forked from mikioh/tcp
/
sockbuf_test.go
131 lines (116 loc) · 2.37 KB
/
sockbuf_test.go
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// Copyright 2014 Mikio Hara. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package tcp_test
import (
"net"
"runtime"
"sync"
"testing"
"time"
"github.com/mikioh/tcp"
)
func TestReadBuffer(t *testing.T) {
switch runtime.GOOS {
case "darwin", "dragonfly", "freebsd", "linux", "netbsd", "openbsd":
default:
t.Skipf("%s/%s", runtime.GOOS, runtime.GOARCH)
}
ln, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatal(err)
}
defer ln.Close()
m := []byte("HELLO-R-U-THERE")
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
if err := ln.(*net.TCPListener).SetDeadline(time.Now().Add(200 * time.Millisecond)); err != nil {
t.Error(err)
return
}
c, err := ln.Accept()
if err != nil {
t.Error(err)
return
}
defer c.Close()
if err := c.(*net.TCPConn).SetReadBuffer(65535); err != nil {
t.Error(err)
return
}
tc, err := tcp.NewConn(c)
if err != nil {
t.Error(err)
return
}
time.Sleep(100 * time.Millisecond)
n := tc.ReadBufferLen()
if n != len(m) {
t.Errorf("got %v; want %v", n, len(m))
return
}
t.Logf("%v bytes buffered to be read", n)
}()
c, err := net.Dial(ln.Addr().Network(), ln.Addr().String())
if err != nil {
t.Fatal(err)
}
defer c.Close()
if _, err := c.Write(m); err != nil {
t.Fatal(err)
}
wg.Wait()
}
func TestWriteBuffer(t *testing.T) {
switch runtime.GOOS {
case "freebsd", "linux", "netbsd":
default:
t.Skipf("%s/%s", runtime.GOOS, runtime.GOARCH)
}
ln, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatal(err)
}
defer ln.Close()
m := []byte("HELLO-R-U-THERE")
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
d := net.Dialer{Timeout: 200 * time.Millisecond}
c, err := d.Dial(ln.Addr().Network(), ln.Addr().String())
if err != nil {
t.Error(err)
return
}
defer c.Close()
if err := c.(*net.TCPConn).SetWriteBuffer(65535); err != nil {
t.Error(err)
return
}
tc, err := tcp.NewConn(c)
if err != nil {
t.Error(err)
return
}
defer tc.Close()
if _, err := c.Write(m); err != nil {
t.Error(err)
return
}
n := tc.WriteBufferSpace()
if n <= 0 {
t.Errorf("got %v; want >0", n)
return
}
t.Logf("%v bytes write available", n)
}()
c, err := ln.Accept()
if err != nil {
t.Fatal(err)
}
defer c.Close()
wg.Wait()
}