}

  /**
   * Returns true if this connection's route has the same address as any of [candidates]. This
   * requires us to have a DNS address for both hosts, which only happens after route planning. We
   * can't coalesce connections that use a proxy, since proxies don't tell us the origin server's IP
   * address.
   */
  private fun routeMatchesAny(candidates: List<Route>): Boolean {
    return candidates.any {

    val headers =
      Headers.Builder()
        .add("WWW-Authenticate: Basic realm=\"protected area\", charset=\"US-ASCII\"")
        .build()
    val expectedAuthParams = mutableMapOf<String?, String>()
    expectedAuthParams["realm"] = "protected area"
    expectedAuthParams["charset"] = "US-ASCII"
    assertThat(headers.parseChallenges("WWW-Authenticate"))
      .isEqualTo(listOf(Challenge("Basic", expectedAuthParams)))

 *  New: Upgrade to Kotlin 1.3.61.

 *  New: Match any number of subdomains with two asterisks in `CertificatePinner`. For example,
    `**.squareup.com` matches `us-west.www.squareup.com`, `www.squareup.com` and `squareup.com`.

 *  New: Share threads more aggressively between OkHttp's HTTP/2 connections, connection pool,

    assertThat(call).contains("type=" + java.net.Authenticator.RequestorType.SERVER)
    assertThat(call).contains("prompt=Bar")
    assertThat(call).contains("protocol=http")
    assertThat(call.lowercase(Locale.US))
      .contains("scheme=basic") // lowercase for the RI.
  }

  @Test
  fun allAttributesSetInProxyAuthenticationCallbacks() {
    val calls = authCallsForHeader("Proxy-Authenticate: Basic realm=\"Bar\"")

catholic.edu.au caxias.br cb.it cba cbg.ru cbn cbre cbs cc cc.ak.us cc.al.us cc.ar.us cc.as.us cc.az.us cc.ca.us cc.co.us cc.ct.us cc.dc.us cc.de.us cc.fl.us cc.ga.us cc.gu.us cc.hi.us cc.hn cc.ia.us cc.id.us cc.il.us cc.in.us cc.ks.us cc.ky.us cc.la.us cc.ma.us cc.md.us cc.me.us cc.mi.us cc.mn.us cc.mo.us cc.ms.us cc.mt.us cc.na cc.nc.us cc.nd.us cc.ne.us cc.nh.us cc.nj.us cc.nm.us cc.nv.us cc.ny.us cc.oh.us cc.ok.us cc.or.us cc.pa.us cc.pr.us cc.ri.us cc.sc.us cc.sd.us cc.tn.us cc.tx.us cc.ua cc.ut.us cc.va.us...

internal object DnsRecordCodec {
  private const val SERVFAIL = 2
  private const val NXDOMAIN = 3
  const val TYPE_A = 0x0001
  const val TYPE_AAAA = 0x001c
  private const val TYPE_PTR = 0x000c
  private val ASCII = Charsets.US_ASCII

  fun encodeQuery(
    host: String,
    type: Int,
  ): ByteString =
    Buffer().apply {
      writeShort(0) // query id
      writeShort(256) // flags with recursion

    // US K12.
    checkPublicSuffix("us", null)
    checkPublicSuffix("test.us", "test.us")
    checkPublicSuffix("www.test.us", "test.us")
    checkPublicSuffix("ak.us", null)
    checkPublicSuffix("test.ak.us", "test.ak.us")
    checkPublicSuffix("www.test.ak.us", "test.ak.us")
    checkPublicSuffix("k12.ak.us", null)
    checkPublicSuffix("test.k12.ak.us", "test.k12.ak.us")

cc.il.us
cc.in.us
cc.ks.us
cc.ky.us
cc.la.us
cc.ma.us
cc.md.us
cc.me.us
cc.mi.us
cc.mn.us
cc.mo.us
cc.ms.us
cc.mt.us
cc.nc.us
cc.nd.us
cc.ne.us
cc.nh.us
cc.nj.us
cc.nm.us
cc.nv.us
cc.ny.us
cc.oh.us
cc.ok.us
cc.or.us
cc.pa.us
cc.pr.us
cc.ri.us
cc.sc.us
cc.sd.us
cc.tn.us
cc.tx.us
cc.ut.us
cc.vi.us
cc.vt.us

        .addHeader("Accept-Language", "en-US")
        .build()
    val response1 = client.newCall(request1).execute()
    assertThat(response1.body.string()).isEqualTo("A")
    val request2 =
      Request.Builder()
        .url(url)
        .addHeader("Accept-Language", "fr-CA, fr-FR")
        .addHeader("Accept-Language", "en-US")
        .build()

 * limitations under the License.
 */
package okhttp3

import java.nio.charset.Charset
import java.util.Collections.singletonMap
import java.util.Collections.unmodifiableMap
import java.util.Locale.US
import kotlin.text.Charsets.ISO_8859_1
import okhttp3.internal.commonEquals
import okhttp3.internal.commonHashCode
import okhttp3.internal.commonToString

/**
 * An [RFC 7235][rfc_7235] challenge.
 *