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
|
// Copyright 2014 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package rle
import (
"testing"
checker "gopkg.in/check.v1"
)
func Test(t *testing.T) { checker.TestingT(t) }
type CompressionRleSuite struct{}
var _ = checker.Suite(&CompressionRleSuite{})
func (s *CompressionRleSuite) TestDecompressSimple(c *checker.C) {
exp := []byte{0xc5, 0xd2, 0x46, 0x1, 0x86, 0xf7, 0x23, 0x3c, 0x92, 0x7e, 0x7d, 0xb2, 0xdc, 0xc7, 0x3, 0xc0, 0xe5, 0x0, 0xb6, 0x53, 0xca, 0x82, 0x27, 0x3b, 0x7b, 0xfa, 0xd8, 0x4, 0x5d, 0x85, 0xa4, 0x70}
res, err := Decompress([]byte{token, 0xfd})
c.Assert(err, checker.IsNil)
c.Assert(res, checker.DeepEquals, exp)
// if bytes.Compare(res, exp) != 0 {
// t.Error("empty sha3", res)
// }
exp = []byte{0x56, 0xe8, 0x1f, 0x17, 0x1b, 0xcc, 0x55, 0xa6, 0xff, 0x83, 0x45, 0xe6, 0x92, 0xc0, 0xf8, 0x6e, 0x5b, 0x48, 0xe0, 0x1b, 0x99, 0x6c, 0xad, 0xc0, 0x1, 0x62, 0x2f, 0xb5, 0xe3, 0x63, 0xb4, 0x21}
res, err = Decompress([]byte{token, 0xfe})
c.Assert(err, checker.IsNil)
c.Assert(res, checker.DeepEquals, exp)
// if bytes.Compare(res, exp) != 0 {
// t.Error("0x80 sha3", res)
// }
res, err = Decompress([]byte{token, 0xff})
c.Assert(err, checker.IsNil)
c.Assert(res, checker.DeepEquals, []byte{token})
// if bytes.Compare(res, []byte{token}) != 0 {
// t.Error("token", res)
// }
res, err = Decompress([]byte{token, 12})
c.Assert(err, checker.IsNil)
c.Assert(res, checker.DeepEquals, make([]byte, 10))
// if bytes.Compare(res, make([]byte, 10)) != 0 {
// t.Error("10 * zero", res)
// }
}
// func TestDecompressMulti(t *testing.T) {
// res, err := Decompress([]byte{token, 0xfd, token, 0xfe, token, 12})
// if err != nil {
// t.Error(err)
// }
// var exp []byte
// exp = append(exp, crypto.Sha3([]byte(""))...)
// exp = append(exp, crypto.Sha3([]byte{0x80})...)
// exp = append(exp, make([]byte, 10)...)
// if bytes.Compare(res, res) != 0 {
// t.Error("Expected", exp, "result", res)
// }
// }
// func TestCompressSimple(t *testing.T) {
// res := Compress([]byte{0, 0, 0, 0, 0})
// if bytes.Compare(res, []byte{token, 7}) != 0 {
// t.Error("5 * zero", res)
// }
// res = Compress(crypto.Sha3([]byte("")))
// if bytes.Compare(res, []byte{token, emptyShaToken}) != 0 {
// t.Error("empty sha", res)
// }
// res = Compress(crypto.Sha3([]byte{0x80}))
// if bytes.Compare(res, []byte{token, emptyListShaToken}) != 0 {
// t.Error("empty list sha", res)
// }
// res = Compress([]byte{token})
// if bytes.Compare(res, []byte{token, tokenToken}) != 0 {
// t.Error("token", res)
// }
// }
// func TestCompressMulti(t *testing.T) {
// in := []byte{0, 0, 0, 0, 0}
// in = append(in, crypto.Sha3([]byte(""))...)
// in = append(in, crypto.Sha3([]byte{0x80})...)
// in = append(in, token)
// res := Compress(in)
// exp := []byte{token, 7, token, emptyShaToken, token, emptyListShaToken, token, tokenToken}
// if bytes.Compare(res, exp) != 0 {
// t.Error("expected", exp, "got", res)
// }
// }
// func TestCompressDecompress(t *testing.T) {
// var in []byte
// for i := 0; i < 20; i++ {
// in = append(in, []byte{0, 0, 0, 0, 0}...)
// in = append(in, crypto.Sha3([]byte(""))...)
// in = append(in, crypto.Sha3([]byte{0x80})...)
// in = append(in, []byte{123, 2, 19, 89, 245, 254, 255, token, 98, 233}...)
// in = append(in, token)
// }
// c := Compress(in)
// d, err := Decompress(c)
// if err != nil {
// t.Error(err)
// }
// if bytes.Compare(d, in) != 0 {
// t.Error("multi failed\n", d, "\n", in)
// }
// }
|
