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/* Test of u32_uctomb() 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"
#define MAGIC 0xBADFACE
int
main ()
{
/* Test ISO 646 character, in particular the NUL character. */
{
ucs4_t uc;
for (uc = 0; uc < 0x80; uc++)
{
uint32_t buf[2] = { MAGIC, MAGIC };
int ret;
ret = u32_uctomb (buf, uc, 0);
ASSERT (ret == -2);
ASSERT (buf[0] == MAGIC);
ret = u32_uctomb (buf, uc, 1);
ASSERT (ret == 1);
ASSERT (buf[0] == uc);
ASSERT (buf[1] == MAGIC);
}
}
/* Test BMP character. */
{
ucs4_t uc = 0x20AC;
uint32_t buf[2] = { MAGIC, MAGIC };
int ret;
ret = u32_uctomb (buf, uc, 0);
ASSERT (ret == -2);
ASSERT (buf[0] == MAGIC);
ret = u32_uctomb (buf, uc, 1);
ASSERT (ret == 1);
ASSERT (buf[0] == uc);
ASSERT (buf[1] == MAGIC);
}
/* Test non-BMP character. */
{
ucs4_t uc = 0x10FFFD;
uint32_t buf[2] = { MAGIC, MAGIC };
int ret;
ret = u32_uctomb (buf, uc, 0);
ASSERT (ret == -2);
ASSERT (buf[0] == MAGIC);
ret = u32_uctomb (buf, uc, 1);
ASSERT (ret == 1);
ASSERT (buf[0] == uc);
ASSERT (buf[1] == MAGIC);
}
/* Test invalid characters. */
{
ucs4_t invalid[] = { 0x110000, 0xD800, 0xDBFF, 0xDC00, 0xDFFF };
uint32_t buf[2] = { MAGIC, MAGIC };
size_t i;
for (i = 0; i < SIZEOF (invalid); i++)
{
ucs4_t uc = invalid[i];
int n;
for (n = 0; n <= 2; n++)
{
int ret = u32_uctomb (buf, uc, n);
ASSERT (ret == -1);
ASSERT (buf[0] == MAGIC);
ASSERT (buf[1] == MAGIC);
}
}
}
return 0;
}
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