github.com/reiver/go@v0.0.0-20150109200633-1d0c7792f172/src/net/ip_test.go (about) 1 // Copyright 2009 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package net 6 7 import ( 8 "reflect" 9 "runtime" 10 "testing" 11 ) 12 13 var parseIPTests = []struct { 14 in string 15 out IP 16 }{ 17 {"127.0.1.2", IPv4(127, 0, 1, 2)}, 18 {"127.0.0.1", IPv4(127, 0, 0, 1)}, 19 {"127.001.002.003", IPv4(127, 1, 2, 3)}, 20 {"::ffff:127.1.2.3", IPv4(127, 1, 2, 3)}, 21 {"::ffff:127.001.002.003", IPv4(127, 1, 2, 3)}, 22 {"::ffff:7f01:0203", IPv4(127, 1, 2, 3)}, 23 {"0:0:0:0:0000:ffff:127.1.2.3", IPv4(127, 1, 2, 3)}, 24 {"0:0:0:0:000000:ffff:127.1.2.3", IPv4(127, 1, 2, 3)}, 25 {"0:0:0:0::ffff:127.1.2.3", IPv4(127, 1, 2, 3)}, 26 27 {"2001:4860:0:2001::68", IP{0x20, 0x01, 0x48, 0x60, 0, 0, 0x20, 0x01, 0, 0, 0, 0, 0, 0, 0x00, 0x68}}, 28 {"2001:4860:0000:2001:0000:0000:0000:0068", IP{0x20, 0x01, 0x48, 0x60, 0, 0, 0x20, 0x01, 0, 0, 0, 0, 0, 0, 0x00, 0x68}}, 29 30 {"127.0.0.256", nil}, 31 {"abc", nil}, 32 {"123:", nil}, 33 {"fe80::1%lo0", nil}, 34 {"fe80::1%911", nil}, 35 {"", nil}, 36 {"a1:a2:a3:a4::b1:b2:b3:b4", nil}, // Issue 6628 37 } 38 39 func TestParseIP(t *testing.T) { 40 for _, tt := range parseIPTests { 41 if out := ParseIP(tt.in); !reflect.DeepEqual(out, tt.out) { 42 t.Errorf("ParseIP(%q) = %v, want %v", tt.in, out, tt.out) 43 } 44 if tt.in == "" { 45 // Tested in TestMarshalEmptyIP below. 46 continue 47 } 48 var out IP 49 if err := out.UnmarshalText([]byte(tt.in)); !reflect.DeepEqual(out, tt.out) || (tt.out == nil) != (err != nil) { 50 t.Errorf("IP.UnmarshalText(%q) = %v, %v, want %v", tt.in, out, err, tt.out) 51 } 52 } 53 } 54 55 func BenchmarkParseIP(b *testing.B) { 56 for i := 0; i < b.N; i++ { 57 for _, tt := range parseIPTests { 58 ParseIP(tt.in) 59 } 60 } 61 } 62 63 // Issue 6339 64 func TestMarshalEmptyIP(t *testing.T) { 65 for _, in := range [][]byte{nil, []byte("")} { 66 var out = IP{1, 2, 3, 4} 67 if err := out.UnmarshalText(in); err != nil || out != nil { 68 t.Errorf("UnmarshalText(%v) = %v, %v; want nil, nil", in, out, err) 69 } 70 } 71 var ip IP 72 got, err := ip.MarshalText() 73 if err != nil { 74 t.Fatal(err) 75 } 76 if !reflect.DeepEqual(got, []byte("")) { 77 t.Errorf(`got %#v, want []byte("")`, got) 78 } 79 } 80 81 var ipStringTests = []struct { 82 in IP 83 out string // see RFC 5952 84 }{ 85 {IP{0x20, 0x1, 0xd, 0xb8, 0, 0, 0, 0, 0, 0, 0x1, 0x23, 0, 0x12, 0, 0x1}, "2001:db8::123:12:1"}, 86 {IP{0x20, 0x1, 0xd, 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x1}, "2001:db8::1"}, 87 {IP{0x20, 0x1, 0xd, 0xb8, 0, 0, 0, 0x1, 0, 0, 0, 0x1, 0, 0, 0, 0x1}, "2001:db8:0:1:0:1:0:1"}, 88 {IP{0x20, 0x1, 0xd, 0xb8, 0, 0x1, 