//

// Created by 赵健 on 2021/8/17.

//

#include <string>

#include <set>

#include <iostream>

#include "setops.h"

#include "../../utils/Utils.h"

void setops::test() {

using namespace std;

const int N = 6;

string s1[N] = {"buffoon", "thinkers", "for", "heavy", "can", "for"};

string s2[N] = {"metal", "any", "food", "elegant", "deliver", "for"};

set<string> A(s1, s1+N);

set<string> B(s2, s2+N);

ostream_iterator<string, char> out(cout, " ");

cout << "Set A: ";

copy(A.begin(), A.end(), out);

cout << endl;

cout << "Set B: ";

copy(B.begin(), B.end(), out);

cout << endl;

Utils::println("Union of A and B: \n");

set_union(A.begin(), A.end(), B.begin(), B.end(), out);

cout << endl;

cout << "Intersection of A and B: \n";

set_intersection(A.begin(), A.end(), B.begin(), B.end(), out);

cout << endl;

cout << "Difference of A and B: \n";

set_difference(A.begin(), A.end(), B.begin(), B.end(), out);

cout << endl;

set<string> C;

cout << "Set C:\n";

set_union(A.begin(), A.end(), B.begin(), B.end(), insert_iterator<set<string>>(C, C.begin()));

copy(C.begin(), C.end(), out);

cout << endl;

string s3("grungy");

C.insert(s3);

cout << "Set C after insertion:\n";

copy(C.begin(), C.end(), out);

cout << endl;

cout << "Showing a range:\n";

copy(C.lower_bound("ghost"), C.upper_bound("spook"), out);

cout << endl;

}