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// SPDX-License-Identifier: GPL-2.0
#include "tests.h"
#include "util/debug.h"
#include "util/sha1.h"
#include <linux/compiler.h>
#include <stdlib.h>
#include <string2.h>
static int test_strreplace(char needle, const char *haystack,
const char *replace, const char *expected)
{
char *new = strreplace_chars(needle, haystack, replace);
int ret = strcmp(new, expected);
free(new);
return ret == 0;
}
#define MAX_LEN 512
/* Test sha1() for all lengths from 0 to MAX_LEN inclusively. */
static int test_sha1(void)
{
u8 data[MAX_LEN];
size_t digests_size = (MAX_LEN + 1) * SHA1_DIGEST_SIZE;
u8 *digests;
u8 digest_of_digests[SHA1_DIGEST_SIZE];
/*
* The correctness of this value was verified by running this test with
* sha1() replaced by OpenSSL's SHA1().
*/
static const u8 expected_digest_of_digests[SHA1_DIGEST_SIZE] = {
0x74, 0xcd, 0x4c, 0xb9, 0xd8, 0xa6, 0xd5, 0x95, 0x22, 0x8b,
0x7e, 0xd6, 0x8b, 0x7e, 0x46, 0x95, 0x31, 0x9b, 0xa2, 0x43,
};
size_t i;
digests = malloc(digests_size);
TEST_ASSERT_VAL("failed to allocate digests", digests != NULL);
/* Generate MAX_LEN bytes of data. */
for (i = 0; i < MAX_LEN; i++)
data[i] = i;
/* Calculate a SHA-1 for each length 0 through MAX_LEN inclusively. */
for (i = 0; i <= MAX_LEN; i++)
sha1(data, i, &digests[i * SHA1_DIGEST_SIZE]);
/* Calculate digest of all digests calculated above. */
sha1(digests, digests_size, digest_of_digests);
free(digests);
/* Check for the expected result. */
TEST_ASSERT_VAL("wrong output from sha1()",
memcmp(digest_of_digests, expected_digest_of_digests,
SHA1_DIGEST_SIZE) == 0);
return 0;
}
static int test__util(struct test_suite *t __maybe_unused, int subtest __maybe_unused)
{
TEST_ASSERT_VAL("empty string", test_strreplace(' ', "", "123", ""));
TEST_ASSERT_VAL("no match", test_strreplace('5', "123", "4", "123"));
TEST_ASSERT_VAL("replace 1", test_strreplace('3', "123", "4", "124"));
TEST_ASSERT_VAL("replace 2", test_strreplace('a', "abcabc", "ef", "efbcefbc"));
TEST_ASSERT_VAL("replace long", test_strreplace('a', "abcabc", "longlong",
"longlongbclonglongbc"));
return test_sha1();
}
DEFINE_SUITE("util", util);
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