package tiaozhanti;

import jichuti.Circle;

public class ChallengeTest {
    public static void main(String[] args) {
        // 1. 测试图形转换
        ShapeConverter converter = new BasicShapeConverter();
        Circle circle = new Circle("yellow", 2);  // 面积≈12.57
        Oval oval = (Oval) converter.convert(circle, Oval.class);  // 圆形→椭圆形
        Circle convertedCircle = (Circle) converter.convert(oval, Circle.class);  // 椭圆形→圆形

        // 2. 测试复合图形
        CompositeShape composite = new CompositeShape("mixed");
        composite.addShape(new Square());    // 面积9
        composite.addShape(new Circle("blue", 2));   // 面积≈12.57
        composite.addShape(new Oval("green", 2, 1)); // 面积≈6.28

        // 输出结果
        System.out.println("\n=== 挑战题测试结果 ===");
        System.out.println("圆形转椭圆形面积：" + String.format("%.2f", oval.getArea()));
        System.out.println("椭圆形转回圆形面积：" + String.format("%.2f", convertedCircle.getArea()));

        System.out.println("\n复合图形包含 " + composite.getChildren().size() + " 个子图形");
        System.out.println("复合图形总面积：" + String.format("%.2f", composite.getArea()));
    }
}