EnderIce2 2ae18af9a0
feat(userspace/apps/test/libc_test): add more tests
Signed-off-by: EnderIce2 <enderice2@protonmail.com>
2025-02-19 18:53:54 +02:00

605 lines
10 KiB
C

/*
This file is part of Fennix Userspace.
Fennix Userspace 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.
Fennix Userspace 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 Fennix Userspace. If not, see <https://www.gnu.org/licenses/>.
*/
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <locale.h>
#include <signal.h>
void __conv_glibc(char **ptr)
{
__UINTPTR_TYPE__ tmp = (__UINTPTR_TYPE__)*ptr;
#ifdef __linux__
tmp &= 0x7fffffffffff;
#endif
*ptr = (char *)tmp;
}
int test_memccpy(void)
{
char src[20] = "test\0string";
char dest[20];
memset(dest, 0x55, sizeof(dest));
void *result = memccpy(dest, src, '\0', sizeof(src));
if (memcmp(dest, "test\0", 5) != 0)
return 1;
if (memccpy(dest, src, 'x', 10) != NULL)
return 2;
if (memccpy(dest, src, 't', 0) != NULL)
return 3;
return 0;
}
int test_memchr(void)
{
const char *str = "abcdef\0ghijkl";
if (memchr(str, 'd', 10) != str + 3)
return 1;
if (memchr(str, '\0', 10) != str + 6)
return 2;
if (memchr(str, 'x', 10) != NULL)
return 3;
if (memchr(str, 'g', 7) != NULL)
return 4;
return 0;
}
int test_memcmp(void)
{
char a[] = {1, 2, 3, 4};
char b[] = {1, 2, 4, 4};
if (memcmp(a, a, 4) != 0)
return 1;
if (memcmp(a, b, 4) >= 0)
return 2;
if (memcmp(a, b, 0) != 0)
return 3;
return 0;
}
int test_memcpy(void)
{
char src[20] = "test string";
char dest[20];
if (memcpy(dest, src, strlen(src) + 1) != dest)
return 1;
if (strcmp(dest, src) != 0)
return 2;
if (memcpy(dest, src, 0) != dest)
return 3;
return 0;
}
int test_memmem(void)
{
const char *haystack = "abc123def123ghi";
size_t haylen = strlen(haystack);
const char *needle = "123";
size_t ndlen = strlen(needle);
if (memmem(haystack, haylen, needle, ndlen) != haystack + 3)
return 1;
const void *second = memmem(haystack + 4, haylen - 4, needle, ndlen);
if (second != haystack + 9)
return 2;
if (memmem(haystack, haylen, "xyz", 3) != NULL)
return 3;
if (memmem(haystack, haylen, "", 0) != haystack)
return 4;
return 0;
}
int test_memmove(void)
{
char buf[20] = "abcdefghij";
if (memmove(buf + 2, buf, 5) != buf + 2)
return 1;
if (memcmp(buf, "ababcdehij", 10) != 0)
return 2;
memcpy(buf, "abcdefghij", 10);
if (memmove(buf, buf + 3, 4) != buf)
return 3;
if (memcmp(buf, "defgefghij", 10) != 0)
return 4;
return 0;
}
int test_memset(void)
{
char buf[10];
const char pattern = 0xAA;
if (memset(buf, pattern, sizeof(buf)) != buf)
return 1;
for (size_t i = 0; i < sizeof(buf); i++)
if (buf[i] != pattern)
return 2;
if (memset(buf, 0, 5) != buf)
return 3;
for (int i = 0; i < 5; i++)
if (buf[i] != 0)
return 4;
return 0;
}
int test_stpcpy(void)
{
char dest[20];
const char *src = "test string";
char *end = stpcpy(dest, src);
__conv_glibc(&end);
char *end2 = dest + strlen(src);
if (end != end2)
return 1;
if (strcmp(dest, src) != 0)
return 2;
*dest = 0x55;
end = stpcpy(dest, "");
__conv_glibc(&end);
if (end != dest)
return 3;
if (*dest != '\0')
return 4;
return 0;
}
int test_stpncpy(void)
{
char dest[20];
const char *src = "test";
memset(dest, 0x55, sizeof(dest));
char *end = stpncpy(dest, src, 4);
__conv_glibc(&end);
if (end != dest + 4)