0, 0, 0, 0x1, 0, 0, 0, 0x1, 0, 0}, "2001:db8:1:0:1:0:1:0"}, 89 {IP{0x20, 0x1, 0, 0, 0, 0, 0, 0, 0, 0x1, 0, 0, 0, 0, 0, 0x1}, "2001::1:0:0:1"}, 90 {IP{0x20, 0x1, 0xd, 0xb8, 0, 0, 0, 0, 0, 0x1, 0, 0, 0, 0, 0, 0}, "2001:db8:0:0:1::"}, 91 {IP{0x20, 0x1, 0xd, 0xb8, 0, 0, 0, 0, 0, 0x1, 0, 0, 0, 0, 0, 0x1}, "2001:db8::1:0:0:1"}, 92 {IP{0x20, 0x1, 0xD, 0xB8, 0, 0, 0, 0, 0, 0xA, 0, 0xB, 0, 0xC, 0, 0xD}, "2001:db8::a:b:c:d"}, 93 {IPv4(192, 168, 0, 1), "192.168.0.1"}, 94 {nil, ""}, 95 } 96 97 func TestIPString(t *testing.T) { 98 for _, tt := range ipStringTests { 99 if tt.in != nil { 100 if out := tt.in.String(); out != tt.out { 101 t.Errorf("IP.String(%v) = %q, want %q", tt.in, out, tt.out) 102 } 103 } 104 if out, err := tt.in.MarshalText(); string(out) != tt.out || err != nil { 105 t.Errorf("IP.MarshalText(%v) = %q, %v, want %q, nil", tt.in, out, err, tt.out) 106 } 107 } 108 } 109 110 func BenchmarkIPString(b *testing.B) { 111 for i := 0; i < b.N; i++ { 112 for _, tt := range ipStringTests { 113 if tt.in != nil { 114 tt.in.String() 115 } 116 } 117 } 118 } 119 120 var ipMaskTests = []struct { 121 in IP 122 mask IPMask 123 out IP 124 }{ 125 {IPv4(192, 168, 1, 127), IPv4Mask(255, 255, 255, 128), IPv4(192, 168, 1, 0)}, 126 {IPv4(192, 168, 1, 127), IPMask(ParseIP("255.255.255.192")), IPv4(192, 168, 1, 64)}, 127 {IPv4(192, 168, 1, 127), IPMask(ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffe0")), IPv4(192, 168, 1, 96)}, 128 {IPv4(192, 168, 1, 127), IPv4Mask(255, 0, 255, 0), IPv4(192, 0, 1, 0)}, 129 {ParseIP("2001:db8::1"), IPMask(ParseIP("ffff:ff80::")), ParseIP("2001:d80::")}, 130 {ParseIP("2001:db8::1"), IPMask(ParseIP("f0f0:0f0f::")), ParseIP("2000:d08::")}, 131 } 132 133 func TestIPMask(t *testing.T) { 134 for _, tt := range ipMaskTests { 135 if out := tt.in.Mask(tt.mask); out == nil || !tt.out.Equal(out) { 136 t.Errorf("IP(%v).Mask(%v) = %v, want %v", tt.in, tt.mask, out, tt.out) 137 } 138 } 139 } 140 141 var ipMaskStringTests = []struct { 142 in IPMask 143 out string 144 }{ 145 {IPv4Mask(255, 255, 255, 240), "fffffff0"}, 146 {IPv4Mask(255, 0, 128, 0), "ff008000"}, 147 {IPMask(ParseIP("ffff:ff80::")), "ffffff80000000000000000000000000"}, 148 {IPMask(ParseIP("ef00:ff80::cafe:0")), "ef00ff800000000000000000cafe0000"}, 149 {nil, "<nil>"}, 150 } 151 152 func TestIPMaskString(t *testing.T) { 153 for _, tt := range ipMaskStringTests { 154 if out := tt.in.String(); out != tt.out { 155 t.Errorf("IPMask.String(%v) = %q, want %q", tt.in, out, tt.out) 156 } 157 } 158 } 159 160 func BenchmarkIPMaskString(b *testing.B) { 161 for i := 0; i < b.N; i++ { 162 for _, tt := range ipMaskStringTests { 163 tt.in.String() 164 } 165 } 166 } 167 168 var parseCIDRTests = []struct { 169 in string 170 ip IP 171 net *IPNet 172 err error 173 }{ 174 {"135.104.0.0/32", IPv4(135, 104, 0, 0), &IPNet{IP: IPv4(135, 104, 0, 0), Mask: IPv4Mask(255, 255, 255, 255)}, nil}, 175 {"0.0.0.0/24", IPv4(0, 0, 0, 0), &IPNet{IP: IPv4(0, 0, 0, 0), Mask: IPv4Mask(255, 255, 255, 0)}, nil}, 176 {"135.104.0.0/24", IPv4(135, 104, 0, 0), &IPNet{IP: IPv4(135, 104, 0, 0), Mask: IPv4Mask(255, 255, 255, 0)}, nil}, 177 {"135.104.0.1/32", IPv4(135, 104, 0, 1), &IPNet{IP: IPv4(135, 104, 0, 1), Mask: IPv4Mask(255, 255, 255, 255)}, nil}, 178 {"135.104.0.1/24", IPv4(135, 104, 0, 1), &IPNet{IP: IPv4(135, 104, 0, 0), Mask: IPv4Mask(255, 255, 255, 0)}, nil}, 179 {"::1/128", ParseIP("::1"), &IPNet{IP: ParseIP("::1"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"))}, nil}, 180 {"abcd:2345::/127", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe"))}, nil}, 181 {"abcd:2345::/65", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff:8000::"))}, nil}, 182 {"abcd:2345::/64", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff::"))}, nil}, 183 {"abcd:2345::/63", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:fffe::"))}, nil}, 184 {"abcd:2345::/33", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff:8000::"))}, nil}, 185 {"abcd:2345::/32", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff::"))}, nil}, 186 {"abcd:2344::/31", ParseIP("abcd:2344::"), &IPNet{IP: ParseIP("abcd:2344::"), Mask: IPMask(ParseIP("ffff:fffe::"))}, nil}, 187 {"abcd:2300::/24", ParseIP("abcd:2300::"), &IPNet{IP: ParseIP("abcd:2300::"), Mask: IPMask(ParseIP("ffff:ff00::"))}, nil}, 188 {"abcd:2345::/24", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2300::"), Mask: IPMask(ParseIP("ffff:ff00::"))}, nil}, 189 {"2001:DB8::/48", ParseIP("2001:DB8::"), &IPNet{IP: ParseIP("2001:DB8::"), Mask: IPMask(ParseIP("ffff:ffff:ffff::"))}, nil}, 190 {"2001:DB8::1/48", ParseIP("2001:DB8::1"), &IPNet{IP: ParseIP("2001:DB8::"), Mask: IPMask(ParseIP("ffff:ffff:ffff::"))}, nil}, 191 {"192.168.1.1/255.255.255.0", nil, nil, &ParseError{"CIDR address", "192.168.1.1/255.255.255.0"}}, 192 {"192.168.1.1/35", nil, nil, &ParseError{"CIDR address", "192.168.1.1/35"}}, 193 {"2001:db8::1/-1", nil, nil, &ParseError{"CIDR address", "2001:db8::1/-1"}}, 194 {"", nil, nil, &ParseError{"CIDR address", ""}}, 195 } 196 197 func TestParseCIDR(t *testing.T) { 198 for _, tt := range parseCIDRTests { 199 ip, net, err := ParseCIDR(tt.in) 200 if !reflect.DeepEqual(err, tt.err) { 201 t.Errorf("ParseCIDR(%q) = %v, %v; want %v, %v", tt.in, ip, net, tt.ip, tt.net) 202 } 203 if err == nil && (!tt.ip.Equal(ip) || !tt.net.IP.Equal(net.IP) || !reflect.DeepEqual(net.Mask, tt.net.Mask)) { 