case *UnixAddr:
		la, _ := la.(*UnixAddr)
		c, err = sd.dialUnix(ctx, la, ra)
	default:
		return nil, &OpError{Op: "dial", Net: sd.network, Source: la, Addr: ra, Err: &AddrError{Err: "unexpected address type", Addr: sd.address}}
	}
	if err != nil {
		return nil, &OpError{Op: "dial", Net: sd.network, Source: la, Addr: ra, Err: err} // c is non-nil interface containing nil pointer
	}
	return c, nil
}

import assertk.fail
import java.io.IOException
import java.net.InetAddress
import java.net.InetSocketAddress
import java.net.Proxy
import java.security.cert.X509Certificate
import java.util.Arrays
import java.util.concurrent.CountDownLatch
import java.util.concurrent.atomic.AtomicInteger
import java.util.concurrent.atomic.AtomicReference
import javax.net.ssl.HostnameVerifier
import javax.net.ssl.SSLPeerUnverifiedException

				IPs:      []net.IP{{127, 0, 0, 1}},
			},
			&certutil.AltNames{
				DNSNames: []string{"a"},
				IPs:      []net.IP{{127, 0, 0, 1}},
			},
		},
		{
			&certutil.AltNames{
				DNSNames: []string{"a"},
				IPs:      []net.IP{{127, 0, 0, 1}, {127, 0, 0, 1}},
			},
			&certutil.AltNames{
				DNSNames: []string{"a"},
				IPs:      []net.IP{{127, 0, 0, 1}},
			},
		},
		{

import assertk.assertions.isEqualTo
import assertk.assertions.startsWith
import assertk.fail
import java.io.IOException
import java.net.ServerSocket
import java.net.Socket
import java.util.concurrent.CountDownLatch
import java.util.concurrent.TimeUnit.MILLISECONDS
import javax.net.ServerSocketFactory
import javax.net.SocketFactory
import kotlin.test.assertFailsWith
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer

        when:
        outgoingConnector.connect(address)

        then:
        ConnectException e = thrown()
        e.message.startsWith "Could not connect to server ${address}."
        e.cause instanceof java.net.ConnectException
    }

    def "the exception includes last failure when cannot connect"() {

import assertk.assertThat
import assertk.assertions.containsExactly
import assertk.assertions.isEmpty
import assertk.assertions.isEqualTo
import java.io.IOException
import java.net.InetAddress
import java.net.InetSocketAddress
import java.net.Proxy
import java.net.SocketTimeoutException
import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.SocketPolicy.ResetStreamAtStart

      }

      init {
        val platformSystemProperty = getPlatformSystemProperty()

        if (platformSystemProperty == JDK9_PROPERTY) {
          if (System.getProperty("javax.net.debug") == null) {
            System.setProperty("javax.net.debug", "")
          }
        } else if (platformSystemProperty == CONSCRYPT_PROPERTY) {
          if (Security.getProviders()[0].name != "Conscrypt") {

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package http

import (
	"errors"
	"fmt"
	"log"
	"net"
	"net/http/internal/ascii"
	"net/textproto"
	"strconv"
	"strings"
	"time"
)

// A Cookie represents an HTTP cookie as sent in the Set-Cookie header of an
// HTTP response or the Cookie header of an HTTP request.
//

// license that can be found in the LICENSE file.

// Package cookiejar implements an in-memory RFC 6265-compliant http.CookieJar.
package cookiejar

import (
	"cmp"
	"errors"
	"fmt"
	"net"
	"net/http"
	"net/http/internal/ascii"
	"net/url"
	"slices"
	"strings"
	"sync"
	"time"
)

// PublicSuffixList provides the public suffix of a domain. For example:
//   - the public suffix of "example.com" is "com",

		lc = new(ListenConfig)
	case 1:
		lc = lcOpt[0]
	default:
		t.Helper()
		t.Fatal("too many ListenConfigs passed to newLocalListener: want 0 or 1")
	}

	listen := func(net, addr string) Listener {
		ln, err := lc.Listen(context.Background(), net, addr)
		if err != nil {
			t.Helper()
			t.Fatal(err)
		}
		return ln
	}

	switch network {
	case "tcp":
		if supportsIPv4() {