libstdc++-v3/testsuite/27_io/manipulators/basefield/wchar_t/1.cc

   1 // Copyright (C) 2004-2024 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::string do_grouping() const;
  27   wchar_t do_thousands_sep() const;
  28 };
  29
  30 std::string
  31 MyNP::do_grouping() const
  32 {
  33   std::string s("\3");
  34   return s;
  35 }
  36
  37 wchar_t
  38 MyNP::do_thousands_sep() const
  39 { return L' '; }
  40
  41 void test01()
  42 {
  43   const wchar_t lit[] = L"0123 456\n"
  44                         L": 01 234 567:\n"
  45                         L":0123 456   :\n"
  46                         L":    012 345:\n"
  47                         L":     01 234:\n"
  48                         L":0726 746 425:\n"
  49                         L":04 553 207 :\n"
  50                         L":   0361 100:\n"
  51                         L":       0173:\n"
  52                         L"0x12 345 678\n"
  53                         L"|0x000012 345 678|\n"
  54                         L"|0x12 345 6780000|\n"
  55                         L"|00000x12 345 678|\n"
  56                         L"|0x000012 345 678|\n";
  57
  58   std::wostringstream oss;
  59   oss.imbue(std::locale(std::locale(), new MyNP));
  60
  61   // Octals
  62   oss << std::oct << std::showbase;
  63   oss << 0123456l << std::endl;
  64
  65   oss << L":" << std::setw(11);
  66   oss << 01234567l << L":" << std::endl;
  67
  68   oss << L":" << std::setw(11) << std::left;
  69   oss << 0123456l << L":" << std::endl;
  70
  71   oss << L":" << std::setw(11) << std::right;
  72   oss << 012345l << L":" << std::endl;
  73
  74   oss << L":" << std::setw(11) << std::internal;
  75   oss << 01234l << L":" << std::endl;
  76
  77   oss << L":" << std::setw(11);
  78   oss << 123456789l << L":" << std::endl;
  79
  80   oss << L":" << std::setw(11) << std::left;
  81   oss << 1234567l << L":" << std::endl;
  82
  83   oss << L":" << std::setw(11) << std::right;
  84   oss << 123456l << L":" << std::endl;
  85
  86   oss << L":" << std::setw(11) << std::internal;
  87   oss << 123l << L":" << std::endl;
  88
  89   // Hexadecimals
  90   oss << std::hex << std::setfill(L'0');
  91   oss << 0x12345678l << std::endl;
  92
  93   oss << L"|" << std::setw(16);
  94   oss << 0x12345678l << L"|" << std::endl;
  95
  96   oss << L"|" << std::setw(16) << std::left;
  97   oss << 0x12345678l << L"|" << std::endl;
  98
  99   oss << L"|" << std::setw(16) << std::right;
 100   oss << 0x12345678l << L"|" << std::endl;
 101
 102   oss << L"|" << std::setw(16) << std::internal;
 103   oss << 0x12345678l << L"|" << std::endl;
 104
 105   VERIFY( oss.good() );
 106   VERIFY( oss.str() == lit );
 107 }
 108
 109 int
 110 main()
 111 {
 112   test01();
 113   return 0;
 114 }