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extnetip_test.go
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extnetip_test.go
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package extnetip_test
import (
"net/netip"
"reflect"
"testing"
"github.com/gaissmai/extnetip"
)
var (
mpa = netip.MustParseAddr
mpp = netip.MustParsePrefix
)
func pfxSlice(pfxStrs ...string) (out []netip.Prefix) {
for _, s := range pfxStrs {
out = append(out, mpp(s))
}
return
}
func TestRange(t *testing.T) {
t.Parallel()
tests := []struct {
in netip.Prefix
first netip.Addr
last netip.Addr
}{
{
netip.Prefix{},
netip.Addr{},
netip.Addr{},
},
{
mpp("0.0.0.0/0"),
mpa("0.0.0.0"),
mpa("255.255.255.255"),
},
{
mpp("10.0.0.0/8"),
mpa("10.0.0.0"),
mpa("10.255.255.255"),
},
{
mpp("172.16.0.0/12"),
mpa("172.16.0.0"),
mpa("172.31.255.255"),
},
{
mpp("::ffff:0.0.0.0/96"),
mpa("::ffff:0.0.0.0"),
mpa("::ffff:255.255.255.255"),
},
{
mpp("::/0"),
mpa("::"),
mpa("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"),
},
{
mpp("fe80::/10"),
mpa("fe80::"),
mpa("febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff"),
},
}
for _, tt := range tests {
first, last := extnetip.Range(tt.in)
if first != tt.first {
t.Fatalf("Range(%s), got first: %s, expected: %s", tt.in, first, tt.first)
}
if last != tt.last {
t.Fatalf("Range(%s), got last: %s, expected: %s", tt.in, last, tt.last)
}
}
}
func TestPrefix(t *testing.T) {
t.Parallel()
tests := []struct {
ip1 netip.Addr
ip2 netip.Addr
p netip.Prefix
ok bool
}{
{
netip.Addr{},
netip.Addr{},
netip.Prefix{},
false,
},
{
mpa("0.0.0.0"), // wrong versions
mpa("::"),
netip.Prefix{},
false,
},
{
mpa("0.0.0.1"), // wrong order
mpa("0.0.0.0"),
netip.Prefix{},
false,
},
{
mpa("0.0.0.0"),
mpa("0.0.0.0"),
mpp("0.0.0.0/32"),
true,
},
{
mpa("::"),
mpa("::"),
mpp("::/128"),
true,
},
{
mpa("0.0.0.0"),
mpa("0.0.0.5"),
netip.Prefix{},
false,
},
{
mpa("::"),
mpa("::5"),
netip.Prefix{},
false,
},
{
mpa("0.0.0.0"),
mpa("0.0.0.3"),
mpp("0.0.0.0/30"),
true,
},
{
mpa("0.0.0.0"),
mpa("255.255.255.255"),
mpp("0.0.0.0/0"),
true,
},
{
mpa("10.0.0.0"),
mpa("10.255.255.255"),
mpp("10.0.0.0/8"),
true,
},
{
mpa("172.16.0.0"),
mpa("172.31.255.255"),
mpp("172.16.0.0/12"),
true,
},
{
mpa("::ffff:0.0.0.0"),
mpa("::ffff:255.255.255.255"),
mpp("::ffff:0.0.0.0/96"),
true,
},
{
mpa("::"),
mpa("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"),
mpp("::/0"),
true,
},
{
mpa("fe80::"),
mpa("febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff"),
mpp("fe80::/10"),
true,
},
}
for _, tt := range tests {
p, ok := extnetip.Prefix(tt.ip1, tt.ip2)
if ok != tt.ok {
t.Fatalf("Prefix(%s, %s), got ok: %v, expected: %v", tt.ip1, tt.ip2, ok, tt.ok)
}
if p != tt.p {
t.Fatalf("Prefix(%s, %s), got prefix: %s, expected: %s", tt.ip1, tt.ip2, p, tt.p)
}
}
}
func TestAll(t *testing.T) {
t.Parallel()
