mem_fn_unary_addr_test.cpp 3.9 KB

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  1. #include <boost/config.hpp>
  2. #include <boost/detail/workaround.hpp>
  3. #if defined(BOOST_MSVC)
  4. #pragma warning(disable: 4786) // identifier truncated in debug info
  5. #pragma warning(disable: 4710) // function not inlined
  6. #pragma warning(disable: 4711) // function selected for automatic inline expansion
  7. #pragma warning(disable: 4514) // unreferenced inline removed
  8. #endif
  9. //
  10. // mem_fn_unary_addr_test.cpp - poisoned operator& test
  11. //
  12. // Copyright (c) 2009 Peter Dimov
  13. //
  14. // Distributed under the Boost Software License, Version 1.0.
  15. // See accompanying file LICENSE_1_0.txt or copy at
  16. // http://www.boost.org/LICENSE_1_0.txt
  17. //
  18. #include <boost/mem_fn.hpp>
  19. #if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
  20. #pragma warning(push, 3)
  21. #endif
  22. #include <iostream>
  23. #if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
  24. #pragma warning(pop)
  25. #endif
  26. unsigned int hash = 0;
  27. struct X
  28. {
  29. int f0() { f1(17); return 0; }
  30. int g0() const { g1(17); return 0; }
  31. int f1(int a1) { hash = (hash * 17041 + a1) % 32768; return 0; }
  32. int g1(int a1) const { hash = (hash * 17041 + a1 * 2) % 32768; return 0; }
  33. int f2(int a1, int a2) { f1(a1); f1(a2); return 0; }
  34. int g2(int a1, int a2) const { g1(a1); g1(a2); return 0; }
  35. int f3(int a1, int a2, int a3) { f2(a1, a2); f1(a3); return 0; }
  36. int g3(int a1, int a2, int a3) const { g2(a1, a2); g1(a3); return 0; }
  37. int f4(int a1, int a2, int a3, int a4) { f3(a1, a2, a3); f1(a4); return 0; }
  38. int g4(int a1, int a2, int a3, int a4) const { g3(a1, a2, a3); g1(a4); return 0; }
  39. int f5(int a1, int a2, int a3, int a4, int a5) { f4(a1, a2, a3, a4); f1(a5); return 0; }
  40. int g5(int a1, int a2, int a3, int a4, int a5) const { g4(a1, a2, a3, a4); g1(a5); return 0; }
  41. int f6(int a1, int a2, int a3, int a4, int a5, int a6) { f5(a1, a2, a3, a4, a5); f1(a6); return 0; }
  42. int g6(int a1, int a2, int a3, int a4, int a5, int a6) const { g5(a1, a2, a3, a4, a5); g1(a6); return 0; }
  43. int f7(int a1, int a2, int a3, int a4, int a5, int a6, int a7) { f6(a1, a2, a3, a4, a5, a6); f1(a7); return 0; }
  44. int g7(int a1, int a2, int a3, int a4, int a5, int a6, int a7) const { g6(a1, a2, a3, a4, a5, a6); g1(a7); return 0; }
  45. int f8(int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8) { f7(a1, a2, a3, a4, a5, a6, a7); f1(a8); return 0; }
  46. int g8(int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8) const { g7(a1, a2, a3, a4, a5, a6, a7); g1(a8); return 0; }
  47. };
  48. template<class T> class Y
  49. {
  50. private:
  51. T * pt_;
  52. void operator& ();
  53. void operator& () const;
  54. public:
  55. explicit Y( T * pt ): pt_( pt )
  56. {
  57. }
  58. T * get() const
  59. {
  60. return pt_;
  61. }
  62. };
  63. #if defined( __BORLANDC__ ) && BOOST_WORKAROUND( __BORLANDC__, BOOST_TESTED_AT( 0x620 ) )
  64. namespace boost
  65. {
  66. #endif
  67. template<class T> T * get_pointer( Y< T > const & y )
  68. {
  69. return y.get();
  70. }
  71. #if defined( __BORLANDC__ ) && BOOST_WORKAROUND( __BORLANDC__, BOOST_TESTED_AT( 0x620 ) )
  72. } // namespace boost
  73. #endif
  74. int detect_errors(bool x)
  75. {
  76. if( x )
  77. {
  78. std::cerr << "no errors detected.\n";
  79. return 0;
  80. }
  81. else
  82. {
  83. std::cerr << "test failed.\n";
  84. return 1;
  85. }
  86. }
  87. int main()
  88. {
  89. using boost::mem_fn;
  90. X x;
  91. Y<X> px( &x );
  92. Y<X const> pcx( &x );
  93. mem_fn(&X::f0)( px );
  94. mem_fn(&X::g0)( pcx );
  95. mem_fn(&X::f1)( px, 1 );
  96. mem_fn(&X::g1)( pcx, 1 );
  97. mem_fn(&X::f2)( px, 1, 2 );
  98. mem_fn(&X::g2)( pcx, 1, 2 );
  99. mem_fn(&X::f3)( px, 1, 2, 3 );
  100. mem_fn(&X::g3)( pcx, 1, 2, 3 );
  101. mem_fn(&X::f4)( px, 1, 2, 3, 4 );
  102. mem_fn(&X::g4)( pcx, 1, 2, 3, 4 );
  103. mem_fn(&X::f5)( px, 1, 2, 3, 4, 5 );
  104. mem_fn(&X::g5)( pcx, 1, 2, 3, 4, 5 );
  105. mem_fn(&X::f6)( px, 1, 2, 3, 4, 5, 6 );
  106. mem_fn(&X::g6)( pcx, 1, 2, 3, 4, 5, 6 );
  107. mem_fn(&X::f7)( px, 1, 2, 3, 4, 5, 6, 7 );
  108. mem_fn(&X::g7)( pcx, 1, 2, 3, 4, 5, 6, 7 );
  109. mem_fn(&X::f8)( px, 1, 2, 3, 4, 5, 6, 7, 8 );
  110. mem_fn(&X::g8)( pcx, 1, 2, 3, 4, 5, 6, 7, 8 );
  111. return detect_errors( hash == 2155 );
  112. }