libstdc++-v3/testsuite/30_threads/future/cons/default.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-gthreads "" }
   3
   4 // Copyright (C) 2010-2019 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21
  22 #include <future>
  23 #include <testsuite_hooks.h>
  24 #include <testsuite_tr1.h>
  25
  26 void test01()
  27 {
  28   using std::future;
  29   using namespace __gnu_test;
  30
  31   bool __attribute__((unused)) test = true;
  32
  33   future<int> p1;
  34   VERIFY( !p1.valid() );
  35   future<int&> p2;
  36   VERIFY( !p2.valid() );
  37   future<void> p3;
  38   VERIFY( !p3.valid() );
  39   future<ClassType> p4;
  40   VERIFY( !p4.valid() );
  41   future<AbstractClass&> p5;
  42   VERIFY( !p5.valid() );
  43 }
  44
  45 int main()
  46 {
  47   test01();
  48   return 0;
  49 }