libstdc++-v3/testsuite/27_io/basic_ostringstream/cons/wchar_t/3.cc

   1 // Copyright (C) 2004-2020 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 // 27.7.3.2 member functions (ostringstream_members)
  19
  20 #include <sstream>
  21 #include <testsuite_hooks.h>
  22
  23 // 03: sanity checks for strings, stringbufs
  24 void
  25 test03()
  26 {
  27   // Empty string sanity check.
  28   std::wstring str01;
  29   std::wstring::iterator __i_start = str01.begin();
  30   std::wstring::iterator __i_end = str01.end();
  31   std::wstring::size_type len = str01.size();
  32   VERIFY( __i_start == __i_end );
  33   VERIFY( len == 0 );
  34
  35   // Full string sanity check.
  36   std::wstring str02(L"these golden days, i spend waiting for you:\n"
  37                      L"Betty Carter on Verve with I'm Yours and You're Mine.");
  38   __i_start = str02.begin();
  39   __i_end = str02.end();
  40   len = str02.size();
  41   VERIFY( __i_start != __i_end );
  42   VERIFY( len != 0 );
  43
  44   // Test an empty ostringstream for sanity.
  45   std::wostringstream ostrstream0;
  46   std::wstring str03 = ostrstream0.str();
  47   __i_start = str03.begin();
  48   __i_end = str03.end();
  49   len = str03.size();
  50   VERIFY( __i_start == __i_end );
  51   VERIFY( len == 0 );
  52   VERIFY( str01 == str03 );
  53 }
  54
  55 int main()
  56 {
  57   test03();
  58   return 0;
  59 }