/*
 * Copyright (C) 2015-2017 Alibaba Group Holding Limited
 */

#include "aos/kernel.h"
#include <aos_cpp.h>
#include <iostream>
#include <stdio.h>

using namespace std;

extern "C" int application_start(int argc, char *argv[]);

class A {
  public:
    int          a;
    void         foo() { cout << "A class foo." << endl; }
    virtual void fun() { cout << "A class fun." << endl; }

    A() { a = 5; }
};

class B : public A {
  public:
    int  b;
    void foo() { cout << "B class foo." << endl; }
    void fun() { cout << "B class fun." << endl; }

    B() { b = 10; }
};

static B static_class_b;

static void static_class_test(void)
{
    printf("B member b value is %d.\n", static_class_b.b);
    printf("B member a value is %d.\n", static_class_b.a);
}

static void class_ploy_test(void)
{
    A *pa = new A;
    B *pb = new B;
    A *pc = (A *)pb;

    pa->foo();
    pa->fun();

    pb->foo();
    pb->fun();

    pc->foo();
    pc->fun();

    delete pa;
    delete pb;
}

static double division(int a, int b)
{
    if (b == 0) {
        throw "Division by zero condition!";
    }
    return (a / b);
}

static void exception_test(void)
{
    int    x = 50;
    int    y = 0;
    double z = 0;

    try {
        z = division(x, y);
        cout << z << endl;
    } catch (const char *msg) {
        cout << "catch exception" << endl;
        cerr << msg << endl;
    }
}