libstdc++-v3/testsuite/30_threads/condition_variable_any/members/1.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) 2010-2019 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 #include <chrono>
  25 #include <condition_variable>
  26 #include <system_error>
  27 #include <testsuite_hooks.h>
  28
  29 struct Mutex
  30 {
  31   Mutex() : locked(false) { }
  32
  33   void lock()
  34   {
  35     if (locked)
  36       throw locked;
  37     mtx.lock();
  38     locked = true;
  39   }
  40
  41   void unlock()
  42   {
  43     if (!locked)
  44       throw locked;
  45     mtx.unlock();
  46     locked = false;
  47   }
  48
  49   std::mutex mtx;
  50   bool locked;
  51 };
  52
  53 void test01()
  54 {
  55   try
  56     {
  57       std::chrono::microseconds ms(500);
  58       std::condition_variable_any c1;
  59       Mutex m;
  60       m.lock();
  61
  62       auto then = std::chrono::system_clock::now();
  63       std::cv_status result = c1.wait_for(m, ms);
  64       VERIFY( result == std::cv_status::timeout );
  65       VERIFY( (std::chrono::system_clock::now() - then) >= ms );
  66       VERIFY( m.locked );
  67     }
  68   catch (const std::system_error& e)
  69     {
  70       VERIFY( false );
  71     }
  72   catch (...)
  73     {
  74       VERIFY( false );
  75     }
  76 }
  77
  78 int main()
  79 {
  80   test01();
  81   return 0;
  82 }