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// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package ktimeout
import (
"net"
"testing"
"time"
"golang.org/x/net/nettest"
"golang.org/x/sys/unix"
"tailscale.com/util/must"
)
func TestSetUserTimeout(t *testing.T) {
l := must.Get(nettest.NewLocalListener("tcp"))
defer l.Close()
var err error
if e := must.Get(l.(*net.TCPListener).SyscallConn()).Control(func(fd uintptr) {
err = SetUserTimeout(fd, 0)
}); e != nil {
t.Fatal(e)
}
if err != nil {
t.Fatal(err)
}
v := must.Get(unix.GetsockoptInt(int(must.Get(l.(*net.TCPListener).File()).Fd()), unix.SOL_TCP, unix.TCP_USER_TIMEOUT))
if v != 0 {
t.Errorf("TCP_USER_TIMEOUT: got %v; want 0", v)
}
if e := must.Get(l.(*net.TCPListener).SyscallConn()).Control(func(fd uintptr) {
err = SetUserTimeout(fd, 30*time.Second)
}); e != nil {
t.Fatal(e)
}
if err != nil {
t.Fatal(err)
}
v = must.Get(unix.GetsockoptInt(int(must.Get(l.(*net.TCPListener).File()).Fd()), unix.SOL_TCP, unix.TCP_USER_TIMEOUT))
if v != 30000 {
t.Errorf("TCP_USER_TIMEOUT: got %v; want 30000", v)
}
}
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