libstdc++-v3/testsuite/22_locale/locale/cons/6.cc

   1 // 2001-01-19 Benjamin Kosnik <bkoz@redhat.com>
   2
   3 // Copyright (C) 2001-2020 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 - Class locale [lib.locale]
  21
  22 #include <locale>
  23 #include <string>
  24 #include <testsuite_hooks.h>
  25
  26 // creating unnamed locales 1 using new + combine
  27 void
  28 test01()
  29 {
  30   using namespace std;
  31   const string name_c("C");
  32   const string str_unnamed("*");
  33   string str;
  34
  35   // construct a locale object with the specialized facet.
  36   locale                loc_c = locale::classic();
  37   locale                loc_1(locale::classic(), new numpunct<char>);
  38
  39   // check names
  40   VERIFY( loc_c.name() == name_c );
  41   VERIFY( loc_1.name() == str_unnamed );
  42
  43   // sanity check the constructed locale has the specialized facet.
  44   VERIFY( has_facet<numpunct<char> >(loc_1) );
  45   VERIFY( has_facet<numpunct<char> >(loc_c) );
  46
  47   // attempt to re-synthesize classic locale
  48   locale                loc_2 = loc_1.combine<numpunct<char> >(loc_c);
  49   VERIFY( loc_2.name() == str_unnamed );
  50   VERIFY( loc_2 != loc_c );
  51 }
  52
  53 int main()
  54 {
  55   test01();
  56   return 0;
  57 }