tests := []struct {
first netip.Addr
last netip.Addr
want []netip.Prefix
}{
{netip.Addr{}, netip.Addr{}, nil}, // invalid addrs
{mpa("0.0.0.1"), mpa("0.0.0.0"), nil}, // wrong order
{mpa("0.0.0.1"), mpa("::1"), nil}, // wrong versions
{mpa("0.0.0.1"), mpa("::ffff:1.2.3.4"), nil}, // wrong versions
{mpa("0.0.0.0"), mpa("255.255.255.255"), pfxSlice("0.0.0.0/0")},
{mpa("::"), mpa("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"), pfxSlice("::/0")},
{mpa("::ffff:0.0.0.0"), mpa("::ffff:255.255.255.255"), pfxSlice("::ffff:0.0.0.0/96")},
{mpa("10.0.0.0"), mpa("10.255.255.255"), pfxSlice("10.0.0.0/8")},
{mpa("10.0.0.0"), mpa("10.127.255.255"), pfxSlice("10.0.0.0/9")},
{mpa("0.0.0.4"), mpa("0.0.0.11"), pfxSlice("0.0.0.4/30", "0.0.0.8/30")},
{mpa("10.0.0.0"), mpa("11.10.255.255"), pfxSlice("10.0.0.0/8", "11.0.0.0/13", "11.8.0.0/15", "11.10.0.0/16")},
{mpa("fe80::"), mpa("fe80::8"), pfxSlice("fe80::/125", "fe80::8/128")},
{mpa("0.0.0.1"), mpa("255.255.255.254"), pfxSlice(
"0.0.0.1/32",
"0.0.0.2/31",
"0.0.0.4/30",
"0.0.0.8/29",
"0.0.0.16/28",
"0.0.0.32/27",
"0.0.0.64/26",
"0.0.0.128/25",
"0.0.1.0/24",
"0.0.2.0/23",
"0.0.4.0/22",
"0.0.8.0/21",
"0.0.16.0/20",
"0.0.32.0/19",
"0.0.64.0/18",
"0.0.128.0/17",
"0.1.0.0/16",
"0.2.0.0/15",
"0.4.0.0/14",
"0.8.0.0/13",
"0.16.0.0/12",
"0.32.0.0/11",
"0.64.0.0/10",
"0.128.0.0/9",
"1.0.0.0/8",
"2.0.0.0/7",
"4.0.0.0/6",
"8.0.0.0/5",
"16.0.0.0/4",
"32.0.0.0/3",
"64.0.0.0/2",
"128.0.0.0/2",
"192.0.0.0/3",
"224.0.0.0/4",
"240.0.0.0/5",
"248.0.0.0/6",
"252.0.0.0/7",
"254.0.0.0/8",
"255.0.0.0/9",
"255.128.0.0/10",
"255.192.0.0/11",
"255.224.0.0/12",
"255.240.0.0/13",
"255.248.0.0/14",
"255.252.0.0/15",
"255.254.0.0/16",
"255.255.0.0/17",
"255.255.128.0/18",
"255.255.192.0/19",
"255.255.224.0/20",
"255.255.240.0/21",
"255.255.248.0/22",
"255.255.252.0/23",
"255.255.254.0/24",
"255.255.255.0/25",
"255.255.255.128/26",
"255.255.255.192/27",
"255.255.255.224/28",
"255.255.255.240/29",
"255.255.255.248/30",
"255.255.255.252/31",
"255.255.255.254/32",
)},
{mpa("::1"), mpa("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe"), pfxSlice(
"::1/128",
"::2/127",
"::4/126",
"::8/125",
"::10/124",
"::20/123",
"::40/122",
"::80/121",
"::100/120",
"::200/119",
"::400/118",
"::800/117",
"::1000/116",
"::2000/115",
"::4000/114",
"::8000/113",
"::1:0/112",
"::2:0/111",
"::4:0/110",
"::8:0/109",
"::10:0/108",
"::20:0/107",
"::40:0/106",
"::80:0/105",
"::100:0/104",
"::200:0/103",
"::400:0/102",
"::800:0/101",
"::1000:0/100",
"::2000:0/99",
"::4000:0/98",
"::8000:0/97",
"::1:0:0/96",
"::2:0:0/95",
"::4:0:0/94",
"::8:0:0/93",
"::10:0:0/92",
"::20:0:0/91",
"::40:0:0/90",
"::80:0:0/89",
"::100:0:0/88",
"::200:0:0/87",
"::400:0:0/86",
"::800:0:0/85",
"::1000:0:0/84",
"::2000:0:0/83",
"::4000:0:0/82",
"::8000:0:0/81",
"::1:0:0:0/80",
"::2:0:0:0/79",
