final int fraglen = Encdec.dec_uint16le(inB, 8);
        if (fraglen > getMaxRecv()) {
            throw new IOException("Unexpected fragment length: " + fraglen);
        }

        while (have < fraglen) {
            final int r = this.handle.recv(inB, have, fraglen - have);
            if (r == 0) {
                throw new IOException("Unexpected EOF");

	endPos := sr.pos + int64(len(b))
	for endPos > sr.pos && err == nil {
		var nf int // Bytes read in fragment
		holeStart, holeEnd := sr.sp[0].Offset, sr.sp[0].endOffset()
		if sr.pos < holeStart { // In a data fragment
			bf := b[:min(int64(len(b)), holeStart-sr.pos)]
			nf, err = tryReadFull(sr.fr, bf)
		} else { // In a hole fragment
			bf := b[:min(int64(len(b)), holeEnd-sr.pos)]
			nf, err = tryReadFull(zeroReader{}, bf)
		}

      ) {
        builder.fragment("a${value}z")
      }

      override operator fun get(url: HttpUrl): String {
        val fragment = url.fragment
        return fragment!!.substring(1, fragment.length - 1)
      }
    }, ;

    abstract fun urlString(value: String): String

    abstract fun encodedValue(url: HttpUrl): String

    abstract operator fun set(
      builder: HttpUrl.Builder,

    val url =
      parse("http://host/#fragment")
        .newBuilder()
        .fragment(null)
        .build()
    assertThat(url.toString()).isEqualTo("http://host/")
    assertThat(url.fragment).isNull()
    assertThat(url.encodedFragment).isNull()
  }

  @Test
  fun clearEncodedFragment() {
    val url =
      parse("http://host/#fragment")
        .newBuilder()

 * query as the single string, or as individual name-value parameters. With name-value parameters
 * the values are optional and names may be repeated.
 *
 * ### Fragment
 *
 * The fragment is optional: it can be null, empty, or non-empty. Unlike host, port, path, and
 * query the fragment is not sent to the webserver: it's private to the client.
 *
 * ## Encoding
 *

    /**
     * Receives a DCERPC fragment from the remote endpoint
     * @param buf the buffer to receive the fragment data
     * @return the number of bytes received
     * @throws IOException if an I/O error occurs during reception
     */
    protected abstract int doReceiveFragment(byte[] buf) throws IOException;

    /**
     * Sends a DCERPC fragment and receives the response in a single operation

//
//	var spd sparseDatas = []sparseEntry{
//		{Offset: 2,  Length: 5},  // Data fragment for 2..6
//		{Offset: 18, Length: 3},  // Data fragment for 18..20
//	}
//	var sph sparseHoles = []sparseEntry{
//		{Offset: 0,  Length: 2},  // Hole fragment for 0..1
//		{Offset: 7,  Length: 11}, // Hole fragment for 7..17
//		{Offset: 21, Length: 4},  // Hole fragment for 21..24
//	}
//

        exp = "file://C .doc";
        assertEquals(exp, transformer.decodeUrlAsName(url, true));

        url = "http://example.com/foo/" + encodeUrl("#") + "/@@bar/index.html#fragment?foo=bar";
        exp = "http://example.com/foo/#/@@bar/index.html#fragment?foo=bar";
        assertEquals(exp, transformer.decodeUrlAsName(url, false));
    }

    @Test
    public void test_getFileName_ok() throws Exception {

        String parentUrl = "http://example.com/parent?query=test&id=123";
        String url = "http://example.com/child#fragment";
        ContentNotFoundException exception = new ContentNotFoundException(parentUrl, url);

        assertNotNull(exception);
        assertEquals("Not Found: http://example.com/child#fragment Parent: http://example.com/parent?query=test&id=123",
                exception.getMessage());

	endPos := sw.pos + int64(len(b))
	for endPos > sw.pos && err == nil {
		var nf int // Bytes written in fragment
		dataStart, dataEnd := sw.sp[0].Offset, sw.sp[0].endOffset()
		if sw.pos < dataStart { // In a hole fragment
			bf := b[:min(int64(len(b)), dataStart-sw.pos)]
			nf, err = zeroWriter{}.Write(bf)
		} else { // In a data fragment
			bf := b[:min(int64(len(b)), dataEnd-sw.pos)]
			nf, err = sw.fw.Write(bf)
		}
		b = b[nf:]