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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 22_locale / collate / compare / wchar_t / 1.cc

// { dg-require-namedlocale "en_US.ISO8859-1" }
// { dg-require-namedlocale "fr_FR.ISO8859-15" }
// { dg-require-namedlocale "de_DE.ISO8859-15" }

// 2001-08-15 Benjamin Kosnik  <bkoz@redhat.com>

// Copyright (C) 2001-2020 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/>.

// 22.2.4.1.1 collate members

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

// Check "C" locale.
void test01()
{
  using namespace std;
  typedef std::collate<wchar_t>::string_type string_type;

  // basic construction
  locale loc_c = locale::classic();
  locale loc_us = locale(ISO_8859(1,en_US));
  locale loc_fr = locale(ISO_8859(15,fr_FR));
  locale loc_de = locale(ISO_8859(15,de_DE));
  VERIFY( loc_c != loc_de );
  VERIFY( loc_us != loc_fr );
  VERIFY( loc_us != loc_de );
  VERIFY( loc_de != loc_fr );

  // cache the collate facets
  const collate<wchar_t>& coll_c = use_facet<collate<wchar_t> >(loc_c); 

  // int compare(const charT*, const charT*, const charT*, const charT*) const

  const wchar_t* strlit1 = L"monkey picked tikuanyin oolong";
  const wchar_t* strlit2 = L"imperial tea court green oolong";

  int i1;
  int i2;
  int size1 = char_traits<wchar_t>::length(strlit1) - 1;
  int size2 = char_traits<wchar_t>::length(strlit2) - 1;

  i1 = coll_c.compare(strlit1, strlit1 + size1, strlit1, strlit1 + 7);
  VERIFY ( i1 == 1 );
  i1 = coll_c.compare(strlit1, strlit1 + 7, strlit1, strlit1 + size1);
  VERIFY ( i1 == -1 );
  i1 = coll_c.compare(strlit1, strlit1 + 7, strlit1, strlit1 + 7);
  VERIFY ( i1 == 0 );

  i2 = coll_c.compare(strlit2, strlit2 + size2, strlit2, strlit2 + 13);
  VERIFY ( i2 == 1 );
  i2 = coll_c.compare(strlit2, strlit2 + 13, strlit2, strlit2 + size2);
  VERIFY ( i2 == -1 );
  i2 = coll_c.compare(strlit2, strlit2 + size2, strlit2, strlit2 + size2);
  VERIFY ( i2 == 0 );
}

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