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
|
package iplib
import (
"fmt"
"net"
"testing"
)
var NewNetTests = []struct {
ip net.IP
masklen int
out string
}{
{
net.ParseIP("192.168.0.0"), 32, "192.168.0.0/32",
},
{
net.ParseIP("192.168.0.0"), 24, "192.168.0.0/24",
},
{
net.ParseIP("192.168.0.7"), 32, "192.168.0.7/32",
},
{
net.ParseIP("192.168.0.7"), 24, "192.168.0.0/24",
},
{
net.ParseIP("2001:db8::"), 64, "2001:db8::/64",
},
{
net.ParseIP("::ffff:c0a8:0101"), 16, "192.168.0.0/16",
},
}
func TestNewNet(t *testing.T) {
for i, tt := range NewNetTests {
xnet := NewNet(tt.ip, tt.masklen)
_, pnet, _ := net.ParseCIDR(tt.out)
if xnet.String() != pnet.String() {
t.Errorf("[%d] NewNet(%s, %d) expected %s got %s", i, tt.ip.String(), tt.masklen, pnet.String(), xnet.String())
}
}
}
var NewNetBetweenTests = []struct {
start net.IP
end net.IP
xnet string
exact bool
err error
}{
{
net.ParseIP("192.168.0.255"), net.ParseIP("192.168.2.0"),
"192.168.1.0/24", false, nil,
},
{
net.ParseIP("192.168.0.255"), net.ParseIP("10.0.0.0"),
"", false, ErrNoValidRange,
},
{
net.ParseIP("192.168.0.255"), net.ParseIP("2001:db8:0:1::"),
"", false, ErrNoValidRange,
},
{
net.ParseIP("2001:db8:0:1::"), net.ParseIP("192.168.0.255"),
"", false, ErrNoValidRange,
},
{
net.ParseIP("192.168.0.255"), net.ParseIP("192.168.0.255"),
"", false, ErrNoValidRange,
},
{
net.ParseIP("192.168.0.255"), net.ParseIP("192.168.1.1"),
"192.168.1.0/32", true, nil,
},
{
net.ParseIP("192.168.1.0"), net.ParseIP("192.168.1.2"),
"192.168.1.1/32", true, nil,
},
{
net.ParseIP("192.168.0.255"), net.ParseIP("192.168.1.2"),
"192.168.1.0/31", true, nil,
},
{
net.ParseIP("192.168.0.255"), net.ParseIP("192.168.1.3"),
"192.168.1.0/31", false, nil,
},
{
net.ParseIP("192.168.1.0"), net.ParseIP("192.168.1.3"),
"192.168.1.0/30", true, nil,
},
{
net.ParseIP("192.168.0.255"), net.ParseIP("192.168.1.4"),
"192.168.1.0/30", false, nil,
},
{
net.ParseIP("192.168.0.255"), net.ParseIP("192.168.1.5"),
"192.168.1.0/30", false, nil,
},
{
net.ParseIP("192.168.0.254"), net.ParseIP("192.168.2.0"),
"192.168.0.255/32", false, nil,
},
{
net.ParseIP("192.168.0.255"), net.ParseIP("192.168.2.0"),
"192.168.1.0/24", false, nil,
},
{
net.ParseIP("2001:db7:ffff:ffff:ffff:ffff:ffff:ffff"), net.ParseIP("2001:db8:0:1::"),
"2001:db8::/64", true, nil,
},
}
func TestNewNetBetween(t *testing.T) {
for i, tt := range NewNetBetweenTests {
xnet, exact, err := NewNetBetween(tt.start, tt.end)
if e := compareErrors(err, tt.err); len(e) > 0 {
t.Errorf("[%d] NewNetBetween(%s, %s) expected error '%v', got '%v'", i, tt.start, tt.end, tt.err, err)
} else if tt.err == nil {
if xnet == nil && len(tt.xnet) != 0 {
t.Fatalf("[%d] should not be nil!", i)
}
if xnet.String() != tt.xnet {
t.Errorf("[%d] NewNetBetween(%s, %s) expected '%s', got '%s'", i, tt.start, tt.end, tt.xnet, xnet.String())
}
if exact != tt.exact {
t.Errorf("[%d] NewNetBetween(%s, %s) expected '%t', got '%t'", i, tt.start, tt.end, tt.exact, exact)
}
}
}
}
var ParseCIDRTests = []struct {
s string
xnet string
err error
ver int
}{
{"not.legit/22", "", fmt.Errorf("invalid CIDR address: not.legit/22"), 0},
{"192.168.1.1", "", fmt.Errorf("invalid CIDR address: 192.168.1.1"), 0},
{"192.168.1.0/24", "192.168.1.0/24", nil, 4},
{"2001:db8::/64", "2001:db8::/64", nil, 6},
{"::ffff:c0a8:0101/32", "192.168.1.1/32", nil, 4},
{"::ffff:c0a9:0101/16", "192.169.0.0/16", nil, 4},
{"::ffff:c0a8:0101/64", "::/64", nil, 6},
}
func TestParseCIDR(t *testing.T) {
for i, tt := range ParseCIDRTests {
_, n, err := ParseCIDR(tt.s)
if e := compareErrors(err, tt.err); len(e) > 0 {
t.Errorf("[%d] ParseCIDR(%s) expected error '%v', got '%v'", i, tt.s, tt.err, err)
} else if tt.err == nil {
if n.Version() != tt.ver {
t.Errorf("[%d] expected IPNet version '%d' got '%d'", i, tt.ver, n.Version())
}
if n.String() != tt.xnet {
fmt.Println(n)
t.Errorf("[%d] expected '%s' for '%s'", i, tt.xnet, n.String())
}
}
}
}
|
