import java.util.ArrayList;

class TestFigur {
    
    public static void main(String[] args) {
        Kvadrat k = new Kvadrat(4);
        Firkant f = new Firkant(4, 4);

        if (k.equals(f)) {
            System.out.println("Figurene er like");
        }
        
        System.out.println(k.areal());
        
        System.out.println(k);

        ArrayList<Figur> figurer = new ArrayList<>();
        figurer.add(new Firkant(3, 4));
        figurer.add(new Kvadrat(5));
        figurer.add(new Firkant(5, 5));
        figurer.add(new Firkant(4, 4));

        for (Figur figur : figurer) {
            System.out.println(figur);
        }

        Firkant f1 = new Firkant(4, 5);
        if (testAreal(f1, 20)) {
            System.out.println("Test passert.");
        }
        else {
            System.out.println("Areal test feilet.");
        }

        
    }


    public static boolean testAreal(Figur f, int forventetAreal) {
        int faktiskAreal = f.areal();
        return faktiskAreal == forventetAreal;
    }
}