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Current Path: /opt/golang/1.17.2/src/net

📁 ..
📄 addrselect.go(9.59 KB)
📄 addrselect_test.go(6.28 KB)
📄 cgo_aix.go(603 B)
📄 cgo_android.go(293 B)
📄 cgo_bsd.go(419 B)
📄 cgo_linux.go(672 B)
📄 cgo_netbsd.go(297 B)
📄 cgo_openbsd.go(297 B)
📄 cgo_resnew.go(668 B)
📄 cgo_resold.go(654 B)
📄 cgo_socknew.go(816 B)
📄 cgo_sockold.go(937 B)
📄 cgo_solaris.go(364 B)
📄 cgo_stub.go(1.08 KB)
📄 cgo_unix.go(9.65 KB)
📄 cgo_unix_test.go(2.01 KB)
📄 cgo_windows.go(423 B)
📄 conf.go(8.78 KB)
📄 conf_netcgo.go(387 B)
📄 conf_test.go(9.76 KB)
📄 conn_test.go(1.79 KB)
📄 dial.go(22.72 KB)
📄 dial_test.go(26.02 KB)
📄 dial_unix_test.go(2.83 KB)
📄 dnsclient.go(5.73 KB)
📄 dnsclient_test.go(1.51 KB)
📄 dnsclient_unix.go(22.12 KB)
📄 dnsclient_unix_test.go(54.46 KB)
📄 dnsconfig_unix.go(5.56 KB)
📄 dnsconfig_unix_test.go(6.83 KB)
📄 dnsname_test.go(1.99 KB)
📄 error_plan9.go(224 B)
📄 error_plan9_test.go(398 B)
📄 error_posix.go(700 B)
📄 error_posix_test.go(998 B)
📄 error_test.go(19.59 KB)
📄 error_unix.go(517 B)
📄 error_unix_test.go(702 B)
📄 error_windows.go(355 B)
📄 error_windows_test.go(483 B)
📄 example_test.go(3.88 KB)
📄 external_test.go(4.08 KB)
📄 fcntl_libc_test.go(400 B)
📄 fcntl_syscall_test.go(545 B)
📄 fd_plan9.go(3.56 KB)
📄 fd_posix.go(2.58 KB)
📄 fd_unix.go(5.54 KB)
📄 fd_windows.go(4.62 KB)
📄 file.go(1.69 KB)
📄 file_plan9.go(2.68 KB)
📄 file_stub.go(507 B)
📄 file_test.go(6.55 KB)
📄 file_unix.go(2.6 KB)
📄 file_windows.go(521 B)
📄 hook.go(628 B)
📄 hook_plan9.go(283 B)
📄 hook_unix.go(840 B)
📄 hook_windows.go(875 B)
📄 hosts.go(3.1 KB)
📄 hosts_test.go(4.59 KB)
📁 http
📄 interface.go(7.17 KB)
📄 interface_aix.go(4.41 KB)
📄 interface_bsd.go(2.8 KB)
📄 interface_bsd_test.go(1.48 KB)
📄 interface_bsdvar.go(753 B)
📄 interface_darwin.go(1.29 KB)
📄 interface_freebsd.go(1.42 KB)
📄 interface_linux.go(6.9 KB)
📄 interface_linux_test.go(3.65 KB)
📄 interface_plan9.go(4.68 KB)
📄 interface_solaris.go(2.07 KB)
📄 interface_stub.go(830 B)
📄 interface_test.go(9.68 KB)
📄 interface_unix_test.go(4.79 KB)
📄 interface_windows.go(5.41 KB)
📁 internal
📄 ip.go(17.66 KB)
📄 ip_test.go(25.33 KB)
📄 iprawsock.go(7.08 KB)
📄 iprawsock_plan9.go(874 B)
📄 iprawsock_posix.go(3.56 KB)
📄 iprawsock_test.go(5.63 KB)
📄 ipsock.go(8.97 KB)
📄 ipsock_plan9.go(7.5 KB)
📄 ipsock_plan9_test.go(645 B)
📄 ipsock_posix.go(6.28 KB)
📄 ipsock_test.go(6.81 KB)
📄 listen_test.go(21.34 KB)
📄 lookup.go(21.33 KB)
📄 lookup_fake.go(1.66 KB)
📄 lookup_plan9.go(7.68 KB)
📄 lookup_test.go(31.13 KB)
📄 lookup_unix.go(8.89 KB)
📄 lookup_windows.go(11.72 KB)
📄 lookup_windows_test.go(8.02 KB)
📄 mac.go(1.88 KB)
📄 mac_test.go(3.26 KB)
📁 mail
📄 main_cloexec_test.go(750 B)
📄 main_conf_test.go(952 B)
