|  | // Copyright 2012 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. | 
|  |  | 
|  | // This file implements API tests across platforms and will never have a build | 
|  | // tag. | 
|  |  | 
|  | package net | 
|  |  | 
|  | import ( | 
|  | "io/ioutil" | 
|  | "os" | 
|  | "runtime" | 
|  | "testing" | 
|  | "time" | 
|  | ) | 
|  |  | 
|  | // 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 | 
|  |  | 
|  | // testUnixAddr uses ioutil.TempFile to get a name that is unique. It | 
|  | // also uses /tmp directory in case it is prohibited to create UNIX | 
|  | // sockets in TMPDIR. | 
|  | func testUnixAddr() string { | 
|  | f, err := ioutil.TempFile("", "nettest") | 
|  | if err != nil { | 
|  | panic(err) | 
|  | } | 
|  | addr := f.Name() | 
|  | f.Close() | 
|  | os.Remove(addr) | 
|  | return addr | 
|  | } | 
|  |  | 
|  | var condFatalf = func() func(*testing.T, string, ...interface{}) { | 
|  | // A few APIs are not implemented yet on both Plan 9 and Windows. | 
|  | switch runtime.GOOS { | 
|  | case "plan9", "windows": | 
|  | return (*testing.T).Logf | 
|  | } | 
|  | return (*testing.T).Fatalf | 
|  | }() | 
|  |  | 
|  | func TestTCPListenerSpecificMethods(t *testing.T) { | 
|  | switch runtime.GOOS { | 
|  | case "plan9": | 
|  | t.Skipf("skipping test on %q", runtime.GOOS) | 
|  | } | 
|  |  | 
|  | la, err := ResolveTCPAddr("tcp4", "127.0.0.1:0") | 
|  | if err != nil { | 
|  | t.Fatalf("ResolveTCPAddr failed: %v", err) | 
|  | } | 
|  | ln, err := ListenTCP("tcp4", la) | 
|  | if err != nil { | 
|  | t.Fatalf("ListenTCP failed: %v", err) | 
|  | } | 
|  | defer ln.Close() | 
|  | ln.Addr() | 
|  | ln.SetDeadline(time.Now().Add(30 * time.Nanosecond)) | 
|  |  | 
|  | if c, err := ln.Accept(); err != nil { | 
|  | if !err.(Error).Timeout() { | 
|  | t.Fatalf("TCPListener.Accept failed: %v", err) | 
|  | } | 
|  | } else { | 
|  | c.Close() | 
|  | } | 
|  | if c, err := ln.AcceptTCP(); err != nil { | 
|  | if !err.(Error).Timeout() { | 
|  | t.Fatalf("TCPListener.AcceptTCP failed: %v", err) | 
|  | } | 
|  | } else { | 
|  | c.Close() | 
|  | } | 
|  |  | 
|  | if f, err := ln.File(); err != nil { | 
|  | condFatalf(t, "TCPListener.File failed: %v", err) | 
|  | } else { | 
|  | f.Close() | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestTCPConnSpecificMethods(t *testing.T) { | 
|  | la, err := ResolveTCPAddr("tcp4", "127.0.0.1:0") | 
|  | if err != nil { | 
|  | t.Fatalf("ResolveTCPAddr failed: %v", err) | 
|  | } | 
|  | ln, err := ListenTCP("tcp4", la) | 
|  | if err != nil { | 
|  | t.Fatalf("ListenTCP failed: %v", err) | 
|  | } | 
|  | defer ln.Close() | 
|  | ln.Addr() | 
|  |  | 
|  | done := make(chan int) | 
|  | go transponder(t, ln, done) | 
|  |  | 
|  | ra, err := ResolveTCPAddr("tcp4", ln.Addr().String()) | 
|  | if err != nil { | 
