move_assign_pass.cpp 2.6 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/shared_mutex.hpp>
  14. // template <class Mutex> class shared_lock;
  15. // shared_lock(shared_lock const&) = delete;
  16. #include <boost/thread/lock_types.hpp>
  17. #include <boost/thread/shared_mutex.hpp>
  18. #include <boost/detail/lightweight_test.hpp>
  19. boost::shared_mutex m0;
  20. boost::shared_mutex m1;
  21. int main()
  22. {
  23. {
  24. boost::shared_lock<boost::shared_mutex> lk0(m0);
  25. boost::shared_lock<boost::shared_mutex> lk1(m1);
  26. lk1 = boost::move(lk0);
  27. BOOST_TEST(lk1.mutex() == &m0);
  28. BOOST_TEST(lk1.owns_lock() == true);
  29. BOOST_TEST(lk0.mutex() == 0);
  30. BOOST_TEST(lk0.owns_lock() == false);
  31. }
  32. {
  33. boost::shared_lock<boost::shared_mutex> lk1;
  34. lk1 = BOOST_THREAD_MAKE_RV_REF(boost::shared_lock<boost::shared_mutex>(m0));
  35. BOOST_TEST(lk1.mutex() == &m0);
  36. BOOST_TEST(lk1.owns_lock() == true);
  37. }
  38. {
  39. boost::unique_lock<boost::shared_mutex> lk0(m0);
  40. boost::shared_lock<boost::shared_mutex> lk1(m1);
  41. lk1 = BOOST_THREAD_MAKE_RV_REF(boost::shared_lock<boost::shared_mutex>(boost::move(lk0)));
  42. BOOST_TEST(lk1.mutex() == &m0);
  43. BOOST_TEST(lk1.owns_lock() == true);
  44. BOOST_TEST(lk0.mutex() == 0);
  45. BOOST_TEST(lk0.owns_lock() == false);
  46. }
  47. {
  48. boost::shared_lock<boost::shared_mutex> lk1;
  49. lk1 = BOOST_THREAD_MAKE_RV_REF(boost::shared_lock<boost::shared_mutex>(boost::unique_lock<boost::shared_mutex>(m0)));
  50. BOOST_TEST(lk1.mutex() == &m0);
  51. BOOST_TEST(lk1.owns_lock() == true);
  52. }
  53. {
  54. boost::upgrade_lock<boost::shared_mutex> lk0(m0);
  55. boost::shared_lock<boost::shared_mutex> lk1(m1);
  56. lk1 = BOOST_THREAD_MAKE_RV_REF(boost::shared_lock<boost::shared_mutex>(boost::move(lk0)));
  57. BOOST_TEST(lk1.mutex() == &m0);
  58. BOOST_TEST(lk1.owns_lock() == true);
  59. BOOST_TEST(lk0.mutex() == 0);
  60. BOOST_TEST(lk0.owns_lock() == false);
  61. }
  62. {
  63. boost::shared_lock<boost::shared_mutex> lk1;
  64. lk1 = BOOST_THREAD_MAKE_RV_REF(boost::shared_lock<boost::shared_mutex>(boost::upgrade_lock<boost::shared_mutex>(m0)));
  65. BOOST_TEST(lk1.mutex() == &m0);
  66. BOOST_TEST(lk1.owns_lock() == true);
  67. }
  68. return boost::report_errors();
  69. }