libstdc++-v3/testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/06.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 // 27.6.1.2.2 arithmetic extractors
  19
  20 #include <istream>
  21 #include <sstream>
  22 #include <locale>
  23 #include <testsuite_hooks.h>
  24
  25 // http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00081.html
  26 // Jim Parsons
  27 void test06()
  28 {
  29   // default locale, grouping is turned off
  30   unsigned int h4;
  31   wchar_t c;
  32   std::wstring s(L"205,199,144");
  33   std::wistringstream is(s);
  34
  35   is >> h4; // 205
  36   VERIFY( h4 == 205 );
  37   is >> c; // L','
  38   VERIFY( c == L',' );
  39
  40   is >> h4; // 199
  41   VERIFY( h4 == 199 );
  42   is >> c; // L','
  43   VERIFY( c == L',' );
  44
  45   is >> h4; // 144
  46   VERIFY( is.rdstate() == std::ios_base::eofbit );
  47   VERIFY( h4 == 144 );
  48   is >> c; // EOF
  49   VERIFY( c == L',' );
  50   VERIFY( static_cast<bool>(is.rdstate() & std::ios_base::failbit) );
  51 }
  52
  53 int main()
  54 {
  55   test06();
  56   return 0;
  57 }