ranger-tests.cpp

#include <iostream>

#include "ranger.h"

void demo1()
{
    ranger r;

    r.insert({10,20});
    r.insert({50,60});
    r.insert({30,40});

    std::cout << r << "\n\n";

    for (int x = 5; x < 70; x += 5)
        std::cout << "contains " << x << " ?  "
                  << (r.contains(x) ? "yes" : "no") << "\n";
}


void demo2()
{
    ranger::range rr1 = {5, 10};
    std::cout << "Printing range " << rr1 << ":";
    for (int i : rr1)
        std::cout << " " << i;
    std::cout << "\n";
}


void demo3()
{
    // initializer list construction
    ranger rz = { {5,10}, {12,17}, {30,34} };

    std::cout << "Printing ranger " << rz << "\n";
    std::cout << ":";
    for (int i : rz)
        std::cout << " " << i;
    /* same as:
     *  for (auto &rr : rz.forest)
     *      for (int i : rr)
     *          std::cout << " " << i;
     */
    std::cout << "\n";
}


void demo4()
{
    ranger r = { {10,20}, {50,60}, {30,40} };

    std::cout << "Arithmetic on: " << r << "\n";
    std::cout << "\n";

    auto ints = {
         8,  9, 10, 11, 12,
        18, 19, 20, 21, 22,
        28, 29, 30, 31, 32,
        38, 39, 40, 41, 42,
        48, 49, 50, 51, 52,
        58, 59, 60, 61, 62
    };

    for (int s : ints)
    for (int e : ints) {
        if (s >= e)
            continue;
        ranger::range rr = {s,e};
        ranger r2 = r;
        r2.insert(rr);
        std::cout << " + " << rr << " -> " << r2 << "\n";
    }
}


void breaker()
{
    std::cout << "\n---\n\n";
}


int main()
{
    demo1(); breaker();
    demo2(); breaker();
    demo3(); breaker();
    demo4();
}