test_virtual_overload_function_linux.cpp

//for linux gcc
#include<iostream>
#include "stub.h"
using namespace std;
class A{
    int i;
public:
    virtual int foo(int a){
        cout<<"I am A_foo"<<endl;
        return 0;
    }
    virtual int foo(double a){
        cout<<"I am A_foo"<<endl;
        return 0;
    }
};

int foo_stub(void* obj, int a)
{
    A* o= (A*)obj;
    cout<<"I am foo_stub"<<endl;
    return 0;
}


int main()
{
    typedef int (*fptr)(A*,int);
    fptr A_foo = (fptr)((int(A::*)(int))&A::foo);
    Stub stub;
    stub.set(A_foo, foo_stub);
    A a;
    a.foo(1);
    return 0;
}