll(s12)) << endl;
    Set135<int>* s123 = s1->addAll(s12->add(3));
    cout << *s123 << endl;
    // retainAll, removeAll
    cout << *(s123->add(4)->add(5)->retainAll(s12)) << endl;
    cout << *(s123->removeAll(emptyset->add(2)->add(3)->add(4))) << endl;
    cout << *(s123->retainAll(emptyset)) << endl;
    // Boolean functions
    bool booleanResult = ! emptyset->contains(1);
    booleanResult &= s123->contains(1);
    booleanResult &= ! s123->contains(0);
    booleanResult &= ! emptyset->containsAll(s123);
    booleanResult &= ! s12->containsAll(s123);
    booleanResult &= s123->containsAll(s123);
    booleanResult &= s123->containsAll(s1);
    cout << booleanResult << endl;
}