📄 main_noconf_test.go(537 B)
📄 main_plan9_test.go(392 B)
📄 main_posix_test.go(1.4 KB)
📄 main_test.go(7.13 KB)
📄 main_unix_test.go(1.33 KB)
📄 main_windows_test.go(1.08 KB)
📄 mockserver_test.go(11.39 KB)
📄 net.go(22.37 KB)
📄 net_fake.go(5.37 KB)
📄 net_test.go(13.88 KB)
📄 net_windows_test.go(15.94 KB)
📄 netgo_unix_test.go(741 B)
📄 nss.go(3.8 KB)
📄 nss_test.go(3.42 KB)
📄 packetconn_test.go(3.57 KB)
📄 parse.go(7.33 KB)
📄 parse_test.go(2.14 KB)
📄 pipe.go(5.43 KB)
📄 pipe_test.go(1.2 KB)
📄 platform_test.go(4.57 KB)
📄 port.go(1.46 KB)
📄 port_test.go(1.34 KB)
📄 port_unix.go(1.39 KB)
📄 protoconn_test.go(7.24 KB)
📄 rawconn.go(1.89 KB)
📄 rawconn_stub_test.go(655 B)
📄 rawconn_test.go(4.45 KB)
📄 rawconn_unix_test.go(3.1 KB)
📄 rawconn_windows_test.go(3.12 KB)
📁 rpc
📄 sendfile_linux.go(1.1 KB)
📄 sendfile_stub.go(391 B)
📄 sendfile_test.go(6.91 KB)
📄 sendfile_unix_alt.go(2.02 KB)
📄 sendfile_windows.go(1.02 KB)
📄 server_test.go(11.11 KB)
📁 smtp
📄 sock_bsd.go(968 B)
📄 sock_cloexec.go(1.53 KB)
📄 sock_linux.go(1.53 KB)
📄 sock_linux_test.go(545 B)
📄 sock_plan9.go(262 B)
📄 sock_posix.go(6.92 KB)
📄 sock_stub.go(420 B)
📄 sock_windows.go(1.16 KB)
📄 sockaddr_posix.go(1.05 KB)
📄 sockopt_aix.go(1.43 KB)
📄 sockopt_bsd.go(2.26 KB)
📄 sockopt_linux.go(1.25 KB)
📄 sockopt_plan9.go(406 B)
📄 sockopt_posix.go(2.76 KB)
📄 sockopt_solaris.go(1.25 KB)
📄 sockopt_stub.go(760 B)
📄 sockopt_windows.go(1.51 KB)
📄 sockoptip_bsdvar.go(929 B)
📄 sockoptip_linux.go(735 B)
📄 sockoptip_posix.go(1.53 KB)
📄 sockoptip_stub.go(971 B)
📄 sockoptip_windows.go(819 B)
📄 splice_linux.go(1.09 KB)
📄 splice_stub.go(304 B)
📄 splice_test.go(10.51 KB)
📄 sys_cloexec.go(1 KB)
📄 tcpsock.go(9.88 KB)
📄 tcpsock_plan9.go(2.13 KB)
📄 tcpsock_posix.go(5.39 KB)
📄 tcpsock_test.go(17.53 KB)
📄 tcpsock_unix_test.go(2.41 KB)
📄 tcpsockopt_darwin.go(770 B)
📄 tcpsockopt_dragonfly.go(698 B)
📄 tcpsockopt_openbsd.go(365 B)
📄 tcpsockopt_plan9.go(525 B)
📄 tcpsockopt_posix.go(592 B)
📄 tcpsockopt_solaris.go(1.15 KB)
📄 tcpsockopt_stub.go(415 B)
📄 tcpsockopt_unix.go(757 B)
📄 tcpsockopt_windows.go(741 B)
📁 testdata
📁 textproto
📄 timeout_test.go(23.39 KB)
📄 udpsock.go(9.19 KB)
📄 udpsock_plan9.go(3.79 KB)
📄 udpsock_plan9_test.go(1.31 KB)
📄 udpsock_posix.go(4.27 KB)
📄 udpsock_test.go(12.27 KB)
📄 unixsock.go(10.17 KB)
📄 unixsock_linux_test.go(2.29 KB)
📄 unixsock_plan9.go(1.24 KB)
📄 unixsock_posix.go(6.03 KB)
📄 unixsock_readmsg_cloexec.go(691 B)
📄 unixsock_readmsg_cmsg_cloexec.go(373 B)
📄 unixsock_readmsg_other.go(301 B)
📄 unixsock_readmsg_test.go(2.62 KB)
📄 unixsock_test.go(10.56 KB)
📄 unixsock_windows_test.go(2.09 KB)
📁 url
📄 write_unix_test.go(1.67 KB)
📄 writev_test.go(5.02 KB)
📄 writev_unix.go(797 B)