|  | t.Fatalf("ResolveTCPAddr failed: %v", err) | 
|  | } | 
|  | c, err := DialTCP("tcp4", nil, ra) | 
|  | if err != nil { | 
|  | t.Fatalf("DialTCP failed: %v", err) | 
|  | } | 
|  | defer c.Close() | 
|  | c.SetKeepAlive(false) | 
|  | c.SetKeepAlivePeriod(3 * time.Second) | 
|  | c.SetLinger(0) | 
|  | c.SetNoDelay(false) | 
|  | c.LocalAddr() | 
|  | c.RemoteAddr() | 
|  | c.SetDeadline(time.Now().Add(someTimeout)) | 
|  | c.SetReadDeadline(time.Now().Add(someTimeout)) | 
|  | c.SetWriteDeadline(time.Now().Add(someTimeout)) | 
|  |  | 
|  | if _, err := c.Write([]byte("TCPCONN TEST")); err != nil { | 
|  | t.Fatalf("TCPConn.Write failed: %v", err) | 
|  | } | 
|  | rb := make([]byte, 128) | 
|  | if _, err := c.Read(rb); err != nil { | 
|  | t.Fatalf("TCPConn.Read failed: %v", err) | 
|  | } | 
|  |  | 
|  | <-done | 
|  | } | 
|  |  | 
|  | func TestUDPConnSpecificMethods(t *testing.T) { | 
|  | la, err := ResolveUDPAddr("udp4", "127.0.0.1:0") | 
|  | if err != nil { | 
|  | t.Fatalf("ResolveUDPAddr failed: %v", err) | 
|  | } | 
|  | c, err := ListenUDP("udp4", la) | 
|  | if err != nil { | 
|  | t.Fatalf("ListenUDP failed: %v", err) | 
|  | } | 
|  | defer c.Close() | 
|  | c.LocalAddr() | 
|  | c.RemoteAddr() | 
|  | c.SetDeadline(time.Now().Add(someTimeout)) | 
|  | c.SetReadDeadline(time.Now().Add(someTimeout)) | 
|  | c.SetWriteDeadline(time.Now().Add(someTimeout)) | 
|  | c.SetReadBuffer(2048) | 
|  | c.SetWriteBuffer(2048) | 
|  |  | 
|  | wb := []byte("UDPCONN TEST") | 
|  | rb := make([]byte, 128) | 
|  | if _, err := c.WriteToUDP(wb, c.LocalAddr().(*UDPAddr)); err != nil { | 
|  | t.Fatalf("UDPConn.WriteToUDP failed: %v", err) | 
|  | } | 
|  | if _, _, err := c.ReadFromUDP(rb); err != nil { | 
|  | t.Fatalf("UDPConn.ReadFromUDP failed: %v", err) | 
|  | } | 
|  | if _, _, err := c.WriteMsgUDP(wb, nil, c.LocalAddr().(*UDPAddr)); err != nil { | 
|  | condFatalf(t, "UDPConn.WriteMsgUDP failed: %v", err) | 
|  | } | 
|  | if _, _, _, _, err := c.ReadMsgUDP(rb, nil); err != nil { | 
|  | condFatalf(t, "UDPConn.ReadMsgUDP failed: %v", err) | 
|  | } | 
|  |  | 
|  | if f, err := c.File(); err != nil { | 
|  | condFatalf(t, "UDPConn.File failed: %v", err) | 
|  | } else { | 
|  | f.Close() | 
|  | } | 
|  |  | 
|  | defer func() { | 
|  | if p := recover(); p != nil { | 
|  | t.Fatalf("UDPConn.WriteToUDP or WriteMsgUDP panicked: %v", p) | 
|  | } | 
|  | }() | 
|  |  | 
|  | c.WriteToUDP(wb, nil) | 
|  | c.WriteMsgUDP(wb, nil, nil) | 
|  | } | 
|  |  | 
|  | func TestIPConnSpecificMethods(t *testing.T) { | 
|  | if os.Getuid() != 0 { | 
|  | t.Skip("must be root") | 
|  | } | 
|  |  | 
|  | la, err := ResolveIPAddr("ip4", "127.0.0.1") | 
|  | if err != nil { | 
|  | t.Fatalf("ResolveIPAddr failed: %v", err) | 
|  | } | 
|  | c, err := ListenIP("ip4:icmp", la) | 
|  | if err != nil { | 
|  | t.Fatalf("ListenIP failed: %v", err) | 
