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

   1 #include <boost/config.hpp>
   2
   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 //
  11 //  bind_stateful_test.cpp
  12 //
  13 //  Copyright (c) 2004 Peter Dimov
  14 //
  15 // Distributed under the Boost Software License, Version 1.0. (See
  16 // accompanying file LICENSE_1_0.txt or copy at
  17 // http://www.boost.org/LICENSE_1_0.txt)
  18 //
  19
  20 #include <boost/bind/bind.hpp>
  21 #include <boost/core/lightweight_test.hpp>
  22
  23 //
  24
  25 class X
  26 {
  27 private:
  28
  29     int state_;
  30
  31 public:
  32
  33     X(): state_(0)
  34     {
  35     }
  36
  37     // SGI-related compilers have odd compiler-synthesized ctors and dtors
  38     #ifdef __PATHSCALE__
  39     ~X() {}
  40     #endif
  41
  42     int state() const
  43     {
  44         return state_;
  45     }
  46
  47     int operator()()
  48     {
  49         return state_ += 17041;
  50     }
  51
  52     int operator()(int x1)
  53     {
  54         return state_ += x1;
  55     }
  56
  57     int operator()(int x1, int x2)
  58     {
  59         return state_ += x1+x2;
  60     }
  61
  62     int operator()(int x1, int x2, int x3)
  63     {
  64         return state_ += x1+x2+x3;
  65     }
  66
  67     int operator()(int x1, int x2, int x3, int x4)
  68     {
  69         return state_ += x1+x2+x3+x4;
  70     }
  71
  72     int operator()(int x1, int x2, int x3, int x4, int x5)
  73     {
  74         return state_ += x1+x2+x3+x4+x5;
  75     }
  76
  77     int operator()(int x1, int x2, int x3, int x4, int x5, int x6)
  78     {
  79         return state_ += x1+x2+x3+x4+x5+x6;
  80     }
  81
  82     int operator()(int x1, int x2, int x3, int x4, int x5, int x6, int x7)
  83     {
  84         return state_ += x1+x2+x3+x4+x5+x6+x7;
  85     }
  86
  87     int operator()(int x1, int x2, int x3, int x4, int x5, int x6, int x7, int x8)
  88     {
  89         return state_ += x1+x2+x3+x4+x5+x6+x7+x8;
  90     }
  91
  92     int operator()(int x1, int x2, int x3, int x4, int x5, int x6, int x7, int x8, int x9)
  93     {
  94         return state_ += x1+x2+x3+x4+x5+x6+x7+x8+x9;
  95     }
  96 };
  97
  98 int f0(int & state_)
  99 {
 100     return state_ += 17041;
 101 }
 102
 103 int f1(int & state_, int x1)
 104 {
 105     return state_ += x1;
 106 }
 107
 108 int f2(int & state_, int x1, int x2)
 109 {
 110     return state_ += x1+x2;
 111 }
 112
 113 int f3(int & state_, int x1, int x2, int x3)
 114 {
 115     return state_ += x1+x2+x3;
 116 }
 117
 118 int f4(int & state_, int x1, int x2, int x3, int x4)
 119 {
 120     return state_ += x1+x2+x3+x4;
 121 }
 122
 123 int f5(int & state_, int x1, int x2, int x3, int x4, int x5)
 124 {
 125     return state_ += x1+x2+x3+x4+x5;
 126 }
 127
 128 int f6(int & state_, int x1, int x2, int x3, int x4, int x5, int x6)
 129 {
 130     return state_ += x1+x2+x3+x4+x5+x6;
 131 }
 132
 133 int f7(int & state_, int x1, int x2, int x3, int x4, int x5, int x6, int x7)
 134 {
 135     return state_ += x1+x2+x3+x4+x5+x6+x7;
