1 // Copyright 2012 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
14 func BenchmarkTCPOneShot(b *testing.B) {
15 benchmarkTCP(b, false, false)
18 func BenchmarkTCPOneShotTimeout(b *testing.B) {
19 benchmarkTCP(b, false, true)
22 func BenchmarkTCPPersistent(b *testing.B) {
23 benchmarkTCP(b, true, false)
26 func BenchmarkTCPPersistentTimeout(b *testing.B) {
27 benchmarkTCP(b, true, true)
30 func benchmarkTCP(b *testing.B, persistent, timeout bool) {
33 numConcurrent := runtime.GOMAXPROCS(-1) * 16
45 sendMsg := func(c Conn, buf []byte) bool {
46 n, err := c.Write(buf)
47 if n != len(buf) || err != nil {
48 b.Logf("Write failed: %v", err)
53 recvMsg := func(c Conn, buf []byte) bool {
54 for read := 0; read != len(buf); {
58 b.Logf("Read failed: %v", err)
64 ln, err := Listen("tcp", "127.0.0.1:0")
66 b.Fatalf("Listen failed: %v", err)
80 c.SetDeadline(time.Now().Add(time.Hour)) // Not intended to fire.
83 for m := 0; m < msgs; m++ {
84 if !recvMsg(c, buf[:]) || !sendMsg(c, buf[:]) {
91 sem := make(chan bool, numConcurrent)
92 for i := 0; i < conns; i++ {
99 c, err := Dial("tcp", ln.Addr().String())
101 b.Logf("Dial failed: %v", err)
106 c.SetDeadline(time.Now().Add(time.Hour)) // Not intended to fire.
109 for m := 0; m < msgs; m++ {
110 if !sendMsg(c, buf[:]) || !recvMsg(c, buf[:]) {
116 for i := 0; i < cap(sem); i++ {
121 var resolveTCPAddrTests = []struct {
127 {"tcp", "127.0.0.1:0", &TCPAddr{IP: IPv4(127, 0, 0, 1), Port: 0}, nil},
128 {"tcp4", "127.0.0.1:65535", &TCPAddr{IP: IPv4(127, 0, 0, 1), Port: 65535}, nil},
130 {"tcp", "[::1]:1", &TCPAddr{IP: ParseIP("::1"), Port: 1}, nil},
131 {"tcp6", "[::1]:65534", &TCPAddr{IP: ParseIP("::1"), Port: 65534}, nil},
133 {"", "127.0.0.1:0", &TCPAddr{IP: IPv4(127, 0, 0, 1), Port: 0}, nil}, // Go 1.0 behavior
134 {"", "[::1]:0", &TCPAddr{IP: ParseIP("::1"), Port: 0}, nil}, // Go 1.0 behavior
136 {"http", "127.0.0.1:0", nil, UnknownNetworkError("http")},
139 func TestResolveTCPAddr(t *testing.T) {
140 for _, tt := range resolveTCPAddrTests {
141 addr, err := ResolveTCPAddr(tt.net, tt.litAddr)
143 t.Fatalf("ResolveTCPAddr(%v, %v) failed: %v", tt.net, tt.litAddr, err)
145 if !reflect.DeepEqual(addr, tt.addr) {
146 t.Fatalf("got %#v; expected %#v", addr, tt.addr)
151 var tcpListenerNameTests = []struct {
155 {"tcp4", &TCPAddr{IP: IPv4(127, 0, 0, 1)}},
156 {"tcp4", &TCPAddr{}},
160 func TestTCPListenerName(t *testing.T) {
161 if testing.Short() || !*testExternal {
162 t.Skip("skipping test to avoid external network")
165 for _, tt := range tcpListenerNameTests {
166 ln, err := ListenTCP(tt.net, tt.laddr)
168 t.Errorf("ListenTCP failed: %v", err)
173 if a, ok := la.(*TCPAddr); !ok || a.Port == 0 {
174 t.Errorf("got %v; expected a proper address with non-zero port number", la)