|  | } | 
|  | defer c.Close() | 
|  | c.LocalAddr() | 
|  | c.RemoteAddr() | 
|  | c.SetDeadline(time.Now().Add(someTimeout)) | 
|  | c.SetReadDeadline(time.Now().Add(someTimeout)) | 
|  | c.SetWriteDeadline(time.Now().Add(someTimeout)) | 
|  | c.SetReadBuffer(2048) | 
|  | c.SetWriteBuffer(2048) | 
|  |  | 
|  | if f, err := c.File(); err != nil { | 
|  | condFatalf(t, "IPConn.File failed: %v", err) | 
|  | } else { | 
|  | f.Close() | 
|  | } | 
|  |  | 
|  | defer func() { | 
|  | if p := recover(); p != nil { | 
|  | t.Fatalf("IPConn.WriteToIP or WriteMsgIP panicked: %v", p) | 
|  | } | 
|  | }() | 
|  |  | 
|  | wb := []byte("IPCONN TEST") | 
|  | c.WriteToIP(wb, nil) | 
|  | c.WriteMsgIP(wb, nil, nil) | 
|  | } | 
|  |  | 
|  | func TestUnixListenerSpecificMethods(t *testing.T) { | 
|  | switch runtime.GOOS { | 
|  | case "nacl", "plan9", "windows": | 
|  | t.Skipf("skipping test on %q", runtime.GOOS) | 
|  | } | 
|  |  | 
|  | addr := testUnixAddr() | 
|  | la, err := ResolveUnixAddr("unix", addr) | 
|  | if err != nil { | 
|  | t.Fatalf("ResolveUnixAddr failed: %v", err) | 
|  | } | 
|  | ln, err := ListenUnix("unix", la) | 
|  | if err != nil { | 
|  | t.Fatalf("ListenUnix failed: %v", err) | 
|  | } | 
|  | defer ln.Close() | 
|  | defer os.Remove(addr) | 
|  | ln.Addr() | 
|  | ln.SetDeadline(time.Now().Add(30 * time.Nanosecond)) | 
|  |  | 
|  | if c, err := ln.Accept(); err != nil { | 
|  | if !err.(Error).Timeout() { | 
|  | t.Fatalf("UnixListener.Accept failed: %v", err) | 
|  | } | 
|  | } else { | 
|  | c.Close() | 
|  | } | 
|  | if c, err := ln.AcceptUnix(); err != nil { | 
|  | if !err.(Error).Timeout() { | 
|  | t.Fatalf("UnixListener.AcceptUnix failed: %v", err) | 
|  | } | 
|  | } else { | 
|  | c.Close() | 
|  | } | 
|  |  | 
|  | if f, err := ln.File(); err != nil { | 
|  | t.Fatalf("UnixListener.File failed: %v", err) | 
|  | } else { | 
|  | f.Close() | 
|  | } | 
|  | } | 
|  |  | 
|  | func TestUnixConnSpecificMethods(t *testing.T) { | 
|  | switch runtime.GOOS { | 
|  | case "nacl", "plan9", "windows": | 
|  | t.Skipf("skipping test on %q", runtime.GOOS) | 
|  | } | 
|  |  | 
|  | addr1, addr2, addr3 := testUnixAddr(), testUnixAddr(), testUnixAddr() | 
|  |  | 
|  | a1, err := ResolveUnixAddr("unixgram", addr1) | 
|  | if err != nil { | 
|  | t.Fatalf("ResolveUnixAddr failed: %v", err) | 
|  | } | 
|  | c1, err := DialUnix("unixgram", a1, nil) | 
|  | if err != nil { | 
|  | t.Fatalf("DialUnix failed: %v", err) | 
|  | } | 
|  | defer c1.Close() | 
|  | defer os.Remove(addr1) | 
|  | c1.LocalAddr() | 
|  | c1.RemoteAddr() | 
|  | c1.SetDeadline(time.Now().Add(someTimeout)) | 
|  | c1.SetReadDeadline(time.Now().Add(someTimeout)) | 
|  | c1.SetWriteDeadline(time.Now().Add(someTimeout)) | 
|  | c1.SetReadBuffer(2048) | 
|  | c1.SetWriteBuffer(2048) | 
|  |  | 
