libstdc++-v3/testsuite/30_threads/async/launch.cc

   1 // { dg-do run }
   2 // { dg-additional-options "-pthread" { target pthread } }
   3 // { dg-require-effective-target c++11 }
   4 // { dg-require-gthreads "" }
   5
   6 // Copyright (C) 2011-2024 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23
  24 #include <future>
  25 #include <testsuite_hooks.h>
  26
  27 void test01()
  28 {
  29   using std::launch;
  30
  31   const launch none{};
  32   const launch both = launch::async|launch::deferred;
  33   const launch all = ~none;
  34
  35   VERIFY( (none & both) == none );
  36   VERIFY( (none | both) == both );
  37   VERIFY( (none ^ both) == both );
  38
  39   VERIFY( (none & all) == none );
  40   VERIFY( (none | all) == all );
  41   VERIFY( (none ^ all) == all );
  42
  43   VERIFY( (both & all) == both );
  44   VERIFY( (both | all) == all );
  45   VERIFY( (both ^ all) == ~both );
  46
  47   VERIFY( (none & launch::async) == none );
  48   VERIFY( (none & launch::deferred) == none );
  49
  50   VERIFY( (none | launch::async) == launch::async );
  51   VERIFY( (none | launch::deferred) == launch::deferred );
  52
  53   VERIFY( (none ^ launch::async) == launch::async );
  54   VERIFY( (none ^ launch::deferred) == launch::deferred );
  55
  56   VERIFY( (none & none) == none );
  57   VERIFY( (none | none) == none );
  58   VERIFY( (none ^ none) == none );
  59
  60   VERIFY( (both & both) == both );
  61   VERIFY( (both | both) == both );
  62   VERIFY( (both ^ both) == none );
  63
  64   VERIFY( (all & all) == all );
  65   VERIFY( (all | all) == all );
  66   VERIFY( (all ^ all) == none );
  67
  68   launch l = none;
  69
  70   l &= none;
  71   VERIFY( l == none );
  72   l |= none;
  73   VERIFY( l == none );
  74   l ^= none;
  75   VERIFY( l == none );
  76
  77   l &= both;
  78   VERIFY( l == none );
  79   l |= both;
  80   VERIFY( l == both );
  81   l ^= both;
  82   VERIFY( l == none );
  83 }
  84
  85 int main()
  86 {
  87   test01();
  88   return 0;
  89 }