libstdc++-v3/testsuite/27_io/manipulators/adjustfield/wchar_t/1.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
  19 #include <sstream>
  20 #include <locale>
  21 #include <iomanip>
  22 #include <testsuite_hooks.h>
  23
  24 struct MyNP : std::numpunct<wchar_t>
  25 {
  26   std::wstring do_truename() const;
  27   std::wstring do_falsename() const;
  28 };
  29
  30 std::wstring
  31 MyNP::do_truename() const
  32 {
  33   std::wstring s(L"yea");
  34   return s;
  35 }
  36
  37 std::wstring
  38 MyNP::do_falsename() const
  39 {
  40   std::wstring s(L"nay");
  41   return s;
  42 }
  43
  44 void
  45 test01()
  46 {
  47   const wchar_t lit[] = L"1 0\n"
  48                         L"true false\n"
  49                         L":  true:\n"
  50                         L":true  :\n"
  51                         L": false:\n"
  52                         L":  1:\n"
  53                         L":1  :\n"
  54                         L":  0:\n"
  55                         L"yea nay\n"
  56                         L":   yea:\n"
  57                         L":yea   :\n"
  58                         L":   nay:\n";
  59
  60   std::wostringstream oss;
  61   oss << true << L" " << false << std::endl;
  62   oss << std::boolalpha;
  63   oss << true << L" " << false << std::endl;
  64
  65   oss << L":" << std::setw(6) << std::internal << true << L":" << std::endl;
  66   oss << L":" << std::setw(6) << std::left << true << L":" << std::endl;
  67   oss << L":" << std::setw(6) << std::right << false << L":" << std::endl;
  68   oss << std::noboolalpha;
  69   oss << L":" << std::setw(3) << std::internal << true << L":" << std::endl;
  70   oss << L":" << std::setw(3) << std::left << true << L":" << std::endl;
  71   oss << L":" << std::setw(3) << std::right << false << L":" << std::endl;
  72
  73   std::locale loc = std::locale(std::locale::classic(), new MyNP);
  74   oss.imbue(loc);
  75
  76   oss << std::boolalpha;
  77   oss << true << L" " << false << std::endl;
  78
  79   oss << L":" << std::setw(6) << std::internal << true << L":" << std::endl;
  80   oss << L":" << std::setw(6) << std::left << true << L":" << std::endl;
  81   oss << L":" << std::setw(6) << std::right << false << L":" << std::endl;
  82
  83   VERIFY( oss.good() );
  84   VERIFY( oss.str() == lit );
  85 }
  86
  87 int
  88 main()
  89 {
  90   test01();
  91   return 0;
  92 }