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/* Test of case and normalization insensitive comparison of 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 "uninorm.h"
#include "macros.h"
#define UNIT uint16_t
#include "test-casecmp.h"
#undef UNIT
static void
test_nonascii (int (*my_casecmp) (const uint16_t *, size_t, const uint16_t *, size_t, const char *, uninorm_t, int *))
{
/* Normalization effects. */
{
static const uint16_t input1[] = { 'H', 0x00F6, 'h', 'l', 'e' };
static const uint16_t input2[] = { 'H', 'O', 0x0308, 'h', 'L', 'e' };
static const uint16_t input3[] = { 'H', 0x00F6, 'h', 'l', 'e', 'n' };
static const uint16_t input4[] = { 'H', 'O', 0x0308, 'h', 'L', 'e', 'n' };
static const uint16_t input5[] = { 'H', 'u', 'r', 'z' };
int cmp;
ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input2, SIZEOF (input2), input1, SIZEOF (input1), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input3, SIZEOF (input3), input4, SIZEOF (input4), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input4, SIZEOF (input4), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input2, SIZEOF (input2), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == -1);
ASSERT (my_casecmp (input1, SIZEOF (input1), input4, SIZEOF (input4), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == -1);
ASSERT (my_casecmp (input1, SIZEOF (input1), input5, SIZEOF (input5), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == -1);
ASSERT (my_casecmp (input2, SIZEOF (input2), input5, SIZEOF (input5), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == -1);
}
{ /* LATIN CAPITAL LETTER A WITH DIAERESIS */
static const uint16_t input1[] = { 0x00C4 };
static const uint16_t input2[] = { 0x0041, 0x0308 };
int cmp;
ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 0);
}
{ /* LATIN CAPITAL LETTER A WITH DIAERESIS AND MACRON */
static const uint16_t input1[] = { 0x01DE };
static const uint16_t input2[] = { 0x0041, 0x0308, 0x0304 };
int cmp;
ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 0);
}
{ /* GREEK DIALYTIKA AND PERISPOMENI */
static const uint16_t input1[] = { 0x1FC1 };
static const uint16_t input2[] = { 0x00A8, 0x0342 };
int cmp;
ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 0);
}
{ /* HANGUL SYLLABLE GEUL */
static const uint16_t input1[] = { 0xAE00 };
static const uint16_t input2[] = { 0xADF8, 0x11AF };
static const uint16_t input3[] = { 0x1100, 0x1173, 0x11AF };
int cmp;
ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 0);
}
{ /* HANGUL SYLLABLE GEU */
static const uint16_t input1[] = { 0xADF8 };
static const uint16_t input2[] = { 0x1100, 0x1173 };
int cmp;
ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 0);
}
/* Simple string. */
{ /* "Grüß Gott. Здравствуйте! x=(-b±sqrt(b²-4ac))/(2a) 日本語,中文,한글" */
static const uint16_t input1[] =
{ '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 input2[] =
{ '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'
};
static const uint16_t input3[] =
{ 'G', 'R', 0x00DC, 0x0053, 0x0053, ' ', 'G', 'O', 'T', 'T', '.', ' ',
0x0417, 0x0414, 0x0420, 0x0410, 0x0412, 0x0421, 0x0422, 0x0412, 0x0423,
0x0419, 0x0422, 0x0415, '!', ' ',
'X', '=', '(', '-', 'B', 0x00B1, 'S', 'Q', 'R', 'T', '(', 'B', 0x00B2,
'-', '4', 'A', 'C', ')', ')', '/', '(', '2', 'A', ')', ' ', ' ',
0x65E5, 0x672C, 0x8A9E, ',', 0x4E2D, 0x6587, ',', 0xD55C, 0xAE00, '\n'
};
int cmp;
ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input2, SIZEOF (input2), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input2, SIZEOF (input2), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 0);
}
/* Case mapping can increase the number of Unicode characters. */
{ /* LATIN SMALL LETTER N PRECEDED BY APOSTROPHE */
static const uint16_t input1[] = { 0x0149 };
static const uint16_t input2[] = { 0x02BC, 0x006E };
