value_ptr_test_3.cc File Reference

#include "cetlib/value_ptr.h"
#include <cassert>
#include <memory>

Go to the source code of this file.

Classes
class	simple_base

Functions
int	main ()

Function Documentation

int main

(

void

)

Definition at line 55 of file value_ptr_test_3.cc.

{
  assert(simple_base::n_alive == 0);
  {
    cet::value_ptr<simple_base> a(new simple_base(10));
    assert(simple_base::n_alive == 1);
    cet::value_ptr<simple_base> b(a);
    assert(simple_base::n_alive == 2);

    assert(*a == *b);
    assert(a->isSame(*b) == false);
  } // a and b destroyed
  assert(simple_base::n_alive == 0);

  {
    std::unique_ptr<simple_base> c(new simple_base(11));
    std::unique_ptr<simple_base> d(new simple_base(11));
    simple_base* pc = c.get();
    simple_base* pd = d.get();
    assert(pc != 0);
    assert(pd != 0);

    cet::value_ptr<simple_base> e(c.release());
    assert(c.get() == 0);
    assert(*d == *e);
    assert(e.operator->() == pc);

    cet::value_ptr<simple_base> f;
    if (f)
      assert(0);
    else {
    }
    f.reset(d.release());
    assert(d.get() == 0);
    assert(*e == *f);
    assert(f.operator->() == pd);
    if (f) {
    } else
      assert(0);

    assert(simple_base::n_alive == 2);
    assert(simple_base::n_born == 4);
  }
  assert(simple_base::n_alive == 0);
  assert(simple_base::n_born == 4);
}