|  | a2, err := ResolveUnixAddr("unixgram", addr2) | 
|  | if err != nil { | 
|  | t.Fatalf("ResolveUnixAddr failed: %v", err) | 
|  | } | 
|  | c2, err := DialUnix("unixgram", a2, nil) | 
|  | if err != nil { | 
|  | t.Fatalf("DialUnix failed: %v", err) | 
|  | } | 
|  | defer c2.Close() | 
|  | defer os.Remove(addr2) | 
|  | c2.LocalAddr() | 
|  | c2.RemoteAddr() | 
|  | c2.SetDeadline(time.Now().Add(someTimeout)) | 
|  | c2.SetReadDeadline(time.Now().Add(someTimeout)) | 
|  | c2.SetWriteDeadline(time.Now().Add(someTimeout)) | 
|  | c2.SetReadBuffer(2048) | 
|  | c2.SetWriteBuffer(2048) | 
|  |  | 
|  | a3, err := ResolveUnixAddr("unixgram", addr3) | 
|  | if err != nil { | 
|  | t.Fatalf("ResolveUnixAddr failed: %v", err) | 
|  | } | 
|  | c3, err := ListenUnixgram("unixgram", a3) | 
|  | if err != nil { | 
|  | t.Fatalf("ListenUnixgram failed: %v", err) | 
|  | } | 
|  | defer c3.Close() | 
|  | defer os.Remove(addr3) | 
|  | c3.LocalAddr() | 
|  | c3.RemoteAddr() | 
|  | c3.SetDeadline(time.Now().Add(someTimeout)) | 
|  | c3.SetReadDeadline(time.Now().Add(someTimeout)) | 
|  | c3.SetWriteDeadline(time.Now().Add(someTimeout)) | 
|  | c3.SetReadBuffer(2048) | 
|  | c3.SetWriteBuffer(2048) | 
|  |  | 
|  | wb := []byte("UNIXCONN TEST") | 
|  | rb1 := make([]byte, 128) | 
|  | rb2 := make([]byte, 128) | 
|  | rb3 := make([]byte, 128) | 
|  | if _, _, err := c1.WriteMsgUnix(wb, nil, a2); err != nil { | 
|  | t.Fatalf("UnixConn.WriteMsgUnix failed: %v", err) | 
|  | } | 
|  | if _, _, _, _, err := c2.ReadMsgUnix(rb2, nil); err != nil { | 
|  | t.Fatalf("UnixConn.ReadMsgUnix failed: %v", err) | 
|  | } | 
|  | if _, err := c2.WriteToUnix(wb, a1); err != nil { | 
|  | t.Fatalf("UnixConn.WriteToUnix failed: %v", err) | 
|  | } | 
|  | if _, _, err := c1.ReadFromUnix(rb1); err != nil { | 
|  | t.Fatalf("UnixConn.ReadFromUnix failed: %v", err) | 
|  | } | 
|  | if _, err := c3.WriteToUnix(wb, a1); err != nil { | 
|  | t.Fatalf("UnixConn.WriteToUnix failed: %v", err) | 
|  | } | 
|  | if _, _, err := c1.ReadFromUnix(rb1); err != nil { | 
|  | t.Fatalf("UnixConn.ReadFromUnix failed: %v", err) | 
|  | } | 
|  | if _, err := c2.WriteToUnix(wb, a3); err != nil { | 
|  | t.Fatalf("UnixConn.WriteToUnix failed: %v", err) | 
|  | } | 
|  | if _, _, err := c3.ReadFromUnix(rb3); err != nil { | 
|  | t.Fatalf("UnixConn.ReadFromUnix failed: %v", err) | 
|  | } | 
|  |  | 
|  | if f, err := c1.File(); err != nil { | 
|  | t.Fatalf("UnixConn.File failed: %v", err) | 
|  | } else { | 
|  | f.Close() | 
|  | } | 
|  |  | 
|  | defer func() { | 
|  | if p := recover(); p != nil { | 
|  | t.Fatalf("UnixConn.WriteToUnix or WriteMsgUnix panicked: %v", p) | 
|  | } | 
|  | }() | 
|  |  | 
|  | c1.WriteToUnix(wb, nil) | 
|  | c1.WriteMsgUnix(wb, nil, nil) | 
|  | c3.WriteToUnix(wb, nil) | 
|  | c3.WriteMsgUnix(wb, nil, nil) | 
|  | } |