libstdc++-v3/testsuite/util/testsuite_shared.cc

   1 // Copyright (C) 2004-2025 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8 //
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 #include <string>
  19 #include <stdexcept>
  20 #include <iostream>
  21 #include <sstream>
  22 #include <set>
  23 #include <map>
  24 #include <ext/mt_allocator.h>
  25 #include <bits/functexcept.h>
  26 #if __cpp_rtti
  27 # include <typeinfo>
  28 #endif
  29
  30 namespace __gnu_test
  31 {
  32 // libstdc++/22309
  33 extern "C" void
  34 try_allocation()
  35 {
  36   typedef char value_t;
  37
  38   typedef __gnu_cxx::__mt_alloc<value_t> allocator_t;
  39
  40   typedef std::char_traits<value_t> traits_t;
  41   typedef std::basic_string<value_t, traits_t, allocator_t> string_t;
  42
  43   string_t s;
  44   s += "west beach, indiana dunes";
  45 }
  46
  47 // libstdc++/23591
  48 extern "C" void
  49 try_throw_exception()
  50 {
  51 #if __cpp_exceptions
  52   try
  53     {
  54       std::__throw_bad_exception();
  55     }
  56   catch (const std::exception& e)
  57     { }
  58 #endif
  59 }
  60
  61 extern "C" void
  62 try_function_random_fail()
  63 {
  64   long seed = lrand48();
  65   if (seed < 2000)
  66     seed = 2000;
  67
  68   {
  69     std::ostringstream s;
  70     s << "random_throw, seed: " << seed << std::endl;
  71     std::cout << s.str();
  72   }
  73
  74   while (--seed > 0)
  75     {
  76       try_throw_exception();
  77     }
  78
  79   // Randomly throw. See if other threads cleanup.
  80   std::__throw_bad_exception();
  81 }
  82
  83 #if __cplusplus >= 201103L
  84 # error "must be compiled with C++98"
  85 #else
  86   void
  87   erase_external(std::set<int>& s)
  88   { s.erase(s.begin()); }
  89
  90   void
  91   erase_external(std::multiset<int>& s)
  92   { s.erase(s.begin()); }
  93
  94   void
  95   erase_external(std::map<int, int>& s)
  96   { s.erase(s.begin()); }
  97
  98   void
  99   erase_external(std::multimap<int, int>& s)
 100   { s.erase(s.begin()); }
 101
 102   void
 103   erase_external_iterators(std::set<int>& s)
 104   {
 105     typedef typename std::set<int>::iterator iterator_type;
 106     iterator_type iter = s.begin();
 107     s.erase(iter, ++iter);
 108   }
 109
 110   void
 111   erase_external_iterators(std::multiset<int>& s)
 112   {
 113     typedef typename std::multiset<int>::iterator iterator_type;
 114     iterator_type iter = s.begin();
 115     s.erase(iter, ++iter);
 116   }
 117
 118   void
 119   erase_external_iterators(std::map<int, int>& s)
 120   {
 121     typedef typename std::map<int, int>::iterator iterator_type;
 122     iterator_type iter = s.begin();
 123     s.erase(iter, ++iter);
 124   }
 125
 126
 127   void
 128   erase_external_iterators(std::multimap<int, int>& s)
 129   {
 130     typedef typename std::multimap<int, int>::iterator iterator_type;
 131     iterator_type iter = s.begin();
 132     s.erase(iter, ++iter);
 133   }
 134 #endif
 135
 136 #if __cpp_rtti
 137 // PR libstdc++/103240
 138 namespace
 139 {
 140   struct S { };
 141 }
 142 const std::type_info& pr103240_private_S = typeid(S);
 143 #endif
 144
 145 } // end namepace __gnu_test