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")

          .hostnameVerifier(hostnameVerifier)
          .build()
    }
    val responseOne =
      MockResponse
        .Builder()
        .addHeader("Content-Encoding: gzip")
    transferKind.setBody(responseOne, gzip("one (gzipped)"), 5)
    server.enqueue(responseOne.build())
    val responseTwo = MockResponse.Builder()
    transferKind.setBody(responseTwo, "two (identity)", 5)

 *
 * ```java
 * Call call = client.newCall(request);
 * call.enqueue(new Callback() {
 *   public void onResponse(Call call, Response response) throws IOException {
 *     try (ResponseBody responseBody = response.body()) {
 *     ... // Use the response.
 *     }
 *   }
 *
 *   public void onFailure(Call call, IOException e) {
 *   ... // Handle the failure.
 *   }
 * });
 * ```
 *

      }
    }
    if (responseDone) {
      if (e != null) {
        call.eventListener.responseFailed(call, e)
      } else {
        call.eventListener.responseBodyEnd(call, bytesRead)
      }
    }
    return call.messageDone(
      exchange = this,
      requestDone = requestDone && !isSocket,
      responseDone = responseDone && !isSocket,
      socketSinkDone = requestDone && isSocket,

<img src="/img/tutorial/response-status-code/image01.png">

/// note | Hinweis

Einige Responsecodes (siehe nächsten Abschnitt) kennzeichnen, dass die Response keinen Body hat.

FastAPI erkennt dies und erstellt eine OpenAPI-Dokumentation, die zeigt, dass es keinen Responsebody gibt.

///

## Über HTTP-Statuscodes { #about-http-status-codes }

/// note | Hinweis

 */
package okhttp3

import assertk.assertThat
import assertk.assertions.isEmpty
import assertk.assertions.isEqualTo
import kotlin.test.assertFailsWith
import okhttp3.ResponseBody.Companion.asResponseBody
import okhttp3.ResponseBody.Companion.toResponseBody
import okio.Buffer
import okio.BufferedSource
import okio.Source
import okio.Timeout
import okio.buffer
import org.junit.jupiter.api.Test

  }

  private fun newResponse(
    responseBody: ResponseBody,
    code: Int = 200,
  ): Response =
    Response
      .Builder()
      .request(
        Request
          .Builder()
          .url("https://example.com/")
          .build(),
      ).protocol(Protocol.HTTP_1_1)
      .code(code)
      .message("OK")
      .body(responseBody)
      .build()

      val responseBody = response.body.source()
      assertThat(responseBody.readUtf8Line())
        .isEqualTo("response A")
      assertThat(responseBody.readUtf8Line())
        .isEqualTo("response B")
      requestBody.writeUtf8("request C\n")
      requestBody.close()
      assertThat(responseBody.readUtf8Line()).isNull()
    }
    body.awaitSuccess()
  }

    },
)
async def c():
    return "c"


@router.get(
    "/d",
    responses={
        "400": {"description": "Error with str"},
        "5XX": {"model": ResponseModel},
        "default": {"model": ResponseModel},
    },
)
async def d():
    return "d"


app.include_router(router)


client = TestClient(app)


def test_a():
    response = client.get("/a")

 * limitations under the License.
 */
package okhttp3

import okio.BufferedSource

open class ForwardingResponseBody(
  delegate: ResponseBody?,
) : ResponseBody() {
  private val delegate: ResponseBody

  fun delegate(): ResponseBody = delegate

  override fun contentType(): MediaType? = delegate.contentType()

  override fun contentLength(): Long = delegate.contentLength()