// 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 ( "internal/testenv" "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")}, {"ip4", "2001:db8::1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "2001:db8::1"}}, {"ip4:icmp", "2001:db8::1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "2001:db8::1"}}, {"ip6", "127.0.0.1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "127.0.0.1"}}, {"ip6", "::ffff:127.0.0.1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "::ffff:127.0.0.1"}}, {"ip6:ipv6-icmp", "127.0.0.1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "127.0.0.1"}}, {"ip6:ipv6-icmp", "::ffff:127.0.0.1", nil, &AddrError{Err: errNoSuitableAddress.Error(), Addr: "::ffff:127.0.0.1"}}, } func TestResolveIPAddr(t *testing.T) { if !testableNetwork("ip+nopriv") { t.Skip("ip+nopriv test") } origTestHookLookupIP := testHookLookupIP defer func() { testHookLookupIP = origTestHookLookupIP }() testHookLookupIP = lookupLocalhost for _, tt := range resolveIPAddrTests { addr, err := ResolveIPAddr(tt.network, tt.litAddrOrName) if !reflect.DeepEqual(addr, tt.addr) || !reflect.DeepEqual(err, tt.err) { t.Errorf("ResolveIPAddr(%q, %q) = %#v, %v, want %#v, %v", tt.network, tt.litAddrOrName, addr, err, tt.addr, tt.err) continue } if err == nil { addr2, err := ResolveIPAddr(addr.Network(), addr.String()) if !reflect.DeepEqual(addr2, tt.addr) || err != tt.err { t.Errorf("(%q, %q): ResolveIPAddr(%q, %q) = %#v, %v, want %#v, %v", tt.network, tt.litAddrOrName, addr.Network(), addr.String(), addr2, err, tt.addr, tt.err) } } } } 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 testenv.SyscallIsNotSupported(err) { // May be inside a container that disallows creating a socket. t.Logf("skipping %s test: %v", tt.net, err) continue } else 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) { network := "ip:tcp" if !testableNetwork(network) { t.Skipf("skipping %s test", network) } raddr := &IPAddr{IP: IPv4(127, 0, 0, 1).To4()} c, err := DialIP(network, &IPAddr{IP: IPv4(127, 0, 0, 1)}, raddr) if testenv.SyscallIsNotSupported(err) { // May be inside a container that disallows creating a socket. t.Skipf("skipping %s test: %v", network, err) } else if err != nil { t.Fatal(err) } defer c.Close() if !reflect.DeepEqual(raddr, c.RemoteAddr()) { t.Fatalf("got %#v; want %#v", c.RemoteAddr(), raddr) } } func TestDialListenIPArgs(t *testing.T) { type test struct { argLists [][2]string shouldFail bool } tests := []test{ { argLists: [][2]string{ {"ip", "127.0.0.1"}, {"ip:", "127.0.0.1"}, {"ip::", "127.0.0.1"}, {"ip", "::1"}, {"ip:", "::1"}, {"ip::", "::1"}, {"ip4", "127.0.0.1"}, {"ip4:", "127.0.0.1"}, {"ip4::", "127.0.0.1"}, {"ip6", "::1"}, {"ip6:", "::1"}, {"ip6::", "::1"}, }, shouldFail: true, }, } if testableNetwork("ip") { priv := test{shouldFail: false} for _, tt := range []struct { network, address string args [2]string }{ {"ip4:47", "127.0.0.1", [2]string{"ip4:47", "127.0.0.1"}}, {"ip6:47", "::1", [2]string{"ip6:47", "::1"}}, } { c, err := ListenPacket(tt.network, tt.address) if err != nil { continue } c.Close() priv.argLists = append(priv.argLists, tt.args) } if len(priv.argLists) > 0 { tests = append(tests, priv) } } for _, tt := range tests { for _, args := range tt.argLists { _, err := Dial(args[0], args[1]) if tt.shouldFail != (err != nil) { t.Errorf("Dial(%q, %q) = %v; want (err != nil) is %t", args[0], args[1], err, tt.shouldFail) } _, err = ListenPacket(args[0], args[1]) if tt.shouldFail != (err != nil) { t.Errorf("ListenPacket(%q, %q) = %v; want (err != nil) is %t", args[0], args[1], err, tt.shouldFail) } a, err := ResolveIPAddr("ip", args[1]) if err != nil { t.Errorf("ResolveIPAddr(\"ip\", %q) = %v", args[1], err) continue } _, err = DialIP(args[0], nil, a) if tt.shouldFail != (err != nil) { t.Errorf("DialIP(%q, %v) = %v; want (err != nil) is %t", args[0], a, err, tt.shouldFail) } _, err = ListenIP(args[0], a) if tt.shouldFail != (err != nil) { t.Errorf("ListenIP(%q, %v) = %v; want (err != nil) is %t", args[0], a, err, tt.shouldFail) } } } }