107 lines
2.4 KiB
Go
107 lines
2.4 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 (
|
|
"fmt"
|
|
"runtime"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
func testTimeout(t *testing.T, network, addr string, readFrom bool) {
|
|
fd, err := Dial(network, addr)
|
|
if err != nil {
|
|
t.Errorf("dial %s %s failed: %v", network, addr, err)
|
|
return
|
|
}
|
|
defer fd.Close()
|
|
what := "Read"
|
|
if readFrom {
|
|
what = "ReadFrom"
|
|
}
|
|
|
|
errc := make(chan error, 1)
|
|
go func() {
|
|
t0 := time.Now()
|
|
fd.SetReadDeadline(time.Now().Add(100 * time.Millisecond))
|
|
var b [100]byte
|
|
var n int
|
|
var err1 error
|
|
if readFrom {
|
|
n, _, err1 = fd.(PacketConn).ReadFrom(b[0:])
|
|
} else {
|
|
n, err1 = fd.Read(b[0:])
|
|
}
|
|
t1 := time.Now()
|
|
if n != 0 || err1 == nil || !err1.(Error).Timeout() {
|
|
errc <- fmt.Errorf("fd.%s on %s %s did not return 0, timeout: %v, %v", what, network, addr, n, err1)
|
|
return
|
|
}
|
|
if dt := t1.Sub(t0); dt < 50*time.Millisecond || !testing.Short() && dt > 250*time.Millisecond {
|
|
errc <- fmt.Errorf("fd.%s on %s %s took %s, expected 0.1s", what, network, addr, dt)
|
|
return
|
|
}
|
|
errc <- nil
|
|
}()
|
|
select {
|
|
case err := <-errc:
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
case <-time.After(1 * time.Second):
|
|
t.Errorf("%s on %s %s took over 1 second, expected 0.1s", what, network, addr)
|
|
}
|
|
}
|
|
|
|
func TestTimeoutUDP(t *testing.T) {
|
|
if runtime.GOOS == "plan9" {
|
|
return
|
|
}
|
|
testTimeout(t, "udp", "127.0.0.1:53", false)
|
|
testTimeout(t, "udp", "127.0.0.1:53", true)
|
|
}
|
|
|
|
func TestTimeoutTCP(t *testing.T) {
|
|
if runtime.GOOS == "plan9" {
|
|
return
|
|
}
|
|
// set up a listener that won't talk back
|
|
listening := make(chan string)
|
|
done := make(chan int)
|
|
go runServe(t, "tcp", "127.0.0.1:0", listening, done)
|
|
addr := <-listening
|
|
|
|
testTimeout(t, "tcp", addr, false)
|
|
<-done
|
|
}
|
|
|
|
func TestDeadlineReset(t *testing.T) {
|
|
if runtime.GOOS == "plan9" {
|
|
return
|
|
}
|
|
ln, err := Listen("tcp", "127.0.0.1:0")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
defer ln.Close()
|
|
tl := ln.(*TCPListener)
|
|
tl.SetDeadline(time.Now().Add(1 * time.Minute))
|
|
tl.SetDeadline(time.Time{}) // reset it
|
|
errc := make(chan error, 1)
|
|
go func() {
|
|
_, err := ln.Accept()
|
|
errc <- err
|
|
}()
|
|
select {
|
|
case <-time.After(50 * time.Millisecond):
|
|
// Pass.
|
|
case err := <-errc:
|
|
// Accept should never return; we never
|
|
// connected to it.
|
|
t.Errorf("unexpected return from Accept; err=%v", err)
|
|
}
|
|
}
|