1 /* Copyright (c) 2015, Google Inc.
2  *
3  * Permission to use, copy, modify, and/or distribute this software for any
4  * purpose with or without fee is hereby granted, provided that the above
5  * copyright notice and this permission notice appear in all copies.
6  *
7  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
10  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
12  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
13  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
14 
15 #ifndef OPENSSL_HEADER_CRYPTO_TEST_TEST_UTIL_H
16 #define OPENSSL_HEADER_CRYPTO_TEST_TEST_UTIL_H
17 
18 #include <stddef.h>
19 #include <stdint.h>
20 #include <stdio.h>
21 #include <string.h>
22 
23 #include <iosfwd>
24 
25 #include "../internal.h"
26 
27 
28 // hexdump writes |msg| to |fp| followed by the hex encoding of |len| bytes
29 // from |in|.
30 void hexdump(FILE *fp, const char *msg, const void *in, size_t len);
31 
32 // Bytes is a wrapper over a byte slice which may be compared for equality. This
33 // allows it to be used in EXPECT_EQ macros.
34 struct Bytes {
BytesBytes35   Bytes(const uint8_t *data_arg, size_t len_arg)
36       : data(data_arg), len(len_arg) {}
BytesBytes37   Bytes(const char *data_arg, size_t len_arg)
38       : data(reinterpret_cast<const uint8_t *>(data_arg)), len(len_arg) {}
39 
BytesBytes40   Bytes(const char *str)
41       : data(reinterpret_cast<const uint8_t *>(str)), len(strlen(str)) {}
42 
43   template <size_t N>
BytesBytes44   Bytes(const uint8_t (&array)[N]) : data(array), len(N) {}
45 
46   const uint8_t *data;
47   size_t len;
48 };
49 
50 inline bool operator==(const Bytes &a, const Bytes &b) {
51   return a.len == b.len && OPENSSL_memcmp(a.data, b.data, a.len) == 0;
52 }
53 
54 inline bool operator!=(const Bytes &a, const Bytes &b) { return !(a == b); }
55 
56 std::ostream &operator<<(std::ostream &os, const Bytes &in);
57 
58 
59 #endif /* OPENSSL_HEADER_CRYPTO_TEST_TEST_UTIL_H */
60