return 1;
if (memcmp(dest, "test\x55", 5) != 0)
return 2;
end = stpncpy(dest, src, 6);
__conv_glibc(&end);
if (end != dest + 4)
return 3;
if (memcmp(dest, "test\0\0", 6) != 0)
return 4;
return 0;
}
int test_strcat(void)
{
char dest[20] = "Hello";
const char *src = " World";
if (strcat(dest, src) != dest)
return 1;
if (strcmp(dest, "Hello World") != 0)
return 2;
dest[0] = '\0';
if (strcat(dest, "test") != dest)
return 3;
if (strcmp(dest, "test") != 0)
return 4;
return 0;
}
int test_strchr(void)
{
const char *str = "abcdef\0ghijkl";
if (strchr(str, 'c') != str + 2)
return 1;
if (strchr(str, '\0') != str + 6)
return 2;
if (strchr(str, 'x') != NULL)
return 3;
return 0;
}
int test_strcmp(void)
{
if (strcmp("test", "test") != 0)
return 1;
if (strcmp("apple", "banana") >= 0)
return 2;
if (strcmp("banana", "apple") <= 0)
return 3;
if (strcmp("test", "testing") >= 0)
return 4;
return 0;
}
int test_strcoll(void)
{
if (strcoll("a", "b") != strcmp("a", "b"))
return 1;
if (strcoll("a", "a") != 0)
return 2;
return 0;
}
int test_strcoll_l(void)
{
// locale_t loc = newlocale(LC_ALL_MASK, "C", NULL);
// if (loc == NULL)
// return 1;
// int result = strcoll_l("a", "b", loc);
// freelocale(loc);
// return (result == strcmp("a", "b")) ? 0 : 2;
return 0;
}
int test_strcpy(void)
{
char dest[20];
const char *src = "test string";
if (strcpy(dest, src) != dest)
return 1;
if (strcmp(dest, src) != 0)
return 2;
// Empty string
if (strcpy(dest, "") != dest)
return 3;
if (dest[0] != '\0')
return 4;
return 0;
}
int test_strcspn(void)
{
// No matches
if (strcspn("abcdef", "xyz") != 6)
return 1;
// First character match
if (strcspn("abcdef", "a") != 0)
return 2;
// Middle match
if (strcspn("abcdef", "d") != 3)
return 3;
return 0;
}
int test_strdup(void)
{
const char *src = "test string";
char *copy = strdup(src);
if (copy == NULL)
return 1;
if (strcmp(copy, src) != 0)
return 2;
if (copy == src)
return 3;
free(copy);
return 0;
}
// int test_strerror(void)
// {
// const char *e1 = strerror(EINVAL);
// if (e1 == NULL || e1[0] == '\0')
// return 1;
// const char *e2 = strerror(9999);
// if (e2 == NULL || e2[0] == '\0')
// return 2;
// return 0;
// }
int test_strerror_l(void)
{
// locale_t loc = newlocale(LC_ALL_MASK, "C", NULL);
// if (loc == NULL)
// return 1;
// const char *e1 = strerror_l(EINVAL, loc);
// freelocale(loc);
// if (e1 == NULL || e1[0] == '\0')
// return 2;
return 0;
}
int test_strerror_r(void)
{
// char buf[256];
// if (strerror_r(EINVAL, buf, sizeof(buf)) != 0)
// return 1;
// if (strlen(buf) == 0)
// return 2;
// if (strerror_r(EINVAL, buf, 5) != ERANGE)
// return 3;
return 0;
}
int test_strlcat(void)
{
// char dest[10] = "Hello";
// if (strlcat(dest, "World", sizeof(dest)) != 10)
// return 1;
// if (strcmp(dest, "HelloWor") != 0)
// return 2;
// dest[0] = '\0';
// if (strlcat(dest, "test", sizeof(dest)) != 4)
// return 3;
return 0;
}
int test_strlcpy(void)
{
// char dest[5];
// if (strlcpy(dest, "Hello World", sizeof(dest)) != 11)
// return 1;
// if (strcmp(dest, "Hell") != 0)
// return 2;
// if (strlcpy(dest, "test", sizeof(dest)) != 4)
// return 3;
// if (strcmp(dest, "test") != 0)
// return 4;
return 0;
}
int test_strlen(void)
{
if (strlen("") != 0)
return 1;
