fileStandardInfo.decode(buffer, 0, buffer.length);
        assertEquals(expectedEndOfFile, fileStandardInfo.getSize());
    }

    @Test
    @DisplayName("Test size method returns 22")
    void testSize() {
        assertEquals(22, fileStandardInfo.size());
    }

    @Test
    @DisplayName("Test decode with valid data")
    void testDecodeWithValidData() throws SMBProtocolDecodingException {
        // Prepare test data

        byte[] dst = new byte[1024];
        int result = setupAndX.writeParameterWordsWireFormat(dst, 0);

        // Verify that data was written (should write 22 bytes based on implementation)
        assertEquals(22, result, "writeParameterWordsWireFormat should write 22 bytes");
    }

    @Test
    void testWriteBytesWireFormat() {
        byte[] dst = new byte[1024];
        int result = setupAndX.writeBytesWireFormat(dst, 0);

        bb.putShort((short) 300); // ttl
        bb.putShort((short) 22); // pathOffset (relative to start of referral)
        bb.putShort((short) 54); // altPathOffset
        bb.putShort((short) 76); // nodeOffset

        // Path string at offset 22 (relative to start of referral at position 0)
        bb.position(22);
        String path = "\\\\server\\share";
        bb.put(path.getBytes(StandardCharsets.UTF_16LE));

        assertEquals(DEFAULT_SECURITY_MODE, SMBUtil.readInt2(buffer, 20));

        // Verify dialect count (2 bytes)
        assertEquals(defaultDialects.length, SMBUtil.readInt2(buffer, 22));

        // Verify dialects
        int dialectOffset = 24;
        for (int i = 0; i < defaultDialects.length; i++) {
            assertEquals(defaultDialects[i], SMBUtil.readInt2(buffer, dialectOffset + i * 2));

    }

    @Test
    @DisplayName("Test decode with typical values")
    void testDecodeWithTypicalValues() throws SMBProtocolDecodingException {
        // Prepare test data
        byte[] buffer = new byte[22];
        int idFileSystem = 0x12345678;
        int sectPerAlloc = 8;
        long alloc = 1000000L;
        long free = 500000L;
        int bytesPerSect = 512;

        // Encode test data
        int offset = 0;

        SMBUtil.writeInt2(testSecurityMode, buffer, bufferIndex + 20);

        // Set dialect (2 bytes)
        int testDialect = 0x0311;
        SMBUtil.writeInt2(testDialect, buffer, bufferIndex + 22);

        // Execute decode
        int bytesDecoded = response.decode(buffer, bufferIndex, 24);

        // Verify results
        assertEquals(24, bytesDecoded, "Should decode exactly 24 bytes");

                      rangeMap.put(entry.getKey(), entry.getValue());
                    }
                    return rangeMap.subRangeMap(Range.atMost(22)).asMapOfRanges();
                  }

                  @SuppressWarnings("unchecked")
                  @Override
                  public Entry<Range<Integer>, String>[] createArray(int length) {

    cache.put(10, 20);
    fakeTicker.advance(500, MILLISECONDS);
    cache.put(20, 22);
    cache.put(5, 10);

    fakeTicker.advance(501, MILLISECONDS);

    assertThat(cache.asMap().values().contains(22)).isTrue();
    assertThat(cache.asMap().values().contains(10)).isTrue();
    assertThat(cache.asMap().values().contains(20)).isFalse();
  }

  @Test
  @J2ktIncompatible
  public void asMapKeySet() {

And if you see the resulting OpenAPI (at `/openapi.json` in your API), you will see your extension as part of the specific *path operation* too:

```JSON hl_lines="22"
{
    "openapi": "3.1.0",
    "info": {
        "title": "FastAPI",
        "version": "0.1.0"
    },
    "paths": {
        "/items/": {
            "get": {

자동 API 문서를 열면, 해당 특정 *경로 처리*의 하단에 확장이 표시됩니다.

<img src="/img/tutorial/path-operation-advanced-configuration/image01.png">

또한 API의 `/openapi.json`에서 결과 OpenAPI를 보면, 특정 *경로 처리*의 일부로 확장이 포함된 것도 확인할 수 있습니다:

```JSON hl_lines="22"
{
    "openapi": "3.1.0",
    "info": {
        "title": "FastAPI",
        "version": "0.1.0"
    },
    "paths": {
        "/items/": {
            "get": {