Editing: net_test.go

// 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.

//go:build !js
// +build !js

package net

import (
	"errors"
	"fmt"
	"internal/testenv"
	"io"
	"net/internal/socktest"
	"os"
	"runtime"
	"testing"
	"time"
)

func TestCloseRead(t *testing.T) {
	switch runtime.GOOS {
	case "plan9":
		t.Skipf("not supported on %s", runtime.GOOS)
	}
	t.Parallel()

for _, network := range []string{"tcp", "unix", "unixpacket"} {
		network := network
		t.Run(network, func(t *testing.T) {
			if !testableNetwork(network) {
				t.Skipf("network %s is not testable on the current platform", network)
			}
			t.Parallel()

ln, err := newLocalListener(network)
			if err != nil {
				t.Fatal(err)
			}
			switch network {
			case "unix", "unixpacket":
				defer os.Remove(ln.Addr().String())
			}
			defer ln.Close()

c, err := Dial(ln.Addr().Network(), ln.Addr().String())
			if err != nil {
				t.Fatal(err)
			}
			switch network {
			case "unix", "unixpacket":
				defer os.Remove(c.LocalAddr().String())
			}
			defer c.Close()

switch c := c.(type) {
			case *TCPConn:
				err = c.CloseRead()
			case *UnixConn:
				err = c.CloseRead()
			}
			if err != nil {
				if perr := parseCloseError(err, true); perr != nil {
					t.Error(perr)
				}
				t.Fatal(err)
			}
			var b [1]byte
			n, err := c.Read(b[:])
			if n != 0 || err == nil {
				t.Fatalf("got (%d, %v); want (0, error)", n, err)
			}
		})
	}
}

func TestCloseWrite(t *testing.T) {
	switch runtime.GOOS {
	case "plan9":
		t.Skipf("not supported on %s", runtime.GOOS)
	}

t.Parallel()
	deadline, _ := t.Deadline()
	if !deadline.IsZero() {
		// Leave 10% headroom on the deadline to report errors and clean up.
		deadline = deadline.Add(-time.Until(deadline) / 10)
	}

handler := func(ls *localServer, ln Listener) {
				c, err := ln.Accept()
				if err != nil {
					t.Error(err)
					return
				}
				if !deadline.IsZero() {
					c.SetDeadline(deadline)
				}
				defer c.Close()

var b [1]byte
				n, err := c.Read(b[:])
				if n != 0 || err != io.EOF {
					t.Errorf("got (%d, %v); want (0, io.EOF)", n, err)
					return
				}
				switch c := c.(type) {
				case *TCPConn:
					err = c.CloseWrite()
				case *UnixConn:
					err = c.CloseWrite()
				}
				if err != nil {
					if perr := parseCloseError(err, true); perr != nil {
						t.Error(perr)
					}
					t.Error(err)
					return
				}
				n, err = c.Write(b[:])
				if err == nil {
					t.Errorf("got (%d, %v); want (any, error)", n, err)
					return
				}
			}

ls, err := newLocalServer(network)
			if err != nil {
				t.Fatal(err)
			}
			defer ls.teardown()
			if err := ls.buildup(handler); err != nil {
				t.Fatal(err)
			}

