reactos/modules/rostests/apitests/crt/_mbsstr.c

87 lines
2.9 KiB
C

/*
* PROJECT: ReactOS API tests
* LICENSE: LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
* PURPOSE: Tests for _mbsstr
* COPYRIGHT: Copyright 2024 Thomas Faber (thomas.faber@reactos.org)
*/
#include <apitest.h>
#include <mbstring.h>
#define WIN32_NO_STATUS
#include <pseh/pseh2.h>
#include <ndk/mmfuncs.h>
START_TEST(_mbsstr)
{
unsigned char *haystack;
unsigned char *ret;
/* NULL pointers are not handled */
StartSeh()
(void)_mbsstr(NULL, NULL);
EndSeh(STATUS_ACCESS_VIOLATION);
StartSeh()
haystack = (unsigned char *)"hello";
(void)_mbsstr(haystack, NULL);
EndSeh(STATUS_ACCESS_VIOLATION);
StartSeh()
haystack = (unsigned char *)"";
(void)_mbsstr(haystack, NULL);
EndSeh(STATUS_ACCESS_VIOLATION);
/* Empty needle returns haystack, empty haystack returns NULL... */
haystack = (unsigned char *)"hello";
ret = _mbsstr(haystack, (const unsigned char *)"");
ok(ret == haystack, "ret = %p, haystack = %p\n", ret, haystack);
haystack = (unsigned char *)"";
ret = _mbsstr(haystack, (const unsigned char *)"a");
ok(ret == NULL, "ret = %p, haystack = %p\n", ret, haystack);
/* ... but if both are empty, behavior differs */
haystack = (unsigned char *)"";
ret = _mbsstr(haystack, (const unsigned char *)"");
#ifdef TEST_CRTDLL
ok(ret == NULL, "ret = %p, haystack = %p\n", ret, haystack);
#else
ok(ret == haystack, "ret = %p, haystack = %p\n", ret, haystack);
#endif
/* Simple "found" cases */
haystack = (unsigned char *)"abcdefg";
ret = _mbsstr(haystack, (const unsigned char *)"abc");
ok(ret == haystack, "ret = %p, haystack = %p\n", ret, haystack);
haystack = (unsigned char *)"abcdefg";
ret = _mbsstr(haystack, (const unsigned char *)"g");
ok(ret == haystack + 6, "ret = %p, haystack = %p\n", ret, haystack);
haystack = (unsigned char *)"abcdefg";
ret = _mbsstr(haystack, (const unsigned char *)"abcdefg");
ok(ret == haystack, "ret = %p, haystack = %p\n", ret, haystack);
/* Simple "not found" cases */
haystack = (unsigned char *)"abcdefg";
ret = _mbsstr(haystack, (const unsigned char *)"h");
ok(ret == NULL, "ret = %p, haystack = %p\n", ret, haystack);
haystack = (unsigned char *)"abcdefg";
ret = _mbsstr(haystack, (const unsigned char *)"gh");
ok(ret == NULL, "ret = %p, haystack = %p\n", ret, haystack);
haystack = (unsigned char *)"abcdefg";
ret = _mbsstr(haystack, (const unsigned char *)"abcD");
ok(ret == NULL, "ret = %p, haystack = %p\n", ret, haystack);
/* Needle longer than haystack */
haystack = (unsigned char *)"abcdefg";
ret = _mbsstr(haystack, (const unsigned char *)"abcdefgh");
ok(ret == NULL, "ret = %p, haystack = %p\n", ret, haystack);
haystack = (unsigned char *)"abcdefg";
ret = _mbsstr(haystack, (const unsigned char *)"xxxxxxxx");
ok(ret == NULL, "ret = %p, haystack = %p\n", ret, haystack);
}