diff options
Diffstat (limited to 'src/net/ip_test.go')
| -rw-r--r-- | src/net/ip_test.go | 465 |
1 files changed, 465 insertions, 0 deletions
diff --git a/src/net/ip_test.go b/src/net/ip_test.go new file mode 100644 index 000000000..485ff5115 --- /dev/null +++ b/src/net/ip_test.go @@ -0,0 +1,465 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package net + +import ( + "reflect" + "runtime" + "testing" +) + +var parseIPTests = []struct { + in string + out IP +}{ + {"127.0.1.2", IPv4(127, 0, 1, 2)}, + {"127.0.0.1", IPv4(127, 0, 0, 1)}, + {"127.0.0.256", nil}, + {"abc", nil}, + {"123:", nil}, + {"::ffff:127.0.0.1", IPv4(127, 0, 0, 1)}, + {"2001:4860:0:2001::68", IP{0x20, 0x01, 0x48, 0x60, 0, 0, 0x20, 0x01, 0, 0, 0, 0, 0, 0, 0x00, 0x68}}, + {"::ffff:4a7d:1363", IPv4(74, 125, 19, 99)}, + {"fe80::1%lo0", nil}, + {"fe80::1%911", nil}, + {"", nil}, + {"a1:a2:a3:a4::b1:b2:b3:b4", nil}, // Issue 6628 +} + +func TestParseIP(t *testing.T) { + for _, tt := range parseIPTests { + if out := ParseIP(tt.in); !reflect.DeepEqual(out, tt.out) { + t.Errorf("ParseIP(%q) = %v, want %v", tt.in, out, tt.out) + } + if tt.in == "" { + // Tested in TestMarshalEmptyIP below. + continue + } + var out IP + if err := out.UnmarshalText([]byte(tt.in)); !reflect.DeepEqual(out, tt.out) || (tt.out == nil) != (err != nil) { + t.Errorf("IP.UnmarshalText(%q) = %v, %v, want %v", tt.in, out, err, tt.out) + } + } +} + +func BenchmarkParseIP(b *testing.B) { + for i := 0; i < b.N; i++ { + for _, tt := range parseIPTests { + ParseIP(tt.in) + } + } +} + +// Issue 6339 +func TestMarshalEmptyIP(t *testing.T) { + for _, in := range [][]byte{nil, []byte("")} { + var out = IP{1, 2, 3, 4} + if err := out.UnmarshalText(in); err != nil || out != nil { + t.Errorf("UnmarshalText(%v) = %v, %v; want nil, nil", in, out, err) + } + } + var ip IP + got, err := ip.MarshalText() + if err != nil { + t.Fatal(err) + } + if !reflect.DeepEqual(got, []byte("")) { + t.Errorf(`got %#v, want []byte("")`, got) + } +} + +var ipStringTests = []struct { + in IP + out string // see RFC 5952 +}{ + {IP{0x20, 0x1, 0xd, 0xb8, 0, 0, 0, 0, 0, 0, 0x1, 0x23, 0, 0x12, 0, 0x1}, "2001:db8::123:12:1"}, + {IP{0x20, 0x1, 0xd, 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x1}, "2001:db8::1"}, + {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"}, + {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"}, + {IP{0x20, 0x1, 0, 0, 0, 0, 0, 0, 0, 0x1, 0, 0, 0, 0, 0, 0x1}, "2001::1:0:0:1"}, + {IP{0x20, 0x1, 0xd, 0xb8, 0, 0, 0, 0, 0, 0x1, 0, 0, 0, 0, 0, 0}, "2001:db8:0:0:1::"}, + {IP{0x20, 0x1, 0xd, 0xb8, 0, 0, 0, 0, 0, 0x1, 0, 0, 0, 0, 0, 0x1}, "2001:db8::1:0:0:1"}, + {IP{0x20, 0x1, 0xD, 0xB8, 0, 0, 0, 0, 0, 0xA, 0, 0xB, 0, 0xC, 0, 0xD}, "2001:db8::a:b:c:d"}, + {IPv4(192, 168, 0, 1), "192.168.0.1"}, + {nil, ""}, +} + +func TestIPString(t *testing.T) { + for _, tt := range ipStringTests { + if tt.in != nil { + if out := tt.in.String(); out != tt.out { + t.Errorf("IP.String(%v) = %q, want %q", tt.in, out, tt.out) + } + } + if out, err := tt.in.MarshalText(); string(out) != tt.out || err != nil { + t.Errorf("IP.MarshalText(%v) = %q, %v, want %q, nil", tt.in, out, err, tt.out) + } + } +} + +func BenchmarkIPString(b *testing.B) { + for i := 0; i < b.N; i++ { + for _, tt := range ipStringTests { + if tt.in != nil { + tt.in.String() + } + } + } +} + +var ipMaskTests = []struct { + in IP + mask IPMask + out IP +}{ + {IPv4(192, 168, 1, 127), IPv4Mask(255, 255, 255, 128), IPv4(192, 168, 1, 0)}, + {IPv4(192, 168, 1, 127), IPMask(ParseIP("255.255.255.192")), IPv4(192, 168, 1, 64)}, + {IPv4(192, 168, 1, 127), IPMask(ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffe0")), IPv4(192, 168, 1, 96)}, + {IPv4(192, 168, 1, 127), IPv4Mask(255, 0, 255, 0), IPv4(192, 0, 1, 0)}, + {ParseIP("2001:db8::1"), IPMask(ParseIP("ffff:ff80::")), ParseIP("2001:d80::")}, + {ParseIP("2001:db8::1"), IPMask(ParseIP("f0f0:0f0f::")), ParseIP("2000:d08::")}, +} + +func TestIPMask(t *testing.T) { + for _, tt := range ipMaskTests { + if out := tt.in.Mask(tt.mask); out == nil || !tt.out.Equal(out) { + t.Errorf("IP(%v).Mask(%v) = %v, want %v", tt.in, tt.mask, out, tt.out) + } + } +} + +var ipMaskStringTests = []struct { + in IPMask + out string +}{ + {IPv4Mask(255, 255, 255, 240), "fffffff0"}, + {IPv4Mask(255, 0, 128, 0), "ff008000"}, + {IPMask(ParseIP("ffff:ff80::")), "ffffff80000000000000000000000000"}, + {IPMask(ParseIP("ef00:ff80::cafe:0")), "ef00ff800000000000000000cafe0000"}, + {nil, "<nil>"}, +} + +func TestIPMaskString(t *testing.T) { + for _, tt := range ipMaskStringTests { + if out := tt.in.String(); out != tt.out { + t.Errorf("IPMask.String(%v) = %q, want %q", tt.in, out, tt.out) + } + } +} + +func BenchmarkIPMaskString(b *testing.B) { + for i := 0; i < b.N; i++ { + for _, tt := range ipMaskStringTests { + tt.in.String() + } + } +} + +var parseCIDRTests = []struct { + in string + ip IP + net *IPNet + err error +}{ + {"135.104.0.0/32", IPv4(135, 104, 0, 0), &IPNet{IP: IPv4(135, 104, 0, 0), Mask: IPv4Mask(255, 255, 255, 255)}, nil}, + {"0.0.0.0/24", IPv4(0, 0, 0, 0), &IPNet{IP: IPv4(0, 0, 0, 0), Mask: IPv4Mask(255, 255, 255, 0)}, nil}, + {"135.104.0.0/24", IPv4(135, 104, 0, 0), &IPNet{IP: IPv4(135, 104, 0, 0), Mask: IPv4Mask(255, 255, 255, 0)}, nil}, + {"135.104.0.1/32", IPv4(135, 104, 0, 1), &IPNet{IP: IPv4(135, 104, 0, 1), Mask: IPv4Mask(255, 255, 255, 255)}, nil}, + {"135.104.0.1/24", IPv4(135, 104, 0, 1), &IPNet{IP: IPv4(135, 104, 0, 0), Mask: IPv4Mask(255, 255, 255, 0)}, nil}, + {"::1/128", ParseIP("::1"), &IPNet{IP: ParseIP("::1"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"))}, nil}, + {"abcd:2345::/127", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe"))}, nil}, + {"abcd:2345::/65", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff:8000::"))}, nil}, + {"abcd:2345::/64", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:ffff::"))}, nil}, + {"abcd:2345::/63", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff:ffff:fffe::"))}, nil}, + {"abcd:2345::/33", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff:8000::"))}, nil}, + {"abcd:2345::/32", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2345::"), Mask: IPMask(ParseIP("ffff:ffff::"))}, nil}, + {"abcd:2344::/31", ParseIP("abcd:2344::"), &IPNet{IP: ParseIP("abcd:2344::"), Mask: IPMask(ParseIP("ffff:fffe::"))}, nil}, + {"abcd:2300::/24", ParseIP("abcd:2300::"), &IPNet{IP: ParseIP("abcd:2300::"), Mask: IPMask(ParseIP("ffff:ff00::"))}, nil}, + {"abcd:2345::/24", ParseIP("abcd:2345::"), &IPNet{IP: ParseIP("abcd:2300::"), Mask: IPMask(ParseIP("ffff:ff00::"))}, nil}, + {"2001:DB8::/48", ParseIP("2001:DB8::"), &IPNet{IP: ParseIP("2001:DB8::"), Mask: IPMask(ParseIP("ffff:ffff:ffff::"))}, nil}, + {"2001:DB8::1/48", ParseIP("2001:DB8::1"), &IPNet{IP: ParseIP("2001:DB8::"), Mask: IPMask(ParseIP("ffff:ffff:ffff::"))}, nil}, + {"192.168.1.1/255.255.255.0", nil, nil, &ParseError{"CIDR address", "192.168.1.1/255.255.255.0"}}, + {"192.168.1.1/35", nil, nil, &ParseError{"CIDR address", "192.168.1.1/35"}}, + {"2001:db8::1/-1", nil, nil, &ParseError{"CIDR address", "2001:db8::1/-1"}}, + {"", nil, nil, &ParseError{"CIDR address", ""}}, +} + +func TestParseCIDR(t *testing.T) { + for _, tt := range parseCIDRTests { + ip, net, err := ParseCIDR(tt.in) + if !reflect.DeepEqual(err, tt.err) { + t.Errorf("ParseCIDR(%q) = %v, %v; want %v, %v", tt.in, ip, net, tt.ip, tt.net) + } + if err == nil && (!tt.ip.Equal(ip) || !tt.net.IP.Equal(net.IP) || !reflect.DeepEqual(net.Mask, tt.net.Mask)) { + 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) + } + } +} + +var ipNetContainsTests = []struct { + ip IP + net *IPNet + ok bool +}{ + {IPv4(172, 16, 1, 1), &IPNet{IP: IPv4(172, 16, 0, 0), Mask: CIDRMask(12, 32)}, true}, + {IPv4(172, 24, 0, 1), &IPNet{IP: IPv4(172, 16, 0, 0), Mask: CIDRMask(13, 32)}, false}, + {IPv4(192, 168, 0, 3), &IPNet{IP: IPv4(192, 168, 0, 0), Mask: IPv4Mask(0, 0, 255, 252)}, true}, + {IPv4(192, 168, 0, 4), &IPNet{IP: IPv4(192, 168, 0, 0), Mask: IPv4Mask(0, 255, 0, 252)}, false}, + {ParseIP("2001:db8:1:2::1"), &IPNet{IP: ParseIP("2001:db8:1::"), Mask: CIDRMask(47, 128)}, true}, + {ParseIP("2001:db8:1:2::1"), &IPNet{IP: ParseIP("2001:db8:2::"), Mask: CIDRMask(47, 128)}, false}, + {ParseIP("2001:db8:1:2::1"), &IPNet{IP: ParseIP("2001:db8:1::"), Mask: IPMask(ParseIP("ffff:0:ffff::"))}, true}, + {ParseIP("2001:db8:1:2::1"), &IPNet{IP: ParseIP("2001:db8:1::"), Mask: IPMask(ParseIP("0:0:0:ffff::"))}, false}, +} + +func TestIPNetContains(t *testing.T) { + for _, tt := range ipNetContainsTests { + if ok := tt.net.Contains(tt.ip); ok != tt.ok { + t.Errorf("IPNet(%v).Contains(%v) = %v, want %v", tt.net, tt.ip, ok, tt.ok) + } + } +} + +var ipNetStringTests = []struct { + in *IPNet + out string +}{ + {&IPNet{IP: IPv4(192, 168, 1, 0), Mask: CIDRMask(26, 32)}, "192.168.1.0/26"}, + {&IPNet{IP: IPv4(192, 168, 1, 0), Mask: IPv4Mask(255, 0, 255, 0)}, "192.168.1.0/ff00ff00"}, + {&IPNet{IP: ParseIP("2001:db8::"), Mask: CIDRMask(55, 128)}, "2001:db8::/55"}, + {&IPNet{IP: ParseIP("2001:db8::"), Mask: IPMask(ParseIP("8000:f123:0:cafe::"))}, "2001:db8::/8000f1230000cafe0000000000000000"}, +} + +func TestIPNetString(t *testing.T) { + for _, tt := range ipNetStringTests { + if out := tt.in.String(); out != tt.out { + t.Errorf("IPNet.String(%v) = %q, want %q", tt.in, out, tt.out) + } + } +} + +var cidrMaskTests = []struct { + ones int + bits int + out IPMask +}{ + {0, 32, IPv4Mask(0, 0, 0, 0)}, + {12, 32, IPv4Mask(255, 240, 0, 0)}, + {24, 32, IPv4Mask(255, 255, 255, 0)}, + {32, 32, IPv4Mask(255, 255, 255, 255)}, + {0, 128, IPMask{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, + {4, 128, IPMask{0xf0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, + {48, 128, IPMask{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, + {128, 128, IPMask{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}}, + {33, 32, nil}, + {32, 33, nil}, + {-1, 128, nil}, + {128, -1, nil}, +} + +func TestCIDRMask(t *testing.T) { + for _, tt := range cidrMaskTests { + if out := CIDRMask(tt.ones, tt.bits); !reflect.DeepEqual(out, tt.out) { + t.Errorf("CIDRMask(%v, %v) = %v, want %v", tt.ones, tt.bits, out, tt.out) + } + } +} + +var ( + v4addr = IP{192, 168, 0, 1} + v4mappedv6addr = IP{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff, 192, 168, 0, 1} + v6addr = IP{0x20, 0x1, 0xd, 0xb8, 0, 0, 0, 0, 0, 0, 0x1, 0x23, 0, 0x12, 0, 0x1} + v4mask = IPMask{255, 255, 255, 0} + v4mappedv6mask = IPMask{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 255, 255, 255, 0} + v6mask = IPMask{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0} + badaddr = IP{192, 168, 0} + badmask = IPMask{255, 255, 0} + v4maskzero = IPMask{0, 0, 0, 0} +) + +var networkNumberAndMaskTests = []struct { + in IPNet + out IPNet +}{ + {IPNet{IP: v4addr, Mask: v4mask}, IPNet{IP: v4addr, Mask: v4mask}}, + {IPNet{IP: v4addr, Mask: v4mappedv6mask}, IPNet{IP: v4addr, Mask: v4mask}}, + {IPNet{IP: v4mappedv6addr, Mask: v4mappedv6mask}, IPNet{IP: v4addr, Mask: v4mask}}, + {IPNet{IP: v4mappedv6addr, Mask: v6mask}, IPNet{IP: v4addr, Mask: v4maskzero}}, + {IPNet{IP: v4addr, Mask: v6mask}, IPNet{IP: v4addr, Mask: v4maskzero}}, + {IPNet{IP: v6addr, Mask: v6mask}, IPNet{IP: v6addr, Mask: v6mask}}, + {IPNet{IP: v6addr, Mask: v4mappedv6mask}, IPNet{IP: v6addr, Mask: v4mappedv6mask}}, + {in: IPNet{IP: v6addr, Mask: v4mask}}, + {in: IPNet{IP: v4addr, Mask: badmask}}, + {in: IPNet{IP: v4mappedv6addr, Mask: badmask}}, + {in: IPNet{IP: v6addr, Mask: badmask}}, + {in: IPNet{IP: badaddr, Mask: v4mask}}, + {in: IPNet{IP: badaddr, Mask: v4mappedv6mask}}, + {in: IPNet{IP: badaddr, Mask: v6mask}}, + {in: IPNet{IP: badaddr, Mask: badmask}}, +} + +func TestNetworkNumberAndMask(t *testing.T) { + for _, tt := range networkNumberAndMaskTests { + ip, m := networkNumberAndMask(&tt.in) + out := &IPNet{IP: ip, Mask: m} + if !reflect.DeepEqual(&tt.out, out) { + t.Errorf("networkNumberAndMask(%v) = %v, want %v", tt.in, out, &tt.out) + } + } +} + +var splitJoinTests = []struct { + host string + port string + join string +}{ + {"www.google.com", "80", "www.google.com:80"}, + {"127.0.0.1", "1234", "127.0.0.1:1234"}, + {"::1", "80", "[::1]:80"}, + {"fe80::1%lo0", "80", "[fe80::1%lo0]:80"}, + {"localhost%lo0", "80", "[localhost%lo0]:80"}, + {"", "0", ":0"}, + + {"google.com", "https%foo", "google.com:https%foo"}, // Go 1.0 behavior + {"127.0.0.1", "", "127.0.0.1:"}, // Go 1.0 behaviour + {"www.google.com", "", "www.google.com:"}, // Go 1.0 behaviour +} + +var splitFailureTests = []struct { + hostPort string + err string +}{ + {"www.google.com", "missing port in address"}, + {"127.0.0.1", "missing port in address"}, + {"[::1]", "missing port in address"}, + {"[fe80::1%lo0]", "missing port in address"}, + {"[localhost%lo0]", "missing port in address"}, + {"localhost%lo0", "missing port in address"}, + + {"::1", "too many colons in address"}, + {"fe80::1%lo0", "too many colons in address"}, + {"fe80::1%lo0:80", "too many colons in address"}, + + {"localhost%lo0:80", "missing brackets in address"}, + + // Test cases that didn't fail in Go 1.0 + + {"[foo:bar]", "missing port in address"}, + {"[foo:bar]baz", "missing port in address"}, + {"[foo]bar:baz", "missing port in address"}, + + {"[foo]:[bar]:baz", "too many colons in address"}, + + {"[foo]:[bar]baz", "unexpected '[' in address"}, + {"foo[bar]:baz", "unexpected '[' in address"}, + + {"foo]bar:baz", "unexpected ']' in address"}, +} + +func TestSplitHostPort(t *testing.T) { + for _, tt := range splitJoinTests { + if host, port, err := SplitHostPort(tt.join); host != tt.host || port != tt.port || err != nil { + t.Errorf("SplitHostPort(%q) = %q, %q, %v; want %q, %q, nil", tt.join, host, port, err, tt.host, tt.port) + } + } + for _, tt := range splitFailureTests { + if _, _, err := SplitHostPort(tt.hostPort); err == nil { + t.Errorf("SplitHostPort(%q) should have failed", tt.hostPort) + } else { + e := err.(*AddrError) + if e.Err != tt.err { + t.Errorf("SplitHostPort(%q) = _, _, %q; want %q", tt.hostPort, e.Err, tt.err) + } + } + } +} + +func TestJoinHostPort(t *testing.T) { + for _, tt := range splitJoinTests { + if join := JoinHostPort(tt.host, tt.port); join != tt.join { + t.Errorf("JoinHostPort(%q, %q) = %q; want %q", tt.host, tt.port, join, tt.join) + } + } +} + +var ipAddrFamilyTests = []struct { + in IP + af4 bool + af6 bool +}{ + {IPv4bcast, true, false}, + {IPv4allsys, true, false}, + {IPv4allrouter, true, false}, + {IPv4zero, true, false}, + {IPv4(224, 0, 0, 1), true, false}, + {IPv4(127, 0, 0, 1), true, false}, + {IPv4(240, 0, 0, 