c, err := Dial(ls.Listener.Addr().Network(), ls.Listener.Addr().String())
			if err != nil {
				t.Fatal(err)
			}
			if !deadline.IsZero() {
				c.SetDeadline(deadline)
			}
			switch network {
			case "unix", "unixpacket":
				defer os.Remove(c.LocalAddr().String())
			}
			defer c.Close()

switch c := c.(type) {
			case *TCPConn:
				err = c.CloseWrite()
			case *UnixConn:
				err = c.CloseWrite()
			}
			if err != nil {
				if perr := parseCloseError(err, true); perr != nil {
					t.Error(perr)
				}
				t.Fatal(err)
			}
			var b [1]byte
			n, err := c.Read(b[:])
			if n != 0 || err != io.EOF {
				t.Fatalf("got (%d, %v); want (0, io.EOF)", n, err)
			}
			n, err = c.Write(b[:])
			if err == nil {
				t.Fatalf("got (%d, %v); want (any, error)", n, err)
			}
		})
	}
}

func TestConnClose(t *testing.T) {
	t.Parallel()
	for _, network := range []string{"tcp", "unix", "unixpacket"} {
		network := network
		t.Run(network, func(t *testing.T) {
			if !testableNetwork(network) {
				t.Skipf("network %s is not testable on the current platform", network)
			}
			t.Parallel()

ln, err := newLocalListener(network)
			if err != nil {
				t.Fatal(err)
			}
			switch network {
			case "unix", "unixpacket":
				defer os.Remove(ln.Addr().String())
			}
			defer ln.Close()

if err := c.Close(); err != nil {
				if perr := parseCloseError(err, false); perr != nil {
					t.Error(perr)
				}
				t.Fatal(err)
			}
			var b [1]byte
			n, err := c.Read(b[:])
			if n != 0 || err == nil {
				t.Fatalf("got (%d, %v); want (0, error)", n, err)
			}
		})
	}
}

func TestListenerClose(t *testing.T) {
	t.Parallel()
	for _, network := range []string{"tcp", "unix", "unixpacket"} {
		network := network
		t.Run(network, func(t *testing.T) {
			if !testableNetwork(network) {
				t.Skipf("network %s is not testable on the current platform", network)
			}
			t.Parallel()

ln, err := newLocalListener(network)
			if err != nil {
				t.Fatal(err)
			}
			switch network {
			case "unix", "unixpacket":
				defer os.Remove(ln.Addr().String())
			}

dst := ln.Addr().String()
			if err := ln.Close(); err != nil {
				if perr := parseCloseError(err, false); perr != nil {
					t.Error(perr)
				}
				t.Fatal(err)
			}
			c, err := ln.Accept()
			if err == nil {
				c.Close()
				t.Fatal("should fail")
			}

if network == "tcp" {
				// We will have two TCP FSMs inside the
				// kernel here. There's no guarantee that a
				// signal comes from the far end FSM will be
				// delivered immediately to the near end FSM,
				// especially on the platforms that allow
				// multiple consumer threads to pull pending
				// established connections at the same time by
				// enabling SO_REUSEPORT option such as Linux,
				// DragonFly BSD. So we need to give some time
				// quantum to the kernel.
				//
				// Note that net.inet.tcp.reuseport_ext=1 by
				// default on DragonFly BSD.
				time.Sleep(time.Millisecond)

cc, err := Dial("tcp", dst)
				if err == nil {
					t.Error("Dial to closed TCP listener succeeded.")
					cc.Close()
				}
			}
		})
	}
}

func TestPacketConnClose(t *testing.T) {
	t.Parallel()
	for _, network := range []string{"udp", "unixgram"} {
		network := network
		t.Run(network, func(t *testing.T) {
			if !testableNetwork(network) {
				t.Skipf("network %s is not testable on the current platform", network)
			}
			t.Parallel()

c, err := newLocalPacketListener(network)
			if err != nil {
				t.Fatal(err)
			}
			switch network {
			case "unixgram":
				defer os.Remove(c.LocalAddr().String())
			}
			defer c.Close()

if err := c.Close(); err != nil {
				if perr := parseCloseError(err, false); perr != nil {
					t.Error(perr)
				}
				t.Fatal(err)
			}
			var b [1]byte
			n, _, err := c.ReadFrom(b[:])
			if n != 0 || err == nil {
				t.Fatalf("got (%d, %v); want (0, error)", n, err)
			}
		})
	}
}

