libstdc++-v3/testsuite/27_io/basic_ostream/inserters_other/wchar_t/error_code.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-swprintf "" }
   3
   4 // Copyright (C) 2007-2021 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <ostream>
  22 #include <sstream>
  23 #include <system_error>
  24 #include <algorithm>
  25 #include <cwchar>
  26 #include <testsuite_hooks.h>
  27
  28 //   Effects: os << ec.category().name() << ':' << ec.value();
  29 void test()
  30 {
  31   using namespace std;
  32
  33   wchar_t buf[64];
  34   error_code e1;
  35   error_code e2(make_error_code(errc::bad_address));
  36   wstring s, s1, s2;
  37
  38   {
  39     wostringstream ostr;
  40     ostr << e1 << endl;
  41     s1 = ostr.str();
  42
  43     if (ostr.rdstate() & ios_base::eofbit)
  44       VERIFY( false );
  45   }
  46
  47   VERIFY( find(s1.begin(), s1.end(), L':') != s1.end() );
  48
  49   swprintf(buf, 64, L"%i", e1.value());
  50   s = buf;
  51   VERIFY( s1.find(s) != string::npos );
  52
  53   {
  54     wostringstream ostr;
  55     ostr << e2 << endl;
  56     s2 = ostr.str();
  57
  58     if (ostr.rdstate() & ios_base::eofbit)
  59       VERIFY( false );
  60   }
  61
  62   VERIFY( find(s2.begin(), s2.end(), L':') != s2.end() );
  63
  64   swprintf(buf, 64, L"%i", e2.value());
  65   s = buf;
  66   VERIFY( s2.find(s) != string::npos );
  67 }
  68
  69 int
  70 main()
  71 {
  72   test();
  73   return 0;
  74 }