source: lemon-0.x/test/xy_test.cc @ 1440:3d2e3cfb2a6c

/* -*- C++ -*-
 * test/xy_test.cc - Part of LEMON, a generic C++ optimization library
 *
 * Copyright (C) 2005 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
 * (Egervary Research Group on Combinatorial Optimization, EGRES).
 *
 * Permission to use, modify and distribute this software is granted
 * provided that this copyright notice appears in all copies. For
 * precise terms see the accompanying LICENSE file.
 *
 * This software is provided "AS IS" with no warranty of any kind,
 * express or implied, and with no claim as to its suitability for any
 * purpose.
 *
 */

#include <lemon/xy.h>
#include <iostream>
#include "test_tools.h"

using namespace std;
using namespace lemon;
int main()
{

  cout << "Testing classes `xy' and `boundingbox'." << endl;

        typedef xy<int> XY;
        
        XY seged;
        XY a(1,2);
        XY b(3,4);

        seged = a+b;
        check(seged.x==4 && seged.y==6, "Wrong vector addition");

        seged = a-b;
        check(seged.x==-2 && seged.y==-2, "a-b");

        check(a.normSquare()==5,"Wrong norm calculation");
        check(a*b==11, "a*b");

        int l=2;
        seged = a*l;
        check(seged.x==2 && seged.y==4, "a*l");

        seged = b/l;
        check(seged.x==1 && seged.y==2, "b/l");

        typedef BoundingBox<int> BB;
        BB doboz1;
        check(doboz1.empty(), "It should be empty.");
        
        doboz1 += a;
        check(!doboz1.empty(), "It should not be empty.");
        doboz1 += b;

        check(doboz1.bottomLeft().x==1 && 
              doboz1.bottomLeft().y==2 &&
              doboz1.topRight().x==3 && 
              doboz1.topRight().y==4,  
              "added points to box");

        seged.x=2;seged.y=3;
        check(doboz1.inside(seged),"It should be inside.");

        seged.x=1;seged.y=3;
        check(doboz1.inside(seged),"It should be inside.");

        seged.x=0;seged.y=3;
        check(!doboz1.inside(seged),"It should not be inside.");

        BB doboz2(seged);
        check(!doboz2.empty(),
              "It should not be empty. Constructed from 1 point.");

        doboz2 += doboz1;
        check(doboz2.inside(seged),
              "It should be inside. Incremented a box with an other.");
}