gdb/testsuite/gdb.cp/smartp.cc

/* This test script is part of GDB, the GNU debugger.

   Copyright 1999, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
   Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
   */

class Type1{
  public:
  int foo(){
    return 11;
  }
};

class Type2{
  public:
  int foo(){
    return 22;
  }
};

class Type3{
  public:
  int foo(int){
    return 33;
  }
  int foo(char){
    return 44;
  }
};

class Type4 {
  public:
    int a;
    int b;
};

int foo (Type3, float)
{
  return 55;
}

class MyPointer{
  Type1 *p;
 public:
  MyPointer(Type1 *pointer){
    p = pointer;
  }

  Type1 *operator->(){
    return p;
  }
};

template <typename T> class SmartPointer{
  T *p;
 public:
  SmartPointer(T *pointer){
    p = pointer;
  }

  T *operator->(){
    return p;
  }
};


class A {
 public:
  int inta;
  int foo() { return 66; }
};

class B {
 public:
  A a;
  A* operator->(){
    return &a;
  }
};

class C {
 public:
  B b;
  B& operator->(){
    return b;
  }
};

class C2 {
 public:
  B b;
  B operator->(){
    return b;
  }
};

int main(){
  Type1 mt1;
  Type2 mt2;
  Type3 mt3;

  Type4 mt4;
  mt4.a = 11;
  mt4.b = 12;

  MyPointer mp(&mt1);
  Type1 *mtp = &mt1;

  SmartPointer<Type1> sp1(&mt1);
  SmartPointer<Type2> sp2(&mt2);
  SmartPointer<Type3> sp3(&mt3);
  SmartPointer<Type4> sp4(&mt4);

  mp->foo();
  mtp->foo();

  sp1->foo();
  sp2->foo();

  sp3->foo(1);
  sp3->foo('a');

  sp4->a;
  sp4->b;

  Type4 *mt4p = &mt4;
  mt4p->a;
  mt4p->b;

  A a;
  B b;
  C c;
  C2 c2;

  a.inta = 77;
  b.a = a;
  c.b = b;
  c2.b = b;

  a.foo();
  b->foo();
  c->foo();

  b->inta = 77;
  c->inta = 77;
  c2->inta = 77;

  return 0; // end of main
}