glibc/localedata/tests-mbwc/tst_mbtowc.c

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/*
MBTOWC: int mbtowc (wchar_t *wc, char *s, size_t n)
*/
#define TST_FUNCTION mbtowc
#include "tsp_common.c"
#include "dat_mbtowc.c"
int
tst_mbtowc (FILE * fp, int debug_flg)
{
TST_DECL_VARS (int);
char w_flg, s_flg;
const char *s_in;
size_t n;
wchar_t wc, wc_ex, *wp;
TST_DO_TEST (mbtowc)
{
TST_HEAD_LOCALE (mbtowc, S_MBTOWC);
TST_DO_REC (mbtowc)
{
if (mbstowcs (NULL, "", 0) != 0)
{
err_count++;
Result (C_FAILURE, S_MBSTOWCS, CASE_3,
"Initialization failed - skipping this test case.");
continue;
}
TST_DO_SEQ (MBTOWC_SEQNUM)
{
TST_GET_ERRET_SEQ (mbtowc);
w_flg = TST_INPUT_SEQ (mbtowc).w_flg;
s_flg = TST_INPUT_SEQ (mbtowc).s_flg;
n = TST_INPUT_SEQ (mbtowc).n;
if (n == USE_MBCURMAX)
{
n = MB_CUR_MAX;
}
if (s_flg == 0)
s_in = NULL;
else
s_in = TST_INPUT_SEQ (mbtowc).s;
wp = (wchar_t *) ((w_flg == 0) ? NULL : &wc);
/* XXX Clear the internal state. We should probably have
a flag for this. */
mbtowc (NULL, NULL, 0);
TST_CLEAR_ERRNO;
ret = mbtowc (wp, s_in, n);
TST_SAVE_ERRNO;
if (debug_flg)
{
fprintf (stdout, "mbtowc() [ %s : %d ] ret = %d\n", locale,
rec + 1, ret);
fprintf (stdout, " errno = %d\n",
errno_save);
}
TST_IF_RETURN (S_MBTOWC)
{
if (s_in == NULL)
{ /* state dependency */
if (ret_exp == +1)
{ /* state-dependent */
if (ret != 0)
{
/* Non-zero: state-dependent encoding. */
Result (C_SUCCESS, S_MBTOWC, CASE_3, MS_PASSED);
}
else
{
err_count++;
Result (C_FAILURE, S_MBTOWC, CASE_3,
"should be state-dependent encoding, "
"but a return value shows it is "
"state-independent");
}
}
if (ret_exp == 0)
{ /* state-independent */
if (ret == 0)
{
/* Non-zero: state-dependent encoding. */
Result (C_SUCCESS, S_MBTOWC, CASE_3, MS_PASSED);
}
else
{
err_count++;
Result (C_FAILURE, S_MBTOWC, CASE_3,
"should be state-independent encoding, "
"but a return value shows it is "
"state-dependent");
}
}
}
}
if ((wp == NULL || s_in == NULL || s_in[0] == 0) || ret <= 0)
{
continue;
}
wc_ex = TST_EXPECT_SEQ (mbtowc).wc;
if (wc_ex == wc)
{
Result (C_SUCCESS, S_MBTOWC, CASE_4, MS_PASSED);
}
else
{
err_count++;
Result (C_FAILURE, S_MBTOWC, CASE_4,
"converted wc is different from an expected wc");
}
}
}
}
return err_count;
}