int64(testCase.dataLen), testCase.chunkSize, bytes.NewReader(testCase.data),
				testCase.accessKey, testCase.secretKey)
		case testCase.contentEncoding == "":
			req, err = newTestStreamingSignedRequest(http.MethodPut,
				getPutObjectURL("", testCase.bucketName, testCase.objectName),
				int64(testCase.dataLen), testCase.chunkSize, bytes.NewReader(testCase.data),
				testCase.accessKey, testCase.secretKey)

      response: MockResponse.Builder,
      content: Buffer?,
      chunkSize: Int,
    )

    abstract fun newRequestBody(body: String): RequestBody

    fun setBody(
      response: MockResponse.Builder,
      content: String?,
      chunkSize: Int,
    ) {
      setBody(response, Buffer().writeUtf8(content!!), chunkSize)
    }
  }

  internal enum class ProxyConfig {

        response: MockResponse.Builder,
        content: Buffer,
        chunkSize: Int,
      ) {
        response.chunkedBody(content, chunkSize)
      }
    },
    FIXED_LENGTH {
      override fun setBody(
        response: MockResponse.Builder,
        content: Buffer,
        chunkSize: Int,
      ) {
        response.body(content)
      }
    },
    END_OF_STREAM {

    assertThat(recordedRequest.bodySize).isEqualTo(1048576)
    assertThat(recordedRequest.chunkSizes).isNotNull()
  }

  @Test
  fun uploadBodyEmptyChunkedEncoding() {
    upload(true, 0, 256)
    val recordedRequest = server.takeRequest()
    assertThat(recordedRequest.bodySize).isEqualTo(0)
    assertThat(recordedRequest.chunkSizes).isEqualTo(listOf())
  }

  @Test
  fun uploadBodyLargeChunkedEncoding() {