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libnvme/test/uuid.c
Daniel Baumann a2fa71affa
Merging upstream version 1.2.
Signed-off-by: Daniel Baumann <daniel@debian.org>
2025-02-16 10:05:45 +01:00

120 lines
2.6 KiB
C

// SPDX-License-Identifier: LGPL-2.1-or-later
/**
* This file is part of libnvme.
* Copyright (c) 2022 Daniel Wagner, SUSE Software Solutions
*/
#include <string.h>
#include <stdlib.h>
#include <ccan/array_size/array_size.h>
#include <libnvme.h>
static int test_rc;
struct test_data {
unsigned char uuid[NVME_UUID_LEN];
const char *str;
};
static struct test_data test_data[] = {
{ { 0 }, "00000000-0000-0000-0000-000000000000" },
{ { [0 ... 15] = 0xff }, "ffffffff-ffff-ffff-ffff-ffffffffffff" },
{ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0f, 0x10 },
"00010203-0405-0607-0809-0a0b0c0d0f10" },
};
static void check_str(const char *exp, const char *res)
{
if (!strcmp(res, exp))
return;
printf("ERROR: got '%s', expected '%s'\n", res, exp);
test_rc = 1;
}
static void print_uuid_hex(const unsigned char uuid[NVME_UUID_LEN])
{
for (int i = 0; i < NVME_UUID_LEN; i++)
printf("%02x", uuid[i]);
}
static void check_uuid(unsigned char exp[NVME_UUID_LEN],
unsigned char res[NVME_UUID_LEN])
{
if (!memcmp(exp, res, NVME_UUID_LEN))
return;
printf("ERROR: got '");
print_uuid_hex(exp);
printf("', expected '");
print_uuid_hex(res);
printf("'\n");
}
static void tostr_test(struct test_data *test)
{
char str[NVME_UUID_LEN_STRING];
if (nvme_uuid_to_string(test->uuid, str)) {
test_rc = 1;
printf("ERROR: nvme_uuid_to_string() failed\n");
return;
}
check_str(test->str, str);
}
static void fromstr_test(struct test_data *test)
{
unsigned char uuid[NVME_UUID_LEN];
if (nvme_uuid_from_string(test->str, uuid)) {
test_rc = 1;
printf("ERROR: nvme_uuid_from_string() failed\n");
return;
}
check_uuid(test->uuid, uuid);
}
static void random_uuid_test(void)
{
unsigned char uuid1[NVME_UUID_LEN], uuid2[NVME_UUID_LEN];
char str1[NVME_UUID_LEN_STRING], str2[NVME_UUID_LEN_STRING];
if (nvme_uuid_random(uuid1) || nvme_uuid_random(uuid2)) {
test_rc = 1;
printf("ERROR: nvme_uuid_random() failed\n");
return;
}
if (!memcmp(uuid1, uuid2, NVME_UUID_LEN)) {
test_rc = 1;
printf("ERROR: generated random numbers are equal\n");
return;
}
if (nvme_uuid_to_string(uuid1, str1) ||
nvme_uuid_to_string(uuid2, str2)) {
test_rc = 1;
printf("ERROR: could not stringify randomly generated UUID\n");
return;
}
printf("PASS: generated UUIDs %s %s\n", str1, str2);
}
int main(void)
{
for (int i = 0; i < ARRAY_SIZE(test_data); i++)
tostr_test(&test_data[i]);
for (int i = 0; i < ARRAY_SIZE(test_data); i++)
fromstr_test(&test_data[i]);
random_uuid_test();
return test_rc ? EXIT_FAILURE : EXIT_SUCCESS;
}