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
|
#!/usr/bin/env node
"use strict";
var tape = require('blue-tape');
global.Zmodem = require('./lib/zmodem');
var enclib = Zmodem.ENCODELIB;
tape('round-trip: 32-bit little-endian', function(t) {
var times = 1000;
t.doesNotThrow(
() => {
for (var a=0; a<times; a++) {
var orig = Math.floor( 0xffffffff * Math.random() );
var enc = enclib.pack_u32_le(orig);
var roundtrip = enclib.unpack_u32_le(enc);
if (roundtrip !== orig) {
throw( `Orig: ${orig}, Packed: ` + JSON.stringify(enc) + `, Parsed: ${roundtrip}` );
}
}
},
`round-trip 32-bit little-endian: ${times} times`
);
t.end();
} );
tape('unpack_u32_le', function(t) {
t.equals(
enclib.unpack_u32_le([222,233,202,254]),
4274711006,
'unpack 4-byte number'
);
var highest = 0xffffffff;
t.equals(
enclib.unpack_u32_le([255,255,255,255]),
highest,
`highest number possible (${highest})`
);
t.equals(
enclib.unpack_u32_le([1, 0, 0, 0]),
1,
'1'
);
t.end();
});
tape('unpack_u16_be', function(t) {
t.equals(
enclib.unpack_u16_be([202,254]),
51966,
'unpack 2-byte number'
);
var highest = 0xffff;
t.equals(
enclib.unpack_u16_be([255,255]),
highest,
`highest number possible (${highest})`
);
t.equals(
enclib.unpack_u16_be([0, 1]),
1,
'1'
);
t.end();
});
tape('octets_to_hex', function(t) {
t.deepEquals(
enclib.octets_to_hex( [ 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0, 0x0a ] ),
'123456789abcdef00a'.split("").map( (c) => c.charCodeAt(0) ),
'hex encoding'
);
t.end();
} );
tape('parse_hex_octets', function(t) {
t.deepEquals(
enclib.parse_hex_octets( [ 48, 49, 102, 101 ] ),
[ 0x01, 0xfe ],
'parse hex excoding',
);
t.end();
} );
tape('round-trip: 16-bit big-endian', function(t) {
var times = 10000;
t.doesNotThrow(
() => {
for (var a=0; a<times; a++) {
var orig = Math.floor( 0x10000 * Math.random() );
var enc = enclib.pack_u16_be(orig);
var roundtrip = enclib.unpack_u16_be(enc);
if (roundtrip !== orig) {
throw( `Orig: ${orig}, Packed: ` + JSON.stringify(enc) + `, Parsed: ${roundtrip}` );
}
}
},
`round-trip 16-bit big-endian: ${times} times`
);
t.end();
} );
|
