libstdc++-v3/testsuite/22_locale/num_get/get/char/8.cc

   1 // 2003-12-15  Paolo Carlini  <pcarlini@suse.de>
   2
   3 // Copyright (C) 2003-2021 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 // 22.2.2.1.1  num_get members
  21
  22 #include <locale>
  23 #include <sstream>
  24 #include <testsuite_hooks.h>
  25
  26 void test01()
  27 {
  28   using namespace std;
  29   typedef istreambuf_iterator<char> iterator_type;
  30
  31   bool b;
  32
  33   // cache the num_get facet
  34   istringstream iss;
  35   const num_get<char>& ng = use_facet<num_get<char> >(iss.getloc());
  36   const ios_base::iostate goodbit = ios_base::goodbit;
  37   const ios_base::iostate failbit = ios_base::failbit;
  38   ios_base::iostate err;
  39   iterator_type end;
  40
  41   iss.setf(ios_base::boolalpha);
  42   iss.str("faLse");
  43   err = goodbit;
  44   end = ng.get(iss.rdbuf(), 0, iss, err, b);
  45   VERIFY( *end == 'L' );
  46   VERIFY( err == failbit );
  47
  48   iss.str("falsr");
  49   iss.clear();
  50   err = goodbit;
  51   end = ng.get(iss.rdbuf(), 0, iss, err, b);
  52   VERIFY( *end == 'r' );
  53   VERIFY( err == failbit );
  54
  55   iss.str("trus");
  56   iss.clear();
  57   err = goodbit;
  58   end = ng.get(iss.rdbuf(), 0, iss, err, b);
  59   VERIFY( *end == 's' );
  60   VERIFY( err == failbit );
  61 }
  62
  63 int main()
  64 {
  65   test01();
  66   return 0;
  67 }