libstdc++-v3/testsuite/27_io/basic_ostream/inserters_character/char/2.cc

   1 // 1999-08-16 bkoz
   2
   3 // Copyright (C) 1999-2024 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 // 27.6.2.5.4 basic_ostream character inserters
  21
  22 #include <string>
  23 #include <ostream>
  24 #include <sstream>
  25 #include <testsuite_hooks.h>
  26
  27 // ostringstream width() != zero
  28 // left
  29 void
  30 test02(void)
  31 {
  32   std::string tmp;
  33
  34   std::string str01 = "";
  35   std::ostringstream oss01;
  36   oss01.width(5);
  37   oss01.fill('0');
  38   oss01.flags(std::ios_base::left);
  39   oss01 << str01;
  40   tmp = oss01.str();
  41   VERIFY( tmp == "00000" );
  42
  43   std::string str02 = "1";
  44   std::ostringstream oss02;
  45   oss02.width(5);
  46   oss02.fill('0');
  47   oss02.flags(std::ios_base::left);
  48   oss02 << str02;
  49   tmp = oss02.str();
  50   VERIFY( tmp == "10000" );
  51
  52   std::string str03 = "909909";
  53   std::ostringstream oss03;
  54   oss03.width(5);
  55   oss03.fill('0');
  56   oss03.flags(std::ios_base::left);
  57   oss03 << str03;
  58   tmp = oss03.str();
  59   VERIFY( tmp == "909909" );
  60 }
  61
  62 int main()
  63 {
  64   test02();
  65   return 0;
  66 }