ceph/src/boost/libs/phoenix/test/boost_bind_compatibility/bind_stateful_test.cpp

   1 /*==============================================================================
   2     Copyright (c) 2004 Peter Dimov
   3     Copyright (c) 2005-2010 Joel de Guzman
   4     Copyright (c) 2010 Thomas Heller
   5
   6     Distributed under the Boost Software License, Version 1.0. (See accompanying
   7     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   8 ==============================================================================*/
   9
  10 #include <boost/config.hpp>
  11
  12 #if defined(BOOST_MSVC)
  13 #pragma warning(disable: 4786)  // identifier truncated in debug info
  14 #pragma warning(disable: 4710)  // function not inlined
  15 #pragma warning(disable: 4711)  // function selected for automatic inline expansion
  16 #pragma warning(disable: 4514)  // unreferenced inline removed
  17 #endif
  18
  19 #include <boost/phoenix/core.hpp>
  20 #include <boost/phoenix/bind.hpp>
  21
  22 #if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
  23 #pragma warning(push, 3)
  24 #endif
  25
  26 #include <iostream>
  27
  28 #if defined(BOOST_MSVC) && (BOOST_MSVC < 1300)
  29 #pragma warning(pop)
  30 #endif
  31
  32 #include <boost/detail/lightweight_test.hpp>
  33
  34 class X
  35 {
  36 private:
  37
  38     mutable int state_;
  39
  40 public:
  41
  42     X(): state_(0)
  43     {
  44     }
  45
  46     int state() const
  47     {
  48         return state_;
  49     }
  50
  51     typedef int result_type;
  52
  53     int operator()() const
  54     {
  55         return state_ += 17041;
  56     }
  57
  58     int operator()(int x1) const
  59     {
  60         return state_ += x1;
  61     }
  62
  63     int operator()(int x1, int x2) const
  64     {
  65         return state_ += x1+x2;
  66     }
  67
  68     int operator()(int x1, int x2, int x3) const
  69     {
  70         return state_ += x1+x2+x3;
  71     }
  72
  73     int operator()(int x1, int x2, int x3, int x4) const
  74     {
  75         return state_ += x1+x2+x3+x4;
  76     }
  77
  78     int operator()(int x1, int x2, int x3, int x4, int x5) const
  79     {
  80         return state_ += x1+x2+x3+x4+x5;
  81     }
  82
  83     int operator()(int x1, int x2, int x3, int x4, int x5, int x6) const
  84     {
  85         return state_ += x1+x2+x3+x4+x5+x6;
  86     }
  87
  88     int operator()(int x1, int x2, int x3, int x4, int x5, int x6, int x7) const
  89     {
  90         return state_ += x1+x2+x3+x4+x5+x6+x7;
  91     }
  92
  93     int operator()(int x1, int x2, int x3, int x4, int x5, int x6, int x7, int x8) const
  94     {
  95         return state_ += x1+x2+x3+x4+x5+x6+x7+x8;
  96     }
  97
  98     int operator()(int x1, int x2, int x3, int x4, int x5, int x6, int x7, int x8, int x9) const
  99     {
 100         return state_ += x1+x2+x3+x4+x5+x6+x7+x8+x9;
 101     }
 102 };
 103
 104 class Y
 105 {
 106 private:
 107
 108     int state_;
 109
 110 public:
 111
 112     Y(): state_(0)
 113     {
 114     }
 115
 116     int state() const
 117     {
 118         return state_;
 119     }
 120
 121     typedef int result_type;
 122
 123     int operator()()
 124     {
 125         return state_ += 17041;
 126     }
 127
 128     int operator()(int x1)
 129     {
 130         return state_ += x1;
 131     }
 132
 133     int operator()(int x1, int x2)
 134     {
 135         return state_ += x1+x2;
 136     }
 137
 138     int operator()(int x1, int x2, int x3)
 139     {
 140         return state_ += x1+x2+x3;
 141     }
 142
 143     int operator()(int x1, int x2, int x3, int x4)
 144     {
 145         return state_ += x1+x2+x3+x4;
 146     }
 147
 148     int operator()(int x1, int x2, int x3, int x4, int x5)
 149     {
 150         return state_ += x1+x2+x3+x4+x5;
 151     }
 152
 153     int operator()(int x1, int x2, int x3, int x4, int x5, int x6)
 154     {
 155         return state_ += x1+x2+x3+x4+x5+x6;
 156     }
 157
 158     int operator()(int x1, int x2, int x3, int x4, int x5, int x6, int x7)
 159     {
 160         return state_ += x1+x2+x3+x4+x5+x6+x7;
 161     }
 162