204 t.Errorf("ParseCIDR(%q) = %v, {%v, %v}; want %v, {%v, %v}", tt.in, ip, net.IP, net.Mask, tt.ip, tt.net.IP, tt.net.Mask) 205 } 206 } 207 } 208 209 var ipNetContainsTests = []struct { 210 ip IP 211 net *IPNet 212 ok bool 213 }{ 214 {IPv4(172, 16, 1, 1), &IPNet{IP: IPv4(172, 16, 0, 0), Mask: CIDRMask(12, 32)}, true}, 215 {IPv4(172, 24, 0, 1), &IPNet{IP: IPv4(172, 16, 0, 0), Mask: CIDRMask(13, 32)}, false}, 216 {IPv4(192, 168, 0, 3), &IPNet{IP: IPv4(192, 168, 0, 0), Mask: IPv4Mask(0, 0, 255, 252)}, true}, 217 {IPv4(192, 168, 0, 4), &IPNet{IP: IPv4(192, 168, 0, 0), Mask: IPv4Mask(0, 255, 0, 252)}, false}, 218 {ParseIP("2001:db8:1:2::1"), &IPNet{IP: ParseIP("2001:db8:1::"), Mask: CIDRMask(47, 128)}, true}, 219 {ParseIP("2001:db8:1:2::1"), &IPNet{IP: ParseIP("2001:db8:2::"), Mask: CIDRMask(47, 128)}, false}, 220 {ParseIP("2001:db8:1:2::1"), &IPNet{IP: ParseIP("2001:db8:1::"), Mask: IPMask(ParseIP("ffff:0:ffff::"))}, true}, 221 {ParseIP("2001:db8:1:2::1"), &IPNet{IP: ParseIP("2001:db8:1::"), Mask: IPMask(ParseIP("0:0:0:ffff::"))}, false}, 222 } 223 224 func TestIPNetContains(t *testing.T) { 225 for _, tt := range ipNetContainsTests { 226 if ok := tt.net.Contains(tt.ip); ok != tt.ok { 227 t.Errorf("IPNet(%v).Contains(%v) = %v, want %v", tt.net, tt.ip, ok, tt.ok) 228 } 229 } 230 } 231 232 var ipNetStringTests = []struct { 233 in *IPNet 234 out string 235 }{ 236 {&IPNet{IP: IPv4(192, 168, 1, 0), Mask: CIDRMask(26, 32)}, "192.168.1.0/26"}, 237 {&IPNet{IP: IPv4(192, 168, 1, 0), Mask: IPv4Mask(255, 0, 255, 0)}, "192.168.1.0/ff00ff00"}, 238 {&IPNet{IP: ParseIP("2001:db8::"), Mask: CIDRMask(55, 128)}, "2001:db8::/55"}, 239 {&IPNet{IP: ParseIP("2001:db8::"), Mask: IPMask(ParseIP("8000:f123:0:cafe::"))}, "2001:db8::/8000f1230000cafe0000000000000000"}, 240 } 241 242 func TestIPNetString(t *testing.T) { 243 for _, tt := range ipNetStringTests { 244 if out := tt.in.String(); out != tt.out { 245 t.Errorf("IPNet.String(%v) = %q, want %q", tt.in, out, tt.out) 246 } 247 } 248 } 249 250 var cidrMaskTests = []struct { 251 ones int 252 bits int 253 out IPMask 254 }{ 255 {0, 32, IPv4Mask(0, 0, 0, 0)}, 256 {12, 32, IPv4Mask(255, 240, 0, 0)}, 257 {24, 32, IPv4Mask(255, 255, 255, 0)}, 258 {32, 32, IPv4Mask(255, 255, 255, 255)}, 259 {0, 128, IPMask{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, 260 {4, 128, IPMask{0xf0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, 261 {48, 128, IPMask{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, 262 {128, 128, IPMask{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}}, 263 {33, 32, nil}, 264 {32, 33, nil}, 265 {-1, 128, nil}, 266 {128, -1, nil}, 