assertThat(part.body.readUtf8()).isEqualTo("abcd")

    assertThat(parts.nextPart()).isNull()
  }

  @Test fun `other characters after boundary`() {
    val multipart =
      """
      |--simple boundary hi
      """.trimMargin()
        .replace(Regex("(?m)simple boundary$"), "simple boundary ")
        .replace("\n", "\r\n")

    val parts =
      MultipartReader(
        boundary = "simple boundary",