length: Int,
      flags: Int,
      padding: Int,
    ): Int {
      var result = length
      if (flags and FLAG_PADDED != 0) result-- // Account for reading the padding length.
      if (padding > result) {
        throw IOException("PROTOCOL_ERROR padding $padding > remaining length $result")
      }
      result -= padding
      return result
    }
  }

        }

        @ParameterizedTest
        @DisplayName("Should handle various padding values")
        @ValueSource(ints = { 0, 1, 15, 127, 255 })
        void testVariousPadding(int padding) {
            assertDoesNotThrow(() -> request.setPadding((byte) padding));
        }

        @ParameterizedTest
        @DisplayName("Should handle various read lengths")

        int written = trans2SetFileInfo.writeDataWireFormat(buffer, 0);

        // Should write FileInformation data + 6 bytes padding
        assertEquals(46, written); // 40 + 6

        // Verify encode was called
        verify(mockFileInfo).encode(buffer, 0);

        // Check that 6 bytes of padding are zeros
        for (int i = 40; i < 46; i++) {
            assertEquals(0, buffer[i]);
        }
    }

    void testGetType() throws SMBProtocolDecodingException {
        // Prepare buffer with specific type value
        testBuffer[0] = 0x01; // revision
        testBuffer[1] = 0x00; // padding
        testBuffer[2] = 0x04; // type low byte
        testBuffer[3] = (byte) 0x80; // type high byte (0x8004)
        // Set all offsets to 0
        for (int i = 4; i < 20; i++) {
            testBuffer[i] = 0;

        // DACL at offset 60
        buffer.position(60);
        buffer.put((byte) 0x02); // AclRevision
        buffer.put((byte) 0x00); // Padding
        buffer.putShort((short) 8); // AclSize
        buffer.putShort((short) 0); // AceCount
        buffer.putShort((short) 0); // Padding

        return buffer.array();
    }

    /**
     * Helper method to set error code using reflection
     */

   * @return an array containing the values of {@code array}, with guaranteed minimum length {@code
   *     minLength}
   */
  public static boolean[] ensureCapacity(boolean[] array, int minLength, int padding) {
    checkArgument(minLength >= 0, "Invalid minLength: %s", minLength);
    checkArgument(padding >= 0, "Invalid padding: %s", padding);

   * @return an array containing the values of {@code array}, with guaranteed minimum length {@code
   *     minLength}
   */
  public static boolean[] ensureCapacity(boolean[] array, int minLength, int padding) {
    checkArgument(minLength >= 0, "Invalid minLength: %s", minLength);
    checkArgument(padding >= 0, "Invalid padding: %s", padding);

        int[] positions = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 15, 16 };
        for (int pos : positions) {
            int padding = (int) pad8Method.invoke(req, pos);

            // Verify padding makes position 8-byte aligned
            assertEquals(0, (pos + padding) % 8);
        }
    }

    @Test
    @DisplayName("Should write bytes at different buffer offsets")

    val paddingLength = 254
    val padding = ByteArray(paddingLength)
    Arrays.fill(padding, 0.toByte())
    writeMedium(frame, dataLength + paddingLength + 1)
    frame.writeByte(Http2.TYPE_DATA)
    frame.writeByte(FLAG_PADDED)
    frame.writeInt(expectedStreamId and 0x7fffffff)
    frame.writeByte(paddingLength)
    frame.write(expectedData)
    frame.write(padding)

        // Number of referrals (2 bytes) - value: 1
        SMBUtil.writeInt2(1, buffer, 2);

        // Flags (2 bytes)
        SMBUtil.writeInt2(0x0003, buffer, 4);

        // Padding (2 bytes)
        buffer[6] = 0;
        buffer[7] = 0;

        // First referral (minimal structure)
        // Version (2 bytes)
        SMBUtil.writeInt2(3, buffer, 8);