Subject second = auth.getSubject();
        if (first == null && second == null) {
            // Both null - caching is working
            assertNull(second, "Second getSubject should return same result as first (both null)");
        } else if (first != null && second != null) {
            // Both non-null - should be same instance

        return newArray;
    }

    /**
     * Returns an array that is the concatenation of two arrays.
     * <p>
     * If either or both arrays are {@literal null}, the other array is returned as is.
     * If either or both arrays have a length of {@literal 0}, the other array is returned as is.
     * In any case, the returned array is the same instance as the argument array and is not copied.
     * </p>

                new String[] { SuggestConstants.DEFAULT_ROLE }, null, SuggestItem.Kind.QUERY);

        // Both Document and Query (simulated by setting both frequencies)
        String[][] readings3 = new String[1][];
        readings3[0] = new String[] { "both" };
        items[2] = new SuggestItem(new String[] { "両方" }, readings3, new String[] { "content" }, 1L, 1L, -1.0f, new String[] { "tag1" },

            // Both should have same properties
            assertEquals(request1.getCommand(), request2.getCommand());
            assertEquals(request1.size(), request2.size());

            // But be different objects
            assertNotSame(request1, request2);

            // Both should create valid responses

        // Base size 120 + 50 = 170, aligned to 8 = 176
        assertEquals(176, size);
        verify(mockOutputData).size();
    }

    @Test
    @DisplayName("Test size calculation with both input and output data")
    void testSizeWithBothData() {
        setupMockConfig();
        Smb2IoctlRequest request = new Smb2IoctlRequest(mockConfig, TEST_CONTROL_CODE);
        when(mockInputData.size()).thenReturn(100);

        when(mockFile2.createTime()).thenReturn(System.currentTimeMillis() - 7200000);
        when(mockFile2.lastAccess()).thenReturn(System.currentTimeMillis() - 900000);

        // Request leases for both directories
        Smb2LeaseKey key1 = directoryLeaseManager.requestDirectoryLease(dir1, DirectoryLeaseState.DIRECTORY_READ_HANDLE,
                DirectoryCacheScope.IMMEDIATE_CHILDREN);

        Smb2LeaseKey key2 =

        d.readBytesWireFormat(buf, 0);

        // After a full read both flags should be set and hasMore should be false
        assertTrue(d.getParametersDone(), "parametersDone should be true after reading");
        assertTrue(d.getDataDone(), "dataDone should be true after reading");
        assertFalse(d.getHasMore(), "hasMore should be false when both packets are fully read");
    }

    /**

        assertEquals(FileInformation.FILE_INTERNAL_INFO, internalInfo.getFileInformationLevel());
    }

    /**
     * Test that FileInformation can be used as both Decodable and Encodable
     */
    @Test
    @DisplayName("Test FileInformation as both Decodable and Encodable")
    void testFileInformationAsDecodableAndEncodable() throws SMBProtocolDecodingException {

        assertNotNull(exception3);
        assertEquals(message3, exception3.getMessage());

        // Test with both disabled
        String message4 = "Test with both disabled";
        CrawlerSystemException exception4 = constructor.newInstance(message4, false, false);
        assertNotNull(exception4);
        assertEquals(message4, exception4.getMessage());

        /**
         * Checks if the given path is allowed according to this directive.
         * According to RFC 9309:
         * 1. Find the longest matching pattern (by priority length)
         * 2. If both Allow and Disallow patterns match with the same length, Allow takes precedence
         * 3. If no pattern matches, the path is allowed by default
         *
         * @param path the path to check