ArrayBag<ItemType> ArrayBag<ItemType>::difference(const ArrayBag<ItemType> bag2)
{
for (int i=0; i<getCurrentSize(); i++)
{
if (bag2.contains(items[i]))
{
remove(items[i]);
}
}
}
ArrayBag<ItemType> ArrayBag<ItemType>::intersection(const ArrayBag<ItemType> bag2)
{
ArrayBag<ItemType> interBag;
for (int i=0; i<getCurrentSize(); i++)
{
if (bag2.contains(items[i]))
{
interBag.add(items[i]);
}
}
return interBag;
}
void bagTester(ArrayBag<string>& bag)
{
cout << "isEmpty: returns " << boolalpha << bag.isEmpty() << "; should be 1 (true)" << endl;
cout << bag;
ifstream myfile ("Words.txt");
int currSize = 10;
int count = 0;
if (myfile.is_open()) {
string line;
while ( getline (myfile,line) ) {
if (count < currSize) {
cout << line << endl;
bag.add(line);
count++;
}
//else if (count == currSize) {
// ArrayBag<string> temp(bag);
// count++;
//temp = move(bag);
//}
}
}
string numbers[] =
{
"one",
"two",
"three",
"four",
"five",
"one",
"six",
"seven",
"eight"
};
cout << "Add items to the bag container: " << endl;
for (int i = 0; i < sizeof(numbers)/sizeof(numbers[0]); i++)
{
bag.add( numbers[i] );
} // end for
cout << bag;
cout << "isEmpty: returns " << boolalpha << bag.isEmpty() << "; should be 0 (false)" << endl;
cout << "getCurrentSize: returns " << bag.getCurrentSize() << "; should be 9" << endl;
cout << "Try to add another entry: add(\"nine\") returns " << bag.add("nine") << endl;
cout << "contains(\"three\"): returns " << boolalpha << bag.contains("three") << "; should be 1 (true)" << endl;
cout << "contains(\"ten\"): returns " << boolalpha << bag.contains("ten") << "; should be 0 (false)" << endl;
cout << "getFrequencyOf(\"one\"): returns " << bag.getFrequencyOf("one") << " should be 2" << endl;
cout << "remove(\"one\"): returns " << boolalpha << bag.remove("one") << "; should be 1 (true)" << endl;
cout << "getFrequencyOf(\"one\"): returns " << bag.getFrequencyOf("one") << " should be 1" << endl;
cout << "remove(\"one\"): returns " << boolalpha << bag.remove("one") << "; should be 1 (true)" << endl;
cout << "remove(\"one\"): returns " << boolalpha << bag.remove("one") << "; should be 0 (false)" << endl;
cout << endl;
cout << bag;
cout << "After clearing the bag, ";
bag.clear();
cout << "isEmpty: returns " << boolalpha << bag.isEmpty() << "; should be 1 (true)" << endl;
} // end bagTester
