mem_fn_rv_test.cpp 3.5 KB

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  1. #include <boost/config.hpp>
  2. #if defined(BOOST_MSVC)
  3. #pragma warning(disable: 4786) // identifier truncated in debug info
  4. #pragma warning(disable: 4710) // function not inlined
  5. #pragma warning(disable: 4711) // function selected for automatic inline expansion
  6. #pragma warning(disable: 4514) // unreferenced inline removed
  7. #endif
  8. //
  9. // mem_fn_test.cpp - mem_fn.hpp with rvalues
  10. //
  11. // Copyright (c) 2001, 2002 Peter Dimov and Multi Media Ltd.
  12. // Copyright (c) 2005 Peter Dimov
  13. //
  14. // Distributed under the Boost Software License, Version 1.0. (See
  15. // 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. #include <boost/shared_ptr.hpp>
  20. #if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
  21. #pragma warning(push, 3)
  22. #endif
  23. #include <iostream>
  24. #if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
  25. #pragma warning(pop)
  26. #endif
  27. unsigned int hash = 0;
  28. struct X
  29. {
  30. int f0() { f1(17); return 0; }
  31. int g0() const { g1(17); return 0; }
  32. int f1(int a1) { hash = (hash * 17041 + a1) % 32768; return 0; }
  33. int g1(int a1) const { hash = (hash * 17041 + a1 * 2) % 32768; return 0; }
  34. int f2(int a1, int a2) { f1(a1); f1(a2); return 0; }
  35. int g2(int a1, int a2) const { g1(a1); g1(a2); return 0; }
  36. int f3(int a1, int a2, int a3) { f2(a1, a2); f1(a3); return 0; }
  37. int g3(int a1, int a2, int a3) const { g2(a1, a2); g1(a3); return 0; }
  38. int f4(int a1, int a2, int a3, int a4) { f3(a1, a2, a3); f1(a4); return 0; }
  39. int g4(int a1, int a2, int a3, int a4) const { g3(a1, a2, a3); g1(a4); return 0; }
  40. int f5(int a1, int a2, int a3, int a4, int a5) { f4(a1, a2, a3, a4); f1(a5); return 0; }
  41. int g5(int a1, int a2, int a3, int a4, int a5) const { g4(a1, a2, a3, a4); g1(a5); return 0; }
  42. int f6(int a1, int a2, int a3, int a4, int a5, int a6) { f5(a1, a2, a3, a4, a5); f1(a6); return 0; }
  43. 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; }
  44. 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; }
  45. 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; }
  46. 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; }
  47. 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; }
  48. };
  49. int detect_errors(bool x)
  50. {
  51. if( x )
  52. {
  53. std::cerr << "no errors detected.\n";
  54. return 0;
  55. }
  56. else
  57. {
  58. std::cerr << "test failed.\n";
  59. return 1;
  60. }
  61. }
  62. boost::shared_ptr<X> make()
  63. {
  64. return boost::shared_ptr<X>( new X );
  65. }
  66. int main()
  67. {
  68. using boost::mem_fn;
  69. mem_fn(&X::f0)( make() );
  70. mem_fn(&X::g0)( make() );
  71. mem_fn(&X::f1)( make(), 1 );
  72. mem_fn(&X::g1)( make(), 1 );
  73. mem_fn(&X::f2)( make(), 1, 2 );
  74. mem_fn(&X::g2)( make(), 1, 2 );
  75. mem_fn(&X::f3)( make(), 1, 2, 3 );
  76. mem_fn(&X::g3)( make(), 1, 2, 3 );
  77. mem_fn(&X::f4)( make(), 1, 2, 3, 4 );
  78. mem_fn(&X::g4)( make(), 1, 2, 3, 4 );
  79. mem_fn(&X::f5)( make(), 1, 2, 3, 4, 5 );
  80. mem_fn(&X::g5)( make(), 1, 2, 3, 4, 5 );
  81. mem_fn(&X::f6)( make(), 1, 2, 3, 4, 5, 6 );
  82. mem_fn(&X::g6)( make(), 1, 2, 3, 4, 5, 6 );
  83. mem_fn(&X::f7)( make(), 1, 2, 3, 4, 5, 6, 7 );
  84. mem_fn(&X::g7)( make(), 1, 2, 3, 4, 5, 6, 7 );
  85. mem_fn(&X::f8)( make(), 1, 2, 3, 4, 5, 6, 7, 8 );
  86. mem_fn(&X::g8)( make(), 1, 2, 3, 4, 5, 6, 7, 8 );
  87. return detect_errors( hash == 2155 );
  88. }