libstdc++-v3/testsuite/20_util/unique_ptr/54351.cc

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-do run }
   3
   4 // Copyright (C) 2012-2014 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 // 20.7.1 Template class unique_ptr [unique.ptr]
  22
  23 #include <memory>
  24 #include <testsuite_hooks.h>
  25
  26 struct A;
  27
  28 struct B
  29 {
  30   std::unique_ptr<A> a;
  31 };
  32
  33 struct A
  34 {
  35   B* b;
  36   ~A() { VERIFY(b->a != nullptr); }
  37 };
  38
  39 void test01()
  40 {
  41   B b;
  42   b.a.reset(new A);
  43   b.a->b = &b;
  44 }
  45
  46 struct C;
  47
  48 struct D
  49 {
  50   std::unique_ptr<C[]> c;
  51 };
  52
  53 struct C
  54 {
  55   D* d;
  56   ~C() { VERIFY(d->c != nullptr); }
  57 };
  58
  59 void test02()
  60 {
  61   D d;
  62   d.c.reset(new C[1]);
  63   d.c[0].d = &d;
  64 }
  65
  66 int main()
  67 {
  68   test01();
  69   test02();
  70 }