"::4:0:0:0/78",
"::8:0:0:0/77",
"::10:0:0:0/76",
"::20:0:0:0/75",
"::40:0:0:0/74",
"::80:0:0:0/73",
"::100:0:0:0/72",
"::200:0:0:0/71",
"::400:0:0:0/70",
"::800:0:0:0/69",
"::1000:0:0:0/68",
"::2000:0:0:0/67",
"::4000:0:0:0/66",
"::8000:0:0:0/65",
"0:0:0:1::/64",
"0:0:0:2::/63",
"0:0:0:4::/62",
"0:0:0:8::/61",
"0:0:0:10::/60",
"0:0:0:20::/59",
"0:0:0:40::/58",
"0:0:0:80::/57",
"0:0:0:100::/56",
"0:0:0:200::/55",
"0:0:0:400::/54",
"0:0:0:800::/53",
"0:0:0:1000::/52",
"0:0:0:2000::/51",
"0:0:0:4000::/50",
"0:0:0:8000::/49",
"0:0:1::/48",
"0:0:2::/47",
"0:0:4::/46",
"0:0:8::/45",
"0:0:10::/44",
"0:0:20::/43",
"0:0:40::/42",
"0:0:80::/41",
"0:0:100::/40",
"0:0:200::/39",
"0:0:400::/38",
"0:0:800::/37",
"0:0:1000::/36",
"0:0:2000::/35",
"0:0:4000::/34",
"0:0:8000::/33",
"0:1::/32",
"0:2::/31",
"0:4::/30",
"0:8::/29",
"0:10::/28",
"0:20::/27",
"0:40::/26",
"0:80::/25",
"0:100::/24",
"0:200::/23",
"0:400::/22",
"0:800::/21",
"0:1000::/20",
"0:2000::/19",
"0:4000::/18",
"0:8000::/17",
"1::/16",
"2::/15",
"4::/14",
"8::/13",
"10::/12",
"20::/11",
"40::/10",
"80::/9",
"100::/8",
"200::/7",
"400::/6",
"800::/5",
"1000::/4",
"2000::/3",
"4000::/2",
"8000::/2",
"c000::/3",
"e000::/4",
"f000::/5",
"f800::/6",
"fc00::/7",
"fe00::/8",
"ff00::/9",
"ff80::/10",
"ffc0::/11",
"ffe0::/12",
"fff0::/13",
"fff8::/14",
"fffc::/15",
"fffe::/16",
"ffff::/17",
"ffff:8000::/18",
"ffff:c000::/19",
"ffff:e000::/20",
"ffff:f000::/21",
"ffff:f800::/22",
"ffff:fc00::/23",
"ffff:fe00::/24",
"ffff:ff00::/25",
"ffff:ff80::/26",
"ffff:ffc0::/27",
"ffff:ffe0::/28",
"ffff:fff0::/29",
"ffff:fff8::/30",
"ffff:fffc::/31",
"ffff:fffe::/32",
"ffff:ffff::/33",
"ffff:ffff:8000::/34",
"ffff:ffff:c000::/35",
"ffff:ffff:e000::/36",
"ffff:ffff:f000::/37",
"ffff:ffff:f800::/38",
"ffff:ffff:fc00::/39",
"ffff:ffff:fe00::/40",
"ffff:ffff:ff00::/41",
"ffff:ffff:ff80::/42",
"ffff:ffff:ffc0::/43",
"ffff:ffff:ffe0::/44",
"ffff:ffff:fff0::/45",
"ffff:ffff:fff8::/46",
"ffff:ffff:fffc::/47",
"ffff:ffff:fffe::/48",
"ffff:ffff:ffff::/49",
"ffff:ffff:ffff:8000::/50",
"ffff:ffff:ffff:c000::/51",
"ffff:ffff:ffff:e000::/52",
"ffff:ffff:ffff:f000::/53",
"ffff:ffff:ffff:f800::/54",
"ffff:ffff:ffff:fc00::/55",
"ffff:ffff:ffff:fe00::/56",
"ffff:ffff:ffff:ff00::/57",
"ffff:ffff:ffff:ff80::/58",
"ffff:ffff:ffff:ffc0::/59",
"ffff:ffff:ffff:ffe0::/60",
"ffff:ffff:ffff:fff0::/61",
"ffff:ffff:ffff:fff8::/62",
"ffff:ffff:ffff:fffc::/63",
"ffff:ffff:ffff:fffe::/64",
"ffff:ffff:ffff:ffff::/65",
"ffff:ffff:ffff:ffff:8000::/66",
"ffff:ffff:ffff:ffff:c000::/67",
"ffff:ffff:ffff:ffff:e000::/68",
"ffff:ffff:ffff:ffff:f000::/69",
"ffff:ffff:ffff:ffff:f800::/70",
"ffff:ffff:ffff:ffff:fc00::/71",
"ffff:ffff:ffff:ffff:fe00::/72",
"ffff:ffff:ffff:ffff:ff00::/73",
"ffff:ffff:ffff:ffff:ff80::/74",
"ffff:ffff:ffff:ffff:ffc0::/75",
"ffff:ffff:ffff:ffff:ffe0::/76",
