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/* Test of lowercase mapping for UTF-8 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 uint8_t *input, size_t input_length,
const char *iso639_language, uninorm_t nf,
const uint8_t *expected, size_t expected_length)
{
size_t length;
uint8_t *result;
/* Test return conventions with resultbuf == NULL. */
result = u8_tolower (input, input_length, iso639_language, nf, NULL, &length);
if (!(result != NULL))
return 1;
if (!(length == expected_length))
return 2;
if (!(u8_cmp (result, expected, expected_length) == 0))
return 3;
free (result);
/* Test return conventions with resultbuf too small. */
if (expected_length > 0)
{
uint8_t *preallocated;
length = expected_length - 1;
preallocated = (uint8_t *) malloc (length * sizeof (uint8_t));
result = u8_tolower (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 (!(u8_cmp (result, expected, expected_length) == 0))
return 7;
free (result);
free (preallocated);
}
/* Test return conventions with resultbuf large enough. */
{
uint8_t *preallocated;
length = expected_length;
preallocated = (uint8_t *) malloc (length * sizeof (uint8_t));
result = u8_tolower (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 (!(u8_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 uint8_t input[] =
{ 'G', 'r', 0xC3, 0xBC, 0xC3, 0x9F, ' ', 'G', 'o', 't', 't', '.', ' ',
0xD0, 0x97, 0xD0, 0xB4, 0xD1, 0x80, 0xD0, 0xB0, 0xD0, 0xB2, 0xD1, 0x81,
0xD1, 0x82, 0xD0, 0xB2, 0xD1, 0x83, 0xD0, 0xB9, 0xD1, 0x82, 0xD0, 0xB5,
'!', ' ', 'x', '=', '(', '-', 'b', 0xC2, 0xB1, 's', 'q', 'r', 't', '(',
'b', 0xC2, 0xB2, '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')',
' ', ' ', 0xE6, 0x97, 0xA5, 0xE6, 0x9C, 0xAC, 0xE8, 0xAA, 0x9E, ',',
0xE4, 0xB8, 0xAD, 0xE6, 0x96, 0x87, ',',
0xED, 0x95, 0x9C, 0xEA, 0xB8, 0x80, '\n'
};
static const uint8_t casemapped[] =
{ 'g', 'r', 0xC3, 0xBC, 0xC3, 0x9F, ' ', 'g', 'o', 't', 't', '.', ' ',
0xD0, 0xB7, 0xD0, 0xB4, 0xD1, 0x80, 0xD0, 0xB0, 0xD0, 0xB2, 0xD1, 0x81,
0xD1, 0x82, 0xD0, 0xB2, 0xD1, 0x83, 0xD0, 0xB9, 0xD1, 0x82, 0xD0, 0xB5,
'!', ' ', 'x', '=', '(', '-', 'b', 0xC2, 0xB1, 's', 'q', 'r', 't', '(',
'b', 0xC2, 0xB2, '-', '4', 'a', 'c', ')', ')', '/', '(', '2', 'a', ')',
' ', ' ', 0xE6, 0x97, 0xA5, 0xE6, 0x9C, 0xAC, 0xE8, 0xAA, 0x9E, ',',
0xE4, 0xB8, 0xAD, 0xE6, 0x96, 0x87, ',',
0xED, 0x95, 0x9C, 0xEA, 0xB8, 0x80, '\n'
};
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
}
/* Turkish letters i İ ı I */
{ /* LATIN CAPITAL LETTER I */
static const uint8_t input[] = { 0x49 };
static const uint8_t casemapped[] = { 0x69 };
static const uint8_t casemapped_tr[] = { 0xC4, 0xB1 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
ASSERT (check (input, SIZEOF (input), "tr", NULL, casemapped_tr, SIZEOF (casemapped_tr)) == 0);
}
{ /* LATIN SMALL LETTER I */
static const uint8_t input[] = { 0x69 };
static const uint8_t casemapped[] = { 0x69 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
ASSERT (check (input, SIZEOF (input), "tr", NULL, casemapped, SIZEOF (casemapped)) == 0);
}
{ /* LATIN CAPITAL LETTER I WITH DOT ABOVE */
static const uint8_t input[] = { 0xC4, 0xB0 };
static const uint8_t casemapped[] = { 0x69, 0xCC, 0x87 };
static const uint8_t casemapped_tr[] = { 0x69 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
ASSERT (check (input, SIZEOF (input), "tr", NULL, casemapped_tr, SIZEOF (casemapped_tr)) == 0);
}
{ /* LATIN SMALL LETTER DOTLESS I */
static const uint8_t input[] = { 0xC4, 0xB1};
static const uint8_t casemapped[] = { 0xC4, 0xB1 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
ASSERT (check (input, SIZEOF (input), "tr", NULL, casemapped, SIZEOF (casemapped)) == 0);
}
{ /* "TOPKAPI" */
static const uint8_t input[] =
{ 0x54, 0x4F, 0x50, 0x4B, 0x41, 0x50, 0x49 };
static const uint8_t casemapped[] =
{ 0x74, 0x6F, 0x70, 0x6B, 0x61, 0x70, 0xC4, 0xB1 };
ASSERT (check (input, SIZEOF (input), "tr", NULL, casemapped, SIZEOF (casemapped)) == 0);
}