if (strlen("test") != 4)
return 2;
if (strlen("test\0string") != 4)
return 3;
return 0;
}
int test_strncat(void)
{
char dest[10] = "Hello";
if (strncat(dest, " World", 3) != dest)
return 1;
if (strcmp(dest, "Hello Wo") != 0)
return 2;
if (strncat(dest, "test", 0) != dest)
return 3;
return 0;
}
int test_strncmp(void)
{
if (strncmp("apple", "applesauce", 5) != 0)
return 1;
if (strncmp("apple", "apricot", 3) >= 0)
return 2;
if (strncmp("apple", "banana", 0) != 0)
return 3;
return 0;
}
int test_strncpy(void)
{
char dest[10];
if (strncpy(dest, "test", 5) != dest)
return 1;
if (memcmp(dest, "test\0", 5) != 0)
return 2;
memset(dest, 0x55, sizeof(dest));
if (strncpy(dest, "hi", 2) != dest)
return 3;
if (memcmp(dest, "hi\x55\x55\x55\x55\x55\x55\x55\x55", 10) != 0)
return 4;
return 0;
}
int test_strndup(void)
{
const char *src = "test string";
char *copy = strndup(src, 4);
if (copy == NULL)
return 1;
if (strcmp(copy, "test") != 0)
return 2;
free(copy);
return 0;
}
int test_strnlen(void)
{
if (strnlen("test", 5) != 4)
return 1;
if (strnlen("test", 2) != 2)
return 2;
if (strnlen("", 10) != 0)
return 3;
return 0;
}
int test_strpbrk(void)
{
const char *str = "abcdefghi";
if (strpbrk(str, "xyz") != NULL)
return 1;
if (strpbrk(str, "def") != str + 3)
return 2;
if (strpbrk(str, "fed") != str + 3)
return 3;
return 0;
}
int test_strrchr(void)
{
const char *str = "abcdabcd";
if (strrchr(str, 'b') != str + 5)
return 1;
if (strrchr(str, '\0') != str + strlen(str))
return 2;
if (strrchr(str, 'x') != NULL)
return 3;
return 0;
}
int test_strsignal(void)
{
const char *sig = strsignal(SIGSEGV);
if (sig == NULL || sig[0] == '\0')
return 1;
sig = strsignal(999);
if (sig == NULL || sig[0] == '\0')
return 2;
return 0;
}
int test_strspn(void)
{
int result = strspn("abcdef", "abc");
if (result != 3)
return 1;
result = strspn("aabbcc", "ab");
if (result != 4)
return 2;
result = strspn("xyz", "abc");
if (result != 0)
return 3;
return 0;
}
int test_strstr(void)
{
const char *haystack = "The quick brown fox jumps over the lazy dog";
if (strstr(haystack, "brown") != haystack + 10)
return 1;
if (strstr(haystack, "BROWN") != NULL)
return 2;
if (strstr(haystack, "") != haystack)
return 3;
return 0;
}
int test_strtok(void)
{
char str[] = "a,b,c,d";
char *token;
if (strtok(str, ",") == NULL)
return 1;
if (strcmp(str, "a") != 0)
return 2;
int count = 0;
while ((token = strtok(NULL, ",")) != NULL)
count++;
if (count != 3)
return 3;
return 0;
}
int test_strtok_r(void)
{
char str[] = "1;2;3";
char *saveptr;
char *token;
token = strtok_r(str, ";", &saveptr);
__conv_glibc(&token);
if (strcmp(token, "1") != 0)
return 1;
int count = 0;
while ((token = strtok_r(NULL, ";", &saveptr)) != NULL)
count++;
if (count != 2)
return 2;
return 0;
}
int test_strxfrm(void)
{
char dest[20];
size_t len = strxfrm(dest, "apple", sizeof(dest));
if (len >= sizeof(dest))
return 1;
if (strcmp(dest, "apple") != 0)
return 2;
return 0;
}
int test_strxfrm_l(void)
{
// locale_t loc = newlocale(LC_ALL_MASK, "C", NULL);
// if (loc == NULL)
// return 1;
// char dest[20];
// size_t len = strxfrm_l(dest, "apple", sizeof(dest), loc);
// freelocale(loc);
// if (len >= sizeof(dest))
// return 2;
// if (strcmp(dest, "apple") != 0)
// return 3;
return 0;
}