"ffff:ffff:ffff:ffff:fff0::/77",
"ffff:ffff:ffff:ffff:fff8::/78",
"ffff:ffff:ffff:ffff:fffc::/79",
"ffff:ffff:ffff:ffff:fffe::/80",
"ffff:ffff:ffff:ffff:ffff::/81",
"ffff:ffff:ffff:ffff:ffff:8000::/82",
"ffff:ffff:ffff:ffff:ffff:c000::/83",
"ffff:ffff:ffff:ffff:ffff:e000::/84",
"ffff:ffff:ffff:ffff:ffff:f000::/85",
"ffff:ffff:ffff:ffff:ffff:f800::/86",
"ffff:ffff:ffff:ffff:ffff:fc00::/87",
"ffff:ffff:ffff:ffff:ffff:fe00::/88",
"ffff:ffff:ffff:ffff:ffff:ff00::/89",
"ffff:ffff:ffff:ffff:ffff:ff80::/90",
"ffff:ffff:ffff:ffff:ffff:ffc0::/91",
"ffff:ffff:ffff:ffff:ffff:ffe0::/92",
"ffff:ffff:ffff:ffff:ffff:fff0::/93",
"ffff:ffff:ffff:ffff:ffff:fff8::/94",
"ffff:ffff:ffff:ffff:ffff:fffc::/95",
"ffff:ffff:ffff:ffff:ffff:fffe::/96",
"ffff:ffff:ffff:ffff:ffff:ffff::/97",
"ffff:ffff:ffff:ffff:ffff:ffff:8000:0/98",
"ffff:ffff:ffff:ffff:ffff:ffff:c000:0/99",
"ffff:ffff:ffff:ffff:ffff:ffff:e000:0/100",
"ffff:ffff:ffff:ffff:ffff:ffff:f000:0/101",
"ffff:ffff:ffff:ffff:ffff:ffff:f800:0/102",
"ffff:ffff:ffff:ffff:ffff:ffff:fc00:0/103",
"ffff:ffff:ffff:ffff:ffff:ffff:fe00:0/104",
"ffff:ffff:ffff:ffff:ffff:ffff:ff00:0/105",
"ffff:ffff:ffff:ffff:ffff:ffff:ff80:0/106",
"ffff:ffff:ffff:ffff:ffff:ffff:ffc0:0/107",
"ffff:ffff:ffff:ffff:ffff:ffff:ffe0:0/108",
"ffff:ffff:ffff:ffff:ffff:ffff:fff0:0/109",
"ffff:ffff:ffff:ffff:ffff:ffff:fff8:0/110",
"ffff:ffff:ffff:ffff:ffff:ffff:fffc:0/111",
"ffff:ffff:ffff:ffff:ffff:ffff:fffe:0/112",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:0/113",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:8000/114",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:c000/115",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:e000/116",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:f000/117",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:f800/118",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:fc00/119",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:fe00/120",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff00/121",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff80/122",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffc0/123",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffe0/124",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff0/125",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff8/126",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffc/127",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe/128",
)},
}
for _, tt := range tests {
var got []netip.Prefix
iterFunc := extnetip.All(tt.first, tt.last)
iterFunc(func(pfx netip.Prefix) bool {
got = append(got, pfx)
return true
})
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("failed %s->%s. got:", tt.first, tt.last)
for _, v := range got {
t.Errorf(" %v", v)
}
t.Error("want:\n")
for _, v := range tt.want {
