libstdc++-v3/testsuite/experimental/any/cons/2.cc

   1 // { dg-do run { target c++14 } }
   2
   3 // Copyright (C) 2014-2020 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #include <experimental/any>
  21 #include <testsuite_hooks.h>
  22
  23 using std::experimental::any;
  24 using std::experimental::any_cast;
  25
  26 bool moved = false;
  27 bool copied = false;
  28
  29 struct X
  30 {
  31   X() = default;
  32   X(const X&) { copied = true; }
  33   X(X&& x) { moved = true; }
  34 };
  35
  36 struct X2
  37 {
  38   X2() = default;
  39   X2(const X2&) { copied = true; }
  40   X2(X2&& x) noexcept { moved = true; }
  41 };
  42
  43 void test01()
  44 {
  45   moved = false;
  46   X x;
  47   any a1(x);
  48   VERIFY(moved == false);
  49   any a2(std::move(x));
  50   VERIFY(moved == true);
  51 }
  52
  53 void test02()
  54 {
  55   moved = false;
  56   X x;
  57   any a1(x);
  58   VERIFY(moved == false);
  59   copied = false;
  60   any a2(std::move(a1));
  61   VERIFY(copied == false);
  62 }
  63
  64 void test03()
  65 {
  66   moved = false;
  67   X2 x;
  68   any a1(x);
  69   VERIFY(moved == false);
  70   copied = false;
  71   any a2(std::move(a1));
  72   VERIFY(copied == false);
  73   VERIFY(moved == true);
  74 }
  75
  76 int main()
  77 {
  78   test01();
  79   test02();
  80   test03();
  81 }