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

   1 // { dg-do run { target c++14 } }
   2
   3 // Copyright (C) 2014-2017 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
  30 struct X
  31 {
  32   X() = default;
  33   X(const X&) { copied = true; }
  34   X(X&& x) { moved = true; }
  35 };
  36
  37 struct X2
  38 {
  39   X2() = default;
  40   X2(const X2&) { copied = true; }
  41   X2(X2&& x) noexcept { moved = true; }
  42 };
  43
  44 void test01()
  45 {
  46   moved = false;
  47   X x;
  48   any a1;
  49   a1 = x;
  50   VERIFY(moved == false);
  51   any a2;
  52   copied = false;
  53   a2 = std::move(x);
  54   VERIFY(moved == true);
  55   VERIFY(copied == false);
  56 }
  57
  58 void test02()
  59 {
  60   moved = false;
  61   X x;
  62   any a1;
  63   a1 = x;
  64   VERIFY(moved == false);
  65   any a2;
  66   copied = false;
  67   a2 = std::move(a1);
  68   VERIFY(moved == false);
  69   VERIFY(copied == false);
  70 }
  71
  72 void test03()
  73 {
  74   moved = false;
  75   X2 x;
  76   any a1;
  77   a1 = x;
  78   VERIFY(copied && moved);
  79   any a2;
  80   moved = false;
  81   copied = false;
  82   a2 = std::move(a1);
  83   VERIFY(moved == true);
  84   VERIFY(copied == false);
  85  }
  86
  87 int main()
  88 {
  89   test01();
  90   test02();
  91   test03();
  92 }