view tests/unistr/test-u16-cmp.c @ 17082:62741e75b7c5

poll/select: document portability problems not fixed by Gnulib. * doc/posix-functions/poll.texi: poll does not work well on pipes under Windows. It has the same limitations as select on BeOS. * doc/posix-functions/select.texi: select does not work well on pipes under Windows.
author Paolo Bonzini <pbonzini@redhat.com>
date Thu, 13 Sep 2012 08:51:16 +0200
parents 8250f2777afc
children e542fd46ad6f
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/* Test of u16_cmp() function.
   Copyright (C) 2010-2012 Free Software Foundation, Inc.

   This program 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 of the License, or
   (at your option) any later version.

   This program 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 program.  If not, see <http://www.gnu.org/licenses/>.  */

/* Written by Bruno Haible <bruno@clisp.org>, 2010.  */

#include <config.h>

#include "unistr.h"

#include "zerosize-ptr.h"
#include "macros.h"

#define UNIT uint16_t
#define U_CMP u16_cmp
#define MAGIC 0xBADE
#include "test-cmp.h"

int
main ()
{
  test_cmp ();

  /* Test comparison with non-BMP characters, split into surrogates.  */
  {
    static const UNIT input1[] = { 0xD835, 0xDD1E };
    static const UNIT input2[] = { 0xFEFF, 0xFFE5 };
    ASSERT (U_CMP (input1, input2, 2) > 0);
    ASSERT (U_CMP (input2, input1, 2) < 0);
    ASSERT (U_CMP (input1, input2, 1) > 0);
    ASSERT (U_CMP (input2, input1, 1) < 0);
  }

  return 0;
}