1 /*
2 * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (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 <string.h>
11 #include "testutil.h"
12 #include "internal/numbers.h"
13
test_sanity_null_zero(void)14 static int test_sanity_null_zero(void)
15 {
16 char *p;
17 char bytes[sizeof(p)];
18
19 /* Is NULL equivalent to all-bytes-zero? */
20 p = NULL;
21 memset(bytes, 0, sizeof(bytes));
22 return TEST_mem_eq(&p, sizeof(p), bytes, sizeof(bytes));
23 }
24
test_sanity_enum_size(void)25 static int test_sanity_enum_size(void)
26 {
27 enum smallchoices { sa, sb, sc };
28 enum medchoices { ma, mb, mc, md, me, mf, mg, mh, mi, mj, mk, ml };
29 enum largechoices {
30 a01, b01, c01, d01, e01, f01, g01, h01, i01, j01,
31 a02, b02, c02, d02, e02, f02, g02, h02, i02, j02,
32 a03, b03, c03, d03, e03, f03, g03, h03, i03, j03,
33 a04, b04, c04, d04, e04, f04, g04, h04, i04, j04,
34 a05, b05, c05, d05, e05, f05, g05, h05, i05, j05,
35 a06, b06, c06, d06, e06, f06, g06, h06, i06, j06,
36 a07, b07, c07, d07, e07, f07, g07, h07, i07, j07,
37 a08, b08, c08, d08, e08, f08, g08, h08, i08, j08,
38 a09, b09, c09, d09, e09, f09, g09, h09, i09, j09,
39 a10, b10, c10, d10, e10, f10, g10, h10, i10, j10,
40 xxx };
41
42 /* Enum size */
43 if (!TEST_size_t_eq(sizeof(enum smallchoices), sizeof(int))
44 || !TEST_size_t_eq(sizeof(enum medchoices), sizeof(int))
45 || !TEST_size_t_eq(sizeof(enum largechoices), sizeof(int)))
46 return 0;
47 return 1;
48 }
49
test_sanity_twos_complement(void)50 static int test_sanity_twos_complement(void)
51 {
52 /* Basic two's complement checks. */
53 if (!TEST_int_eq(~(-1), 0)
54 || !TEST_long_eq(~(-1L), 0L))
55 return 0;
56 return 1;
57 }
58
test_sanity_sign(void)59 static int test_sanity_sign(void)
60 {
61 /* Check that values with sign bit 1 and value bits 0 are valid */
62 if (!TEST_int_eq(-(INT_MIN + 1), INT_MAX)
63 || !TEST_long_eq(-(LONG_MIN + 1), LONG_MAX))
64 return 0;
65 return 1;
66 }
67
test_sanity_unsigned_conversion(void)68 static int test_sanity_unsigned_conversion(void)
69 {
70 /* Check that unsigned-to-signed conversions preserve bit patterns */
71 if (!TEST_int_eq((int)((unsigned int)INT_MAX + 1), INT_MIN)
72 || !TEST_long_eq((long)((unsigned long)LONG_MAX + 1), LONG_MIN))
73 return 0;
74 return 1;
75 }
76
test_sanity_range(void)77 static int test_sanity_range(void)
78 {
79 /* This isn't possible to check using the framework functions */
80 if (SIZE_MAX < INT_MAX) {
81 TEST_error("int must not be wider than size_t");
82 return 0;
83 }
84 return 1;
85 }
86
test_sanity_memcmp(void)87 static int test_sanity_memcmp(void)
88 {
89 return CRYPTO_memcmp("ab","cd",2);
90 }
91
setup_tests(void)92 int setup_tests(void)
93 {
94 ADD_TEST(test_sanity_null_zero);
95 ADD_TEST(test_sanity_enum_size);
96 ADD_TEST(test_sanity_twos_complement);
97 ADD_TEST(test_sanity_sign);
98 ADD_TEST(test_sanity_unsigned_conversion);
99 ADD_TEST(test_sanity_range);
100 ADD_TEST(test_sanity_memcmp);
101 return 1;
102 }
103
104