class SizeTests {

        @Test
        @DisplayName("Should return correct size")
        void testSize() {
            int expectedSize = Smb2Constants.SMB2_HEADER_LENGTH + 4;
            // size8 rounds up to 8-byte boundary
            int expectedAlignedSize = (expectedSize + 7) & ~7;

            assertEquals(expectedAlignedSize, echoRequest.size());
        }

        @Test

    return isRunning ? ticker.read() - startTick + elapsedNanos : elapsedNanos;
  }

  /**
   * Returns the current elapsed time shown on this stopwatch, expressed in the desired time unit,
   * with any fraction rounded down.
   *
   * <p><b>Note:</b> the overhead of measurement can be more than a microsecond, so it is generally
   * not useful to specify {@link TimeUnit#NANOSECONDS} precision here.
   *

        }

        return len;
    }

    /**
     * Rounds up the size to 8-byte alignment.
     *
     * @param size the size to align
     * @return the aligned size
     */
    protected static final int size8(final int size) {
        return size8(size, 0);
    }

    /**
     * Rounds up the size to the specified alignment.
     *
     * @param size the size to align

 * converter.reverse().convert(converter.convert(a)).equals(a)} is always true). However, it is very
 * common (perhaps <i>more</i> common) for round-trip conversion to be <i>lossy</i>. Consider an
 * example round-trip using {@link com.google.common.primitives.Doubles#stringConverter}:
 *
 * <ol>
 *   <li>{@code stringConverter().convert("1.00")} returns the {@code Double} value {@code 1.0}

import jcifs.smb1.dcerpc.ndr.NdrBuffer;
import jcifs.smb1.dcerpc.ndr.NdrException;

/**
 * Unit tests for {@link DcerpcMessage}. The tests exercise flag handling,
 * result extraction, header encoding/decoding, and the round-trip of an
 * encode/decode operation.
 */
public class DcerpcMessageTest {

    /**
     * A trivial concrete subclass used for testing. It simply writes a

key directly to its instructions. type blockExpanded struct { rounds int // Round keys, where only the first (rounds + 1) × (128 ÷ 32) words are used. enc [60]uint32 dec [60]uint32 } const ( // AES-128 has 128-bit keys, 10 rounds, and uses 11 128-bit round keys // (11×128÷32 = 44 32-bit words). // AES-192 has 192-bit keys, 12 rounds, and uses 13 128-bit round keys // (13×128÷32 = 52 32-bit words). // AES-256 has 256-bit keys, 14 rounds, and uses 15 128-bit round keys // (15×128÷32 = 60 32-bit words)....

        byte[] buffer = new byte[0];
        assertThrows(ArrayIndexOutOfBoundsException.class, () -> cmd.readBytesWireFormat(buffer, 0));
    }

    /**
     * Test round‑trip encoding/decoding of ranges using the public
     * {@link LockingAndXRange} encode/decode methods.
     */
    @Test
    void lockRangeEncodeDecodeRoundTrip() throws Exception {

    return isRunning ? ticker.read() - startTick + elapsedNanos : elapsedNanos;
  }

  /**
   * Returns the current elapsed time shown on this stopwatch, expressed in the desired time unit,
   * with any fraction rounded down.
   *
   * <p><b>Note:</b> the overhead of measurement can be more than a microsecond, so it is generally
   * not useful to specify {@link TimeUnit#NANOSECONDS} precision here.
   *

 * converter.reverse().convert(converter.convert(a)).equals(a)} is always true). However, it is very
 * common (perhaps <i>more</i> common) for round-trip conversion to be <i>lossy</i>. Consider an
 * example round-trip using {@link com.google.common.primitives.Doubles#stringConverter}:
 *
 * <ol>
 *   <li>{@code stringConverter().convert("1.00")} returns the {@code Double} value {@code 1.0}

        assertEquals(0, SMBUtil.readInt2(encoded, 2), "EOL length should be 0");
    }

    /**
     * Test round-trip encoding and decoding
     */
    @Test
    @DisplayName("Round-trip encode and decode should preserve data")
    void testRoundTrip() throws CIFSException {
        List<AvPair> originalPairs = new LinkedList<>();