t.Errorf(" %v", v)
}
}
}
}
func TestPrefixes(t *testing.T) {
t.Parallel()
tests := []struct {
first netip.Addr
last netip.Addr
want []netip.Prefix
}{
{netip.Addr{}, netip.Addr{}, nil}, // invalid addrs
{mpa("0.0.0.1"), mpa("0.0.0.0"), nil}, // wrong order
{mpa("0.0.0.1"), mpa("::1"), nil}, // wrong versions
{mpa("0.0.0.1"), mpa("::ffff:1.2.3.4"), nil}, // wrong versions
{mpa("0.0.0.0"), mpa("255.255.255.255"), pfxSlice("0.0.0.0/0")},
{mpa("::"), mpa("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"), pfxSlice("::/0")},
{mpa("::ffff:0.0.0.0"), mpa("::ffff:255.255.255.255"), pfxSlice("::ffff:0.0.0.0/96")},
{mpa("10.0.0.0"), mpa("10.255.255.255"), pfxSlice("10.0.0.0/8")},
{mpa("10.0.0.0"), mpa("10.127.255.255"), pfxSlice("10.0.0.0/9")},
{mpa("0.0.0.4"), mpa("0.0.0.11"), pfxSlice("0.0.0.4/30", "0.0.0.8/30")},
{mpa("10.0.0.0"), mpa("11.10.255.255"), pfxSlice("10.0.0.0/8", "11.0.0.0/13", "11.8.0.0/15", "11.10.0.0/16")},
{mpa("fe80::"), mpa("fe80::8"), pfxSlice("fe80::/125", "fe80::8/128")},
{mpa("0.0.0.1"), mpa("255.255.255.254"), pfxSlice(
"0.0.0.1/32",
"0.0.0.2/31",
"0.0.0.4/30",
"0.0.0.8/29",
"0.0.0.16/28",
"0.0.0.32/27",
"0.0.0.64/26",
"0.0.0.128/25",
"0.0.1.0/24",
"0.0.2.0/23",
"0.0.4.0/22",
"0.0.8.0/21",
"0.0.16.0/20",
"0.0.32.0/19",
"0.0.64.0/18",
"0.0.128.0/17",
"0.1.0.0/16",
"0.2.0.0/15",
"0.4.0.0/14",
"0.8.0.0/13",
"0.16.0.0/12",
"0.32.0.0/11",
"0.64.0.0/10",
"0.128.0.0/9",
"1.0.0.0/8",
"2.0.0.0/7",
"4.0.0.0/6",
"8.0.0.0/5",
"16.0.0.0/4",
"32.0.0.0/3",
"64.0.0.0/2",
"128.0.0.0/2",
"192.0.0.0/3",
"224.0.0.0/4",
"240.0.0.0/5",
"248.0.0.0/6",
"252.0.0.0/7",
"254.0.0.0/8",
"255.0.0.0/9",
"255.128.0.0/10",
"255.192.0.0/11",
"255.224.0.0/12",
"255.240.0.0/13",
"255.248.0.0/14",
"255.252.0.0/15",
"255.254.0.0/16",
"255.255.0.0/17",
"255.255.128.0/18",
"255.255.192.0/19",
"255.255.224.0/20",
"255.255.240.0/21",
"255.255.248.0/22",
"255.255.252.0/23",
"255.255.254.0/24",
"255.255.255.0/25",
"255.255.255.128/26",
"255.255.255.192/27",
"255.255.255.224/28",
"255.255.255.240/29",
"255.255.255.248/30",
"255.255.255.252/31",
"255.255.255.254/32",
)},
{mpa("::1"), mpa("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe"), pfxSlice(
"::1/128",
"::2/127",
"::4/126",
"::8/125",
"::10/124",
"::20/123",
"::40/122",
"::80/121",
"::100/120",
"::200/119",
"::400/118",
"::800/117",
"::1000/116",
"::2000/115",
"::4000/114",
"::8000/113",
"::1:0/112",
"::2:0/111",
"::4:0/110",
"::8:0/109",
"::10:0/108",
"::20:0/107",
"::40:0/106",
"::80:0/105",
"::100:0/104",
"::200:0/103",
"::400:0/102",
"::800:0/101",
"::1000:0/100",
"::2000:0/99",
"::4000:0/98",
"::8000:0/97",
"::1:0:0/96",
"::2:0:0/95",
"::4:0:0/94",
"::8:0:0/93",
"::10:0:0/92",
"::20:0:0/91",
"::40:0:0/90",
"::80:0:0/89",
"::100:0:0/88",
"::200:0:0/87",
"::400:0:0/86",
"::800:0:0/85",
"::1000:0:0/84",
"::2000:0:0/83",