267 } 268 269 func TestCIDRMask(t *testing.T) { 270 for _, tt := range cidrMaskTests { 271 if out := CIDRMask(tt.ones, tt.bits); !reflect.DeepEqual(out, tt.out) { 272 t.Errorf("CIDRMask(%v, %v) = %v, want %v", tt.ones, tt.bits, out, tt.out) 273 } 274 } 275 } 276 277 var ( 278 v4addr = IP{192, 168, 0, 1} 279 v4mappedv6addr = IP{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff, 192, 168, 0, 1} 280 v6addr = IP{0x20, 0x1, 0xd, 0xb8, 0, 0, 0, 0, 0, 0, 0x1, 0x23, 0, 0x12, 0, 0x1} 281 v4mask = IPMask{255, 255, 255, 0} 282 v4mappedv6mask = IPMask{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 255, 255, 255, 0} 283 v6mask = IPMask{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0} 284 badaddr = IP{192, 168, 0} 285 badmask = IPMask{255, 255, 0} 286 v4maskzero = IPMask{0, 0, 0, 0} 287 ) 288 289 var networkNumberAndMaskTests = []struct { 290 in IPNet 291 out IPNet 292 }{ 293 {IPNet{IP: v4addr, Mask: v4mask}, IPNet{IP: v4addr, Mask: v4mask}}, 294 {IPNet{IP: v4addr, Mask: v4mappedv6mask}, IPNet{IP: v4addr, Mask: v4mask}}, 295 {IPNet{IP: v4mappedv6addr, Mask: v4mappedv6mask}, IPNet{IP: v4addr, Mask: v4mask}}, 296 {IPNet{IP: v4mappedv6addr, Mask: v6mask}, IPNet{IP: v4addr, Mask: v4maskzero}}, 297 {IPNet{IP: v4addr, Mask: v6mask}, IPNet{IP: v4addr, Mask: v4maskzero}}, 298 {IPNet{IP: v6addr, Mask: v6mask}, IPNet{IP: v6addr, Mask: v6mask}}, 299 {IPNet{IP: v6addr, Mask: v4mappedv6mask}, IPNet{IP: v6addr, Mask: v4mappedv6mask}}, 300 {in: IPNet{IP: v6addr, Mask: v4mask}}, 301 {in: IPNet{IP: v4addr, Mask: badmask}}, 302 {in: IPNet{IP: v4mappedv6addr, Mask: badmask}}, 303 {in: IPNet{IP: v6addr, Mask: badmask}}, 304 {in: IPNet{IP: badaddr, Mask: v4mask}}, 305 {in: IPNet{IP: badaddr, Mask: v4mappedv6mask}}, 306 {in: IPNet{IP: badaddr, Mask: v6mask}}, 307 {in: IPNet{IP: badaddr, Mask: badmask}}, 308 } 309 310 func TestNetworkNumberAndMask(t *testing.T) { 311 for _, tt := range networkNumberAndMaskTests { 312 ip, m := networkNumberAndMask(&tt.in) 313 out := &IPNet{IP: ip, Mask: m} 314 if !reflect.DeepEqual(&tt.out, out) { 315 t.Errorf("networkNumberAndMask(%v) = %v, want %v", tt.in, out, &tt.out) 316 } 317 } 318 } 319 320 var splitJoinTests = []struct { 321 host string 322 port string 323 join string 324 }{ 325 {"www.google.com", "80", "www.google.com:80"}, 326 {"127.0.0.1", "1234", "127.0.0.1:1234"}, 327 {"::1", "80", "[::1]:80"}, 328 {"fe80::1%lo0", "80", "[fe80::1%lo0]:80"}, 329 {"localhost%lo0", "80", "[localhost%lo0]:80"}, 330 {"", "0", ":0"}, 331 332 {"google.com", "https%foo", "google.com:https%foo"}, // Go 1.0 behavior 333 {"127.0.0.1", "", "127.0.0.1:"}, // Go 1.0 behaviour 334 {"www.google.com", "", "www.google.com:"}, // Go 