func TestListenCloseListen(t *testing.T) {
	const maxTries = 10
	for tries := 0; tries < maxTries; tries++ {
		ln, err := newLocalListener("tcp")
		if err != nil {
			t.Fatal(err)
		}
		addr := ln.Addr().String()
		if err := ln.Close(); err != nil {
			if perr := parseCloseError(err, false); perr != nil {
				t.Error(perr)
			}
			t.Fatal(err)
		}
		ln, err = Listen("tcp", addr)
		if err == nil {
			// Success. (This test didn't always make it here earlier.)
			ln.Close()
			return
		}
		t.Errorf("failed on try %d/%d: %v", tries+1, maxTries, err)
	}
	t.Fatalf("failed to listen/close/listen on same address after %d tries", maxTries)
}

// See golang.org/issue/6163, golang.org/issue/6987.
func TestAcceptIgnoreAbortedConnRequest(t *testing.T) {
	switch runtime.GOOS {
	case "plan9":
		t.Skipf("%s does not have full support of socktest", runtime.GOOS)
	}

syserr := make(chan error)
	go func() {
		defer close(syserr)
		for _, err := range abortedConnRequestErrors {
			syserr <- err
		}
	}()
	sw.Set(socktest.FilterAccept, func(so *socktest.Status) (socktest.AfterFilter, error) {
		if err, ok := <-syserr; ok {
			return nil, err
		}
		return nil, nil
	})
	defer sw.Set(socktest.FilterAccept, nil)

operr := make(chan error, 1)
	handler := func(ls *localServer, ln Listener) {
		defer close(operr)
		c, err := ln.Accept()
		if err != nil {
			if perr := parseAcceptError(err); perr != nil {
				operr <- perr
			}
			operr <- err
			return
		}
		c.Close()
	}
	ls, err := newLocalServer("tcp")
	if err != nil {
		t.Fatal(err)
	}
	defer ls.teardown()
	if err := ls.buildup(handler); err != nil {
		t.Fatal(err)
	}

c, err := Dial(ls.Listener.Addr().Network(), ls.Listener.Addr().String())
	if err != nil {
		t.Fatal(err)
	}
	c.Close()

for err := range operr {
		t.Error(err)
	}
}

func TestZeroByteRead(t *testing.T) {
	t.Parallel()
	for _, network := range []string{"tcp", "unix", "unixpacket"} {
		network := network
		t.Run(network, func(t *testing.T) {
			if !testableNetwork(network) {
				t.Skipf("network %s is not testable on the current platform", network)
			}
			t.Parallel()

ln, err := newLocalListener(network)
			if err != nil {
				t.Fatal(err)
			}
			connc := make(chan Conn, 1)
			go func() {
				defer ln.Close()
				c, err := ln.Accept()
				if err != nil {
					t.Error(err)
				}
				connc <- c // might be nil
			}()
			c, err := Dial(network, ln.Addr().String())
			if err != nil {
				t.Fatal(err)
			}
			defer c.Close()
			sc := <-connc
			if sc == nil {
				return
			}
			defer sc.Close()

if runtime.GOOS == "windows" {
				// A zero byte read on Windows caused a wait for readability first.
				// Rather than change that behavior, satisfy it in this test.
				// See Issue 15735.
				go io.WriteString(sc, "a")
			}

n, err := c.Read(nil)
			if n != 0 || err != nil {
				t.Errorf("%s: zero byte client read = %v, %v; want 0, nil", network, n, err)
			}

if runtime.GOOS == "windows" {
				// Same as comment above.
				go io.WriteString(c, "a")
			}
			n, err = sc.Read(nil)
			if n != 0 || err != nil {
				t.Errorf("%s: zero byte server read = %v, %v; want 0, nil", network, n, err)
			}
		})
	}
}

// withTCPConnPair sets up a TCP connection between two peers, then
// runs peer1 and peer2 concurrently. withTCPConnPair returns when
// both have completed.
func withTCPConnPair(t *testing.T, peer1, peer2 func(c *TCPConn) error) {
	ln, err := newLocalListener("tcp")
	if err != nil {
		t.Fatal(err)
	}
	defer ln.Close()
	errc := make(chan error, 2)
	go func() {
		c1, err := ln.Accept()
		if err != nil {
			errc <- err
			return
		}
		defer c1.Close()
		errc <- peer1(c1.(*TCPConn))
	}()
	go func() {
		c2, err := Dial("tcp", ln.Addr().String())
		if err != nil {
			errc <- err
			return
		}
		defer c2.Close()
		errc <- peer2(c2.(*TCPConn))
	}()
	for i := 0; i < 2; i++ {
		if err := <-errc; err != nil {
			t.Fatal(err)
		}
	}
}

