throw IOException("Broken!")
            }
          }.buffer()
        }
      }
    assertThat(body.source().readUtf8()).isEqualTo("hello")
    body.close()
  }

  @Test
  fun unicodeText() {
    val text = "eile oli oliiviõli"
    val body = text.toResponseBody()
    assertThat(body.string()).isEqualTo(text)
  }

  @Test
  fun unicodeTextWithCharset() {
    val text = "eile oli oliiviõli"

 *
 * <p>For up-to-date Unicode character properties (digit, letter, etc.) and support for
 * supplementary code points, use ICU4J UCharacter and UnicodeSet (freeze() after building). For
 * basic text processing based on UnicodeSet use the ICU4J UnicodeSetSpanner.
 *
 * <p>Example usages:
 *
 * <pre>
 *   String trimmed = {@link #whitespace() whitespace()}.{@link #trimFrom trimFrom}(userInput);