ceph/src/boost/libs/bind/test/mem_fn_noexcept_test.cpp

   1 // Copyright 2001, 2002, 2020 Peter Dimov
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // https://www.boost.org/LICENSE_1_0.txt)
   4
   5 #include <boost/mem_fn.hpp>
   6 #include <boost/shared_ptr.hpp>
   7 #include <iostream>
   8
   9 #if defined(BOOST_NO_CXX11_NOEXCEPT)
  10
  11 int main()
  12 {
  13 }
  14
  15 #else
  16
  17 struct X
  18 {
  19     mutable unsigned int hash;
  20
  21     X(): hash(0) {}
  22
  23     int f0() noexcept { f1(17); return 0; }
  24     int g0() const noexcept { g1(17); return 0; }
  25
  26     int f1(int a1) noexcept { hash = (hash * 17041 + a1) % 32768; return 0; }
  27     int g1(int a1) const noexcept { hash = (hash * 17041 + a1 * 2) % 32768; return 0; }
  28
  29     int f2(int a1, int a2) noexcept { f1(a1); f1(a2); return 0; }
  30     int g2(int a1, int a2) const noexcept { g1(a1); g1(a2); return 0; }
  31
  32     int f3(int a1, int a2, int a3) noexcept { f2(a1, a2); f1(a3); return 0; }
  33     int g3(int a1, int a2, int a3) const noexcept { g2(a1, a2); g1(a3); return 0; }
  34
  35     int f4(int a1, int a2, int a3, int a4) noexcept { f3(a1, a2, a3); f1(a4); return 0; }
  36     int g4(int a1, int a2, int a3, int a4) const noexcept { g3(a1, a2, a3); g1(a4); return 0; }
  37
  38     int f5(int a1, int a2, int a3, int a4, int a5) noexcept { f4(a1, a2, a3, a4); f1(a5); return 0; }
  39     int g5(int a1, int a2, int a3, int a4, int a5) const noexcept { g4(a1, a2, a3, a4); g1(a5); return 0; }
  40
  41     int f6(int a1, int a2, int a3, int a4, int a5, int a6) noexcept { 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 noexcept { g5(a1, a2, a3, a4, a5); g1(a6); return 0; }
  43
  44     int f7(int a1, int a2, int a3, int a4, int a5, int a6, int a7) noexcept { 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 noexcept { g6(a1, a2, a3, a4, a5, a6); g1(a7); return 0; }
  46
  47     int f8(int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8) noexcept { f7(a1, a2, a3, a4, a5, a6, a7); f1(a8); return 0; }
  48     int g8(int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8) const noexcept { g7(a1, a2, a3, a4, a5, a6, a7); g1(a8); return 0; }
  49 };
  50
  51 int detect_errors(bool x)
  52 {
  53     if(x)
  54     {
  55         std::cerr << "no errors detected.\n";
  56         return 0;
  57     }
  58     else
  59     {
  60         std::cerr << "test failed.\n";
  61         return 1;
  62     }
  63 }
  64
  65 int main()
  66 {
  67     using boost::mem_fn;
  68
  69     X x;
  70
  71     X const & rcx = x;
  72     X const * pcx = &x;
  73
  74     boost::shared_ptr<X> sp(new X);
  75
  76     mem_fn(&X::f0)(x);
  77     mem_fn(&X::f0)(&x);
  78     mem_fn(&X::f0)(sp);
  79
  80     mem_fn(&X::g0)(x);
  81     mem_fn(&X::g0)(rcx);
  82     mem_fn(&X::g0)(&x);
  83     mem_fn(&X::g0)(pcx);
  84     mem_fn(&X::g0)(sp);
  85
