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

   1 // Copyright (C) 2004-2019 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
  27 namespace __gnu_test
  28 {
  29 // libstdc++/22309
  30 extern "C" void
  31 try_allocation()
  32 {
  33   typedef char value_t;
  34
  35   typedef __gnu_cxx::__mt_alloc<value_t> allocator_t;
  36
  37   typedef std::char_traits<value_t> traits_t;
  38   typedef std::basic_string<value_t, traits_t, allocator_t> string_t;
  39
  40   string_t s;
  41   s += "west beach, indiana dunes";
  42 }
  43
  44 // libstdc++/23591
  45 extern "C" void
  46 try_throw_exception()
  47 {
  48   try
  49     {
  50       std::__throw_bad_exception();
  51     }
  52   catch (const std::exception& e)
  53     { }
  54 }
  55
  56 extern "C" void
  57 try_function_random_fail()
  58 {
  59   long seed = lrand48();
  60   if (seed < 2000)
  61     seed = 2000;
  62
  63   {
  64     std::ostringstream s;
  65     s << "random_throw, seed: " << seed << std::endl;
  66     std::cout << s.str();
  67   }
  68
  69   while (--seed > 0)
  70     {
  71       try_throw_exception();
  72     }
  73
  74   // Randomly throw. See if other threads cleanup.
  75   std::__throw_bad_exception();
  76 }
  77
  78 #if __cplusplus < 201103L
  79 // "must be compiled with C++98"
  80   void
  81   erase_external(std::set<int>& s)
  82   { s.erase(s.begin()); }
  83
  84   void
  85   erase_external(std::multiset<int>& s)
  86   { s.erase(s.begin()); }
  87
  88   void
  89   erase_external(std::map<int, int>& s)
  90   { s.erase(s.begin()); }
  91
  92   void
  93   erase_external(std::multimap<int, int>& s)
  94   { s.erase(s.begin()); }
  95
  96   void
  97   erase_external_iterators(std::set<int>& s)
  98   {
  99     typedef typename std::set<int>::iterator iterator_type;
 100     iterator_type iter = s.begin();
 101     s.erase(iter, ++iter);
 102   }
 103
 104   void
 105   erase_external_iterators(std::multiset<int>& s)
 106   {
 107     typedef typename std::multiset<int>::iterator iterator_type;
 108     iterator_type iter = s.begin();
 109     s.erase(iter, ++iter);
 110   }
 111
 112   void
 113   erase_external_iterators(std::map<int, int>& s)
 114   {
 115     typedef typename std::map<int, int>::iterator iterator_type;
 116     iterator_type iter = s.begin();
 117     s.erase(iter, ++iter);
 118   }
 119
 120
 121   void
 122   erase_external_iterators(std::multimap<int, int>& s)
 123   {
 124     typedef typename std::multimap<int, int>::iterator iterator_type;
 125     iterator_type iter = s.begin();
 126     s.erase(iter, ++iter);
 127   }
 128 #endif
 129
 130 } // end namepace __gnu_test