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/* Grapheme cluster break function test.
Copyright (C) 2010-2024 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify it
under the terms of the GNU Lesser 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Ben Pfaff <blp@cs.stanford.edu>, 2010. */
#include <config.h>
/* Specification. */
#include <unigbrk.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "macros.h"
_GL_UNUSED static const char *
graphemebreakproperty_to_string (int gbp)
{
printf ("%d\n", gbp);
switch (gbp)
{
#define CASE(VALUE) case GBP_##VALUE: return #VALUE;
CASE(OTHER)
CASE(CR)
CASE(LF)
CASE(CONTROL)
CASE(EXTEND)
CASE(PREPEND)
CASE(SPACINGMARK)
CASE(L)
CASE(V)
CASE(T)
CASE(LV)
CASE(LVT)
CASE(RI)
CASE(ZWJ)
CASE(EB)
CASE(EM)
CASE(GAZ)
CASE(EBG)
}
abort ();
}
static void
test_uc_grapheme_breaks (const char *expected, ucs4_t *s, size_t n,
const char *filename, int lineno)
{
char breaks[16];
size_t i;
ASSERT (n <= 16);
uc_grapheme_breaks (s, n, breaks);
for (i = 0; i < n; i++)
if (breaks[i] != (expected[i] == '#'))
{
size_t j;
fprintf (stderr, "wrong grapheme breaks:\n");
fprintf (stderr, " input:");
for (j = 0; j < n; j++)
fprintf (stderr, " %04X", s[j]);
putc ('\n', stderr);
fprintf (stderr, "expected:");
for (j = 0; j < n; j++)
fprintf (stderr, " %d", expected[j] == '#');
putc ('\n', stderr);
fprintf (stderr, " actual:");
for (j = 0; j < n; j++)
fprintf (stderr, " %d", breaks[j]);
putc ('\n', stderr);
fflush (stderr);
abort ();
}
}
int
main (int argc, char *argv[])
{
const char *filename;
FILE *stream;
int lineno;
char line[1024];
if (argc != 2)
{
fprintf (stderr, "usage: %s FILENAME\n"
"where FILENAME is the location of the GraphemeBreakTest.txt\n"
"test file.\n", argv[0]);
exit (1);
}
filename = argv[1];
stream = fopen (filename, "r");
if (stream == NULL)
{
fprintf (stderr, "error during fopen of '%s'\n", filename);
exit (1);
}
lineno = 0;
while (fgets (line, sizeof (line), stream))
{
lineno++;
/* Cut off the trailing comment, if any. */
char *comment = strchr (line, '#');
if (comment != NULL)
*comment = '\0';
/* Is the remaining line blank? */
if (line[strspn (line, " \t\r\n")] == '\0')
continue;
const char *p;
ucs4_t s[16];
char breaks[16];
size_t i = 0;
s[0] = 0;
p = line;
do
{
p += strspn (p, " \t\r\n");
if (!strncmp (p, "\303\267" /* ÷ */, 2))
{
breaks[i] = '#';
p += 2;
}
else if (!strncmp (p, "\303\227" /* × */, 2))
{
breaks[i] = '_';
p += 2;
}
else
{
fprintf (stderr, "%s:%d.%d: syntax error expecting '÷' or '×'\n",
filename, lineno, (int) (p - line + 1));
exit (1);
}
p += strspn (p, " \t\r\n");
if (*p == '\0')
s[i] = 0;
else
{
unsigned int next_int;
int n;
if (sscanf (p, "%x%n", &next_int, &n) != 1)
{
fprintf (stderr, "%s:%d.%d: syntax error at '%s' "
"expecting hexadecimal Unicode code point number\n",
filename, lineno, (int) (p - line + 1), p);
exit (1);
}
p += n;
s[i] = next_int;
}
p += strspn (p, " \t\r\n");
i++;
}
while (*p != '\0');
if (i > 0)
test_uc_grapheme_breaks (breaks, s, i, filename, lineno);
}
return test_exit_status;
}
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