1 /*
2 * Copyright 2016-2024 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 #include <openssl/crypto.h>
11 #include <internal/nelem.h>
12 #include "testutil.h"
13
14 struct strtoul_test_entry {
15 char *input; /* the input string */
16 int base; /* the base we are converting in */
17 unsigned long expect_val; /* the expected value we should get */
18 int expect_err; /* the expected error we expect to receive */
19 size_t expect_endptr_offset; /* the expected endptr offset, +1 for NULL */
20 };
21
22 static struct strtoul_test_entry strtoul_tests[] = {
23 /* pass on conv "0" to 0 */
24 {
25 "0", 0, 0, 1, 1
26 },
27 /* pass on conv "12345" to 12345 */
28 {
29 "12345", 0, 12345, 1, 5
30 },
31 /* pass on conv "0x12345" to 0x12345, base 16 */
32 {
33 "0x12345", 0, 0x12345, 1, 7
34 },
35 /* pass on base 10 translation, endptr points to 'x' */
36 {
37 "0x12345", 10, 0, 1, 1
38 },
39 #if ULONG_MAX == 4294967295
40 /* pass on ULONG_MAX translation */
41 {
42 "4294967295", 0, ULONG_MAX, 1, 10
43 },
44 #else
45 {
46 "18446744073709551615", 0, ULONG_MAX, 1, 20
47 },
48 #endif
49
50 /* fail on negative input */
51 {
52 "-1", 0, 0, 0, 0
53 },
54 /* fail on non-numerical input */
55 {
56 "abcd", 0, 0, 0, 0
57 },
58 /* pass on decimal input */
59 {
60 "1.0", 0, 1, 1, 1
61 },
62 /* Fail on decimal input without leading number */
63 {
64 ".1", 0, 0, 0, 0
65 }
66 };
67
test_strtoul(int idx)68 static int test_strtoul(int idx)
69 {
70 unsigned long val;
71 char *endptr = NULL;
72 int err;
73 struct strtoul_test_entry *test = &strtoul_tests[idx];
74
75 /*
76 * For each test, convert the string to an unsigned long
77 */
78 err = OPENSSL_strtoul(test->input, &endptr, test->base, &val);
79
80 /*
81 * Check to ensure the error returned is expected
82 */
83 if (!TEST_int_eq(err, test->expect_err))
84 return 0;
85 /*
86 * Confirm that the endptr points to where we expect
87 */
88 if (!TEST_ptr_eq(endptr, &test->input[test->expect_endptr_offset]))
89 return 0;
90 /*
91 * And check that we received the proper translated value
92 * Note, we only check the value if the conversion passed
93 */
94 if (test->expect_err == 1) {
95 if (!TEST_ulong_eq(val, test->expect_val))
96 return 0;
97 }
98 return 1;
99
100 }
101
setup_tests(void)102 int setup_tests(void)
103 {
104 ADD_ALL_TESTS(test_strtoul, OSSL_NELEM(strtoul_tests));
105 return 1;
106 }
107
