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/*
* Copyright 2016-2024 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <openssl/crypto.h>
#include <internal/nelem.h>
#include "testutil.h"
struct strtoul_test_entry {
char *input; /* the input string */
int base; /* the base we are converting in */
unsigned long expect_val; /* the expected value we should get */
int expect_err; /* the expected error we expect to receive */
size_t expect_endptr_offset; /* the expected endptr offset, +1 for NULL */
};
static struct strtoul_test_entry strtoul_tests[] = {
/* pass on conv "0" to 0 */
{
"0", 0, 0, 1, 1
},
/* pass on conv "12345" to 12345 */
{
"12345", 0, 12345, 1, 5
},
/* pass on conv "0x12345" to 0x12345, base 16 */
{
"0x12345", 0, 0x12345, 1, 7
},
/* pass on base 10 translation, endptr points to 'x' */
{
"0x12345", 10, 0, 1, 1
},
#if ULONG_MAX == 4294967295
/* pass on ULONG_MAX translation */
{
"4294967295", 0, ULONG_MAX, 1, 10
},
#else
{
"18446744073709551615", 0, ULONG_MAX, 1, 20
},
#endif
/* fail on negative input */
{
"-1", 0, 0, 0, 0
},
/* fail on non-numerical input */
{
"abcd", 0, 0, 0, 0
},
/* pass on decimal input */
{
"1.0", 0, 1, 1, 1
},
/* Fail on decimal input without leading number */
{
".1", 0, 0, 0, 0
}
};
static int test_strtoul(int idx)
{
unsigned long val;
char *endptr = NULL;
int err;
struct strtoul_test_entry *test = &strtoul_tests[idx];
/*
* For each test, convert the string to an unsigned long
*/
err = OPENSSL_strtoul(test->input, &endptr, test->base, &val);
/*
* Check to ensure the error returned is expected
*/
if (!TEST_int_eq(err, test->expect_err))
return 0;
/*
* Confirm that the endptr points to where we expect
*/
if (!TEST_ptr_eq(endptr, &test->input[test->expect_endptr_offset]))
return 0;
/*
* And check that we received the proper translated value
* Note, we only check the value if the conversion passed
*/
if (test->expect_err == 1) {
if (!TEST_ulong_eq(val, test->expect_val))
return 0;
}
return 1;
}
int setup_tests(void)
{
ADD_ALL_TESTS(test_strtoul, OSSL_NELEM(strtoul_tests));
return 1;
}
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