move_ctor_pass.cpp 1.6 KB

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  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. // Copyright (C) 2011 Vicente J. Botet Escriba
  10. //
  11. // Distributed under the Boost Software License, Version 1.0. (See accompanying
  12. // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  13. // <boost/thread/future.hpp>
  14. // class packaged_task<R>
  15. // packaged_task(packaged_task&& other);
  16. #define BOOST_THREAD_VERSION 4
  17. #if BOOST_THREAD_VERSION == 4
  18. #define BOOST_THREAD_DETAIL_SIGNATURE double()
  19. #else
  20. #define BOOST_THREAD_DETAIL_SIGNATURE double
  21. #endif
  22. #include <boost/thread/future.hpp>
  23. #include <boost/detail/lightweight_test.hpp>
  24. class A
  25. {
  26. long data_;
  27. public:
  28. explicit A(long i) : data_(i) {}
  29. long operator()() const {return data_;}
  30. long operator()(long i, long j) const {return data_ + i + j;}
  31. };
  32. int main()
  33. {
  34. {
  35. boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p0(A(5));
  36. boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p = boost::move(p0);
  37. BOOST_TEST(!p0.valid());
  38. BOOST_TEST(p.valid());
  39. boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
  40. //p(3, 'a');
  41. p();
  42. BOOST_TEST(f.get() == 5.0);
  43. }
  44. {
  45. boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p0;
  46. boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p = boost::move(p0);
  47. BOOST_TEST(!p0.valid());
  48. BOOST_TEST(!p.valid());
  49. }
  50. return boost::report_errors();
  51. }