* either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.io;

import static org.codelibs.core.io.FileUtil.readBytes;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;

import java.io.File;
import java.net.URL;

import org.codelibs.core.net.URLUtil;
import org.junit.Test;

/**

              readBytesDelivered = readBuffer.read(sink, minOf(byteCount, readBuffer.size))
              readBytes.update(total = readBytesDelivered)

              val unacknowledgedBytesRead = readBytes.unacknowledged
              if (errorExceptionToDeliver == null &&
                unacknowledgedBytesRead >= connection.okHttpSettings.initialWindowSize / 2
              ) {

			z.LifecycleConfigXML, err = dc.ReadBytes(z.LifecycleConfigXML)
			if err != nil {
				err = msgp.WrapError(err, "LifecycleConfigXML")
				return
			}
		case "ObjectLockConfigXML":
			z.ObjectLockConfigXML, err = dc.ReadBytes(z.ObjectLockConfigXML)
			if err != nil {
				err = msgp.WrapError(err, "ObjectLockConfigXML")
				return
			}
		case "VersioningConfigXML":
			z.VersioningConfigXML, err = dc.ReadBytes(z.VersioningConfigXML)

  var commaFound = false
  loop@ while (!exhausted()) {
    when (this[0]) {
      ','.code.toByte() -> {
        // Consume ','.
        readByte()
        commaFound = true
      }

      ' '.code.toByte(), '\t'.code.toByte() -> {
        readByte()
        // Consume space or tab.
      }

      else -> break@loop
    }
  }
  return commaFound
}

          }

          var lengthBits = source.readByte().toLong() and 0xff
          if (lengthBits == 0L || lengthBytes == 1 && lengthBits and 0b1000_0000 == 0L) {
            throw ProtocolException("invalid encoding for length")
          }

          for (i in 1 until lengthBytes) {
            lengthBits = lengthBits shl 8
            lengthBits += source.readByte().toInt() and 0xff
          }

        byte[] data = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05 };
        PacDataInputStream pdis = createInputStream(data);
        pdis.readByte(); // position is 1
        pdis.align(4);
        assertEquals(1, pdis.available());
        assertEquals(0x05, pdis.readByte());

        // Test no alignment needed
        pdis = createInputStream(new byte[] { 0x01, 0x02, 0x03, 0x04 });
        pdis.readInt(); // position is 4

    // Read the command.
    val version = fromSource.readByte() and 0xff
    if (version != VERSION_5) throw ProtocolException("unexpected version: $version")

    val command = fromSource.readByte() and 0xff

    val reserved = fromSource.readByte() and 0xff
    if (reserved != 0) throw ProtocolException("unexpected reserved: $reserved")

    val addressType = fromSource.readByte() and 0xff
    val toAddress =

  fun writeObjectIdentifier(s: String) {
    val utf8 = Buffer().writeUtf8(s)
    val v1 = utf8.readDecimalLong()
    require(utf8.readByte() == '.'.code.toByte())
    val v2 = utf8.readDecimalLong()
    writeVariableLengthLong(v1 * 40 + v2)

    while (!utf8.exhausted()) {
      require(utf8.readByte() == '.'.code.toByte())
      val vN = utf8.readDecimalLong()
      writeVariableLengthLong(vN)
    }
  }

			return n, nil
		}
		cr.offset = 0
		buf = buf[n:]
	}
	// mustRead reads from input and compares against provided slice.
	mustRead := func(b ...byte) error {
		for _, want := range b {
			got, err := cr.reader.ReadByte()
			if err == io.EOF {
				return io.ErrUnexpectedEOF
			}
			if got != want {
				if cr.debug {
					fmt.Printf("mustread: want: %q got: %q\n", string(want), string(got))
				}
				return errMalformedEncoding

          dynamicTable[index] = entry
        }
        dynamicTableByteCount += delta
      }

      @Throws(IOException::class)
      private fun readByte(): Int = source.readByte() and 0xff

      @Throws(IOException::class)
      fun readInt(
        firstByte: Int,
        prefixMask: Int,
      ): Int {
        val prefix = firstByte and prefixMask