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// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* mips-sgi-irix6* powerpc-ibm-aix* } }

// { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* mips-sgi-irix6* powerpc-ibm-aix* } }

// { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } }

// { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } }

// { dg-require-cstdint "" }

// { dg-require-gthreads "" }

// Copyright (C) 2010, 2011, 2012 Free Software Foundation, Inc.

//

// This file is part of the GNU ISO C++ Library.  This library is free

// software; you can redistribute it and/or modify it under the

// terms of the GNU General Public License as published by the

// Free Software Foundation; either version 3, or (at your option)

// any later version.

// This library is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along

// with this library; see the file COPYING3.  If not see

// <http://www.gnu.org/licenses/>.

#include <chrono>

#include <condition_variable>

#include <system_error>

#include <testsuite_hooks.h>

struct Mutex

{

  Mutex() : locked(false) { }

  void lock()

  {

    if (locked)

      throw locked;

    mtx.lock();

    locked = true;

  }

  void unlock()

  {

    if (!locked)

      throw locked;

    mtx.unlock();

    locked = false;

  }

  std::mutex mtx;

  bool locked;

};

void test01()

{

  bool test __attribute__((unused)) = true;

  try

    {

      std::chrono::microseconds ms(500);

      std::condition_variable_any c1;

      Mutex m;

      m.lock();

      auto then = std::chrono::system_clock::now();

      std::cv_status result = c1.wait_for(m, ms);

      VERIFY( result == std::cv_status::timeout );

      VERIFY( (std::chrono::system_clock::now() - then) >= ms );

      VERIFY( m.locked );

    }

  catch (const std::system_error& e)

    {

      VERIFY( false );

    }

  catch (...)

    {

      VERIFY( false );

    }

}

int main()

{

  test01();

  return 0;

}