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OSX Linger failure
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package linger_test | |
import ( | |
"fmt" | |
"io" | |
"math/rand" | |
"net" | |
"testing" | |
"time" | |
"github.com/stretchr/testify/require" | |
) | |
func TestLinger(t *testing.T) { | |
ln, err := net.ListenTCP("tcp4", nil) | |
require.NoError(t, err) | |
defer ln.Close() | |
done := make(chan struct{}) | |
accepted := make(chan struct{}) | |
go func() { | |
defer close(done) | |
conn, err := ln.Accept() | |
require.NoError(t, err) | |
close(accepted) | |
io.ReadAll(conn) | |
}() | |
conn, err := net.DialTCP("tcp4", nil, ln.Addr().(*net.TCPAddr)) | |
require.NoError(t, err) | |
require.NoError(t, conn.SetLinger(0)) | |
fmt.Printf("%s <-> %s\n", conn.LocalAddr(), conn.RemoteAddr()) | |
go func() { | |
for { | |
b := make([]byte, 1+rand.Intn(1000)) | |
_, err := conn.Write(b) | |
if err != nil { | |
return | |
} | |
time.Sleep(time.Duration(rand.Intn(1000)) * time.Microsecond) | |
} | |
}() | |
<-accepted | |
time.Sleep(time.Duration(rand.Intn(30)) * time.Millisecond) | |
require.NoError(t, conn.Close()) | |
select { | |
case <-done: | |
case <-time.After(10 * time.Second): | |
t.Fatal("remote conn didn't close") | |
} | |
} |
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