// Only useUnicode is set before the instanceof check (line 149)
        assertEquals(block.useUnicode, next.useUnicode, "useUnicode must be propagated");
        assertTrue(next.writeParamCalls > 0, "chained SMB parameter words should be written");
        assertTrue(next.writeBytesCalls > 0, "chained SMB bytes should be written");
    }

    @Test
    @DisplayName("decode basic AndX block with no chaining")

            SMBUtil.writeInt2(0, buffer, SmbConstants.SMB1_HEADER_LENGTH + 1);

            assertThrows(SMBProtocolDecodingException.class, () -> {
                testBlock.decode(buffer, 0);
            });
        }

        @Test
        @DisplayName("Test decode with retain payload")
        void testDecodeWithRetainPayload() throws SMBProtocolDecodingException {
            testBlock.retainPayload();

   * UTCTime or GeneralizedTime.
   */
  @Test fun `can read GENERALIZED_TIME before 2050`() {
    val generalizedTimeDer = "180f32303439313233313233353935395a".decodeHex()

    val decoded = CertificateAdapters.time.fromDer(generalizedTimeDer)
    assertThat(decoded).isEqualTo(date("2049-12-31T23:59:59.000+0000").time)
  }

  @Test fun `time before 1950 uses GENERALIZED_TIME`() {

            assertEquals(0, buffer.getNumReferrals());
            assertEquals(0, buffer.getTflags());
        }
    }

    @Nested
    @DisplayName("Decode Tests")
    class DecodeTests {

        @Test
        @DisplayName("Should decode buffer with no referrals")
        void testDecodeNoReferrals() {
            // Prepare test data: pathConsumed=0, numReferrals=0, tflags=0

                enc = encoding;
            }

            try {
                url = URLDecoder.decode(url, enc);
            } catch (final Exception e) {
                // Failed to decode URL, using original URL as-is
                if (getLogger().isDebugEnabled()) {
                    getLogger().debug("Failed to decode URL with encoding {}: {}", enc, url, e);
                }
            }
        }

            assertEquals(FileSystemInformation.FS_SIZE_INFO, fileFsSizeInfo.getFileSystemInformationClass());
        }
    }

    @Nested
    @DisplayName("Decode Method Tests")
    class DecodeMethodTests {

        @Test
        @DisplayName("Should decode buffer with typical values correctly")
        void shouldDecodeBufferWithTypicalValues() throws SMBProtocolDecodingException {

            The event payload.

            Can be any JSON-serializable value: a Pydantic model, dict, list,
            string, number, etc. It is **always** serialized to JSON: strings
            are quoted (`"hello"` becomes `data: "hello"` on the wire).

            Mutually exclusive with `raw_data`.
            """
        ),
    ] = None
    raw_data: Annotated[
        str | None,
        Doc(
            """

        assertEquals("testlog", AdminLogAction.sanitizeFilename("test..log"));
    }

    @Test
    public void test_sanitizeFilename_removesMultipleDoubleDots() {
        // "...." becomes "" (two ".." are removed)
        assertEquals("", AdminLogAction.sanitizeFilename("...."));
        assertEquals("/test.log", AdminLogAction.sanitizeFilename("....//test.log"));

Make sure you [Upgrade the FastAPI version](../deployment/versions.md#upgrading-the-fastapi-versions) to at least 0.95.1 before using `Annotated`.

///

## Use `Annotated` in the type for the `q` parameter { #use-annotated-in-the-type-for-the-q-parameter }

Remember I told you before that `Annotated` can be used to add metadata to your parameters in the [Python Types Intro](../python-types.md#type-hints-with-metadata-annotations)?

  private val Request.isChunked: Boolean
    get() = "chunked".equals(header("Transfer-Encoding"), ignoreCase = true)

  /**
   * Trailers received when the response body became exhausted.
   *
   * If the response body was successfully read until the end, this is the headers that followed,
   * or empty headers if there were none that followed.
   *