val mediaType = "text/plain;charset=\"'utf-8'\"".toMediaType()
    if (isAndroid) {
      // Charset.forName("'utf-8'") == UTF-8
      assertEquals("UTF-8", mediaType.charsetName())
    } else {
      assertNull(mediaType.charset())
    }
  }

  @Test fun testDefaultCharset() {
    val noCharset = parse("text/plain")
    assertEquals(
      "UTF-8",
      noCharset.charset(Charsets.UTF_8)!!.name(),
    )

            byte[] utf8Bytes = Strings.getBytes(TEST_STRING, StandardCharsets.UTF_8);
            byte[] utf16Bytes = Strings.getBytes(TEST_STRING, StandardCharsets.UTF_16LE);

            // Then
            assertNotNull(utf8Bytes, "UTF-8 bytes should not be null");
            assertNotNull(utf16Bytes, "UTF-16LE bytes should not be null");
            assertTrue(utf8Bytes.length > 0, "UTF-8 bytes should not be empty");

/**
 * Constants class.
 *
 * @author shinsuke
 *
 */
public class CoreLibConstants {

    /**
     * UTF-8
     */
    public static final String UTF_8 = "UTF-8";

    /**
     * UTF-8 Charset.
     */
    public static final Charset CHARSET_UTF_8 = Charset.forName(UTF_8);

    /**
     * ISO 8601 basic format: yyyyMMdd'T'HHmmss.SSSZ
     */

        data.setRuleId("rule456");
        data.setMimeType("text/html");
        data.setCharSet("UTF-8");
        data.setContentLength(2048L);
        data.setExecutionTime(500L);
        data.setStatus(Constants.OK_STATUS);
        data.setNoFollow(false);

        byte[] content = "HTML content".getBytes(StandardCharsets.UTF_8);
        data.setResponseBody(content);

        // Add metadata

          // Mostly 2-byte UTF-8 sequences - "European" text
          return 0x800;
        } else if (userFriendly.matches("(?i)(?:Chinese|Han|Asian|BMP)")) {
          // Mostly 3-byte UTF-8 sequences - "Asian" text
          return Character.MIN_SUPPLEMENTARY_CODE_POINT;
        } else if (userFriendly.matches("(?i)(?:Cuneiform|rare|exotic|supplementary.*)")) {
          // Mostly 4-byte UTF-8 sequences - "rare exotic" text

        FtpInfo ftpInfo;

        try {
            ftpInfo = new FtpClient.FtpInfo(null, Constants.UTF_8);
            fail();
        } catch (CrawlingAccessException e) {
            // ignore
        }

        try {
            ftpInfo = new FtpClient.FtpInfo("", Constants.UTF_8);
            fail();
        } catch (CrawlingAccessException e) {
            // ignore
        }

  public void testUtf16be() {
    assertEquals(Charset.forName("UTF-16BE"), Charsets.UTF_16BE);
  }

  @J2ktIncompatible
  @GwtIncompatible // Non-UTF-8 Charset
  public void testUtf16le() {
    assertEquals(Charset.forName("UTF-16LE"), Charsets.UTF_16LE);
  }

  @J2ktIncompatible
  @GwtIncompatible // Non-UTF-8 Charset
  public void testUtf16() {

        content = "...;charset=UTF-8\"...";
        assertEquals("UTF-8", htmlTransformer.parseCharset(content));

        content = "...; charset=UTF-8\"...";
        assertEquals("UTF-8", htmlTransformer.parseCharset(content));

        content = "...;charset = UTF-8\"...";
        assertEquals("UTF-8", htmlTransformer.parseCharset(content));

        content = "...;charset=UTF-8 \"...";

    assertEquals(I18N, Resources.toString(resource, UTF_8));
    assertThat(Resources.toString(resource, US_ASCII)).isNotEqualTo(I18N);
  }

  public void testToByteArray() throws IOException {
    URL resource = getClass().getResource("testdata/i18n.txt");
    assertThat(Resources.toByteArray(resource)).isEqualTo(I18N.getBytes(UTF_8));
  }

  public void testReadLines() throws IOException {

     * A constant for "false".
     */
    public static final String FALSE = "false";

    /**
     * A constant for "UTF-8".
     */
    public static final String UTF_8 = "UTF-8";

    /**
     * A constant for UTF-8 charset.
     */
    public static final Charset UTF_8_CHARSET = StandardCharsets.UTF_8;

    /**
     * The default charset.
     */
    public static final Charset DEFAULT_CHARSET;

    /**