"::4000:0:0/82",
"::8000:0:0/81",
"::1:0:0:0/80",
"::2:0:0:0/79",
"::4:0:0:0/78",
"::8:0:0:0/77",
"::10:0:0:0/76",
"::20:0:0:0/75",
"::40:0:0:0/74",
"::80:0:0:0/73",
"::100:0:0:0/72",
"::200:0:0:0/71",
"::400:0:0:0/70",
"::800:0:0:0/69",
"::1000:0:0:0/68",
"::2000:0:0:0/67",
"::4000:0:0:0/66",
"::8000:0:0:0/65",
"0:0:0:1::/64",
"0:0:0:2::/63",
"0:0:0:4::/62",
"0:0:0:8::/61",
"0:0:0:10::/60",
"0:0:0:20::/59",
"0:0:0:40::/58",
"0:0:0:80::/57",
"0:0:0:100::/56",
"0:0:0:200::/55",
"0:0:0:400::/54",
"0:0:0:800::/53",
"0:0:0:1000::/52",
"0:0:0:2000::/51",
"0:0:0:4000::/50",
"0:0:0:8000::/49",
"0:0:1::/48",
"0:0:2::/47",
"0:0:4::/46",
"0:0:8::/45",
"0:0:10::/44",
"0:0:20::/43",
"0:0:40::/42",
"0:0:80::/41",
"0:0:100::/40",
"0:0:200::/39",
"0:0:400::/38",
"0:0:800::/37",
"0:0:1000::/36",
"0:0:2000::/35",
"0:0:4000::/34",
"0:0:8000::/33",
"0:1::/32",
"0:2::/31",
"0:4::/30",
"0:8::/29",
"0:10::/28",
"0:20::/27",
"0:40::/26",
"0:80::/25",
"0:100::/24",
"0:200::/23",
"0:400::/22",
"0:800::/21",
"0:1000::/20",
"0:2000::/19",
"0:4000::/18",
"0:8000::/17",
"1::/16",
"2::/15",
"4::/14",
"8::/13",
"10::/12",
"20::/11",
"40::/10",
"80::/9",
"100::/8",
"200::/7",
"400::/6",
"800::/5",
"1000::/4",
"2000::/3",
"4000::/2",
"8000::/2",
"c000::/3",
"e000::/4",
"f000::/5",
"f800::/6",
"fc00::/7",
"fe00::/8",
"ff00::/9",
"ff80::/10",
"ffc0::/11",
"ffe0::/12",
"fff0::/13",
"fff8::/14",
"fffc::/15",
"fffe::/16",
"ffff::/17",
"ffff:8000::/18",
"ffff:c000::/19",
"ffff:e000::/20",
"ffff:f000::/21",
"ffff:f800::/22",
"ffff:fc00::/23",
"ffff:fe00::/24",
"ffff:ff00::/25",
"ffff:ff80::/26",
"ffff:ffc0::/27",
"ffff:ffe0::/28",
"ffff:fff0::/29",
"ffff:fff8::/30",
"ffff:fffc::/31",
"ffff:fffe::/32",
"ffff:ffff::/33",
"ffff:ffff:8000::/34",
"ffff:ffff:c000::/35",
"ffff:ffff:e000::/36",
"ffff:ffff:f000::/37",
"ffff:ffff:f800::/38",
"ffff:ffff:fc00::/39",
"ffff:ffff:fe00::/40",
"ffff:ffff:ff00::/41",
"ffff:ffff:ff80::/42",
"ffff:ffff:ffc0::/43",
"ffff:ffff:ffe0::/44",
"ffff:ffff:fff0::/45",
"ffff:ffff:fff8::/46",
"ffff:ffff:fffc::/47",
"ffff:ffff:fffe::/48",
"ffff:ffff:ffff::/49",
"ffff:ffff:ffff:8000::/50",
"ffff:ffff:ffff:c000::/51",
"ffff:ffff:ffff:e000::/52",
"ffff:ffff:ffff:f000::/53",
"ffff:ffff:ffff:f800::/54",
"ffff:ffff:ffff:fc00::/55",
"ffff:ffff:ffff:fe00::/56",
"ffff:ffff:ffff:ff00::/57",
"ffff:ffff:ffff:ff80::/58",
"ffff:ffff:ffff:ffc0::/59",
"ffff:ffff:ffff:ffe0::/60",
"ffff:ffff:ffff:fff0::/61",
"ffff:ffff:ffff:fff8::/62",
"ffff:ffff:ffff:fffc::/63",
"ffff:ffff:ffff:fffe::/64",
"ffff:ffff:ffff:ffff::/65",
"ffff:ffff:ffff:ffff:8000::/66",
"ffff:ffff:ffff:ffff:c000::/67",
"ffff:ffff:ffff:ffff:e000::/68",
"ffff:ffff:ffff:ffff:f000::/69",
"ffff:ffff:ffff:ffff:f800::/70",
"ffff:ffff:ffff:ffff:fc00::/71",
"ffff:ffff:ffff:ffff:fe00::/72",
"ffff:ffff:ffff:ffff:ff00::/73",
"ffff:ffff:ffff:ffff:ff80::/74",