 163     int operator()(int x1, int x2, int x3, int x4, int x5, int x6, int x7, int x8)
 164     {
 165         return state_ += x1+x2+x3+x4+x5+x6+x7+x8;
 166     }
 167
 168     int operator()(int x1, int x2, int x3, int x4, int x5, int x6, int x7, int x8, int x9)
 169     {
 170         return state_ += x1+x2+x3+x4+x5+x6+x7+x8+x9;
 171     }
 172 };
 173
 174 int f0(int & state_)
 175 {
 176     return state_ += 17041;
 177 }
 178
 179 int f1(int & state_, int x1)
 180 {
 181     return state_ += x1;
 182 }
 183
 184 int f2(int & state_, int x1, int x2)
 185 {
 186     return state_ += x1+x2;
 187 }
 188
 189 int f3(int & state_, int x1, int x2, int x3)
 190 {
 191     return state_ += x1+x2+x3;
 192 }
 193
 194 int f4(int & state_, int x1, int x2, int x3, int x4)
 195 {
 196     return state_ += x1+x2+x3+x4;
 197 }
 198
 199 int f5(int & state_, int x1, int x2, int x3, int x4, int x5)
 200 {
 201     return state_ += x1+x2+x3+x4+x5;
 202 }
 203
 204 int f6(int & state_, int x1, int x2, int x3, int x4, int x5, int x6)
 205 {
 206     return state_ += x1+x2+x3+x4+x5+x6;
 207 }
 208
 209 int f7(int & state_, int x1, int x2, int x3, int x4, int x5, int x6, int x7)
 210 {
 211     return state_ += x1+x2+x3+x4+x5+x6+x7;
 212 }
 213
 214 int f8(int & state_, int x1, int x2, int x3, int x4, int x5, int x6, int x7, int x8)
 215 {
 216     return state_ += x1+x2+x3+x4+x5+x6+x7+x8;
 217 }
 218
 219 template <typename> struct wrap {};
 220
 221 template<class F> void test(F f, int a, int b)
 222 {
 223     BOOST_TEST( f() == a +   b );
 224     BOOST_TEST( f() == a + 2*b );
 225     BOOST_TEST( f() == a + 3*b );
 226 }
 227
 228 using boost::phoenix::bind;
 229 using boost::phoenix::ref;
 230
 231 void stateful_function_object_test()
 232 {
 233     ::test( bind( X() ), 0, 17041 );
 234     ::test( bind( X(), 1 ), 0, 1 );
 235     ::test( bind( X(), 1, 2 ), 0, 1+2 );
 236     ::test( bind( X(), 1, 2, 3 ), 0, 1+2+3 );
 237     ::test( bind( X(), 1, 2, 3, 4 ), 0, 1+2+3+4 );
 238     ::test( bind( X(), 1, 2, 3, 4, 5 ), 0, 1+2+3+4+5 );
 239     ::test( bind( X(), 1, 2, 3, 4, 5, 6 ), 0, 1+2+3+4+5+6 );
 240     ::test( bind( X(), 1, 2, 3, 4, 5, 6, 7 ), 0, 1+2+3+4+5+6+7 );
 241     ::test( bind( X(), 1, 2, 3, 4, 5, 6, 7, 8 ), 0, 1+2+3+4+5+6+7+8 );
 242     ::test( bind( X(), 1, 2, 3, 4, 5, 6, 7, 8, 9 ), 0, 1+2+3+4+5+6+7+8+9 );
 243
 244     Y y;
 245
 246     int n = y.state();
 247
 248     ::test( bind( ref(y) ), n, 17041 );
 249     n += 3 * 17041;
 250
 251     ::test( bind( ref(y), 1 ), n, 1 );
 252     n += 3*1;
 253
 254     ::test( bind( ref(y), 1, 2 ), n, 1+2 );
 255     n += 3*(1+2);
 256
 257     ::test( bind( ref(y), 1, 2, 3 ), n, 1+2+3 );
 258     n += 3*(1+2+3);
 259
 260     ::test( bind( ref(y), 1, 2, 3, 4 ), n, 1+2+3+4 );
 261     n += 3*(1+2+3+4);
 262
 263     ::test( bind( ref(y), 1, 2, 3, 4, 5 ), n, 1+2+3+4+5 );
 264     n += 3*(1+2+3+4+5);
 265
 266     ::test( bind( ref(y), 1, 2, 3, 4, 5, 6 ), n, 1+2+3+4+5+6 );
 267     n += 3*(1+2+3+4+5+6);
 268
 269     ::test( bind( ref(y), 1, 2, 3, 4, 5, 6, 7 ), n, 1+2+3+4+5+6+7 );
 270     n += 3*(1+2+3+4+5+6+7);
 271
 272     ::test( bind( ref(y), 1, 2, 3, 4, 5, 6, 7, 8 ), n, 1+2+3+4+5+6+7+8 );
 273     n += 3*(1+2+3+4+5+6+7+8);
 274
 275     ::test( bind( ref(y), 1, 2, 3, 4, 5, 6, 7, 8, 9 ), n, 1+2+3+4+5+6+7+8+9 );
 276     n += 3*(1+2+3+4+5+6+7+8+9);
 277
 278     BOOST_TEST( y.state() == n );
 279 }
 280
 281 void stateful_function_test()
 282 {
 283     using boost::phoenix::ref;
 284
 285     ::test( bind( f0, 0), 0, 17041 );
 286     ::test( bind( f1, 0, 1 ), 0, 1 );
 287     ::test( bind( f2, 0, 1, 2 ), 0, 1+2 );
 288     ::test( bind( f3, 0, 1, 2, 3 ), 0, 1+2+3 );
 289     ::test( bind( f4, 0, 1, 2, 3, 4 ), 0, 1+2+3+4 );
 290     ::test( bind( f5, 0, 1, 2, 3, 4, 5 ), 0, 1+2+3+4+5 );
 291     ::test( bind( f6, 0, 1, 2, 3, 4, 5, 6 ), 0, 1+2+3+4+5+6 );
 292     ::test( bind( f7, 0, 1, 2, 3, 4, 5, 6, 7 ), 0, 1+2+3+4+5+6+7 );
 293     ::test( bind( f8, 0, 1, 2, 3, 4, 5, 6, 7, 8 ), 0, 1+2+3+4+5+6+7+8 );
 294 }
 295
 296 int main()
 297 {
 298     stateful_function_object_test();
 299     stateful_function_test();
 300     return boost::report_errors();
 301 }