*/
    public String readString() throws IOException, PACDecodingException {
        final int totalChars = readInt();
        final int unusedChars = readInt();
        final int usedChars = readInt();

        if (unusedChars > totalChars || usedChars > totalChars - unusedChars) {
            throw new PACDecodingException("Malformed string in PAC");
        }

              // 1NNNNNNN
              val index = readInt(b, PREFIX_7_BITS)
              readIndexedHeader(index - 1)
            }

            b == 0x40 -> {
              // 01000000
              readLiteralHeaderWithIncrementalIndexingNewName()
            }

            b and 0x40 == 0x40 -> {
              // 01NNNNNN
              val index = readInt(b, PREFIX_6_BITS)

    assertThrows(IllegalStateException.class, in::readInt);
  }

  public void testNewDataInput_normal() {
    ByteArrayDataInput in = ByteStreams.newDataInput(bytes);
    assertEquals(0x12345678, in.readInt());
    assertEquals(0x76543210, in.readInt());
    assertThrows(IllegalStateException.class, in::readInt);
  }

  public void testNewDataInput_readFully() {

    }
  }

  @Test
  fun publicSuffixExceptions() {
    val buffer = Buffer()
    FileSystem.SYSTEM.read(pathForTests) {
      var length = readInt()
      skip(length.toLong())
      length = readInt()
      buffer.write(this, length.toLong())
    }
    while (!buffer.exhausted()) {
      val exception = buffer.readUtf8LineStrict()

          Platform.get().log("cache corruption", WARN, it)
        }
        requestMethod = source.readUtf8LineStrict()
        val varyHeadersBuilder = Headers.Builder()
        val varyRequestHeaderLineCount = readInt(source)
        for (i in 0 until varyRequestHeaderLineCount) {
          varyHeadersBuilder.addLenient(source.readUtf8LineStrict())
        }
        varyHeaders = varyHeadersBuilder.build()

    assertThrows(IllegalStateException.class, in::readInt);
  }

  public void testNewDataInput_normal() {
    ByteArrayDataInput in = ByteStreams.newDataInput(bytes);
    assertEquals(0x12345678, in.readInt());
    assertEquals(0x76543210, in.readInt());
    assertThrows(IllegalStateException.class, in::readInt);
  }

  public void testNewDataInput_readFully() {

    }
    val padding = if (flags and FLAG_PADDED != 0) source.readByte() and 0xff else 0
    val promisedStreamId = source.readInt() and 0x7fffffff
    val headerBlockLength = lengthWithoutPadding(length - 4, flags, padding) // - 4 for readInt().
    val headerBlock = readHeaderBlock(headerBlockLength, padding, flags, streamId)
    handler.pushPromise(streamId, promisedStreamId, headerBlock)
  }

        if (read(tmp, 0, 2) < 0) {
            throw new SmbException("EOF");
        }
        return (char) Encdec.dec_uint16be(tmp, 0);
    }

    @Override
    public final int readInt() throws SmbException {
        if (read(tmp, 0, 4) < 0) {
            throw new SmbException("EOF");
        }
        return Encdec.dec_uint32be(tmp, 0);
    }

    @Override

        assertEquals(0x1234, raf.readUnsignedShort());
        assertEquals((short) 0x1234, raf.readShort());
        assertEquals((char) 0x1234, raf.readChar());
    }

    @Test
    @DisplayName("readInt/Long/Float/Double: big-endian decoding")
    void read_multiByteVariants() throws Exception {
        SmbRandomAccessFile raf = spy(newInstance("r", false, false, false));
        // int 0x01020304
        doAnswer(inv -> {

        if (read(this.tmp, 0, 2) < 0) {
            throw new SmbEndOfFileException();
        }
        return (char) Encdec.dec_uint16be(this.tmp, 0);
    }

    @Override
    public final int readInt() throws SmbException {
        if (read(this.tmp, 0, 4) < 0) {
            throw new SmbEndOfFileException();
        }
        return Encdec.dec_uint32be(this.tmp, 0);
    }

    @Override