libstdc++-v3/testsuite/30_threads/condition_variable_any/members/1.cc

   1 // { dg-do run { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-darwin* powerpc-ibm-aix* } }
   2 // { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* powerpc-ibm-aix* } }
   3 // { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } }
   4 // { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } }
   5 // { dg-require-cstdint "" }
   6 // { dg-require-gthreads "" }
   7
   8 // Copyright (C) 2010-2014 Free Software Foundation, Inc.
   9 //
  10 // This file is part of the GNU ISO C++ Library.  This library is free
  11 // software; you can redistribute it and/or modify it under the
  12 // terms of the GNU General Public License as published by the
  13 // Free Software Foundation; either version 3, or (at your option)
  14 // any later version.
  15
  16 // This library is distributed in the hope that it will be useful,
  17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 // GNU General Public License for more details.
  20
  21 // You should have received a copy of the GNU General Public License along
  22 // with this library; see the file COPYING3.  If not see
  23 // <http://www.gnu.org/licenses/>.
  24
  25 #include <chrono>
  26 #include <condition_variable>
  27 #include <system_error>
  28 #include <testsuite_hooks.h>
  29
  30 struct Mutex
  31 {
  32   Mutex() : locked(false) { }
  33
  34   void lock()
  35   {
  36     if (locked)
  37       throw locked;
  38     mtx.lock();
  39     locked = true;
  40   }
  41
  42   void unlock()
  43   {
  44     if (!locked)
  45       throw locked;
  46     mtx.unlock();
  47     locked = false;
  48   }
  49
  50   std::mutex mtx;
  51   bool locked;
  52 };
  53
  54 void test01()
  55 {
  56   bool test __attribute__((unused)) = true;
  57
  58   try
  59     {
  60       std::chrono::microseconds ms(500);
  61       std::condition_variable_any c1;
  62       Mutex m;
  63       m.lock();
  64
  65       auto then = std::chrono::system_clock::now();
  66       std::cv_status result = c1.wait_for(m, ms);
  67       VERIFY( result == std::cv_status::timeout );
  68       VERIFY( (std::chrono::system_clock::now() - then) >= ms );
  69       VERIFY( m.locked );
  70     }
  71   catch (const std::system_error& e)
  72     {
  73       VERIFY( false );
  74     }
  75   catch (...)
  76     {
  77       VERIFY( false );
  78     }
  79 }
  80
  81 int main()
  82 {
  83   test01();
  84   return 0;
  85 }