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// 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 (
"io"
"runtime"
"testing"
"time"
)
func TestShutdown(t *testing.T) {
if runtime.GOOS == "plan9" {
t.Logf("skipping test on %q", runtime.GOOS)
return
}
l, err := Listen("tcp", "127.0.0.1:0")
if err != nil {
if l, err = Listen("tcp6", "[::1]:0"); err != nil {
t.Fatalf("ListenTCP on :0: %v", err)
}
}
go func() {
c, err := l.Accept()
if err != nil {
t.Fatalf("Accept: %v", err)
}
var buf [10]byte
n, err := c.Read(buf[:])
if n != 0 || err != io.EOF {
t.Fatalf("server Read = %d, %v; want 0, io.EOF", n, err)
}
c.Write([]byte("response"))
c.Close()
}()
c, err := Dial("tcp", l.Addr().String())
if err != nil {
t.Fatalf("Dial: %v", err)
}
defer c.Close()
err = c.(*TCPConn).CloseWrite()
if err != nil {
t.Fatalf("CloseWrite: %v", err)
}
var buf [10]byte
n, err := c.Read(buf[:])
if err != nil {
t.Fatalf("client Read: %d, %v", n, err)
}
got := string(buf[:n])
if got != "response" {
t.Errorf("read = %q, want \"response\"", got)
}
}
func TestTCPListenClose(t *testing.T) {
l, err := Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatalf("Listen failed: %v", err)
}
done := make(chan bool, 1)
go func() {
time.Sleep(100 * time.Millisecond)
l.Close()
}()
go func() {
_, err = l.Accept()
if err == nil {
t.Error("Accept succeeded")
} else {
t.Logf("Accept timeout error: %s (any error is fine)", err)
}
done <- true
}()
select {
case <-done:
case <-time.After(2 * time.Second):
t.Fatal("timeout waiting for TCP close")
}
}
func TestUDPListenClose(t *testing.T) {
l, err := ListenPacket("udp", "127.0.0.1:0")
if err != nil {
t.Fatalf("Listen failed: %v", err)
}
buf := make([]byte, 1000)
done := make(chan bool, 1)
go func() {
time.Sleep(100 * time.Millisecond)
l.Close()
}()
go func() {
_, _, err = l.ReadFrom(buf)
if err == nil {
t.Error("ReadFrom succeeded")
} else {
t.Logf("ReadFrom timeout error: %s (any error is fine)", err)
}
done <- true
}()
select {
case <-done:
case <-time.After(2 * time.Second):
t.Fatal("timeout waiting for UDP close")
}
}
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