libstdc++-v3/testsuite/30_threads/shared_lock/70766.cc

   1 // Copyright (C) 2016-2019 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-options "-std=gnu++17" }
  19 // { dg-do compile }
  20
  21 #include <shared_mutex>
  22
  23 namespace adl
  24 {
  25   template<typename T>
  26     void operator&(const T&) = delete;
  27
  28   struct M : std::shared_timed_mutex { };
  29 }
  30
  31 void
  32 test01()
  33 {
  34   using namespace std::chrono_literals;
  35
  36   adl::M m;
  37   std::shared_lock<adl::M> l1(m);
  38   std::shared_lock<adl::M> l2(m, std::defer_lock);
  39   std::shared_lock<adl::M> l3(m, std::try_to_lock);
  40   m.lock_shared();
  41   std::shared_lock<adl::M> l4(m, std::adopt_lock);
  42   std::shared_lock<adl::M> l5(m, std::chrono::system_clock::now() + 1ms);
  43   std::shared_lock<adl::M> l6(m, 1ms);
  44 }