// Tests that a blocked Read is interrupted by a concurrent SetReadDeadline
// modifying that Conn's read deadline to the past.
// See golang.org/cl/30164 which documented this. The net/http package
// depends on this.
func TestReadTimeoutUnblocksRead(t *testing.T) {
	serverDone := make(chan struct{})
	server := func(cs *TCPConn) error {
		defer close(serverDone)
		errc := make(chan error, 1)
		go func() {
			defer close(errc)
			go func() {
				// TODO: find a better way to wait
				// until we're blocked in the cs.Read
				// call below. Sleep is lame.
				time.Sleep(100 * time.Millisecond)

// Interrupt the upcoming Read, unblocking it:
				cs.SetReadDeadline(time.Unix(123, 0)) // time in the past
			}()
			var buf [1]byte
			n, err := cs.Read(buf[:1])
			if n != 0 || err == nil {
				errc <- fmt.Errorf("Read = %v, %v; want 0, non-nil", n, err)
			}
		}()
		select {
		case err := <-errc:
			return err
		case <-time.After(5 * time.Second):
			buf := make([]byte, 2<<20)
			buf = buf[:runtime.Stack(buf, true)]
			println("Stacks at timeout:\n", string(buf))
			return errors.New("timeout waiting for Read to finish")
		}

}
	// Do nothing in the client. Never write. Just wait for the
	// server's half to be done.
	client := func(*TCPConn) error {
		<-serverDone
		return nil
	}
	withTCPConnPair(t, client, server)
}

// Issue 17695: verify that a blocked Read is woken up by a Close.
func TestCloseUnblocksRead(t *testing.T) {
	t.Parallel()
	server := func(cs *TCPConn) error {
		// Give the client time to get stuck in a Read:
		time.Sleep(20 * time.Millisecond)
		cs.Close()
		return nil
	}
	client := func(ss *TCPConn) error {
		n, err := ss.Read([]byte{0})
		if n != 0 || err != io.EOF {
			return fmt.Errorf("Read = %v, %v; want 0, EOF", n, err)
		}
		return nil
	}
	withTCPConnPair(t, client, server)
}

// Issue 24808: verify that ECONNRESET is not temporary for read.
func TestNotTemporaryRead(t *testing.T) {
	if runtime.GOOS == "freebsd" {
		testenv.SkipFlaky(t, 25289)
	}
	if runtime.GOOS == "aix" {
		testenv.SkipFlaky(t, 29685)
	}
	t.Parallel()
	server := func(cs *TCPConn) error {
		cs.SetLinger(0)
		// Give the client time to get stuck in a Read.
		time.Sleep(50 * time.Millisecond)
		cs.Close()
		return nil
	}
	client := func(ss *TCPConn) error {
		_, err := ss.Read([]byte{0})
		if err == nil {
			return errors.New("Read succeeded unexpectedly")
		} else if err == io.EOF {
			// This happens on Plan 9.
			return nil
		} else if ne, ok := err.(Error); !ok {
			return fmt.Errorf("unexpected error %v", err)
		} else if ne.Temporary() {
			return fmt.Errorf("unexpected temporary error %v", err)
		}
		return nil
	}
	withTCPConnPair(t, client, server)
}

// The various errors should implement the Error interface.
func TestErrors(t *testing.T) {
	var (
		_ Error = &OpError{}
		_ Error = &ParseError{}
		_ Error = &AddrError{}
		_ Error = UnknownNetworkError("")
		_ Error = InvalidAddrError("")
		_ Error = &timeoutError{}
		_ Error = &DNSConfigError{}
		_ Error = &DNSError{}
	)

// ErrClosed was introduced as type error, so we can't check
	// it using a declaration.
	if _, ok := ErrClosed.(Error); !ok {
		t.Fatal("ErrClosed does not implement Error")
	}
}

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