libstdc++-v3/testsuite/30_threads/thread/cons/moveable.cc

   1 // { dg-do run }
   2 // { dg-options "-pthread"  }
   3 // { dg-require-effective-target c++11 }
   4 // { dg-require-effective-target pthread }
   5 // { dg-require-gthreads "" }
   6
   7 // Copyright (C) 2009-2019 Free Software Foundation, Inc.
   8 //
   9 // This file is part of the GNU ISO C++ Library.  This library is free
  10 // software; you can redistribute it and/or modify it under the
  11 // terms of the GNU General Public License as published by the
  12 // Free Software Foundation; either version 3, or (at your option)
  13 // any later version.
  14
  15 // This library is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19
  20 // You should have received a copy of the GNU General Public License along
  21 // with this library; see the file COPYING3.  If not see
  22 // <http://www.gnu.org/licenses/>.
  23
  24
  25 #include <thread>
  26 #include <utility>
  27 #include <testsuite_hooks.h>
  28
  29 struct moveable
  30 {
  31   moveable() = default;
  32   ~moveable() = default;
  33   moveable(const moveable& c) = delete;
  34   moveable& operator=(const moveable&) = delete;
  35   moveable(moveable&&) { }
  36
  37   void operator()() const { }
  38 };
  39
  40
  41 void test01()
  42 {
  43   moveable m;
  44   std::thread b(std::move(m));
  45   std::thread::id id_initial = b.get_id();
  46   VERIFY( b.joinable() );
  47   VERIFY( id_initial != std::thread::id() );
  48
  49   // copy move construct
  50   // copied new thread old id, original thread default id
  51   std::thread c(std::move(b));
  52   VERIFY( c.joinable() );
  53   VERIFY( c.get_id() == id_initial );
  54   VERIFY( !b.joinable() );
  55   VERIFY( b.get_id() == std::thread::id() );
  56
  57   // copy move assign
  58   std::thread d;
  59   VERIFY( !d.joinable() );
  60   VERIFY( d.get_id() == std::thread::id() );
  61   d = std::move(c);
  62   VERIFY( d.joinable() );
  63   VERIFY( d.get_id() == id_initial );
  64   VERIFY( !c.joinable() );
  65   VERIFY( c.get_id() == std::thread::id() );
  66
  67   d.join();
  68 }
  69
  70 int main(void)
  71 {
  72   test01();
  73   return 0;
  74 }