void test_copying()
{
DictionaryList one;
// Copy an empty list.
DictionaryList two;
assert(two.size() == 0);
// Copy a list with three entries and a valid cursor.
one.insert(319,"Randomness");
one.insert(315,"Shocks");
one.insert(335,"ParseErrors");
one.go_to_first();
one.step_fwd();
DictionaryList three(one);
assert(three.cursor_datum().isEqual("Randomness"));
one.remove(335);
cout << "Printing list--keys should be 315, 319\n";
print(one);
cout << "Printing list--keys should be 315, 319, 335\n";
print(three);
// Assignment operator check.
one = two = three = three;
one.remove(319);
two.remove(315);
cout << "Printing list--keys should be 315, 335\n";
print(one);
cout << "Printing list--keys should be 319, 335\n";
print(two);
cout << "Printing list--keys should be 315, 319, 335\n";
print(three);
cout << "***----Finished tests of copying----------------------***\n\n";
}
DictionaryList dictionary_tests()
{
DictionaryList dl;
assert(dl.size() == 0);
cout << "\nPrinting list just after its creation ...\n";
print(dl);
// Insert using new keys.
dl.insert(8001,"Dilbert");
dl.insert(8002,"Alice");
dl.insert(8003,"Wally");
assert(dl.size() == 3);
cout << "\nPrinting list after inserting 3 new keys ...\n";
print(dl);
dl.remove(8002);
dl.remove(8001);
dl.insert(8004,"PointyHair");
assert(dl.size() == 2);
cout << "\nPrinting list after removing two keys and inserting PointyHair ...\n";
print(dl);
// Insert using existing key.
dl.insert(8003,"Sam");
assert(dl.size() == 2);
cout << "\nPrinting list after changing data for one of the keys ...\n";
print(dl);
dl.insert(8001,"Allen");
dl.insert(8002,"Peter");
assert(dl.size() == 4);
cout << "\nPrinting list after inserting 2 more keys ...\n";
print(dl);
cout << "***----Finished dictionary tests---------------------------***\n\n";
return dl;
}