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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 (
"bytes"
"reflect"
"testing"
"os"
)
func isEqual(a, b []byte) bool {
if a == nil && b == nil {
return true
}
if a == nil || b == nil {
return false
}
return bytes.Equal(a, b)
}
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},
{"::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 _, tt := range parseiptests {
if out := ParseIP(tt.in); !isEqual(out, tt.out) {
t.Errorf("ParseIP(%#q) = %v, want %v", tt.in, out, tt.out)
}
}
}
var ipstringtests = []struct {
in IP
out string
}{
// 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 _, tt := range ipstringtests {
if out := tt.in.String(); out != tt.out {
t.Errorf("IP.String(%v) = %#q, want %#q", tt.in, out, tt.out)
}
}
}
var parsecidrtests = []struct {
in string
ip IP
mask IPMask
err os.Error
}{
{"135.104.0.0/32", IPv4(135, 104, 0, 0), IPv4Mask(255, 255, 255, 255), nil},
{"0.0.0.0/24", IPv4(0, 0, 0, 0), IPv4Mask(255, 255, 255, 0), nil},
{"135.104.0.0/24", IPv4(135, 104, 0, 0), IPv4Mask(255, 255, 255, 0), nil},
{"135.104.0.1/32", IPv4(135, 104, 0, 1), IPv4Mask(255, 255, 255, 255), nil},
{"135.104.0.1/24", nil, nil, &ParseError{"CIDR address", "135.104.0.1/24"}},
{"::1/128", ParseIP("::1"), IPMask(ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")), nil},
{"abcd:2345::/127", ParseIP("abcd:2345::"), IPMask(ParseIP("ffff:ffff:ffff:ffff:ffff:ffff:ffff:fffe")), nil},
{"abcd:2345::/65", ParseIP("abcd:2345::"), IPMask(ParseIP("ffff:ffff:ffff:ffff:8000::")), nil},
{"abcd:2345::/64", ParseIP("abcd:2345::"), IPMask(ParseIP("ffff:ffff:ffff:ffff::")), nil},
{"abcd:2345::/63", ParseIP("abcd:2345::"), IPMask(ParseIP("ffff:ffff:ffff:fffe::")), nil},
{"abcd:2345::/33", ParseIP("abcd:2345::"), IPMask(ParseIP("ffff:ffff:8000::")), nil},
{"abcd:2345::/32", ParseIP("abcd:2345::"), IPMask(ParseIP("ffff:ffff::")), nil},
{"abcd:2344::/31", ParseIP("abcd:2344::"), IPMask(ParseIP("ffff:fffe::")), nil},
{"abcd:2300::/24", ParseIP("abcd:2300::"), IPMask(ParseIP("ffff:ff00::")), nil},
{"abcd:2345::/24", nil, nil, &ParseError{"CIDR address", "abcd:2345::/24"}},
{"2001:DB8::/48", ParseIP("2001:DB8::"), IPMask(ParseIP("ffff:ffff:ffff::")), nil},
}
func TestParseCIDR(t *testing.T) {
for _, tt := range parsecidrtests {
if ip, mask, err := ParseCIDR(tt.in); !isEqual(ip, tt.ip) || !isEqual(mask, tt.mask) || !reflect.DeepEqual(err, tt.err) {
t.Errorf("ParseCIDR(%q) = %v, %v, %v; want %v, %v, %v", tt.in, ip, mask, err, tt.ip, tt.mask, tt.err)
}
}
}
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"},
}
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)
}
}
}
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)
}
}
}
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