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/* Test of case and normalization insensitive comparison of Unicode 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. */
static void
test_ascii (int (*my_casecmp) (const UNIT *, size_t, const UNIT *, size_t, const char *, uninorm_t, int *),
uninorm_t nf)
{
/* Empty string. */
{
int cmp;
ASSERT (my_casecmp (NULL, 0, NULL, 0, NULL, nf, &cmp) == 0);
ASSERT (cmp == 0);
}
{
static const UNIT input[] = { 'x', 'y' };
int cmp;
ASSERT (my_casecmp (input, SIZEOF (input), NULL, 0, NULL, nf, &cmp) == 0);
ASSERT (cmp == 1);
ASSERT (my_casecmp (NULL, 0, input, SIZEOF (input), NULL, nf, &cmp) == 0);
ASSERT (cmp == -1);
ASSERT (my_casecmp (input, SIZEOF (input), input, SIZEOF (input), NULL, nf, &cmp) == 0);
ASSERT (cmp == 0);
}
/* Normal lexicographic order. */
{
static const UNIT input1[] = { 'A', 'm', 'e', 'r', 'i', 'c', 'a' };
static const UNIT input2[] = { 'A', 'm', 'i', 'g', 'o' };
int cmp;
ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, nf, &cmp) == 0);
ASSERT (cmp == -1);
ASSERT (my_casecmp (input2, SIZEOF (input2), input1, SIZEOF (input1), NULL, nf, &cmp) == 0);
ASSERT (cmp == 1);
}
/* Shorter and longer strings. */
{
static const UNIT input1[] = { 'R', 'e', 'a', 'g', 'a', 'n' };
static const UNIT input2[] = { 'R', 'e', 'a', 'g', 'a', 'n', 'o', 'm', 'i', 'c', 's' };
int cmp;
ASSERT (my_casecmp (input1, SIZEOF (input1), input2, SIZEOF (input2), NULL, nf, &cmp) == 0);
ASSERT (cmp == -1);
ASSERT (my_casecmp (input2, SIZEOF (input2), input1, SIZEOF (input1), NULL, nf, &cmp) == 0);
ASSERT (cmp == 1);
}
}
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