encoder-test.js
4.43 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
var assert = require('assert');
var hpack = require('../');
describe('hpack/encoder', function() {
var encoder;
beforeEach(function() {
encoder = hpack.encoder.create();
});
function expect(arr, enc) {
function isNumber(num) {
return typeof num === 'number';
}
var out = Buffer.concat(encoder.render()).toString('hex');
if (Array.isArray(arr) && !arr.every(isNumber)) {
arr = arr.map(function(item) {
return new Buffer(item, enc);
});
arr = Buffer.concat(arr);
} else {
arr = new Buffer(arr, enc);
}
var actual = arr.toString('hex');
assert.equal(out, actual);
}
describe('bit', function() {
it('should encode number bit-by-bit', function() {
[ 1, 1, 1, 0, 1, 0, 1, 0,
1, 0, 1, 0, 1, 1, 1, 1 ].forEach(function(bit) {
encoder.encodeBit(bit);
});
expect([
0b11101010,
0b10101111
]);
});
it('should encode number using multiple bits', function() {
for (var i = 0; i < 8; i++)
encoder.encodeBits(0b1011010, 7);
expect([
0b10110101,
0b01101010,
0b11010101,
0b10101011,
0b01010110,
0b10101101,
0b01011010
]);
});
});
describe('integer', function() {
it('should encode 10 in prefix-5 (C.1.1)', function() {
encoder.skipBits(3);
encoder.encodeInt(10);
expect([ 0x0a ]);
});
it('should decode 1337 in prefix-5 (C.1.2)', function() {
encoder.skipBits(3);
encoder.encodeInt(1337);
expect([
0b00011111,
0b10011010,
0b00001010
]);
});
it('should decode 42 at octect boundary (C.1.3)', function() {
encoder.encodeInt(42);
expect([ 0b00101010 ]);
});
it('should regression 6-bit test', function() {
encoder.skipBits(2);
encoder.encodeInt(63);
expect([ 0b00111111, 0b00000000 ]);
});
});
describe('string', function() {
it('should encode literal from (C.2.1)', function() {
encoder.encodeStr(new Buffer('custom-key'), false);
expect([ [ 0x0a ], 'custom-key' ]);
});
it('should encode literal from (C.4.1)', function() {
encoder.encodeStr(new Buffer('www.example.com'), true);
expect('8c' +
'f1e3 c2e5 f23a 6ba0 ab90 f4ff'.replace(/ /g, ''),
'hex');
});
it('should decode literal from (C.4.2)', function() {
encoder.encodeStr(new Buffer('no-cache'), true);
expect(
'86' +
'a8eb 1064 9cbf'.replace(/ /g, ''),
'hex');
});
it('should encode literal from (C.4.3) #1', function() {
encoder.encodeStr(new Buffer('custom-key'), true);
expect(
'88' +
'25a8 49e9 5ba9 7d7f'.replace(/ /g, ''),
'hex');
});
it('should encode literal from (C.4.3) #2', function() {
encoder.encodeStr(new Buffer('custom-value'), true);
expect(
'89' +
'25a8 49e9 5bb8 e8b4 bf'.replace(/ /g, ''),
'hex');
});
it('should encode literal from (C.6.1) #1', function() {
encoder.encodeStr(new Buffer('Mon, 21 Oct 2013 20:13:21 GMT'), true);
expect(
('96' +
'd07a be94 1054 d444 a820 0595 040b 8166' +
'e082 a62d 1bff').replace(/ /g, ''),
'hex');
});
it('should encode literal from (C.6.1) #2', function() {
encoder.encodeStr(new Buffer('https://www.example.com'), true);
expect(
('91' +
'9d29 ad17 1863 c78f 0b97 c8e9 ae82 ae43' +
'd3').replace(/ /g, ''),
'hex');
});
it('should encode many 5 bit chars', function() {
encoder.encodeStr(new Buffer('eeeeeeee'), true);
// e = 00101, 0x294A5294A5 = 00101 x 8
expect('85294A5294A5', 'hex');
});
it('should encode many 5 bit chars with 3-bit EOS', function() {
// e = 00101, EOS=111,
// 0x294A5294A52F = 00101 x 9 + 111
encoder.encodeStr(new Buffer('eeeeeeeee'), true);
expect('86294A5294A52F', 'hex');
});
it('should decode many 5 bit chars with 2-bit EOS', function() {
// e = 00101, EOS=11,
// 0x294A5297 = 00101 x 6 + 11
encoder.encodeStr(new Buffer('eeeeee'), true);
expect('84294A5297', 'hex');
});
it('should decode many multi-octet chars', function() {
encoder.encodeStr([ 1, 1, 1, 1, 1, 1, 1, 1 ], true);
expect('97ffffb1ffff63fffec7fffd8ffffb1ffff63fffec7fffd8',
'hex');
});
});
});