  86     mem_fn(&X::f1)(x, 1);
  87     mem_fn(&X::f1)(&x, 1);
  88     mem_fn(&X::f1)(sp, 1);
  89
  90     mem_fn(&X::g1)(x, 1);
  91     mem_fn(&X::g1)(rcx, 1);
  92     mem_fn(&X::g1)(&x, 1);
  93     mem_fn(&X::g1)(pcx, 1);
  94     mem_fn(&X::g1)(sp, 1);
  95
  96     mem_fn(&X::f2)(x, 1, 2);
  97     mem_fn(&X::f2)(&x, 1, 2);
  98     mem_fn(&X::f2)(sp, 1, 2);
  99
 100     mem_fn(&X::g2)(x, 1, 2);
 101     mem_fn(&X::g2)(rcx, 1, 2);
 102     mem_fn(&X::g2)(&x, 1, 2);
 103     mem_fn(&X::g2)(pcx, 1, 2);
 104     mem_fn(&X::g2)(sp, 1, 2);
 105
 106     mem_fn(&X::f3)(x, 1, 2, 3);
 107     mem_fn(&X::f3)(&x, 1, 2, 3);
 108     mem_fn(&X::f3)(sp, 1, 2, 3);
 109
 110     mem_fn(&X::g3)(x, 1, 2, 3);
 111     mem_fn(&X::g3)(rcx, 1, 2, 3);
 112     mem_fn(&X::g3)(&x, 1, 2, 3);
 113     mem_fn(&X::g3)(pcx, 1, 2, 3);
 114     mem_fn(&X::g3)(sp, 1, 2, 3);
 115
 116     mem_fn(&X::f4)(x, 1, 2, 3, 4);
 117     mem_fn(&X::f4)(&x, 1, 2, 3, 4);
 118     mem_fn(&X::f4)(sp, 1, 2, 3, 4);
 119
 120     mem_fn(&X::g4)(x, 1, 2, 3, 4);
 121     mem_fn(&X::g4)(rcx, 1, 2, 3, 4);
 122     mem_fn(&X::g4)(&x, 1, 2, 3, 4);
 123     mem_fn(&X::g4)(pcx, 1, 2, 3, 4);
 124     mem_fn(&X::g4)(sp, 1, 2, 3, 4);
 125
 126     mem_fn(&X::f5)(x, 1, 2, 3, 4, 5);
 127     mem_fn(&X::f5)(&x, 1, 2, 3, 4, 5);
 128     mem_fn(&X::f5)(sp, 1, 2, 3, 4, 5);
 129
 130     mem_fn(&X::g5)(x, 1, 2, 3, 4, 5);
 131     mem_fn(&X::g5)(rcx, 1, 2, 3, 4, 5);
 132     mem_fn(&X::g5)(&x, 1, 2, 3, 4, 5);
 133     mem_fn(&X::g5)(pcx, 1, 2, 3, 4, 5);
 134     mem_fn(&X::g5)(sp, 1, 2, 3, 4, 5);
 135
 136     mem_fn(&X::f6)(x, 1, 2, 3, 4, 5, 6);
 137     mem_fn(&X::f6)(&x, 1, 2, 3, 4, 5, 6);
 138     mem_fn(&X::f6)(sp, 1, 2, 3, 4, 5, 6);
 139
 140     mem_fn(&X::g6)(x, 1, 2, 3, 4, 5, 6);
 141     mem_fn(&X::g6)(rcx, 1, 2, 3, 4, 5, 6);
 142     mem_fn(&X::g6)(&x, 1, 2, 3, 4, 5, 6);
 143     mem_fn(&X::g6)(pcx, 1, 2, 3, 4, 5, 6);
 144     mem_fn(&X::g6)(sp, 1, 2, 3, 4, 5, 6);
 145
 146     mem_fn(&X::f7)(x, 1, 2, 3, 4, 5, 6, 7);
 147     mem_fn(&X::f7)(&x, 1, 2, 3, 4, 5, 6, 7);
 148     mem_fn(&X::f7)(sp, 1, 2, 3, 4, 5, 6, 7);
 149
 150     mem_fn(&X::g7)(x, 1, 2, 3, 4, 5, 6, 7);
 151     mem_fn(&X::g7)(rcx, 1, 2, 3, 4, 5, 6, 7);
 152     mem_fn(&X::g7)(&x, 1, 2, 3, 4, 5, 6, 7);
 153     mem_fn(&X::g7)(pcx, 1, 2, 3, 4, 5, 6, 7);
 154     mem_fn(&X::g7)(sp, 1, 2, 3, 4, 5, 6, 7);
 155
 156     mem_fn(&X::f8)(x, 1, 2, 3, 4, 5, 6, 7, 8);
 157     mem_fn(&X::f8)(&x, 1, 2, 3, 4, 5, 6, 7, 8);
 158     mem_fn(&X::f8)(sp, 1, 2, 3, 4, 5, 6, 7, 8);
 159
 160     mem_fn(&X::g8)(x, 1, 2, 3, 4, 5, 6, 7, 8);
 161     mem_fn(&X::g8)(rcx, 1, 2, 3, 4, 5, 6, 7, 8);
 162     mem_fn(&X::g8)(&x, 1, 2, 3, 4, 5, 6, 7, 8);
 163     mem_fn(&X::g8)(pcx, 1, 2, 3, 4, 5, 6, 7, 8);
 164     mem_fn(&X::g8)(sp, 1, 2, 3, 4, 5, 6, 7, 8);
 165
 166     return detect_errors(mem_fn(&X::hash)(x) == 17610 && mem_fn(&X::hash)(sp) == 2155);
 167 }
 168
 169 #endif