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go/src/net/ipraw_test.go
Mikio Hara 7b5d536786 net: ensure that ResolveIPAddr(addr.String()) reproduces addr
Updates #6465.

Change-Id: I5babbcf4c92dae47c823a41628b01e4ceb2332eb
Reviewed-on: https://go-review.googlesource.com/11951
Run-TryBot: Mikio Hara <mikioh.mikioh@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2015-07-10 06:51:55 +00:00

117 lines
3.0 KiB
Go

// 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"
"testing"
)
// The full stack test cases for IPConn have been moved to the
// following:
// golang.org/x/net/ipv4
// golang.org/x/net/ipv6
// golang.org/x/net/icmp
type resolveIPAddrTest struct {
network string
litAddrOrName string
addr *IPAddr
err error
}
var resolveIPAddrTests = []resolveIPAddrTest{
{"ip", "127.0.0.1", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
{"ip4", "127.0.0.1", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
{"ip4:icmp", "127.0.0.1", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil},
{"ip", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
{"ip6", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
{"ip6:ipv6-icmp", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
{"ip6:IPv6-ICMP", "::1", &IPAddr{IP: ParseIP("::1")}, nil},
{"ip", "::1%en0", &IPAddr{IP: ParseIP("::1"), Zone: "en0"}, nil},
{"ip6", "::1%911", &IPAddr{IP: ParseIP("::1"), Zone: "911"}, nil},
{"", "127.0.0.1", &IPAddr{IP: IPv4(127, 0, 0, 1)}, nil}, // Go 1.0 behavior
{"", "::1", &IPAddr{IP: ParseIP("::1")}, nil}, // Go 1.0 behavior
{"ip4:icmp", "", &IPAddr{}, nil},
{"l2tp", "127.0.0.1", nil, UnknownNetworkError("l2tp")},
{"l2tp:gre", "127.0.0.1", nil, UnknownNetworkError("l2tp:gre")},
{"tcp", "1.2.3.4:123", nil, UnknownNetworkError("tcp")},
}
func TestResolveIPAddr(t *testing.T) {
if !testableNetwork("ip+nopriv") {
t.Skip("ip+nopriv test")
}
origTestHookLookupIP := testHookLookupIP
defer func() { testHookLookupIP = origTestHookLookupIP }()
testHookLookupIP = lookupLocalhost
for i, tt := range resolveIPAddrTests {
addr, err := ResolveIPAddr(tt.network, tt.litAddrOrName)
if err != tt.err {
t.Errorf("#%d: %v", i, err)
} else if !reflect.DeepEqual(addr, tt.addr) {
t.Errorf("#%d: got %#v; want %#v", i, addr, tt.addr)
}
if err != nil {
continue
}
rtaddr, err := ResolveIPAddr(addr.Network(), addr.String())
if err != nil {
t.Errorf("#%d: %v", i, err)
} else if !reflect.DeepEqual(rtaddr, addr) {
t.Errorf("#%d: got %#v; want %#v", i, rtaddr, addr)
}
}
}
var ipConnLocalNameTests = []struct {
net string
laddr *IPAddr
}{
{"ip4:icmp", &IPAddr{IP: IPv4(127, 0, 0, 1)}},
{"ip4:icmp", &IPAddr{}},
{"ip4:icmp", nil},
}
func TestIPConnLocalName(t *testing.T) {
for _, tt := range ipConnLocalNameTests {
if !testableNetwork(tt.net) {
t.Logf("skipping %s test", tt.net)
continue
}
c, err := ListenIP(tt.net, tt.laddr)
if err != nil {
t.Fatal(err)
}
defer c.Close()
if la := c.LocalAddr(); la == nil {
t.Fatal("should not fail")
}
}
}
func TestIPConnRemoteName(t *testing.T) {
if !testableNetwork("ip:tcp") {
t.Skip("ip:tcp test")
}
raddr := &IPAddr{IP: IPv4(127, 0, 0, 1).To4()}
c, err := DialIP("ip:tcp", &IPAddr{IP: IPv4(127, 0, 0, 1)}, raddr)
if err != nil {
t.Fatal(err)
}
defer c.Close()
if !reflect.DeepEqual(raddr, c.RemoteAddr()) {
t.Fatalf("got %#v; want %#v", c.RemoteAddr(), raddr)
}
}