FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavutil/tests/base64.c
Date: 2024-11-20 23:03:26
Exec Total Coverage
Lines: 0 0 -%
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Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 // LCOV_EXCL_START
20
21 #include "libavutil/timer.h"
22
23 #include <stdint.h>
24 #include <stdio.h>
25
26 #include "libavutil/common.h"
27 #include "libavutil/base64.h"
28
29 #define MAX_DATA_SIZE 1024
30 #define MAX_ENCODED_SIZE 2048
31
32 static int test_encode_decode(const uint8_t *data, unsigned int data_size,
33 const char *encoded_ref)
34 {
35 char encoded[MAX_ENCODED_SIZE];
36 uint8_t data2[MAX_DATA_SIZE];
37 int data2_size, max_data2_size = MAX_DATA_SIZE;
38
39 if (!av_base64_encode(encoded, MAX_ENCODED_SIZE, data, data_size)) {
40 printf("Failed: cannot encode the input data\n");
41 return 1;
42 }
43 if (encoded_ref && strcmp(encoded, encoded_ref)) {
44 printf("Failed: encoded string differs from reference\n"
45 "Encoded:\n%s\nReference:\n%s\n", encoded, encoded_ref);
46 return 1;
47 }
48
49 if ((data2_size = av_base64_decode(data2, encoded, max_data2_size)) != data_size) {
50 printf("Failed: cannot decode the encoded string\n"
51 "Encoded:\n%s\n", encoded);
52 return 1;
53 }
54 if ((data2_size = av_base64_decode(data2, encoded, data_size)) != data_size) {
55 printf("Failed: cannot decode with minimal buffer\n"
56 "Encoded:\n%s\n", encoded);
57 return 1;
58 }
59 if (memcmp(data2, data, data_size)) {
60 printf("Failed: encoded/decoded data differs from original data\n");
61 return 1;
62 }
63 if (av_base64_decode(NULL, encoded, 0) != 0) {
64 printf("Failed: decode to NULL buffer\n");
65 return 1;
66 }
67 if (data_size > 0 && (data2_size = av_base64_decode(data2, encoded, data_size - 1)) != data_size - 1) {
68 printf("Failed: out of array write\n"
69 "Encoded:\n%s\n", encoded);
70 return 1;
71 }
72 if (data_size > 1 && (data2_size = av_base64_decode(data2, encoded, data_size - 2)) != data_size - 2) {
73 printf("Failed: out of array write\n"
74 "Encoded:\n%s\n", encoded);
75 return 1;
76 }
77 if (strlen(encoded)) {
78 char *end = strchr(encoded, '=');
79 if (!end)
80 end = encoded + strlen(encoded) - 1;
81 *end = '%';
82 if (av_base64_decode(NULL, encoded, 0) >= 0) {
83 printf("Failed: error detection\n");
84 return 1;
85 }
86 }
87
88 printf("Passed!\n");
89 return 0;
90 }
91
92 int main(int argc, char ** argv)
93 {
94 int i, error_count = 0;
95 struct test {
96 const uint8_t *data;
97 const char *encoded_ref;
98 } tests[] = {
99 { "", ""},
100 { "1", "MQ=="},
101 { "22", "MjI="},
102 { "333", "MzMz"},
103 { "4444", "NDQ0NA=="},
104 { "55555", "NTU1NTU="},
105 { "666666", "NjY2NjY2"},
106 { "abc:def", "YWJjOmRlZg=="},
107 };
108 char in[1024], out[2048];
109
110 printf("Encoding/decoding tests\n");
111 for (i = 0; i < FF_ARRAY_ELEMS(tests); i++)
112 error_count += test_encode_decode(tests[i].data, strlen(tests[i].data), tests[i].encoded_ref);
113
114 if (argc>1 && !strcmp(argv[1], "-t")) {
115 memset(in, 123, sizeof(in));
116 for(i=0; i<10000; i++){
117 START_TIMER
118 av_base64_encode(out, sizeof(out), in, sizeof(in));
119 STOP_TIMER("encode")
120 }
121 for(i=0; i<10000; i++){
122 START_TIMER
123 av_base64_decode(in, out, sizeof(in));
124 STOP_TIMER("decode")
125 }
126
127 for(i=0; i<10000; i++){
128 START_TIMER
129 av_base64_decode(NULL, out, 0);
130 STOP_TIMER("syntax check")
131 }
132 }
133
134 if (error_count)
135 printf("Error Count: %d.\n", error_count);
136
137 return !!error_count;
138 }
139
140 // LCOV_EXCL_STOP
141