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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 22_locale / num_get / get / wchar_t / 7.cc

// 2003-10-25  Paolo Carlini  <pcarlini@suse.de>

// Copyright (C) 2003-2022 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.

// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

// 22.2.2.1.1  num_get members

#include <locale>
#include <sstream>
#include <testsuite_hooks.h>

void test01()
{
  using namespace std;
  typedef istreambuf_iterator<wchar_t> iterator_type;

  // cache the num_get facet
  wistringstream iss;
  const num_get<wchar_t>& ng = use_facet<num_get<wchar_t> >(iss.getloc()); 
  ios_base::iostate err = ios_base::goodbit;
  iterator_type end;
  double d;

  iss.str(L"+e3");
  end = ng.get(iss.rdbuf(), 0, iss, err, d);
  VERIFY( err == ios_base::failbit );
  VERIFY( *end == L'e' );

  iss.str(L".e+1");
  iss.clear();
  err = ios_base::goodbit;
  end = ng.get(iss.rdbuf(), 0, iss, err, d);
  VERIFY( err == ios_base::failbit );
  VERIFY( *end == L'e' );
}

int main()
{
  test01();
  return 0;
}