libstdc++-v3/testsuite/22_locale/num_put/put/char/6.cc

   1 // 2003-02-05 Paolo Carlini <pcarlini@unitus.it>
   2
   3 // Copyright (C) 2003-2020 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 // 22.2.2.2.1  num_put members
  21
  22 #include <locale>
  23 #include <sstream>
  24 #include <testsuite_hooks.h>
  25
  26 // libstdc++/9548 and DR 231
  27 void test01()
  28 {
  29   using namespace std;
  30
  31   ostringstream oss1, oss2;
  32   const num_put<char>& np1 = use_facet<num_put<char> >(oss1.getloc());
  33   const num_put<char>& np2 = use_facet<num_put<char> >(oss2.getloc());
  34
  35   string result1, result2;
  36
  37   oss1.precision(-1);
  38   oss1.setf(ios_base::fixed, ios_base::floatfield);
  39   np1.put(oss1.rdbuf(), oss1, '+', 30.5);
  40   result1 = oss1.str();
  41   VERIFY( result1 == "30.500000" );
  42
  43   oss2.precision(0);
  44   oss2.setf(ios_base::scientific, ios_base::floatfield);
  45   np2.put(oss2.rdbuf(), oss2, '+', 1.0);
  46   result2 = oss2.str();
  47   VERIFY( result2 == "1e+00" );
  48 }
  49
  50 int main()
  51 {
  52   test01();
  53   return 0;
  54 }