libstdc++-v3/testsuite/30_threads/packaged_task/cons/2.cc

   1 // { dg-do run { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-rtems* *-*-darwin* powerpc-ibm-aix* } }
   2 // { dg-options " -std=gnu++11 -pthread" { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* *-*-linux* *-*-gnu* powerpc-ibm-aix* } }
   3 // { dg-options " -std=gnu++11 -pthreads" { target *-*-solaris* } }
   4 // { dg-options " -std=gnu++11 " { target *-*-cygwin *-*-rtems* *-*-darwin* } }
   5 // { dg-require-cstdint "" }
   6 // { dg-require-gthreads "" }
   7 // { dg-require-atomic-builtins "" }
   8
   9 // Copyright (C) 2009-2016 Free Software Foundation, Inc.
  10 //
  11 // This file is part of the GNU ISO C++ Library.  This library is free
  12 // software; you can redistribute it and/or modify it under the
  13 // terms of the GNU General Public License as published by the
  14 // Free Software Foundation; either version 3, or (at your option)
  15 // any later version.
  16
  17 // This library is distributed in the hope that it will be useful,
  18 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 // GNU General Public License for more details.
  21
  22 // You should have received a copy of the GNU General Public License along
  23 // with this library; see the file COPYING3.  If not see
  24 // <http://www.gnu.org/licenses/>.
  25
  26
  27 #include <future>
  28 #include <testsuite_hooks.h>
  29 #include <testsuite_tr1.h>
  30
  31 using namespace __gnu_test;
  32
  33 int f1() { return 0; }
  34 int& f2() { static int i; return i; }
  35 void f3() { }
  36 ClassType f4() { return ClassType(); }
  37
  38 struct Derived : AbstractClass {
  39   void rotate(int) { }
  40   Derived& operator()(int i) { rotate(i); return *this; }
  41 } f5;
  42
  43 void test01()
  44 {
  45   bool test __attribute__((unused)) = true;
  46   using std::packaged_task;
  47
  48   packaged_task<int ()> p1(f1);
  49   VERIFY( p1.valid() );
  50   packaged_task<int& ()> p2(f2);
  51   VERIFY( p2.valid() );
  52   packaged_task<void ()> p3(f3);
  53   VERIFY( p3.valid() );
  54   packaged_task<ClassType ()> p4(f4);
  55   VERIFY( p4.valid() );
  56   packaged_task<AbstractClass& (int)> p5(f5);
  57   VERIFY( p5.valid() );
  58 }
  59
  60 int main()
  61 {
  62   test01();
  63   return 0;
  64 }