assertThat(new String(buf)).isEqualTo(expected.substring(5));
      assertFullyRead(reader);
    }
  }

  private static void assertFullyRead(CharSequenceReader reader) throws IOException {
    assertEquals(-1, reader.read());
    assertEquals(-1, reader.read(new char[10], 0, 10));
    assertEquals(-1, reader.read(CharBuffer.allocate(10)));
    assertEquals(0, reader.skip(10));
  }

        addDocument(indexName, client, num);

        ESSourceReader reader = new ESSourceReader(client, settings, indexName);
        reader.setScrollSize(1);
        reader.setLimitDocNumPercentage("1%");
        int count = 0;
        Set<String> valueSet = Collections.synchronizedSet(new HashSet<>());
        Map<String, Object> source;
        while ((source = reader.read()) != null) {

              -->
              <compilerArgs combine.self="override">
                <arg>-sourcepath</arg>
                <arg>${project.basedir}/src</arg>
                <arg>--add-reads=com.google.common=ALL-UNNAMED</arg>
                <arg>--add-reads=com.google.common.testlib=ALL-UNNAMED</arg>
                <!-- https://errorprone.info/docs/installation#maven -->
                <arg>-XDcompilePolicy=simple</arg>

              -->
              <compilerArgs combine.self="override">
                <arg>-sourcepath</arg>
                <arg>${project.basedir}/src</arg>
                <arg>--add-reads=com.google.common=ALL-UNNAMED</arg>
                <arg>--add-reads=com.google.common.testlib=ALL-UNNAMED</arg>
                <!-- https://errorprone.info/docs/installation#maven -->
                <arg>-XDcompilePolicy=simple</arg>

    }

    @Override
    public Model read(File input, Map<String, ?> options) throws IOException {
        return reader.read(input, options);
    }

    @Override
    public Model read(Reader input, Map<String, ?> options) throws IOException {
        return reader.read(input, options);
    }

    @Override
    public Model read(InputStream input, Map<String, ?> options) throws IOException {

            this.inputStream = inputStream;
            return this;
        }

        public XmlReaderRequestBuilder reader(Reader reader) {
            this.reader = reader;
            return this;
        }

        public XmlReaderRequestBuilder transformer(Transformer transformer) {
            this.transformer = transformer;
            return this;

        assertEquals(0, response.readBytesWireFormat(null, 0), "Should read 0 bytes");
    }

    /* ------------------------------------------------------------------ */
    /* 4. State verification after operations                             */
    /* ------------------------------------------------------------------ */

    @Test
    @DisplayName("Multiple reads update offset correctly")
    void testMultipleReadsUpdateOffset() {

"src/compress/gzip/testdata/issue6550.gz.base64", "src/compress/lzw/", "src/compress/lzw/reader.go", "src/compress/lzw/reader_test.go", "src/compress/lzw/writer.go", "src/compress/lzw/writer_test.go", "src/compress/testdata/", "src/compress/testdata/e.txt", "src/compress/testdata/gettysburg.txt", "src/compress/testdata/pi.txt", "src/compress/zlib/", "src/compress/zlib/example_test.go", "src/compress/zlib/reader.go", "src/compress/zlib/reader_test.go", "src/compress/zlib/writer.go", "src/compress/z...

        // Decode to new instance (decode reads 36 bytes, encode writes 40)
        FileBasicInfo decoded = new FileBasicInfo();
        int decodedBytes = decoded.decode(buffer, 0, 36);

        // Verify encoding/decoding
        assertEquals(40, encodedBytes); // encode writes 40 bytes (includes padding)
        assertEquals(36, decodedBytes); // decode reads 36 bytes (no padding)

            return teminated;
        }
    }

    /**
     * Thread that reads input stream data and buffers it for later retrieval.
     * Captures output from command execution with configurable line buffering.
     */
    protected static class InputStreamThread extends Thread {

        /** Buffered reader for input stream. */
        private BufferedReader br;