libstdc++-v3/testsuite/23_containers/vector/bool/modifiers/insert/31370.cc

   1 // Copyright (C) 2007-2013 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 // 23.2.5 class vector<bool> [lib.vector.bool]
  19
  20 // { dg-skip-if "" { powerpc64-*-freebsd* } { "*" } { "" } }
  21 // { dg-do run { xfail *-*-darwin8.[0-4].* } }
  22
  23 #include <vector>
  24 #include <stdexcept>
  25 #include <testsuite_hooks.h>
  26
  27 #ifdef _GLIBCXX_DEBUG
  28   using std::_GLIBCXX_STD_C::_S_word_bit;
  29 #elif defined(_GLIBCXX_PROFILE)
  30   using std::_GLIBCXX_STD_C::_S_word_bit;
  31 #else
  32   using std::_S_word_bit;
  33 #endif
  34
  35 inline void
  36 check_cap_ge_size(const std::vector<bool>& x)
  37 {
  38   if (x.capacity() < x.size())
  39     throw std::logic_error("");
  40 }
  41
  42 inline void
  43 check_cap_eq_maxsize(const std::vector<bool>& x)
  44 {
  45   if (x.capacity() != x.max_size())
  46     throw std::logic_error("");
  47 }
  48
  49 // libstdc++/31370
  50 void test01()
  51 {
  52   bool test __attribute__((unused)) = true;
  53   int myexit = 0;
  54
  55   try
  56     {
  57       std::vector<bool> x;
  58       x.reserve(x.max_size());
  59       check_cap_eq_maxsize(x);
  60     }
  61   catch(std::bad_alloc&)
  62     { }
  63   catch(std::exception&)
  64     { ++myexit; }
  65
  66   // When doubling is too big, but smaller is sufficient, the resize
  67   // should do smaller and be happy.  It certainly shouldn't throw
  68   // other exceptions or crash.
  69   try
  70     {
  71       std::vector<bool> x;
  72       x.resize(x.max_size() / 2 + 1, false);
  73       for(int i = 0; i < _S_word_bit; ++i)
  74         x.push_back(false);
  75       check_cap_ge_size(x);
  76     }
  77   catch(std::bad_alloc&)
  78     { }
  79   catch(std::exception&)
  80     { ++myexit; }
  81
  82   try
  83     {
  84       std::vector<bool> x;
  85       x.resize(x.max_size() / 2 + 1, false);
  86       x.insert(x.end(), _S_word_bit, false);
  87       check_cap_ge_size(x);
  88     }
  89   catch(std::bad_alloc&)
  90     { }
  91   catch(std::exception&)
  92     { ++myexit; }
  93
  94   try
  95     {
  96       std::vector<bool> x;
  97       x.resize(x.max_size() / 2 + 1, false);
  98       std::vector<bool> y(_S_word_bit, false);
  99       x.insert(x.end(), y.begin(), y.end());
 100       check_cap_ge_size(x);
 101     }
 102   catch(std::bad_alloc&)
 103     { }
 104   catch(std::exception&)
 105     { ++myexit; }
 106
 107   // These tests are currently only relevant to bool: don't get burned
 108   // by the attempt to round up when near the max size.
 109   try
 110     {
 111       std::vector<bool> x;
 112       x.resize(x.max_size() - _S_word_bit, false);
 113       for(int i = 0; i < _S_word_bit; ++i)
 114         x.push_back(false);
 115       check_cap_ge_size(x);
 116     }
 117   catch(std::bad_alloc&)
 118     { }
 119   catch(std::exception&)
 120     { ++myexit; }
 121
 122   try
 123     {
 124       std::vector<bool> x;
 125       x.resize(x.max_size() - _S_word_bit, false);
 126       x.insert(x.end(), _S_word_bit, false);
 127       check_cap_ge_size(x);
 128     }
 129   catch(std::bad_alloc&)
 130     { }
 131   catch(std::exception&)
 132     { ++myexit; }
 133
 134   try
 135     {
 136       std::vector<bool> x;
 137       x.resize(x.max_size() - _S_word_bit, false);
 138       std::vector<bool> y(_S_word_bit, false);
 139       x.insert(x.end(), y.begin(), y.end());
 140       check_cap_ge_size(x);
 141     }
 142   catch(std::bad_alloc&)
 143     { }
 144   catch(std::exception&)
 145     { ++myexit; }
 146
 147   // Attempts to put in more than max_size() items should result in a
 148   // length error.
 149   try
 150     {
 151       std::vector<bool> x;
 152       x.resize(x.max_size() - _S_word_bit, false);
 153       for(int i = 0; i < _S_word_bit + 1; ++i)
 154         x.push_back(false);
 155       ++myexit;
 156     }
 157   catch(std::bad_alloc)
 158     { }
 159   catch(std::length_error)
 160     { }
 161   catch(std::exception)
 162     { ++myexit; }
 163
 164   try
 165     {
 166       std::vector<bool> x;
 167       x.resize(x.max_size() - _S_word_bit, false);
 168       x.insert(x.end(), _S_word_bit + 1, false);
 169       ++myexit;
 170     }
 171   catch(std::bad_alloc)
 172     { }
 173   catch(std::length_error)
 174     { }
 175   catch(std::exception)
 176     { ++myexit; }
 177
 178   try
 179     {
 180       std::vector<bool> x;
 181       x.resize(x.max_size() - _S_word_bit, false);
 182       std::vector<bool> y(_S_word_bit + 1, false);
 183       x.insert(x.end(), y.begin(), y.end());
 184       ++myexit;
 185     }
 186   catch(std::bad_alloc)
 187     { }
 188   catch(std::length_error)
 189     { }
 190   catch(std::exception)
 191     { ++myexit; }
 192
 193   VERIFY( !myexit );
 194 }
 195
 196 int main()
 197 {
 198   test01();
 199   return 0;
 200 }