"ffff:ffff:ffff:ffff:ffc0::/75",
"ffff:ffff:ffff:ffff:ffe0::/76",
"ffff:ffff:ffff:ffff:fff0::/77",
"ffff:ffff:ffff:ffff:fff8::/78",
"ffff:ffff:ffff:ffff:fffc::/79",
"ffff:ffff:ffff:ffff:fffe::/80",
"ffff:ffff:ffff:ffff:ffff::/81",
"ffff:ffff:ffff:ffff:ffff:8000::/82",
"ffff:ffff:ffff:ffff:ffff:c000::/83",
"ffff:ffff:ffff:ffff:ffff:e000::/84",
"ffff:ffff:ffff:ffff:ffff:f000::/85",
"ffff:ffff:ffff:ffff:ffff:f800::/86",
"ffff:ffff:ffff:ffff:ffff:fc00::/87",
"ffff:ffff:ffff:ffff:ffff:fe00::/88",
"ffff:ffff:ffff:ffff:ffff:ff00::/89",
"ffff:ffff:ffff:ffff:ffff:ff80::/90",
"ffff:ffff:ffff:ffff:ffff:ffc0::/91",
"ffff:ffff:ffff:ffff:ffff:ffe0::/92",
"ffff:ffff:ffff:ffff:ffff:fff0::/93",
"ffff:ffff:ffff:ffff:ffff:fff8::/94",
"ffff:ffff:ffff:ffff:ffff:fffc::/95",
"ffff:ffff:ffff:ffff:ffff:fffe::/96",
"ffff:ffff:ffff:ffff:ffff:ffff::/97",
"ffff:ffff:ffff:ffff:ffff:ffff:8000:0/98",
"ffff:ffff:ffff:ffff:ffff:ffff:c000:0/99",
"ffff:ffff:ffff:ffff:ffff:ffff:e000:0/100",
"ffff:ffff:ffff:ffff:ffff:ffff:f000:0/101",
"ffff:ffff:ffff:ffff:ffff:ffff:f800:0/102",
"ffff:ffff:ffff:ffff:ffff:ffff:fc00:0/103",
"ffff:ffff:ffff:ffff:ffff:ffff:fe00:0/104",
"ffff:ffff:ffff:ffff:ffff:ffff:ff00:0/105",
"ffff:ffff:ffff:ffff:ffff:ffff:ff80:0/106",
"ffff:ffff:ffff:ffff:ffff:ffff:ffc0:0/107",
"ffff:ffff:ffff:ffff:ffff:ffff:ffe0:0/108",
"ffff:ffff:ffff:ffff:ffff:ffff:fff0:0/109",
"ffff:ffff:ffff:ffff:ffff:ffff:fff8:0/110",
"ffff:ffff:ffff:ffff:ffff:ffff:fffc:0/111",
"ffff:ffff:ffff:ffff:ffff:ffff:fffe:0/112",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:0/113",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:8000/114",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:c000/115",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:e000/116",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:f000/117",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:f800/118",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:fc00/119",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:fe00/120",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff00/121",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff80/122",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffc0/123",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffe0/124",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff0/125",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:fff8/126",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffc/127",
"ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe/128",
)},
}
for _, tt := range tests {
got := extnetip.Prefixes(tt.first, tt.last)
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("failed %s->%s. got:", tt.first, tt.last)
for _, v := range got {
t.Errorf(" %v", v)
}
t.Error("want:\n")
for _, v := range tt.want {
t.Errorf(" %v", v)
}
}
}
}