libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/wchar_t/3.cc

   1 // Copyright (C) 2005-2017 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 #include <sstream>
  19 #include <limits>
  20 #include <testsuite_hooks.h>
  21
  22 template<typename T>
  23 void
  24 test03_check(T n)
  25 {
  26   using namespace std;
  27
  28   wstringbuf strbuf;
  29   wostream o(&strbuf);
  30   const wchar_t *expect;
  31
  32   if (numeric_limits<T>::digits + 1 == 16)
  33     expect = L"177777 ffff";
  34   else if (numeric_limits<T>::digits + 1 == 32)
  35     expect = L"37777777777 ffffffff";
  36   else if (numeric_limits<T>::digits + 1 == 64)
  37     expect = L"1777777777777777777777 ffffffffffffffff";
  38   else
  39     expect = L"wow, you've got some big numbers here";
  40
  41   o << oct << n << L' ' << hex << n;
  42   VERIFY ( strbuf.str() == expect );
  43 }
  44
  45 void
  46 test03()
  47 {
  48   short s = -1;
  49   int i = -1;
  50   long l = -1;
  51
  52   test03_check(s);
  53   test03_check(i);
  54   test03_check(l);
  55 }
  56
  57 int
  58 main()
  59 {
  60   test03();
  61   return 0;
  62 }