assertNull(mediaType.charsetName())
  }

  @Test fun testUnsupportedCharset() {
    val mediaType = parse("text/plain; charset=utf-wtf")
    assertNull(mediaType.charsetName())
  }

  @Test fun testCharsetNameIsDoubleQuotedAndSingleQuoted() {
    val mediaType = parse("text/plain;charset=\"'utf-8'\"")
    assertNull(mediaType.charsetName())
  }

  @Test fun testDoubleQuotesAreSpecial() {
    val mediaType = parse("text/plain;a=\";charset=utf-8;b=\"")
    assertNull(mediaType.charsetName())
  }

  @Test fun testSingleQuotesAreNotSpecial() {
    val mediaType = parse("text/plain;a=';charset=utf-8;b='")
    assertEquals("UTF-8", mediaType.charsetName())
  }

  @Test fun testParseWithSpecialCharacters() {