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cc75cbc4 | 1 | /* |
cbf0cfaf | 2 | * Copyright 2015-2017 The OpenSSL Project Authors. All Rights Reserved. |
cc75cbc4 RS |
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 | ||
cc75cbc4 | 10 | #include <string.h> |
176db6dc | 11 | #include "internal/numbers.h" |
cc75cbc4 | 12 | |
cbf0cfaf | 13 | #include "testutil.h" |
cc75cbc4 | 14 | |
cbf0cfaf | 15 | static int test_sanity_null_zero(void) |
cc75cbc4 RS |
16 | { |
17 | char *p; | |
18 | char bytes[sizeof(p)]; | |
cc75cbc4 RS |
19 | |
20 | /* Is NULL equivalent to all-bytes-zero? */ | |
21 | p = NULL; | |
22 | memset(bytes, 0, sizeof bytes); | |
cbf0cfaf P |
23 | return TEST_mem_eq(&p, sizeof(p), bytes, sizeof(bytes)); |
24 | } | |
25 | ||
26 | static int test_sanity_enum_size(void) | |
27 | { | |
28 | enum smallchoices { sa, sb, sc }; | |
29 | enum medchoices { ma, mb, mc, md, me, mf, mg, mh, mi, mj, mk, ml }; | |
30 | enum largechoices { | |
31 | a01, b01, c01, d01, e01, f01, g01, h01, i01, j01, | |
32 | a02, b02, c02, d02, e02, f02, g02, h02, i02, j02, | |
33 | a03, b03, c03, d03, e03, f03, g03, h03, i03, j03, | |
34 | a04, b04, c04, d04, e04, f04, g04, h04, i04, j04, | |
35 | a05, b05, c05, d05, e05, f05, g05, h05, i05, j05, | |
36 | a06, b06, c06, d06, e06, f06, g06, h06, i06, j06, | |
37 | a07, b07, c07, d07, e07, f07, g07, h07, i07, j07, | |
38 | a08, b08, c08, d08, e08, f08, g08, h08, i08, j08, | |
39 | a09, b09, c09, d09, e09, f09, g09, h09, i09, j09, | |
40 | a10, b10, c10, d10, e10, f10, g10, h10, i10, j10, | |
41 | xxx }; | |
cc75cbc4 RS |
42 | |
43 | /* Enum size */ | |
cbf0cfaf P |
44 | if (!TEST_size_t_eq(sizeof(enum smallchoices), sizeof(int)) |
45 | || !TEST_size_t_eq(sizeof(enum medchoices), sizeof(int)) | |
46 | || !TEST_size_t_eq(sizeof(enum largechoices), sizeof(int))) | |
47 | return 0; | |
48 | return 1; | |
49 | } | |
50 | ||
51 | static int test_sanity_twos_complement(void) | |
52 | { | |
cc75cbc4 | 53 | /* Basic two's complement checks. */ |
cbf0cfaf P |
54 | if (!TEST_int_eq(~(-1), 0) |
55 | || !TEST_long_eq(~(-1L), 0L)) | |
56 | return 0; | |
57 | return 1; | |
58 | } | |
cc75cbc4 | 59 | |
cbf0cfaf P |
60 | static int test_sanity_sign(void) |
61 | { | |
cc75cbc4 | 62 | /* Check that values with sign bit 1 and value bits 0 are valid */ |
cbf0cfaf P |
63 | if (!TEST_int_eq(-(INT_MIN + 1), INT_MAX) |
64 | || !TEST_long_eq(-(LONG_MIN + 1), LONG_MAX)) | |
65 | return 0; | |
66 | return 1; | |
67 | } | |
cc75cbc4 | 68 | |
cbf0cfaf P |
69 | static int test_sanity_unsigned_convertion(void) |
70 | { | |
cc75cbc4 | 71 | /* Check that unsigned-to-signed conversions preserve bit patterns */ |
cbf0cfaf P |
72 | if (!TEST_int_eq((int)((unsigned int)INT_MAX + 1), INT_MIN) |
73 | || !TEST_long_eq((long)((unsigned long)LONG_MAX + 1), LONG_MIN)) | |
74 | return 0; | |
75 | return 1; | |
76 | } | |
cc75cbc4 | 77 | |
ad887416 | 78 | int setup_tests(void) |
cbf0cfaf P |
79 | { |
80 | ADD_TEST(test_sanity_null_zero); | |
81 | ADD_TEST(test_sanity_enum_size); | |
82 | ADD_TEST(test_sanity_twos_complement); | |
83 | ADD_TEST(test_sanity_sign); | |
84 | ADD_TEST(test_sanity_unsigned_convertion); | |
ad887416 | 85 | return 1; |
cc75cbc4 | 86 | } |
cbf0cfaf | 87 |