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// Copyright 2012 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.
// +build darwin freebsd linux netbsd openbsd
package net
import (
"testing"
)
// Issue 3590. netFd.AddFD should return an error
// from the underlying pollster rather than panicing.
func TestAddFDReturnsError(t *testing.T) {
l, err := Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatal(err)
}
defer l.Close()
go func() {
for {
c, err := l.Accept()
if err != nil {
return
}
defer c.Close()
}
}()
c, err := Dial("tcp", l.Addr().String())
if err != nil {
t.Fatal(err)
}
defer c.Close()
// replace c's pollServer with a closed version.
ps, err := newPollServer()
if err != nil {
t.Fatal(err)
}
ps.poll.Close()
c.(*TCPConn).conn.fd.pollServer = ps
var b [1]byte
_, err = c.Read(b[:])
if err, ok := err.(*OpError); ok {
if err.Op == "addfd" {
return
}
if err, ok := err.Err.(*OpError); ok {
// the err is sometimes wrapped by another OpError
if err.Op == "addfd" {
return
}
}
}
t.Error(err)
}
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