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/* Test of casefolding mapping for UTF-16 strings.
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 Bruno Haible <bruno@clisp.org>, 2009. */
#include <config.h>
#include "unicase.h"
#include <stdlib.h>
#include "unistr.h"
#include "uninorm.h"
#include "macros.h"
static int
check (const uint16_t *input, size_t input_length,
const char *iso639_language, uninorm_t nf,
const uint16_t *expected, size_t expected_length)
{
size_t length;
uint16_t *result;
/* Test return conventions with resultbuf == NULL. */
result = u16_casefold (input, input_length, iso639_language, nf, NULL, &length);
if (!(result != NULL))
return 1;
if (!(length == expected_length))
return 2;
if (!(u16_cmp (result, expected, expected_length) == 0))
return 3;
free (result);
/* Test return conventions with resultbuf too small. */
if (expected_length > 0)
{
uint16_t *preallocated;
length = expected_length - 1;
preallocated = (uint16_t *) malloc (length * sizeof (uint16_t));
result = u16_casefold (input, input_length, iso639_language, nf, preallocated, &length);
if (!(result != NULL))
return 4;
if (!(result != preallocated))
return 5;
if (!(length == expected_length))
return 6;
if (!(u16_cmp (result, expected, expected_length) == 0))
return 7;
free (result);
free (preallocated);
}
/* Test return conventions with resultbuf large enough. */
{
uint16_t *preallocated;
length = expected_length;
preallocated = (uint16_t *) malloc (length * sizeof (uint16_t));
result = u16_casefold (input, input_length, iso639_language, nf, preallocated, &length);
if (!(result != NULL))
return 8;
if (!(preallocated == NULL || result == preallocated))
return 9;
if (!(length == expected_length))
return 10;
if (!(u16_cmp (result, expected, expected_length) == 0))
return 11;
free (preallocated);
}
return 0;
}
int
main ()
{
{ /* Empty string. */
ASSERT (check (NULL, 0, NULL, NULL, NULL, 0) == 0);
ASSERT (check (NULL, 0, NULL, UNINORM_NFC, NULL, 0) == 0);
}
/* Simple string. */
{ /* "Grüß Gott. Здравствуйте! x=(-b±sqrt(b²-4ac))/(2a) 日本語,中文,한글" */
static const uint16_t input[] =
{ 'G', 'r', 0x00FC, 0x00DF, ' ', 'G', 'o', 't', 't', '.', ' ',
0x0417, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
0x0439, 0x0442, 0x0435, '!', ' ',
'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
'-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
};
static const uint16_t casefolded[] =
{ 'g', 'r', 0x00FC, 0x0073, 0x0073, ' ', 'g', 'o', 't', 't', '.', ' ',
0x0437, 0x0434, 0x0440, 0x0430, 0x0432, 0x0441, 0x0442, 0x0432, 0x0443,
0x0439, 0x0442, 0x0435, '!', ' ',
'x', '=', '(', '-', 'b', 0x00B1, 's', 'q', 'r', 't', '(', 'b', 0x00B2,
'-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')', ' ', ' ',
0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
};
ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
}
/* Case mapping can increase the number of Unicode characters. */
{ /* LATIN SMALL LETTER N PRECEDED BY APOSTROPHE */
static const uint16_t input[] = { 0x0149 };
static const uint16_t casefolded[] = { 0x02BC, 0x006E };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
}
{ /* GREEK SMALL LETTER IOTA WITH DIALYTIKA AND TONOS */
static const uint16_t input[] = { 0x0390 };
static const uint16_t casefolded[] = { 0x03B9, 0x0308, 0x0301 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
