val bytes = responseBody.bytes()
    val charStream = responseBody.charStream()
    val string = responseBody.string()
    responseBody.close()
    responseBody = "".toResponseBody("".toMediaType())
    responseBody = "".toResponseBody(null)
    responseBody = ByteString.EMPTY.toResponseBody("".toMediaType())
    responseBody = ByteString.EMPTY.toResponseBody(null)

    s: String,
    responseSent: CountDownLatch = CountDownLatch(0),
  ) = apply {
    actions += { stream ->
      stream.responseBody.writeUtf8(s)
      stream.responseBody.flush()
      responseSent.countDown()
    }
  }

  fun exhaustResponse() =
    apply {
      actions += { stream -> stream.responseBody.close() }
    }

  fun sleep(
    duration: Long,
    unit: TimeUnit,
  ) = apply {

| RequestBody.create(String)          | String.toRequestBody()          |
| ResponseBody.create(BufferedSource) | BufferedSource.asResponseBody() |
| ResponseBody.create(ByteArray)      | ByteArray.toResponseBody()      |
| ResponseBody.create(ByteString)     | ByteString.toResponseBody()     |
| ResponseBody.create(String)         | String.toResponseBody()         |


SAM Conversions
---------------

    val response = call.execute()
    cancelLater(call, 500)
    val responseBody = response.body.byteStream()
    val buffer = ByteArray(1024)
    assertFailsWith<IOException> {
      while (responseBody.read(buffer) != -1) {
      }
    }.also { expected ->
      assertEquals(cancelMode == INTERRUPT, Thread.interrupted())
    }
    responseBody.close()

            }
        }
        return null;
    }

    public void setResponseBody(final byte[] responseBody) {
        responseBodyBytes = responseBody;
    }

    public void setResponseBody(final File responseBody, final boolean isTemporary) {
        responseBodyFile = responseBody;
        isTemporaryFile = isTemporary;
    }

    public String getCharSet() {
        return charSet;
    }

          .build(),
      )
    val response = call.execute()
    interruptLater(500)
    val responseBody = response.body.byteStream()
    val buffer = ByteArray(1024)
    assertFailsWith<IOException> {
      while (responseBody.read(buffer) != -1) {
      }
    }
    responseBody.close()
  }

  private fun sleep(delayMillis: Int) {
    try {
      Thread.sleep(delayMillis.toLong())

  /**
   * Invokes the request immediately, and blocks until the response can be processed or is in error.
   *
   * To avoid leaking resources callers should close the [Response] which in turn will close the
   * underlying [ResponseBody].
   *
   * ```java
   * // ensure the response (and underlying response body) is closed
   * try (Response response = client.newCall(request).execute()) {
   *   ...
   * }
   * ```
   *

      @Override public void onFailure(Call call, IOException e) {
        e.printStackTrace();
      }

      @Override public void onResponse(Call call, Response response) throws IOException {
        try (ResponseBody responseBody = response.body()) {
          if (!response.isSuccessful()) throw new IOException("Unexpected code " + response);

          Headers responseHeaders = response.headers();

    assertThat(source.exhausted()).isTrue()
    assertThat(source.readUtf8()).isEqualTo("")
  }

  @Test
  fun sourceClosesUnderlyingSource() {
    var closed = false

    val body: ResponseBody =
      object : ResponseBody() {
        override fun contentType(): MediaType? {
          return null
        }

        override fun contentLength(): Long {
          return 5
        }

import okhttp3.ResponseBody
import okio.BufferedSource

class RealResponseBody(
  /**
   * Use a string to avoid parsing the content type until needed. This also defers problems caused
   * by malformed content types.
   */
  private val contentTypeString: String?,
  private val contentLength: Long,
  private val source: BufferedSource,
) : ResponseBody() {