1.0 behaviour 335 } 336 337 var splitFailureTests = []struct { 338 hostPort string 339 err string 340 }{ 341 {"www.google.com", "missing port in address"}, 342 {"127.0.0.1", "missing port in address"}, 343 {"[::1]", "missing port in address"}, 344 {"[fe80::1%lo0]", "missing port in address"}, 345 {"[localhost%lo0]", "missing port in address"}, 346 {"localhost%lo0", "missing port in address"}, 347 348 {"::1", "too many colons in address"}, 349 {"fe80::1%lo0", "too many colons in address"}, 350 {"fe80::1%lo0:80", "too many colons in address"}, 351 352 {"localhost%lo0:80", "missing brackets in address"}, 353 354 // Test cases that didn't fail in Go 1.0 355 356 {"[foo:bar]", "missing port in address"}, 357 {"[foo:bar]baz", "missing port in address"}, 358 {"[foo]bar:baz", "missing port in address"}, 359 360 {"[foo]:[bar]:baz", "too many colons in address"}, 361 362 {"[foo]:[bar]baz", "unexpected '[' in address"}, 363 {"foo[bar]:baz", "unexpected '[' in address"}, 364 365 {"foo]bar:baz", "unexpected ']' in address"}, 366 } 367 368 func TestSplitHostPort(t *testing.T) { 369 for _, tt := range splitJoinTests { 370 if host, port, err := SplitHostPort(tt.join); host != tt.host || port != tt.port || err != nil { 371 t.Errorf("SplitHostPort(%q) = %q, %q, %v; want %q, %q, nil", tt.join, host, port, err, tt.host, tt.port) 372 } 373 } 374 for _, tt := range splitFailureTests { 375 if _, _, err := SplitHostPort(tt.hostPort); err == nil { 376 t.Errorf("SplitHostPort(%q) should have failed", tt.hostPort) 377 } else { 378 e := err.(*AddrError) 379 if e.Err != tt.err { 380 t.Errorf("SplitHostPort(%q) = _, _, %q; want %q", tt.hostPort, e.Err, tt.err) 381 } 382 } 383 } 384 } 385 386 func TestJoinHostPort(t *testing.T) { 387 for _, tt := range splitJoinTests { 388 if join := JoinHostPort(tt.host, tt.port); join != tt.join { 389 t.Errorf("JoinHostPort(%q, %q) = %q; want %q", tt.host, tt.port, join, tt.join) 390 } 391 } 392 } 393 394 var ipAddrFamilyTests = []struct { 395 in IP 396 af4 bool 397 af6 bool 398 }{ 399 {IPv4bcast, true, false}, 400 {IPv4allsys, true, false}, 401 {IPv4allrouter, true, false}, 402 {IPv4zero, true, false}, 403 {IPv4(224, 0, 0, 1), true, false}, 404 {IPv4(127, 0, 0, 1), true, false}, 405 {IPv4(240, 0, 0, 1), true, false}, 406 {IPv6unspecified, false, true}, 407 {IPv6loopback, false, true}, 408 {IPv6interfacelocalallnodes, false, true}, 409 {IPv6linklocalallnodes, false, true}, 410 {IPv6linklocalallrouters, false, true}, 411 {ParseIP("ff05::a:b:c:d"), false, true}, 412 {ParseIP("fe80::1:2:3:4"), false, true}, 413 {ParseIP("2001:db8::123:12:1"), false, true}, 414 } 415 416 func TestIPAddrFamily(t *testing.T) { 