ceph/src/boost/libs/thread/test/sync/futures/promise/set_value_const_pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 // Copyright (C) 2011 Vicente J. Botet Escriba
  11 //
  12 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
  13 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  14
  15 // <boost/thread/future.hpp>
  16
  17 // class promise<R>
  18
  19 // void promise::set_value(const R& r);
  20
  21 #define BOOST_THREAD_VERSION 3
  22
  23 #include <boost/thread/future.hpp>
  24 #include <boost/detail/lightweight_test.hpp>
  25 #include <boost/static_assert.hpp>
  26
  27 struct A
  28 {
  29   A()
  30   {
  31   }
  32   A(const A&)
  33   {
  34     throw 10;
  35   }
  36 };
  37
  38 int main()
  39 {
  40
  41   {
  42     typedef int T;
  43     T i = 3;
  44     boost::promise<T> p;
  45     boost::future<T> f = p.get_future();
  46     p.set_value(i);
  47     ++i;
  48     BOOST_TEST(f.get() == 3);
  49     --i;
  50     try
  51     {
  52       p.set_value(i);
  53       BOOST_TEST(false);
  54     }
  55     catch (const boost::future_error& e)
  56     {
  57       BOOST_TEST(e.code() == boost::system::make_error_code(boost::future_errc::promise_already_satisfied));
  58     }
  59     catch (...)
  60     {
  61       BOOST_TEST(false);
  62     }
  63   }
  64   {
  65     typedef A T;
  66     T i;
  67     boost::promise<T> p;
  68     boost::future<T> f = p.get_future();
  69     try
  70     {
  71       p.set_value(i);
  72       BOOST_TEST(false);
  73     }
  74     catch (int j)
  75     {
  76       BOOST_TEST(j == 10);
  77     }
  78     catch (...)
  79     {
  80       BOOST_TEST(false);
  81     }
  82   }
  83
  84   return boost::report_errors();
  85 }
  86