}
/* Turkish letters i İ ı I */
{ /* LATIN CAPITAL LETTER I */
static const uint16_t input[] = { 0x0049 };
static const uint16_t casefolded[] = { 0x0069 };
static const uint16_t casefolded_tr[] = { 0x0131 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
ASSERT (check (input, SIZEOF (input), "tr", NULL, casefolded_tr, SIZEOF (casefolded_tr)) == 0);
}
{ /* LATIN SMALL LETTER I */
static const uint16_t input[] = { 0x0069 };
static const uint16_t casefolded[] = { 0x0069 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
ASSERT (check (input, SIZEOF (input), "tr", NULL, casefolded, SIZEOF (casefolded)) == 0);
}
{ /* LATIN CAPITAL LETTER I WITH DOT ABOVE */
static const uint16_t input[] = { 0x0130 };
static const uint16_t casefolded[] = { 0x0069, 0x0307 };
static const uint16_t casefolded_tr[] = { 0x0069 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
ASSERT (check (input, SIZEOF (input), "tr", NULL, casefolded_tr, SIZEOF (casefolded_tr)) == 0);
}
{ /* LATIN SMALL LETTER DOTLESS I */
static const uint16_t input[] = { 0x0131 };
static const uint16_t casefolded[] = { 0x0131 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
ASSERT (check (input, SIZEOF (input), "tr", NULL, casefolded, SIZEOF (casefolded)) == 0);
}
{ /* "topkapı" */
static const uint16_t input[] =
{ 0x0074, 0x006F, 0x0070, 0x006B, 0x0061, 0x0070, 0x0131 };
static const uint16_t casefolded[] =
{ 0x0074, 0x006F, 0x0070, 0x006B, 0x0061, 0x0070, 0x0131 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
ASSERT (check (input, SIZEOF (input), "tr", NULL, casefolded, SIZEOF (casefolded)) == 0);
}
/* Uppercasing can increase the number of Unicode characters. */
{ /* "heiß" */
static const uint16_t input[] = { 0x0068, 0x0065, 0x0069, 0x00DF };
static const uint16_t casefolded[] = { 0x0068, 0x0065, 0x0069, 0x0073, 0x0073 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
}
/* Case mappings for some characters can depend on the surrounding characters. */
{ /* "περισσότερες πληροφορίες" */
static const uint16_t input[] =
{
0x03C0, 0x03B5, 0x03C1, 0x03B9, 0x03C3, 0x03C3, 0x03CC, 0x03C4,
0x03B5, 0x03C1, 0x03B5, 0x03C2, 0x0020, 0x03C0, 0x03BB, 0x03B7,
0x03C1, 0x03BF, 0x03C6, 0x03BF, 0x03C1, 0x03AF, 0x03B5, 0x03C2
};
static const uint16_t casefolded[] =
{
0x03C0, 0x03B5, 0x03C1, 0x03B9, 0x03C3, 0x03C3, 0x03CC, 0x03C4,
0x03B5, 0x03C1, 0x03B5, 0x03C3, 0x0020, 0x03C0, 0x03BB, 0x03B7,
0x03C1, 0x03BF, 0x03C6, 0x03BF, 0x03C1, 0x03AF, 0x03B5, 0x03C3
};
ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
}
/* Case mapping can require subsequent normalization. */
{ /* LATIN SMALL LETTER J WITH CARON, COMBINING DOT BELOW */
static const uint16_t input[] = { 0x01F0, 0x0323 };
static const uint16_t casefolded[] = { 0x006A, 0x030C, 0x0323 };
static const uint16_t casefolded_decomposed[] = { 0x006A, 0x0323, 0x030C };
static const uint16_t casefolded_normalized[] = { 0x01F0, 0x0323 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casefolded, SIZEOF (casefolded)) == 0);
ASSERT (check (input, SIZEOF (input), NULL, UNINORM_NFD, casefolded_decomposed, SIZEOF (casefolded_decomposed)) == 0);
ASSERT (check (input, SIZEOF (input), NULL, UNINORM_NFC, casefolded_normalized, SIZEOF (casefolded_normalized)) == 0);
}
return 0;
}
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