// HEAD requests never yield a body regardless of the response headers.
  if (request.method == "HEAD") {
    return false
  }

  val responseCode = code
  if ((responseCode < HTTP_CONTINUE || responseCode >= 200) &&
    responseCode != HTTP_NO_CONTENT &&
    responseCode != HTTP_NOT_MODIFIED
  ) {
    return true
  }

  // If the Content-Length or Transfer-Encoding headers disagree with the response code, the

    if (HttpMethod.permitsRequestBody(method)) {
      val responseCode = userResponse.code
      val maintainBody =
        HttpMethod.redirectsWithBody(method) ||
          responseCode == HTTP_PERM_REDIRECT ||
          responseCode == HTTP_TEMP_REDIRECT
      if (HttpMethod.redirectsToGet(method) && responseCode != HTTP_PERM_REDIRECT && responseCode != HTTP_TEMP_REDIRECT) {
        requestBuilder.method("GET", null)

    shouldWriteToCache: Boolean,
    responseCode: Int,
    method: String = "GET",
  ) {
    var expectedResponseCode = responseCode
    val server = MockWebServer()
    val builder =
      MockResponse
        .Builder()
        .addHeader("Last-Modified: " + formatDate(-1, TimeUnit.HOURS))
        .addHeader("Expires: " + formatDate(1, TimeUnit.HOURS))
        .code(responseCode)
        .body("ABCDE")

    val proxy = authHeader.startsWith("Proxy-")
    val responseCode = if (proxy) 407 else 401
    val authenticator = RecordingAuthenticator(null)
    java.net.Authenticator.setDefault(authenticator)
    server.enqueue(
      MockResponse
        .Builder()
        .code(responseCode)
        .addHeader(authHeader)
        .body("Please authenticate.")
        .build(),