1), true, false}, + {IPv6unspecified, false, true}, + {IPv6loopback, false, true}, + {IPv6interfacelocalallnodes, false, true}, + {IPv6linklocalallnodes, false, true}, + {IPv6linklocalallrouters, false, true}, + {ParseIP("ff05::a:b:c:d"), false, true}, + {ParseIP("fe80::1:2:3:4"), false, true}, + {ParseIP("2001:db8::123:12:1"), false, true}, +} + +func TestIPAddrFamily(t *testing.T) { + for _, tt := range ipAddrFamilyTests { + if af := tt.in.To4() != nil; af != tt.af4 { + t.Errorf("verifying IPv4 address family for %q = %v, want %v", tt.in, af, tt.af4) + } + if af := len(tt.in) == IPv6len && tt.in.To4() == nil; af != tt.af6 { + t.Errorf("verifying IPv6 address family for %q = %v, want %v", tt.in, af, tt.af6) + } + } +} + +var ipAddrScopeTests = []struct { + scope func(IP) bool + in IP + ok bool +}{ + {IP.IsUnspecified, IPv4zero, true}, + {IP.IsUnspecified, IPv4(127, 0, 0, 1), false}, + {IP.IsUnspecified, IPv6unspecified, true}, + {IP.IsUnspecified, IPv6interfacelocalallnodes, false}, + {IP.IsLoopback, IPv4(127, 0, 0, 1), true}, + {IP.IsLoopback, IPv4(127, 255, 255, 254), true}, + {IP.IsLoopback, IPv4(128, 1, 2, 3), false}, + {IP.IsLoopback, IPv6loopback, true}, + {IP.IsLoopback, IPv6linklocalallrouters, false}, + {IP.IsMulticast, IPv4(224, 0, 0, 0), true}, + {IP.IsMulticast, IPv4(239, 0, 0, 0), true}, + {IP.IsMulticast, IPv4(240, 0, 0, 0), false}, + {IP.IsMulticast, IPv6linklocalallnodes, true}, + {IP.IsMulticast, IP{0xff, 0x05, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, true}, + {IP.IsMulticast, IP{0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false}, + {IP.IsLinkLocalMulticast, IPv4(224, 0, 0, 0), true}, + {IP.IsLinkLocalMulticast, IPv4(239, 0, 0, 0), false}, + {IP.IsLinkLocalMulticast, IPv6linklocalallrouters, true}, + {IP.IsLinkLocalMulticast, IP{0xff, 0x05, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false}, + {IP.IsLinkLocalUnicast, IPv4(169, 254, 0, 0), true}, + {IP.IsLinkLocalUnicast, IPv4(169, 255, 0, 0), false}, + {IP.IsLinkLocalUnicast, IP{0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, true}, + {IP.IsLinkLocalUnicast, IP{0xfe, 0xc0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false}, + {IP.IsGlobalUnicast, IPv4(240, 0, 0, 0), true}, + {IP.IsGlobalUnicast, IPv4(232, 0, 0, 0), false}, + {IP.IsGlobalUnicast, IPv4(169, 254, 0, 0), false}, + {IP.IsGlobalUnicast, IP{0x20, 0x1, 0xd, 0xb8, 0, 0, 0, 0, 0, 0, 0x1, 0x23, 0, 0x12, 0, 0x1}, true}, + {IP.IsGlobalUnicast, IP{0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false}, + {IP.IsGlobalUnicast, IP{0xff, 0x05, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, false}, +} + +func name(f interface{}) string { + return runtime.FuncForPC(reflect.ValueOf(f).Pointer()).Name() +} + +func TestIPAddrScope(t *testing.T) { + for _, tt := range ipAddrScopeTests { + if ok := tt.scope(tt.in); ok != tt.ok { + t.Errorf("%s(%q) = %v, want %v", name(tt.scope), tt.in, ok, tt.ok) + } + } +} |