1 use base64::{
2 alphabet::URL_SAFE, engine::general_purpose::PAD, engine::general_purpose::STANDARD, *,
3 };
4
compare_encode(expected: &str, target: &[u8])5 fn compare_encode(expected: &str, target: &[u8]) {
6 assert_eq!(expected, STANDARD.encode(target));
7 }
8
9 #[test]
encode_all_ascii()10 fn encode_all_ascii() {
11 let ascii: Vec<u8> = (0..=127).collect();
12
13 compare_encode(
14 "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIjJCUmJygpKissLS4vMDEyMzQ1Njc4OTo7P\
15 D0+P0BBQkNERUZHSElKS0xNTk9QUVJTVFVWV1hZWltcXV5fYGFiY2RlZmdoaWprbG1ub3BxcnN0dXZ3eHl6e3x9fn8\
16 =",
17 &ascii,
18 );
19 }
20
21 #[test]
encode_all_bytes()22 fn encode_all_bytes() {
23 let bytes: Vec<u8> = (0..=255).collect();
24
25 compare_encode(
26 "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIjJCUmJygpKissLS4vMDEyMzQ1Njc4OTo7P\
27 D0+P0BBQkNERUZHSElKS0xNTk9QUVJTVFVWV1hZWltcXV5fYGFiY2RlZmdoaWprbG1ub3BxcnN0dXZ3eHl6e3x9fn\
28 +AgYKDhIWGh4iJiouMjY6PkJGSk5SVlpeYmZqbnJ2en6ChoqOkpaanqKmqq6ytrq+wsbKztLW2t7i5uru8vb6\
29 /wMHCw8TFxsfIycrLzM3Oz9DR0tPU1dbX2Nna29zd3t/g4eLj5OXm5+jp6uvs7e7v8PHy8/T19vf4+fr7/P3+/w==",
30 &bytes,
31 );
32 }
33
34 #[test]
encode_all_bytes_url()35 fn encode_all_bytes_url() {
36 let bytes: Vec<u8> = (0..=255).collect();
37
38 assert_eq!(
39 "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIjJCUmJygpKissLS4vMDEyMzQ1Njc4OTo7PD0\
40 -P0BBQkNERUZHSElKS0xNTk9QUVJTVFVWV1hZWltcXV5fYGFiY2RlZmdoaWprbG1ub3BxcnN0dXZ3eHl6e3x9fn\
41 -AgYKDhIWGh4iJiouMjY6PkJGSk5SVlpeYmZqbnJ2en6ChoqOkpaanqKmqq6ytrq\
42 -wsbKztLW2t7i5uru8vb6_wMHCw8TFxsfIycrLzM3Oz9DR0tPU1dbX2Nna29zd3t_g4eLj5OXm5-jp6uvs7e7v8PHy\
43 8_T19vf4-fr7_P3-_w==",
44 &engine::GeneralPurpose::new(&URL_SAFE, PAD).encode(bytes)
45 );
46 }
47
48 #[test]
encoded_len_unpadded()49 fn encoded_len_unpadded() {
50 assert_eq!(0, encoded_len(0, false).unwrap());
51 assert_eq!(2, encoded_len(1, false).unwrap());
52 assert_eq!(3, encoded_len(2, false).unwrap());
53 assert_eq!(4, encoded_len(3, false).unwrap());
54 assert_eq!(6, encoded_len(4, false).unwrap());
55 assert_eq!(7, encoded_len(5, false).unwrap());
56 assert_eq!(8, encoded_len(6, false).unwrap());
57 assert_eq!(10, encoded_len(7, false).unwrap());
58 }
59
60 #[test]
encoded_len_padded()61 fn encoded_len_padded() {
62 assert_eq!(0, encoded_len(0, true).unwrap());
63 assert_eq!(4, encoded_len(1, true).unwrap());
64 assert_eq!(4, encoded_len(2, true).unwrap());
65 assert_eq!(4, encoded_len(3, true).unwrap());
66 assert_eq!(8, encoded_len(4, true).unwrap());
67 assert_eq!(8, encoded_len(5, true).unwrap());
68 assert_eq!(8, encoded_len(6, true).unwrap());
69 assert_eq!(12, encoded_len(7, true).unwrap());
70 }
71 #[test]
encoded_len_overflow()72 fn encoded_len_overflow() {
73 let max_size = usize::MAX / 4 * 3 + 2;
74 assert_eq!(2, max_size % 3);
75 assert_eq!(Some(usize::MAX), encoded_len(max_size, false));
76 assert_eq!(None, encoded_len(max_size + 1, false));
77 }
78