mem_fn_test.cpp 5.4 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 - a test for mem_fn.hpp
  10. //
  11. // Copyright (c) 2001, 2002 Peter Dimov and Multi Media Ltd.
  12. //
  13. // Distributed under the Boost Software License, Version 1.0. (See
  14. // accompanying file LICENSE_1_0.txt or copy at
  15. // http://www.boost.org/LICENSE_1_0.txt)
  16. //
  17. #include <boost/mem_fn.hpp>
  18. #include <boost/shared_ptr.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. struct X
  27. {
  28. mutable unsigned int hash;
  29. X(): hash(0) {}
  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. int main()
  63. {
  64. using boost::mem_fn;
  65. X x;
  66. X const & rcx = x;
  67. X const * pcx = &x;
  68. boost::shared_ptr<X> sp(new X);
  69. mem_fn(&X::f0)(x);
  70. mem_fn(&X::f0)(&x);
  71. mem_fn(&X::f0)(sp);
  72. mem_fn(&X::g0)(x);
  73. mem_fn(&X::g0)(rcx);
  74. mem_fn(&X::g0)(&x);
  75. mem_fn(&X::g0)(pcx);
  76. mem_fn(&X::g0)(sp);
  77. mem_fn(&X::f1)(x, 1);
  78. mem_fn(&X::f1)(&x, 1);
  79. mem_fn(&X::f1)(sp, 1);
  80. mem_fn(&X::g1)(x, 1);
  81. mem_fn(&X::g1)(rcx, 1);
  82. mem_fn(&X::g1)(&x, 1);
  83. mem_fn(&X::g1)(pcx, 1);
  84. mem_fn(&X::g1)(sp, 1);
  85. mem_fn(&X::f2)(x, 1, 2);
  86. mem_fn(&X::f2)(&x, 1, 2);
  87. mem_fn(&X::f2)(sp, 1, 2);
  88. mem_fn(&X::g2)(x, 1, 2);
  89. mem_fn(&X::g2)(rcx, 1, 2);
  90. mem_fn(&X::g2)(&x, 1, 2);
  91. mem_fn(&X::g2)(pcx, 1, 2);
  92. mem_fn(&X::g2)(sp, 1, 2);
  93. mem_fn(&X::f3)(x, 1, 2, 3);
  94. mem_fn(&X::f3)(&x, 1, 2, 3);
  95. mem_fn(&X::f3)(sp, 1, 2, 3);
  96. mem_fn(&X::g3)(x, 1, 2, 3);
  97. mem_fn(&X::g3)(rcx, 1, 2, 3);
  98. mem_fn(&X::g3)(&x, 1, 2, 3);
  99. mem_fn(&X::g3)(pcx, 1, 2, 3);
  100. mem_fn(&X::g3)(sp, 1, 2, 3);
  101. mem_fn(&X::f4)(x, 1, 2, 3, 4);
  102. mem_fn(&X::f4)(&x, 1, 2, 3, 4);
  103. mem_fn(&X::f4)(sp, 1, 2, 3, 4);
  104. mem_fn(&X::g4)(x, 1, 2, 3, 4);
  105. mem_fn(&X::g4)(rcx, 1, 2, 3, 4);
  106. mem_fn(&X::g4)(&x, 1, 2, 3, 4);
  107. mem_fn(&X::g4)(pcx, 1, 2, 3, 4);
  108. mem_fn(&X::g4)(sp, 1, 2, 3, 4);
  109. mem_fn(&X::f5)(x, 1, 2, 3, 4, 5);
  110. mem_fn(&X::f5)(&x, 1, 2, 3, 4, 5);
  111. mem_fn(&X::f5)(sp, 1, 2, 3, 4, 5);
  112. mem_fn(&X::g5)(x, 1, 2, 3, 4, 5);
  113. mem_fn(&X::g5)(rcx, 1, 2, 3, 4, 5);
  114. mem_fn(&X::g5)(&x, 1, 2, 3, 4, 5);
  115. mem_fn(&X::g5)(pcx, 1, 2, 3, 4, 5);
  116. mem_fn(&X::g5)(sp, 1, 2, 3, 4, 5);
  117. mem_fn(&X::f6)(x, 1, 2, 3, 4, 5, 6);
  118. mem_fn(&X::f6)(&x, 1, 2, 3, 4, 5, 6);
  119. mem_fn(&X::f6)(sp, 1, 2, 3, 4, 5, 6);
  120. mem_fn(&X::g6)(x, 1, 2, 3, 4, 5, 6);
  121. mem_fn(&X::g6)(rcx, 1, 2, 3, 4, 5, 6);
  122. mem_fn(&X::g6)(&x, 1, 2, 3, 4, 5, 6);
  123. mem_fn(&X::g6)(pcx, 1, 2, 3, 4, 5, 6);
  124. mem_fn(&X::g6)(sp, 1, 2, 3, 4, 5, 6);
  125. mem_fn(&X::f7)(x, 1, 2, 3, 4, 5, 6, 7);
  126. mem_fn(&X::f7)(&x, 1, 2, 3, 4, 5, 6, 7);
  127. mem_fn(&X::f7)(sp, 1, 2, 3, 4, 5, 6, 7);
  128. mem_fn(&X::g7)(x, 1, 2, 3, 4, 5, 6, 7);
  129. mem_fn(&X::g7)(rcx, 1, 2, 3, 4, 5, 6, 7);
  130. mem_fn(&X::g7)(&x, 1, 2, 3, 4, 5, 6, 7);
  131. mem_fn(&X::g7)(pcx, 1, 2, 3, 4, 5, 6, 7);
  132. mem_fn(&X::g7)(sp, 1, 2, 3, 4, 5, 6, 7);
  133. mem_fn(&X::f8)(x, 1, 2, 3, 4, 5, 6, 7, 8);
  134. mem_fn(&X::f8)(&x, 1, 2, 3, 4, 5, 6, 7, 8);
  135. mem_fn(&X::f8)(sp, 1, 2, 3, 4, 5, 6, 7, 8);
  136. mem_fn(&X::g8)(x, 1, 2, 3, 4, 5, 6, 7, 8);
  137. mem_fn(&X::g8)(rcx, 1, 2, 3, 4, 5, 6, 7, 8);
  138. mem_fn(&X::g8)(&x, 1, 2, 3, 4, 5, 6, 7, 8);
  139. mem_fn(&X::g8)(pcx, 1, 2, 3, 4, 5, 6, 7, 8);
  140. mem_fn(&X::g8)(sp, 1, 2, 3, 4, 5, 6, 7, 8);
  141. return detect_errors(mem_fn(&X::hash)(x) == 17610 && mem_fn(&X::hash)(sp) == 2155);
  142. }