libstdc++-v3/testsuite/30_threads/async/launch.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-cstdint "" }
   6 // { dg-require-gthreads "" }
   7
   8 // Copyright (C) 2011-2018 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
  26 #include <future>
  27 #include <testsuite_hooks.h>
  28
  29 void test01()
  30 {
  31   using std::launch;
  32
  33   const launch none{};
  34   const launch both = launch::async|launch::deferred;
  35   const launch all = ~none;
  36
  37   VERIFY( (none & both) == none );
  38   VERIFY( (none | both) == both );
  39   VERIFY( (none ^ both) == both );
  40
  41   VERIFY( (none & all) == none );
  42   VERIFY( (none | all) == all );
  43   VERIFY( (none ^ all) == all );
  44
  45   VERIFY( (both & all) == both );
  46   VERIFY( (both | all) == all );
  47   VERIFY( (both ^ all) == ~both );
  48
  49   VERIFY( (none & launch::async) == none );
  50   VERIFY( (none & launch::deferred) == none );
  51
  52   VERIFY( (none | launch::async) == launch::async );
  53   VERIFY( (none | launch::deferred) == launch::deferred );
  54
  55   VERIFY( (none ^ launch::async) == launch::async );
  56   VERIFY( (none ^ launch::deferred) == launch::deferred );
  57
  58   VERIFY( (none & none) == none );
  59   VERIFY( (none | none) == none );
  60   VERIFY( (none ^ none) == none );
  61
  62   VERIFY( (both & both) == both );
  63   VERIFY( (both | both) == both );
  64   VERIFY( (both ^ both) == none );
  65
  66   VERIFY( (all & all) == all );
  67   VERIFY( (all | all) == all );
  68   VERIFY( (all ^ all) == none );
  69
  70   launch l = none;
  71
  72   l &= none;
  73   VERIFY( l == none );
  74   l |= none;
  75   VERIFY( l == none );
  76   l ^= none;
  77   VERIFY( l == none );
  78
  79   l &= both;
  80   VERIFY( l == none );
  81   l |= both;
  82   VERIFY( l == both );
  83   l ^= both;
  84   VERIFY( l == none );
  85 }
  86
  87 int main()
  88 {
  89   test01();
  90   return 0;
  91 }