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/* Test of uN_strtok() functions.
Copyright (C) 2015-2024 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/>. */
static void
test_u_strtok (void)
{
{
UNIT input[] = { 'f', 'o', 'o', 0 };
const UNIT delim[] = { 0 };
UNIT *state;
const UNIT *result = U_STRTOK (input, delim, &state);
ASSERT (result == input);
}
{
UNIT input[] =
{ 'A', 'B', 'C', ' ', 'A', 'B', 'C', 'D', 'A', 'B', ' ', '\t',
'A', 'B', 'C', 'D', 'A', 'B', 'C', 'D', 'A', 'B', 'D', 'E', 0
};
const UNIT delim[] = { ' ', '\t', 0 };
UNIT *state;
const UNIT *result;
result = U_STRTOK (input, delim, &state);
ASSERT (result == input);
result = U_STRTOK (NULL, delim, &state);
ASSERT (result == input + 4);
result = U_STRTOK (NULL, delim, &state);
ASSERT (result == input + 12);
result = U_STRTOK (NULL, delim, &state);
ASSERT (result == NULL);
}
/* Check for multibyte delimiters. */
{
ucs4_t u_input[] =
{ 'A', 'B', 'C', 0x3000, 'A', 'B', 'C', 'D', 'A', 'B', 0x3000, 0x3001,
'A', 'B', 'C', 'D', 'A', 'B', 'C', 'D', 'A', 'B', 'D', 'E', 0
};
ucs4_t u_delim[] = { 0x3000, 0x3001, 0 };
/* Convert ucs4_t[] to UNIT[].
Every ucs4_t yields at most 4 / sizeof (UNIT) units. */
size_t input_len = SIZEOF (u_input) * (4 / sizeof (UNIT));
UNIT *input = (UNIT *) malloc (input_len * sizeof (UNIT));
size_t delim_len = SIZEOF (u_delim) * (4 / sizeof (UNIT));
UNIT *delim = (UNIT *) malloc (delim_len * sizeof (UNIT));
UNIT *state;
const UNIT *result;
UNIT *ptr, *first_ptr, *second_ptr;
size_t i;
for (i = 0, ptr = input; i < SIZEOF (u_input) && u_input[i] != 0; i++)
{
int ret = U_UCTOMB (ptr, u_input[i], input_len - (ptr - input));
if (i == 4)
first_ptr = ptr;
if (i == 12)
second_ptr = ptr;
ptr += ret;
}
*ptr = 0;
for (i = 0, ptr = delim; i < SIZEOF (u_delim) && u_delim[i] != 0; i++)
{
int ret = U_UCTOMB (ptr, u_delim[i], delim_len - (ptr - delim));
ptr += ret;
}
*ptr = 0;
result = U_STRTOK (input, delim, &state);
ASSERT (result == input);
result = U_STRTOK (NULL, delim, &state);
ASSERT (result == first_ptr);
result = U_STRTOK (NULL, delim, &state);
ASSERT (result == second_ptr);
result = U_STRTOK (NULL, delim, &state);
ASSERT (result == NULL);
free (input);
free (delim);
}
}
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