static const uint16_t input3[] = { 0x02BC, 0x004E };
int cmp;
ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 0);
}
{ /* GREEK SMALL LETTER IOTA WITH DIALYTIKA AND TONOS */
static const uint16_t input1[] = { 0x0390 };
static const uint16_t input2[] = { 0x03B9, 0x0308, 0x0301 };
int cmp;
ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 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 };
int cmp;
ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input, SIZEOF (input), casefolded_tr, SIZEOF (casefolded_tr), "tr", NULL, &cmp) == 0);
ASSERT (cmp == 0);
}
{ /* LATIN SMALL LETTER I */
static const uint16_t input[] = { 0x0069 };
static const uint16_t casefolded[] = { 0x0049 };
static const uint16_t casefolded_tr[] = { 0x0130 };
int cmp;
ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input, SIZEOF (input), casefolded_tr, SIZEOF (casefolded_tr), "tr", NULL, &cmp) == 0);
ASSERT (cmp == 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 };
int cmp;
ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input, SIZEOF (input), casefolded_tr, SIZEOF (casefolded_tr), "tr", NULL, &cmp) == 0);
ASSERT (cmp == 0);
}
{ /* LATIN SMALL LETTER DOTLESS I */
static const uint16_t input[] = { 0x0131 };
static const uint16_t casefolded[] = { 0x0049 };
int cmp;
ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
ASSERT (cmp == 1);
ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), "tr", NULL, &cmp) == 0);
ASSERT (cmp == 0);
}
{ /* "topkapı" */
static const uint16_t input[] =
{ 0x0054, 0x004F, 0x0050, 0x004B, 0x0041, 0x0050, 0x0049 };
static const uint16_t casefolded[] =
{ 0x0074, 0x006F, 0x0070, 0x006B, 0x0061, 0x0070, 0x0131 };
int cmp;
ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
ASSERT (cmp == -1);
ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), "tr", NULL, &cmp) == 0);
ASSERT (cmp == 0);
}
/* Uppercasing can increase the number of Unicode characters. */
{ /* "heiß" */
static const uint16_t input1[] = { 0x0068, 0x0065, 0x0069, 0x00DF };
static const uint16_t input2[] = { 0x0068, 0x0065, 0x0069, 0x0073, 0x0073 };
int cmp;
ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0);
ASSERT (cmp == 0);
}
/* Case mappings for some characters can depend on the surrounding characters. */
{ /* "περισσότερες πληροφορίες" */
static const uint16_t input1[] =
{
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 input2[] =
{
0x03C0, 0x03B5, 0x03C1, 0x03B9, 0x03C3, 0x03C3, 0x03CC, 0x03C4,
0x03B5, 0x03C1, 0x03B5, 0x03C3, 0x0020, 0x03C0, 0x03BB, 0x03B7,
0x03C1, 0x03BF, 0x03C6, 0x03BF, 0x03C1, 0x03AF, 0x03B5, 0x03C3
};
static const uint16_t input3[] =
{
0x03A0, 0x0395, 0x03A1, 0x0399, 0x03A3, 0x03A3, 0x038C, 0x03A4,
0x0395, 0x03A1, 0x0395, 0x03A3, 0x0020, 0x03A0, 0x039B, 0x0397,
0x03A1, 0x039F, 0x03A6, 0x039F, 0x03A1, 0x038A, 0x0395, 0x03A3
};
int cmp;
ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, NULL, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input1, SIZEOF (input1), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input2, SIZEOF (input2), input3, SIZEOF (input3), NULL, NULL, &cmp) == 0);
ASSERT (cmp == 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 };
int cmp;
ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, NULL, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input, SIZEOF (input), casefolded_decomposed, SIZEOF (casefolded_decomposed), NULL, NULL, &cmp) == 0);
ASSERT (cmp != 0);
ASSERT (my_casecmp (input, SIZEOF (input), casefolded, SIZEOF (casefolded), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 0);
ASSERT (my_casecmp (input, SIZEOF (input), casefolded_decomposed, SIZEOF (casefolded_decomposed), NULL, UNINORM_NFD, &cmp) == 0);
ASSERT (cmp == 0);
}
}
int
main ()
{
test_ascii (u16_casecmp, UNINORM_NFD);
test_nonascii (u16_casecmp);
return 0;
}
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