 136 }
 137
 138 int f8(int & state_, int x1, int x2, int x3, int x4, int x5, int x6, int x7, int x8)
 139 {
 140     return state_ += x1+x2+x3+x4+x5+x6+x7+x8;
 141 }
 142
 143 template<class F> void test(F f, int a, int b)
 144 {
 145     BOOST_TEST( f() == a +   b );
 146     BOOST_TEST( f() == a + 2*b );
 147     BOOST_TEST( f() == a + 3*b );
 148 }
 149
 150 void stateful_function_object_test()
 151 {
 152     test( boost::bind<int>( X() ), 0, 17041 );
 153     test( boost::bind<int>( X(), 1 ), 0, 1 );
 154     test( boost::bind<int>( X(), 1, 2 ), 0, 1+2 );
 155     test( boost::bind<int>( X(), 1, 2, 3 ), 0, 1+2+3 );
 156     test( boost::bind<int>( X(), 1, 2, 3, 4 ), 0, 1+2+3+4 );
 157     test( boost::bind<int>( X(), 1, 2, 3, 4, 5 ), 0, 1+2+3+4+5 );
 158     test( boost::bind<int>( X(), 1, 2, 3, 4, 5, 6 ), 0, 1+2+3+4+5+6 );
 159     test( boost::bind<int>( X(), 1, 2, 3, 4, 5, 6, 7 ), 0, 1+2+3+4+5+6+7 );
 160     test( boost::bind<int>( X(), 1, 2, 3, 4, 5, 6, 7, 8 ), 0, 1+2+3+4+5+6+7+8 );
 161     test( boost::bind<int>( X(), 1, 2, 3, 4, 5, 6, 7, 8, 9 ), 0, 1+2+3+4+5+6+7+8+9 );
 162
 163     X x;
 164
 165     int n = x.state();
 166
 167     test( boost::bind<int>( boost::ref(x) ), n, 17041 );
 168     n += 3*17041;
 169
 170     test( boost::bind<int>( boost::ref(x), 1 ), n, 1 );
 171     n += 3*1;
 172
 173     test( boost::bind<int>( boost::ref(x), 1, 2 ), n, 1+2 );
 174     n += 3*(1+2);
 175
 176     test( boost::bind<int>( boost::ref(x), 1, 2, 3 ), n, 1+2+3 );
 177     n += 3*(1+2+3);
 178
 179     test( boost::bind<int>( boost::ref(x), 1, 2, 3, 4 ), n, 1+2+3+4 );
 180     n += 3*(1+2+3+4);
 181
 182     test( boost::bind<int>( boost::ref(x), 1, 2, 3, 4, 5 ), n, 1+2+3+4+5 );
 183     n += 3*(1+2+3+4+5);
 184
 185     test( boost::bind<int>( boost::ref(x), 1, 2, 3, 4, 5, 6 ), n, 1+2+3+4+5+6 );
 186     n += 3*(1+2+3+4+5+6);
 187
 188     test( boost::bind<int>( boost::ref(x), 1, 2, 3, 4, 5, 6, 7 ), n, 1+2+3+4+5+6+7 );
 189     n += 3*(1+2+3+4+5+6+7);
 190
 191     test( boost::bind<int>( boost::ref(x), 1, 2, 3, 4, 5, 6, 7, 8 ), n, 1+2+3+4+5+6+7+8 );
 192     n += 3*(1+2+3+4+5+6+7+8);
 193
 194     test( boost::bind<int>( boost::ref(x), 1, 2, 3, 4, 5, 6, 7, 8, 9 ), n, 1+2+3+4+5+6+7+8+9 );
 195     n += 3*(1+2+3+4+5+6+7+8+9);
 196
 197     BOOST_TEST( x.state() == n );
 198 }
 199
 200 void stateful_function_test()
 201 {
 202     test( boost::bind( f0, 0 ), 0, 17041 );
 203     test( boost::bind( f1, 0, 1 ), 0, 1 );
 204     test( boost::bind( f2, 0, 1, 2 ), 0, 1+2 );
 205     test( boost::bind( f3, 0, 1, 2, 3 ), 0, 1+2+3 );
 206     test( boost::bind( f4, 0, 1, 2, 3, 4 ), 0, 1+2+3+4 );
 207     test( boost::bind( f5, 0, 1, 2, 3, 4, 5 ), 0, 1+2+3+4+5 );
 208     test( boost::bind( f6, 0, 1, 2, 3, 4, 5, 6 ), 0, 1+2+3+4+5+6 );
 209     test( boost::bind( f7, 0, 1, 2, 3, 4, 5, 6, 7 ), 0, 1+2+3+4+5+6+7 );
 210     test( boost::bind( f8, 0, 1, 2, 3, 4, 5, 6, 7, 8 ), 0, 1+2+3+4+5+6+7+8 );
 211 }
 212
 213 int main()
 214 {
 215     stateful_function_object_test();
 216     stateful_function_test();
 217     return boost::report_errors();
 218 }