/* Uppercasing can increase the number of Unicode characters. */
{ /* "HEIß" */
static const uint8_t input[] = { 0x48, 0x45, 0x49, 0xC3, 0x9F };
static const uint8_t casemapped[] = { 0x68, 0x65, 0x69, 0xC3, 0x9F };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
}
/* Case mappings for some characters can depend on the surrounding characters. */
{ /* "ΠΕΡΙΣΣΌΤΕΡΕΣ ΠΛΗΡΟΦΟΡΊΕΣ" */
static const uint8_t input[] =
{
0xCE, 0xA0, 0xCE, 0x95, 0xCE, 0xA1, 0xCE, 0x99, 0xCE, 0xA3, 0xCE, 0xA3,
0xCE, 0x8C, 0xCE, 0xA4, 0xCE, 0x95, 0xCE, 0xA1, 0xCE, 0x95, 0xCE, 0xA3,
' ', 0xCE, 0xA0, 0xCE, 0x9B, 0xCE, 0x97, 0xCE, 0xA1, 0xCE, 0x9F,
0xCE, 0xA6, 0xCE, 0x9F, 0xCE, 0xA1, 0xCE, 0x8A, 0xCE, 0x95, 0xCE, 0xA3
};
static const uint8_t casemapped[] =
{
0xCF, 0x80, 0xCE, 0xB5, 0xCF, 0x81, 0xCE, 0xB9, 0xCF, 0x83, 0xCF, 0x83,
0xCF, 0x8C, 0xCF, 0x84, 0xCE, 0xB5, 0xCF, 0x81, 0xCE, 0xB5, 0xCF, 0x82,
' ', 0xCF, 0x80, 0xCE, 0xBB, 0xCE, 0xB7, 0xCF, 0x81, 0xCE, 0xBF,
0xCF, 0x86, 0xCE, 0xBF, 0xCF, 0x81, 0xCE, 0xAF, 0xCE, 0xB5, 0xCF, 0x82
};
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
}
{ /* "Σ" -> "σ" */
static const uint8_t input[] = { 0xCE, 0xA3 };
static const uint8_t casemapped[] = { 0xCF, 0x83 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
}
{ /* "ΑΣ" -> "ας" */
static const uint8_t input[] = { 0xCE, 0x91, 0xCE, 0xA3 };
static const uint8_t casemapped[] = { 0xCE, 0xB1, 0xCF, 0x82 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
}
/* It's a final sigma only if not followed by a case-ignorable sequence and
then a cased letter. Note that U+0345 and U+037A are simultaneously
case-ignorable and cased (which is a bit paradoxical). */
{ /* "ΑΣΑ" -> "ασα" */
static const uint8_t input[] = { 0xCE, 0x91, 0xCE, 0xA3, 0xCE, 0x91 };
static const uint8_t casemapped[] = { 0xCE, 0xB1, 0xCF, 0x83, 0xCE, 0xB1 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
}
{ /* "ΑΣ:" -> "ας:" */
static const uint8_t input[] = { 0xCE, 0x91, 0xCE, 0xA3, 0x3A };
static const uint8_t casemapped[] = { 0xCE, 0xB1, 0xCF, 0x82, 0x3A };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
}
{ /* "ΑΣ:Α" -> "ασ:α" */
static const uint8_t input[] = { 0xCE, 0x91, 0xCE, 0xA3, 0x3A, 0xCE, 0x91 };
static const uint8_t casemapped[] = { 0xCE, 0xB1, 0xCF, 0x83, 0x3A, 0xCE, 0xB1 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
}
{ /* "ΑΣ:ͺ" -> "ασ:ͺ" */
static const uint8_t input[] = { 0xCE, 0x91, 0xCE, 0xA3, 0x3A, 0xCD, 0xBA };
static const uint8_t casemapped[] = { 0xCE, 0xB1, 0xCF, 0x83, 0x3A, 0xCD, 0xBA };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
}
{ /* "ΑΣ:ͺ " -> "ασ:ͺ " */
static const uint8_t input[] = { 0xCE, 0x91, 0xCE, 0xA3, 0x3A, 0xCD, 0xBA, 0x20 };
static const uint8_t casemapped[] = { 0xCE, 0xB1, 0xCF, 0x83, 0x3A, 0xCD, 0xBA, 0x20 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
}
/* It's a final sigma only if preceded by a case-ignorable sequence and
a cased letter before it. Note that U+0345 and U+037A are simultaneously
case-ignorable and cased (which is a bit paradoxical). */
{ /* ":Σ" -> ":σ" */
static const uint8_t input[] = { 0x3A, 0xCE, 0xA3 };
static const uint8_t casemapped[] = { 0x3A, 0xCF, 0x83 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
}
{ /* "Α:Σ" -> "α:ς" */
static const uint8_t input[] = { 0xCE, 0x91, 0x3A, 0xCE, 0xA3 };
static const uint8_t casemapped[] = { 0xCE, 0xB1, 0x3A, 0xCF, 0x82 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
}
{ /* "ͺ:Σ" -> "ͺ:ς" */
static const uint8_t input[] = { 0xCD, 0xBA, 0x3A, 0xCE, 0xA3 };
static const uint8_t casemapped[] = { 0xCD, 0xBA, 0x3A, 0xCF, 0x82 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
}
{ /* " ͺ:Σ" -> " ͺ:ς" */
static const uint8_t input[] = { 0x20, 0xCD, 0xBA, 0x3A, 0xCE, 0xA3 };
static const uint8_t casemapped[] = { 0x20, 0xCD, 0xBA, 0x3A, 0xCF, 0x82 };
ASSERT (check (input, SIZEOF (input), NULL, NULL, casemapped, SIZEOF (casemapped)) == 0);
}
return 0;
}
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