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/* Test of u16_mblen() function.
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 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>, 2010. */
#include <config.h>
#include "unistr.h"
#include "macros.h"
int
main ()
{
int ret;
/* Test zero-length input. */
{
static const uint16_t input[] = { 0 };
ret = u16_mblen (input, 0);
ASSERT (ret == -1);
}
/* Test NUL unit input. */
{
static const uint16_t input[] = { 0 };
ret = u16_mblen (input, 1);
ASSERT (ret == 0);
}
/* Test ISO 646 unit input. */
{
ucs4_t c;
uint16_t buf[1];
for (c = 1; c < 0x80; c++)
{
buf[0] = c;
ret = u16_mblen (buf, 1);
ASSERT (ret == 1);
}
}
/* Test BMP unit input. */
{
static const uint16_t input[] = { 0x20AC };
ret = u16_mblen (input, 1);
ASSERT (ret == 1);
}
/* Test 2-units character input. */
{
static const uint16_t input[] = { 0xD835, 0xDD1F };
ret = u16_mblen (input, 2);
ASSERT (ret == 2);
}
/* Test incomplete/invalid 1-unit input. */
{
static const uint16_t input[] = { 0xD835 };
ret = u16_mblen (input, 1);
ASSERT (ret == -1);
}
{
static const uint16_t input[] = { 0xDD1F };
ret = u16_mblen (input, 1);
ASSERT (ret == -1);
}
return 0;
}
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