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/* Grapheme cluster breaks test.
Copyright (C) 2009-2024 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 <https://www.gnu.org/licenses/>. */
/* Written by Ben Pfaff <blp@cs.stanford.edu>, 2010,
based on code by Bruno Haible <bruno@clisp.org>, 2009. */
#include <config.h>
#include "unigbrk.h"
#include <locale.h>
#include <stdlib.h>
#include "macros.h"
static bool
is_8859_6_break (unsigned char c)
{
/* ISO-8859-6 has combining characters in positions 0xeb through 0xf2. */
return !(c >= 0xeb && c <= 0xf2);
}
int
main ()
{
/* configure should already have checked that the locale is supported. */
if (setlocale (LC_ALL, "") == NULL)
return 1;
/* Test case n = 0. */
ulc_grapheme_breaks (NULL, 0, NULL);
#if HAVE_ICONV
{
/* This is just a random collection of bytes from ISO-8859-6.
(We use ISO-8859-6 because it is one of very few non-UTF-8 locale
encodings supported by glibc that have combining characters.) */
static const char s[] = "ZYX\352\353W\360\361V\362";
enum { LENGTH = sizeof s - 1 };
char p[LENGTH];
size_t i;
ulc_grapheme_breaks (s, LENGTH, p);
for (i = 0; i < LENGTH; i++)
if (p[i] != is_8859_6_break (s[i]))
{
size_t j;
fprintf (stderr, "wrong grapheme breaks:\n");
fprintf (stderr, " input:");
for (j = 0; j < LENGTH; j++)
fprintf (stderr, " %02X", (unsigned char) s[j]);
putc ('\n', stderr);
fprintf (stderr, "expected:");
for (j = 0; j < LENGTH; j++)
fprintf (stderr, " %d", is_8859_6_break (s[j]));
putc ('\n', stderr);
fprintf (stderr, " actual:");
for (j = 0; j < LENGTH; j++)
fprintf (stderr, " %d", p[j]);
putc ('\n', stderr);
fflush (stderr);
abort ();
}
}
#endif
return 0;
}
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