libstdc++-v3/testsuite/22_locale/locale/cons/12438.cc

   1 // { dg-require-namedlocale "" }
   2
   3 // Copyright (C) 2003-2014 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 // 22.1.1.2 locale constructors and destructors [lib.locale.cons]
  21
  22 #include <locale>
  23 #include <stdexcept>
  24 #include <cstdlib>
  25 #include <testsuite_hooks.h>
  26
  27 class MyFacet : public std::locale::facet
  28 {
  29 public:
  30   static std::locale::id id;
  31 };
  32
  33 std::locale::id MyFacet::id;
  34
  35 // libstdc++/12438
  36 void test01(int iters)
  37 {
  38   using namespace std;
  39   bool test __attribute__((unused)) = true;
  40
  41   for (int i = 0; i < iters; ++i)
  42     {
  43       try
  44         {
  45           locale loc1 = locale::classic();
  46           locale loc2 = locale("");
  47           VERIFY( !has_facet<MyFacet>(loc2) );
  48
  49           loc1.combine<MyFacet>(loc2);
  50           VERIFY( false );
  51         }
  52       catch (std::runtime_error&)
  53         {
  54         }
  55     }
  56 }
  57
  58 int main(int argc, char* argv[])
  59 {
  60   // We leaked ~400-500 bytes/iter.
  61   __gnu_test::set_memory_limits(10.0);
  62   int iters = 30000;
  63
  64   if (argc > 1)
  65     iters = atoi(argv[1]);
  66   if (iters < 1)
  67     iters = 1;
  68   test01(iters);
  69
  70   return 0;
  71 }