codePointString: String,
    encoding: UrlComponentEncodingTester.Encoding,
    component: Component,
  ) {
    testToUrl(codePoint, encoding, component)
    testFromUrl(codePoint, encoding, component)
    testUri(codePoint, codePointString, encoding, component)
  }

  private fun testToUrl(
    codePoint: Int,
    encoding: UrlComponentEncodingTester.Encoding,
    component: Component,
  ) {

    /**
     * Creates a {@link Writer} to output to a stream with the specified encoding.
     *
     * @param os the stream (must not be {@literal null})
     * @param encoding the encoding (must not be {@literal null} or empty)
     * @return a {@link Writer} to output to the stream
     */
    public static Writer create(final OutputStream os, final String encoding) {
        assertArgumentNotNull("os", os);

    assertThat(encoding.canDecode(encoded)).isTrue();
    assertThat(encoding.decode(encoded)).isEqualTo(decoded);
  }

  private static void assertFailsToDecode(BaseEncoding encoding, String cannotDecode) {
    assertFailsToDecode(encoding, cannotDecode, null);
  }

  private static void assertFailsToDecode(
      BaseEncoding encoding, String cannotDecode, @Nullable String expectedMessage) {

    BASE32(BaseEncoding.base32()),
    BASE32_HEX(BaseEncoding.base32Hex()),
    BASE16(BaseEncoding.base16());

    final BaseEncoding encoding;

    EncodingOption(BaseEncoding encoding) {
      this.encoding = encoding;
    }
  }

  @Param EncodingOption encoding;

  @Param({"10", "100", "10000"})
  int n;

  private final byte[][] encodingInputs = new byte[INPUTS_COUNT][];

    }

    /**
     * Returns the current encoding setting.
     * @return The current encoding.
     */
    public String getEncoding() {
        return encoding;
    }

    /**
     * Sets the encoding for content extraction.
     * @param encoding The encoding to set.
     */
    public void setEncoding(final String encoding) {
        this.encoding = encoding;
    }

    /**

pkg encoding/asn1, const TagBitString ideal-int
pkg encoding/asn1, const TagBoolean = 1
pkg encoding/asn1, const TagBoolean ideal-int
pkg encoding/asn1, const TagEnum = 10
pkg encoding/asn1, const TagEnum ideal-int
pkg encoding/asn1, const TagGeneralString = 27
pkg encoding/asn1, const TagGeneralString ideal-int
pkg encoding/asn1, const TagGeneralizedTime = 24
pkg encoding/asn1, const TagGeneralizedTime ideal-int

     *
     * @param is
     *            the input stream (must not be {@literal null})
     * @param encoding
     *            the encoding of the input stream (must not be {@literal null} or empty)
     * @return a {@link Reader} to read from the file
     */
    public static InputStreamReader create(final InputStream is, final String encoding) {
        assertArgumentNotNull("is", is);

      .build()
  }

  internal fun lookupDecompressor(encoding: String): DecompressionAlgorithm? =
    algorithms.find {
      it.encoding.equals(encoding, ignoreCase = true)
    }

  /**
   * A decompression algorithm such as Gzip. Must provide the Accept-Encoding value and decompress a Source.
   */
  interface DecompressionAlgorithm {
    val encoding: String

    fun decompress(compressedSource: BufferedSource): Source

        final String encoding = xmlExtractor.getEncoding(bis);
        CloseableUtil.closeQuietly(bis);
        assertEquals("Shift_JIS", encoding);
    }

    public void test_getEncoding_utf8bom() {
        final InputStream in = ResourceUtil.getResourceAsStream("extractor/xml/test_utf8bom.xml");
        final BufferedInputStream bis = new BufferedInputStream(in);
        final String encoding = xmlExtractor.getEncoding(bis);

            assertArrayEquals(ASCII_STRING.getBytes(StandardCharsets.US_ASCII), result, "Should produce same bytes as ASCII encoding");
        }
    }

    @Nested
    @DisplayName("OEM Encoding Tests")
    class OEMEncodingTests {

        @Test
        @DisplayName("getOEMBytes should use configuration encoding")
        void testGetOEMBytes() {