#include "TGraph.h"
#include "TH1.h"
#include "TF1.h"
#include "TCanvas.h"

#include <iostream>

class TGraphC: public TGraph{
public:
  
  TGraphC(){
    std::cout << "TGraphC" << std::endl;
  }

  ~TGraphC(){
    std::cout << "~TGraphC" << std::endl;
  }

  ClassDef(TGraphC, 1); // TGraphC
};

class TH1FC: public TH1F{
public:
  
  TH1FC(): TH1F("h","h", 10, 0, 1){
    std::cout << "TH1FC" << std::endl;
  }

  ~TH1FC(){
    std::cout << "~TH1FC" << std::endl;
  }

  ClassDef(TH1FC, 1); // TH1FC
};

class TF1C: public TF1{
public:
  
  TF1C(): TF1("f", "1", 0, 1){
    std::cout << "TF1C" << std::endl;
  }

  ~TF1C(){
    std::cout << "~TF1C" << std::endl;
  }

  ClassDef(TF1C, 1); // TF1C
};

void Draw(){
    
    TH1FC *h = new TH1FC;
    TGraphC *g = new TGraphC;
    TGraphC *g2 = (TGraphC*)(g->Clone());
    TF1C *f = new TF1C;
    h->SetBit(kCanDelete);
    g->SetBit(kCanDelete);
    g2->SetBit(kCanDelete);
    f->SetBit(kCanDelete);
    TCanvas *c = new TCanvas;
    h->Draw();
    // g->Draw("p");
    g2->Draw("p");
    f->Draw("SAME");
    delete c;
}