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// 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 (
"testing"
)
func isEqual(a, b IP) bool {
if a == nil && b == nil {
return true
}
if a == nil || b == nil || len(a) != len(b) {
return false
}
for i := 0; i < len(a); i++ {
if a[i] != b[i] {
return false
}
}
return true
}
type parseIPTest struct {
in string
out IP
}
var parseiptests = []parseIPTest{
{"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},
{"::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)},
}
func TestParseIP(t *testing.T) {
for i := 0; i < len(parseiptests); i++ {
tt := parseiptests[i]
if out := ParseIP(tt.in); !isEqual(out, tt.out) {
t.Errorf("ParseIP(%#q) = %v, want %v", tt.in, out, tt.out)
}
}
}
type ipStringTest struct {
in IP
out string
}
var ipstringtests = []ipStringTest{
// cf. RFC 5952 (A Recommendation for IPv6 Address Text Representation)
{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"},
}
func TestIPString(t *testing.T) {
for i := 0; i < len(ipstringtests); i++ {
tt := ipstringtests[i]
if out := tt.in.String(); out != tt.out {
t.Errorf("IP.String(%v) = %#q, want %#q", tt.in, out, tt.out)
}
}
}
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