C++ 简单的虚函数测试

/*
 * test1.cc
 *
 *  Created on: 2011-12-1
 *      Author: simondu
 */

#include "head.h"

class A
{
public:
    virtual ~A()
    {
    }

    virtual void fun()
    {
        printf("A::fun\n");
    }
    virtual void fun2()
    {
        printf("A::fun2\n");
    }
    virtual void fun3() = 0;
    void test()
    {
        printf("A::test\n");
        fun2();
        test2();
    }
    void test2()
    {
        printf("A::test2\n");
    }
};



class B  : public A
{
public:
    virtual ~B()
    {
    }

    virtual void fun()
    {
        printf("B::fun\n");
    }
    virtual void fun2()
    {
        printf("B::fun2\n");
    }
    virtual void fun3()
    {
        printf("B::fun3\n");
    }
    void test()
    {
        printf("B::test\n");
        fun2();
        test2();
    }
    void test2()
    {
        printf("B::test2\n");
    }
};


/*
 * main.cc
 *
 *  Created on: 2011-12-1
 *      Author: simondu
 */

#include "head.h"
using namespace std;
#include "test1.cc"
int main(int argc, char* argv[])
{
    printf("Starting...... \n");
    A* pa =new B();
    pa->test();
    pa->fun3();

    printf("----------------\n");
    B b;
    b.test();
    printf("Ending...... \n");
    return 0;
}