fun correctContentType() {
    val body = "Body"
    val requestBody = body.toRequestBody(MediaType("text/plain", "text", "plain", arrayOf()))

    val contentType = requestBody.contentType()!!

    assertThat(contentType.mediaType).isEqualTo("text/plain; charset=utf-8")
    assertThat(contentType.parameter("charset")).isEqualTo("utf-8")
  }

      val requestBody = fd.toRequestBody()

      assertThat(requestBody.contentType()).isNull()
    }
  }

  @Test
  fun testFileDescriptorMediaType() {
    assertOnFileDescriptor { fd ->
      val contentType = "text/plain".toMediaType()

      val requestBody = fd.toRequestBody(contentType)

      assertThat(requestBody.contentType()).isEqualTo(contentType)
    }
  }

  @Test
  fun testFileDescriptorReadTwice() {

open class ForwardingRequestBody(
  delegate: RequestBody?,
) : RequestBody() {
  private val delegate: RequestBody

  fun delegate(): RequestBody = delegate

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

  @Throws(IOException::class)
  override fun contentLength(): Long = delegate.contentLength()

  @Throws(IOException::class)
  override fun writeTo(sink: BufferedSink) {

	if srcCtnt.Size != tgtCtnt.Size {
		fmt.Printf("differ in size sourceSize: %d, targetSize: %d\n", srcCtnt.Size, tgtCtnt.Size)
		return false
	} else if srcCtnt.ContentType != tgtCtnt.ContentType {
		fmt.Printf("differ in contentType source: %s, target: %s\n", srcCtnt.ContentType, tgtCtnt.ContentType)
		return false
	}

	core := minio.Core{Client: sclnt}
	sobj, _, _, err := core.GetObject(context.Background(), sourceBucket, srcCtnt.Key, opts)

			}
			if testCase.result.ContentType != result.ContentType {
				t.Errorf("Test %d: %s: Expected Content Type of the object to be %v, but instead found it to be %v", i+1, instanceType, testCase.result.ContentType, result.ContentType)
			}
			if testCase.result.IsDir != result.IsDir {

    val body = request.body
    assertThat(request.method).isEqualTo("POST")
    assertThat(request.url.toString()).isEqualTo("http://example.com/")
    assertThat(body!!.contentType().toString()).isEqualTo(
      "application/x-www-form-urlencoded; charset=utf-8",
    )
    assertThat(bodyAsString(body)).isEqualTo("foo")
  }

  @Test
  fun dataPut() {

      | * EventSourceListener
      | * WebSocketListener
      |(It is safe to call contentType() and contentLength() on these response bodies.)
      """.trimMargin(),
    )

  override fun timeout() = Timeout.NONE

  override fun close() {
  }
}

fun Response.stripBody(): Response =
  newBuilder()
    .body(UnreadableResponseBody(body.contentType(), body.contentLength()))

        .Builder("123")
        .addPart("Hello, World!".toRequestBody(null))
        .build()
    assertThat(body.boundary).isEqualTo("123")
    assertThat(body.type).isEqualTo(MultipartBody.MIXED)
    assertThat(body.contentType().toString())
      .isEqualTo("multipart/mixed; boundary=123")
    assertThat(body.parts.size).isEqualTo(1)
    assertThat(body.contentLength()).isEqualTo(33L)
    val buffer = Buffer()
    body.writeTo(buffer)

	// Set Etag if available.
	if objInfo.ETag != "" {
		w.Header()[xhttp.ETag] = []string{"\"" + objInfo.ETag + "\""}
	}

	if objInfo.ContentType != "" {
		w.Header().Set(xhttp.ContentType, objInfo.ContentType)
	}

	if objInfo.ContentEncoding != "" {
		w.Header().Set(xhttp.ContentEncoding, objInfo.ContentEncoding)
	}

	if !objInfo.Expires.IsZero() {

import okhttp3.RequestBody
import okio.BufferedSink
import okio.GzipSink
import okio.buffer

internal class GzipRequestBody(
  val delegate: RequestBody,
) : RequestBody() {
  override fun contentType() = delegate.contentType()

  // We don't know the compressed length in advance!
  override fun contentLength() = -1L

  override fun writeTo(sink: BufferedSink) {
    GzipSink(sink).buffer().use(delegate::writeTo)
  }