else -> source.read(sink, limit)
          }
        }
      }

      override fun timeout(): Timeout = timeout
    }

    /**
     * Returns a value in [0..maxByteCount] with the number of bytes that can be read from [source]
     * in the current part. If this returns 0 the current part is exhausted; otherwise it has at
     * least one byte left to read.
     */

        }
        bufferIndex += 4;

        // Read signature
        System.arraycopy(buffer, bufferIndex, header.signature, 0, 16);
        bufferIndex += 16;

        // Read nonce
        System.arraycopy(buffer, bufferIndex, header.nonce, 0, 16);
        bufferIndex += 16;

        // Read original message size
        header.originalMessageSize = SMBUtil.readInt4(buffer, bufferIndex);

        // The content of these bytes is not critical for this test, only that 6 bytes are read.
        byte[] data = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 }; // Sample 6 bytes
        ByteArrayInputStream bais = new ByteArrayInputStream(data);
        SessionRetargetResponsePacket packet = new SessionRetargetResponsePacket();

        // Create a buffer large enough to hold the read bytes
        byte[] buffer = new byte[6];

    /**
     * Record start of a read request
     *
     * @param bytes number of bytes being requested
     */
    public void recordReadRequest(int bytes) {
        // Track that a read was requested
        rdmaReads.incrementAndGet();
    }

    /**
     * Record successful completion of a read request
     *
     * @param bytes number of bytes successfully read

    assertThat(inputStream!!.read()).isEqualTo('A'.code)
    assertThat(inputStream.read()).isEqualTo('B'.code)
    assertThat(inputStream.read()).isEqualTo('C'.code)
    assertThat(inputStream.read()).isEqualTo('D'.code)
    assertThat(inputStream.read()).isEqualTo('E'.code)
    assertThat(inputStream.read()).isEqualTo('F'.code)
    assertThat(inputStream.read()).isEqualTo(-1)

    class IntegrationTests {

        @Test
        @DisplayName("Should handle complete read-write cycle")
        void testCompleteReadWriteCycle() throws SMBProtocolDecodingException {
            // Given
            byte[] writeBuffer = new byte[100];
            byte[] readBuffer = new byte[100];

            // Prepare valid read buffer
            SMBUtil.writeInt2(4, readBuffer, 10);

      @Throws(IOException::class)
      override fun read(
        sink: Buffer,
        byteCount: Long,
      ): Long {
        val buffer = Buffer()
        val read = delegate.read(buffer, byteCount)
        if (read != -1L) {
          sink.write(buffer.readByteString().toAsciiUppercase())
        }
        return read
      }
    }
  }

    /** {@link BufferedReader} */
    protected final BufferedReader reader;

    /** The line that has been read */
    protected String line = EMPTY;

    /**
     * Returns an {@link Iterable} that wraps a {@link LineIterator} for use in enhanced for-loops.
     *
     * @param reader
     *            The {@link Reader} to read strings from. Must not be {@literal null}.
     * @return An {@link Iterable} that wraps a {@link LineIterator}.

        }

        @Test
        @DisplayName("Should throw exception with buffer too small to read structure size")
        void testReadBytesWireFormatInsufficientBufferForStructureSize() {
            // Given
            byte[] buffer = new byte[1]; // Too small to read 2-byte structure size

            // When & Then

            beg_idx = (beg_idx + 1) % pipe_buf.length;
        }
        return result;
    }

    @Override
    public int read(final byte[] b) throws IOException {
        return read(b, 0, b.length);
    }

    @Override
    public int read(final byte[] b, int off, final int len) throws IOException {
        int result = -1;
        int i;

        if (len <= 0) {
            return 0;