417 for _, tt := range ipAddrFamilyTests { 418 if af := tt.in.To4() != nil; af != tt.af4 { 419 t.Errorf("verifying IPv4 address family for %q = %v, want %v", tt.in, af, tt.af4) 420 } 421 if af := len(tt.in) == IPv6len && tt.in.To4() == nil; af != tt.af6 { 422 t.Errorf("verifying IPv6 address family for %q = %v, want %v", tt.in, af, tt.af6) 423 } 424 } 425 } 426 427 var ipAddrScopeTests = []struct { 428 scope func(IP) bool 429 in IP 430 ok bool 431 }{ 432 {IP.IsUnspecified, IPv4zero, true}, 433 {IP.IsUnspecified, IPv4(127, 0, 0, 1), false}, 434 {IP.IsUnspecified, IPv6unspecified, true}, 435 {IP.IsUnspecified, IPv6interfacelocalallnodes, false}, 436 {IP.IsLoopback, IPv4(127, 0, 0, 1), true}, 437 {IP.IsLoopback, IPv4(127, 255, 255, 254), true}, 438 {IP.IsLoopback, IPv4(128, 1, 2, 3), false}, 439 {IP.IsLoopback, IPv6loopback, true}, 440 {IP.IsLoopback, IPv6linklocalallrouters, false}, 441 {IP.IsMulticast, IPv4(224, 0, 0, 0), true}, 442 {IP.IsMulticast, IPv4(239, 0, 0, 0), true}, 443 {IP.IsMulticast, IPv4(240, 0, 0, 0), false}, 444 {IP.IsMulticast, IPv6linklocalallnodes, true}, 445 {IP.IsMulticast, IP{0xff, 0x05, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, true}, 446 {IP.IsMulticast, IP{0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false}, 447 {IP.IsLinkLocalMulticast, IPv4(224, 0, 0, 0), true}, 448 {IP.IsLinkLocalMulticast, IPv4(239, 0, 0, 0), false}, 449 {IP.IsLinkLocalMulticast, IPv6linklocalallrouters, true}, 450 {IP.IsLinkLocalMulticast, IP{0xff, 0x05, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false}, 451 {IP.IsLinkLocalUnicast, IPv4(169, 254, 0, 0), true}, 452 {IP.IsLinkLocalUnicast, IPv4(169, 255, 0, 0), false}, 453 {IP.IsLinkLocalUnicast, IP{0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, true}, 454 {IP.IsLinkLocalUnicast, IP{0xfe, 0xc0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false}, 455 {IP.IsGlobalUnicast, IPv4(240, 0, 0, 0), true}, 456 {IP.IsGlobalUnicast, IPv4(232, 0, 0, 0), false}, 457 {IP.IsGlobalUnicast, IPv4(169, 254, 0, 0), false}, 458 {IP.IsGlobalUnicast, IP{0x20, 0x1, 0xd, 0xb8, 0, 0, 0, 0, 0, 0, 0x1, 0x23, 0, 0x12, 0, 0x1}, true}, 459 {IP.IsGlobalUnicast, IP{0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false}, 460 {IP.IsGlobalUnicast, IP{0xff, 0x05, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false}, 461 } 462 463 func name(f interface{}) string { 464 return runtime.FuncForPC(reflect.ValueOf(f).Pointer()).Name() 465 } 466 467 func TestIPAddrScope(t *testing.T) { 468 for _, tt := range ipAddrScopeTests { 469 if ok := tt.scope(tt.in); ok != tt.ok { 470 t.Errorf("%s(%q) = %v, want %v", name(tt.scope), tt.in, ok, tt.ok) 471 } 472 } 473 }