var headers: Headers = mockResponse.headers
    var trailers: Headers = mockResponse.trailers
    mockResponse = mockResponse.clearHeaders()
    mockResponse = mockResponse.addHeader("")
    mockResponse = mockResponse.addHeader("", "")
    mockResponse = mockResponse.addHeaderLenient("", Any())
    mockResponse = mockResponse.setHeader("", Any())
    mockResponse.headers = headersOf()

    val headers1 =
      Headers.Builder()
        .add("Connection", "close")
        .add("Transfer-Encoding", "chunked")
        .build()
    val headers2 =
      Headers.Builder()
        .add("Connection", "keep-alive")
        .add("Transfer-Encoding", "chunked")
        .build()
    assertThat(headers2).isNotEqualTo(headers1)
    assertThat(headers2.hashCode()).isNotEqualTo(headers1.hashCode().toLong())
  }

    val headers1 = peer.takeFrame()
    assertThat(headers1.type).isEqualTo(Http2.TYPE_HEADERS)
    val data1 = peer.takeFrame()
    assertThat(data1.type).isEqualTo(Http2.TYPE_DATA)
    assertThat(data1.streamId).isEqualTo(3)
    assertArrayEquals("abcdefghi".toByteArray(), data1.data)
    assertThat(data1.inFinished).isFalse()
    val headers2 = peer.takeFrame()
    assertThat(headers2.type).isEqualTo(Http2.TYPE_HEADERS)

    val headers = headersOf("User-Agent", "RequestTest")
    val request =
      Request(
        url = url,
        headers = headers,
      )
    assertThat(request.url).isEqualTo(url)
    assertThat(request.headers).isEqualTo(headers)
    assertThat(request.method).isEqualTo("GET")
    assertThat(request.body).isNull()
    assertThat(request.tags).isEmpty()
  }

  @Test
  fun constructorNoMethod() {

import mockwebserver3.MockResponse
import mockwebserver3.MockWebServer
import mockwebserver3.SocketPolicy.DisconnectAfterRequest
import mockwebserver3.SocketPolicy.DisconnectAtEnd
import okhttp3.Headers.Companion.headersOf
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.RequestBody.Companion.toRequestBody
import okhttp3.ResponseBody.Companion.toResponseBody
import okhttp3.internal.closeQuietly

    assertThat(page2.headers["Content-Length"]).isNull()
    assertThat(page2.headers["Content-Type"]).isNull()
    assertThat(page2.headers["Transfer-Encoding"]).isNull()
  }

  @Test
  fun response305UseProxy() {
    server.enqueue(
      MockResponse(
        code = HttpURLConnection.HTTP_USE_PROXY,
        headers = headersOf("Location", server.url("/").toString()),

    val partAbc = parts.nextPart()!!
    assertThat(partAbc.headers).isEqualTo(
      headersOf(
        "Content-Type",
        "text/plain; charset=utf-8",
        "Content-ID",
        "abc",
      ),
    )
    assertThat(partAbc.body.readUtf8()).isEqualTo("abcd\r\nefgh")

    val partIjk = parts.nextPart()!!
    assertThat(partIjk.headers).isEqualTo(
      headersOf(
        "Content-Type",

import java.util.Date
import okhttp3.Headers.Companion.headersOf
import org.junit.jupiter.api.Test

class HeadersKotlinTest {
  @Test fun getOperator() {
    val headers = headersOf("a", "b", "c", "d")
    assertThat(headers["a"]).isEqualTo("b")
    assertThat(headers["c"]).isEqualTo("d")
    assertThat(headers["e"]).isNull()
  }

  @Test fun iteratorOperator() {
    val headers = headersOf("a", "b", "c", "d")

    val headers = headersOf("Cache-Control", "max-age=12", "Pragma", "must-revalidate", "Pragma", "public")
    val cacheControl = parse(headers)
    assertThat(cacheControl.toString()).isEqualTo("max-age=12, public, must-revalidate")
  }

  @Test
  fun parseCacheControlHeaderValueIsRetained() {
    val value = "max-age=12"
    val headers = headersOf("Cache-Control", value)

  }

  @Test
  fun headers() {
    var headers: Headers = headersOf("", "")
    headers = mapOf("" to "").toHeaders()
    val get: String? = headers[""]
    val date: Date? = headers.getDate("")
    val instant: Instant? = headers.getInstant("")
    val size: Int = headers.size
    val name: String = headers.name(0)
    val value: String = headers.value(0)
    val names: Set<String> = headers.names()