allocate_unique_arrays_test.cpp 2.6 KB

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  1. /*
  2. Copyright 2019 Glen Joseph Fernandes
  3. (glenjofe@gmail.com)
  4. Distributed under the Boost Software License, Version 1.0.
  5. (http://www.boost.org/LICENSE_1_0.txt)
  6. */
  7. #include <boost/config.hpp>
  8. #if (!defined(BOOST_LIBSTDCXX_VERSION) || \
  9. BOOST_LIBSTDCXX_VERSION >= 48000) && \
  10. !defined(BOOST_NO_CXX11_SMART_PTR) && \
  11. !defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX)
  12. #include <boost/smart_ptr/allocate_unique.hpp>
  13. #include <boost/core/lightweight_test.hpp>
  14. template<class T = void>
  15. struct creator {
  16. typedef T value_type;
  17. typedef T* pointer;
  18. template<class U>
  19. struct rebind {
  20. typedef creator<U> other;
  21. };
  22. creator() { }
  23. template<class U>
  24. creator(const creator<U>&) { }
  25. T* allocate(std::size_t size) {
  26. return static_cast<T*>(::operator new(sizeof(T) * size));
  27. }
  28. void deallocate(T* ptr, std::size_t) {
  29. ::operator delete(ptr);
  30. }
  31. };
  32. template<class T, class U>
  33. inline bool
  34. operator==(const creator<T>&, const creator<U>&)
  35. {
  36. return true;
  37. }
  38. template<class T, class U>
  39. inline bool
  40. operator!=(const creator<T>&, const creator<U>&)
  41. {
  42. return false;
  43. }
  44. int main()
  45. {
  46. {
  47. std::unique_ptr<int[][2],
  48. boost::alloc_deleter<int[][2], creator<int> > > result =
  49. boost::allocate_unique<int[][2]>(creator<int>(), 2, {0, 1});
  50. BOOST_TEST(result[0][0] == 0);
  51. BOOST_TEST(result[0][1] == 1);
  52. BOOST_TEST(result[1][0] == 0);
  53. BOOST_TEST(result[1][1] == 1);
  54. }
  55. {
  56. std::unique_ptr<int[][2],
  57. boost::alloc_deleter<int[2][2], creator<int> > > result =
  58. boost::allocate_unique<int[2][2]>(creator<int>(), {0, 1});
  59. BOOST_TEST(result[0][0] == 0);
  60. BOOST_TEST(result[0][1] == 1);
  61. BOOST_TEST(result[1][0] == 0);
  62. BOOST_TEST(result[1][1] == 1);
  63. }
  64. {
  65. std::unique_ptr<const int[][2],
  66. boost::alloc_deleter<const int[][2], creator<> > > result =
  67. boost::allocate_unique<const int[][2]>(creator<>(), 2, {0, 1});
  68. BOOST_TEST(result[0][0] == 0);
  69. BOOST_TEST(result[0][1] == 1);
  70. BOOST_TEST(result[1][0] == 0);
  71. BOOST_TEST(result[1][1] == 1);
  72. }
  73. {
  74. std::unique_ptr<const int[][2],
  75. boost::alloc_deleter<const int[2][2], creator<> > > result =
  76. boost::allocate_unique<const int[2][2]>(creator<>(), {0, 1});
  77. BOOST_TEST(result[0][0] == 0);
  78. BOOST_TEST(result[0][1] == 1);
  79. BOOST_TEST(result[1][0] == 0);
  80. BOOST_TEST(result[1][1] == 1);
  81. }
  82. return boost::report_errors();
  83. }
  84. #else
  85. int main()
  86. {
  87. return 0;
  88. }
  89. #endif