Source file
src/net/iprawsock_test.go
Documentation: net
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7
8 package net
9
10 import (
11 "reflect"
12 "testing"
13 )
14
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18
19
20
21 type resolveIPAddrTest struct {
22 network string
23 litAddrOrName string
24 addr *IPAddr
25 err error
26 }
27
28 var resolveIPAddrTests = []resolveIPAddrTest{
29 {"ip", "127.0.0.1", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
30 {"ip4", "127.0.0.1", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
31 {"ip4:icmp", "127.0.0.1", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
32
33 {"ip", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
34 {"ip6", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
35 {"ip6:ipv6-icmp", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
36 {"ip6:IPv6-ICMP", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
37
38 {"ip", "::1%en0", &IPAddr{IP: ParseIP("::1"), Zone: "en0"}, nil},
39 {"ip6", "::1%911", &IPAddr{IP: ParseIP("::1"), Zone: "911"}, nil},
40
41 {"", "127.0.0.1", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
42 {"", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
43
44 {"ip4:icmp", "", &IPAddr{}, nil},
45
46 {"l2tp", "127.0.0.1", nil, UnknownNetworkError("l2tp")},
47 {"l2tp:gre", "127.0.0.1", nil, UnknownNetworkError("l2tp:gre")},
48 {"tcp", "1.2.3.4:123", nil, UnknownNetworkError("tcp")},
49
50 {"ip4", "2001:db8::1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "2001:db8::1"}},
51 {"ip4:icmp", "2001:db8::1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "2001:db8::1"}},
52 {"ip6", "127.0.0.1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "127.0.0.1"}},
53 {"ip6", "::ffff:127.0.0.1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "::ffff:127.0.0.1"}},
54 {"ip6:ipv6-icmp", "127.0.0.1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "127.0.0.1"}},
55 {"ip6:ipv6-icmp", "::ffff:127.0.0.1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "::ffff:127.0.0.1"}},
56 }
57
58 func TestResolveIPAddr(t *testing.T) {
59 if !testableNetwork("ip+nopriv") {
60 t.Skip("ip+nopriv test")
61 }
62
63 origTestHookLookupIP := testHookLookupIP
64 defer func() { testHookLookupIP = origTestHookLookupIP }()
65 testHookLookupIP = lookupLocalhost
66
67 for _, tt := range resolveIPAddrTests {
68 addr, err := ResolveIPAddr(tt.network, tt.litAddrOrName)
69 if !reflect.DeepEqual(addr, tt.addr) || !reflect.DeepEqual(err, tt.err) {
70 t.Errorf("ResolveIPAddr(%q, %q) = %#v, %v, want %#v, %v", tt.network, tt.litAddrOrName, addr, err, tt.addr, tt.err)
71 continue
72 }
73 if err == nil {
74 addr2, err := ResolveIPAddr(addr.Network(), addr.String())
75 if !reflect.DeepEqual(addr2, tt.addr) || err != tt.err {
76 t.Errorf("(%q, %q): ResolveIPAddr(%q, %q) = %#v, %v, want %#v, %v", tt.network, tt.litAddrOrName, addr.Network(), addr.String(), addr2, err, tt.addr, tt.err)
77 }
78 }
79 }
80 }
81
82 var ipConnLocalNameTests = []struct {
83 net string
84 laddr *IPAddr
85 }{
86 {"ip4:icmp", &IPAddr{IP: IPv4(127, 0, 0, 1)}},
87 {"ip4:icmp", &IPAddr{}},
88 {"ip4:icmp", nil},
89 }
90
91 func TestIPConnLocalName(t *testing.T) {
92 for _, tt := range ipConnLocalNameTests {
93 if !testableNetwork(tt.net) {
94 t.Logf("skipping %s test", tt.net)
95 continue
96 }
97 c, err := ListenIP(tt.net, tt.laddr)
98 if err != nil {
99 t.Fatal(err)
100 }
101 defer c.Close()
102 if la := c.LocalAddr(); la == nil {
103 t.Fatal("should not fail")
104 }
105 }
106 }
107
108 func TestIPConnRemoteName(t *testing.T) {
109 if !testableNetwork("ip:tcp") {
110 t.Skip("ip:tcp test")
111 }
112
113 raddr := &IPAddr{IP: IPv4(127, 0, 0, 1).To4()}
114 c, err := DialIP("ip:tcp", &IPAddr{IP: IPv4(127, 0, 0, 1)}, raddr)
115 if err != nil {
116 t.Fatal(err)
117 }
118 defer c.Close()
119 if !reflect.DeepEqual(raddr, c.RemoteAddr()) {
120 t.Fatalf("got %#v; want %#v", c.RemoteAddr(), raddr)
121 }
122 }
123
124 func TestDialListenIPArgs(t *testing.T) {
125 type test struct {
126 argLists [][2]string
127 shouldFail bool
128 }
129 tests := []test{
130 {
131 argLists: [][2]string{
132 {"ip", "127.0.0.1"},
133 {"ip:", "127.0.0.1"},
134 {"ip::", "127.0.0.1"},
135 {"ip", "::1"},
136 {"ip:", "::1"},
137 {"ip::", "::1"},
138 {"ip4", "127.0.0.1"},
139 {"ip4:", "127.0.0.1"},
140 {"ip4::", "127.0.0.1"},
141 {"ip6", "::1"},
142 {"ip6:", "::1"},
143 {"ip6::", "::1"},
144 },
145 shouldFail: true,
146 },
147 }
148 if testableNetwork("ip") {
149 priv := test{shouldFail: false}
150 for _, tt := range []struct {
151 network, address string
152 args [2]string
153 }{
154 {"ip4:47", "127.0.0.1", [2]string{"ip4:47", "127.0.0.1"}},
155 {"ip6:47", "::1", [2]string{"ip6:47", "::1"}},
156 } {
157 c, err := ListenPacket(tt.network, tt.address)
158 if err != nil {
159 continue
160 }
161 c.Close()
162 priv.argLists = append(priv.argLists, tt.args)
163 }
164 if len(priv.argLists) > 0 {
165 tests = append(tests, priv)
166 }
167 }
168
169 for _, tt := range tests {
170 for _, args := range tt.argLists {
171 _, err := Dial(args[0], args[1])
172 if tt.shouldFail != (err != nil) {
173 t.Errorf("Dial(%q, %q) = %v; want (err != nil) is %t", args[0], args[1], err, tt.shouldFail)
174 }
175 _, err = ListenPacket(args[0], args[1])
176 if tt.shouldFail != (err != nil) {
177 t.Errorf("ListenPacket(%q, %q) = %v; want (err != nil) is %t", args[0], args[1], err, tt.shouldFail)
178 }
179 a, err := ResolveIPAddr("ip", args[1])
180 if err != nil {
181 t.Errorf("ResolveIPAddr(\"ip\", %q) = %v", args[1], err)
182 continue
183 }
184 _, err = DialIP(args[0], nil, a)
185 if tt.shouldFail != (err != nil) {
186 t.Errorf("DialIP(%q, %v) = %v; want (err != nil) is %t", args[0], a, err, tt.shouldFail)
187 }
188 _, err = ListenIP(args[0], a)
189 if tt.shouldFail != (err != nil) {
190 t.Errorf("ListenIP(%q, %v) = %v; want (err != nil) is %t", args[0], a, err, tt.shouldFail)
191 }
192 }
193 }
194 }
195
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