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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
extern inline char *librecrypt_next_algorithm(char **hash);
#else
# ifndef FUZZ
static void
testcase_1(void)
{
char hash[] = ">a$b>c$d>e$f$";
char *s = hash, *a;
EXPECT((a = librecrypt_next_algorithm(&s)));
EXPECT(s != NULL);
EXPECT(!strcmp(a, ""));
EXPECT(!strcmp(s, "a$b>c$d>e$f$"));
EXPECT((a = librecrypt_next_algorithm(&s)));
EXPECT(s != NULL);
EXPECT(!strcmp(a, "a$b"));
EXPECT(!strcmp(s, "c$d>e$f$"));
EXPECT((a = librecrypt_next_algorithm(&s)));
EXPECT(s != NULL);
EXPECT(!strcmp(a, "c$d"));
EXPECT(!strcmp(s, "e$f$"));
EXPECT((a = librecrypt_next_algorithm(&s)));
EXPECT(s == NULL); /* state is set to NULL when done */
EXPECT(!strcmp(a, "e$f$"));
/* Check librecrypt_next_algorithm when done returns NULL without changing state */
EXPECT(librecrypt_next_algorithm(&s) == NULL);
EXPECT(s == NULL);
}
static void
testcase_2(void)
{
char hash[] = "a$b>c$d>e$f$>";
char *s = hash, *a;
EXPECT((a = librecrypt_next_algorithm(&s)));
EXPECT(s != NULL);
EXPECT(!strcmp(a, "a$b"));
EXPECT(!strcmp(s, "c$d>e$f$>"));
EXPECT((a = librecrypt_next_algorithm(&s)));
EXPECT(s != NULL);
EXPECT(!strcmp(a, "c$d"));
EXPECT(!strcmp(s, "e$f$>"));
EXPECT((a = librecrypt_next_algorithm(&s)));
EXPECT(s != NULL);
EXPECT(!strcmp(a, "e$f$"));
EXPECT(!strcmp(s, ""));
EXPECT((a = librecrypt_next_algorithm(&s)));
EXPECT(s == NULL); /* state is set to NULL when done */
EXPECT(!strcmp(a, ""));
/* Check librecrypt_next_algorithm when done returns NULL without changing state */
EXPECT(librecrypt_next_algorithm(&s) == NULL);
EXPECT(s == NULL);
}
int
main(void)
{
SET_UP_ALARM();
INIT_RESOURCE_TEST();
testcase_1();
testcase_2();
STOP_RESOURCE_TEST();
return 0;
}
# else
int
LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
char *hash, *r;
size_t sum = 0u;
hash = malloc(size + 1u);
assert(hash);
memcpy(hash, data, size);
hash[size] = '\0';
for (;;) {
r = librecrypt_next_algorithm(&hash);
if (!r)
break;
sum += strlen(r) + 1u;
}
EXPECT(sum == size + 1u);
return 0;
}
# endif
#endif
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