libstdc++-v3/testsuite/20_util/unique_ptr/cons/array_convertible_neg.cc

   1 // { dg-do compile }
   2 // { dg-options "-std=gnu++11" }
   3
   4 // Copyright (C) 2012-2013 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 #include <memory>
  22
  23 struct A
  24 {
  25 };
  26
  27 struct B : A
  28 {
  29   virtual ~B() { }
  30 };
  31
  32 // 20.7.1.3 unique_ptr for array objects [unique.ptr.runtime]
  33
  34 struct D
  35 {
  36   template<typename T>
  37     void operator()(const T* p) const { delete[] p; }
  38 };
  39
  40 // Conversion from different type of unique_ptr<T[], D>
  41 void
  42 test01()
  43 {
  44   std::unique_ptr<B[], D> b(new B[1]);
  45   std::unique_ptr<A[], D> a(std::move(b)); //{ dg-error "no matching function" }
  46   a = std::move(b); //{ dg-error "no match" }
  47 }
  48
  49 // Conversion from non-array form of unique_ptr
  50 void
  51 test02()
  52 {
  53   std::unique_ptr<A> nonarray(new A);
  54   std::unique_ptr<A[]> array(std::move(nonarray)); //{ dg-error "no matching function" }
  55   array = std::move(nonarray); //{ dg-error "no match" }
  56 }
  57
  58 // { dg-prune-output "include" }