}

    @Test
    @DisplayName("readUShort correctly interprets little endian")
    void testReadUShort() {
        byte[] a = new byte[] { (byte) 0xAA, (byte) 0xBB };
        int result = NtlmMessage.readUShort(a, 0);
        assertEquals(0xBBAA, result, "UShort should be little‑endian");
    }

    @Test
    @DisplayName("readUShort throws on too short array")
    void testReadUShortOutOfBounds() {

    }

    static int readUShort(final byte[] src, final int index) {
        return src[index] & 0xff | (src[index + 1] & 0xff) << 8;
    }

    static byte[] readSecurityBuffer(final byte[] src, final int index) {
        final int length = readUShort(src, index);
        final int offset = readULong(src, index + 4);

    }

    static int readUShort(final byte[] src, final int index) {
        return src[index] & 0xff | (src[index + 1] & 0xff) << 8;
    }

    static byte[] readSecurityBuffer(final byte[] src, final int index) {
        final int length = readUShort(src, index);
        final int offset = readULong(src, index + 4);

    }

    @Test
    void testReadUShort() {
        // Test readUShort with various values
        byte[] data = new byte[4];
        ByteBuffer buffer = ByteBuffer.wrap(data).order(ByteOrder.LITTLE_ENDIAN);

        // Test with a positive value
        buffer.putShort(0, (short) 0x1234);
        assertEquals(0x1234, NtlmMessage.readUShort(data, 0), "Should read positive UShort correctly.");

        // Test with zero

                // For server: Type 0x0001 (NetBIOS Computer Name)

                // Verify domain part
                assertEquals(2, Type2Message.readUShort(targetInfo, 0)); // Type 0x0002
                assertEquals(TEST_DOMAIN.getBytes(Type2Message.UNI_ENCODING).length, Type2Message.readUShort(targetInfo, 2)); // Length
                assertEquals(TEST_DOMAIN,

     * @return the short value in little-endian format
     * @throws IOException if an I/O error occurs
     */
    public short readShort() throws IOException {
        align(2);
        return Short.reverseBytes(this.dis.readShort());
    }

    /**
     * Reads a 32-bit integer value with proper alignment and byte order.
     * @return the integer value in little-endian format

    // Get frame length, optionally reading from follow-up bytes if indicated by special values.
    frameLength = (b1 and B1_MASK_LENGTH).toLong()
    if (frameLength == PAYLOAD_SHORT.toLong()) {
      frameLength = (source.readShort() and 0xffff).toLong() // Value is unsigned.
    } else if (frameLength == PAYLOAD_LONG.toLong()) {
      frameLength = source.readLong()
      if (frameLength < 0L) {
        throw ProtocolException(

        // Little-endian 0x1234 -> 0x34 0x12
        byte[] data = new byte[] { 0x34, 0x12, 0x00, 0x00 };
        PacDataInputStream pdis = createInputStream(data);
        assertEquals((short) 0x1234, pdis.readShort());
    }

    @Test
    public void testReadInt() throws IOException {
        // Little-endian 0x12345678 -> 0x78 0x56 0x34 0x12
        byte[] data = new byte[] { 0x78, 0x56, 0x34, 0x12 };

    assertEquals(100, in.readByte());
    assertEquals(-100, in.readByte());
    assertEquals(200, in.readUnsignedByte());
    assertEquals('\u6100', in.readChar());
    assertEquals(-12150, in.readShort());
    assertEquals(20675, in.readUnsignedShort());
    assertEquals(0xBEBAFECA, in.readInt());
    assertEquals(0xBEBAFECAEFBEADDEL, in.readLong());
    assertThat(in.readUTF()).isEqualTo("Herby Derby");

    assertEquals(100, in.readByte());
    assertEquals(-100, in.readByte());
    assertEquals(200, in.readUnsignedByte());
    assertEquals('\u6100', in.readChar());
    assertEquals(-12150, in.readShort());
    assertEquals(20675, in.readUnsignedShort());
    assertEquals(0xBEBAFECA, in.readInt());
    assertEquals(0xBEBAFECAEFBEADDEL, in.readLong());
    assertThat(in.readUTF()).isEqualTo("Herby Derby");