TestFessLabels labels = new TestFessLabels();
            labels.testAssertPropertyNotNull(null);
            fail("Should throw IllegalArgumentException");
        } catch (IllegalArgumentException e) {
            assertEquals("The argument 'property' for message should not be null.", e.getMessage());
        }
    }

    /**
     * Test that assertPropertyNotNull does not throw exception for non-null input

        assertNotNull(mappingOption, "Mapping option should not be null");
        OptionalThing<JsonFieldNaming> fieldNamingOpt = mappingOption.getFieldNaming();
        assertTrue("Field naming should be present", fieldNamingOpt.isPresent());
        assertEquals("Field naming should be CAMEL_TO_LOWER_SNAKE", JsonFieldNaming.CAMEL_TO_LOWER_SNAKE, fieldNamingOpt.get());
    }

    @Test
    public void test_instanceCreation() {

        testResponseBuffer = new byte[] { 0x05, 0x06, 0x07, 0x08 };
        negotiation = new SmbNegotiation(mockRequest, mockResponse, testRequestBuffer, testResponseBuffer);
    }

    @Test
    @DisplayName("Constructor should properly initialize all fields")
    void testConstructor() {
        // Verify all fields are properly initialized
        assertNotNull(negotiation);
        assertSame(mockRequest, negotiation.getRequest());

  @CollectionSize.Require(absent = ZERO)
  public void testAddAll_supportedSomePresent() {
    assertTrue(
        "addAll(somePresent) should return true",
        collection.addAll(MinimalCollection.of(e3(), e0())));
    assertTrue("should contain " + e3(), collection.contains(e3()));
    assertTrue("should contain " + e0(), collection.contains(e0()));
  }

  @CollectionFeature.Require(absent = SUPPORTS_ADD)

            final String message = e.getMessage();
            assertTrue("Error message should contain var path: " + message, message.contains(varDir.toFile().getCanonicalPath()));
            assertTrue("Error message should contain webapp path: " + message, message.contains(webappDir.toFile().getCanonicalPath()));
            assertTrue("Error message should contain conf path: " + message, message.contains(confDir.toFile().getCanonicalPath()));
        }

        }).when(transport).send(any(ServerMessageBlock.class), any(ServerMessageBlock.class));

        session.send(req, resp);
        // Response state should be reset
        assertFalse(resp.received, "Response flag should be reset");
        // transport.send should be called at least once (for sessionSetup and the actual request)
        verify(transport, atLeastOnce()).send(any(ServerMessageBlock.class), any(ServerMessageBlock.class));

        // Test the no-argument constructor
        ConnectionTimeoutException exception = new ConnectionTimeoutException();
        assertNull(exception.getMessage(), "Message should be null for no-arg constructor");
        assertNull(exception.getCause(), "Cause should be null for no-arg constructor");
    }

    @Test
    void testStringConstructor() {
        // Test the constructor with a message

    class InterfaceImplementationTests {

        @Test
        @DisplayName("Should implement AllocInfo interface")
        void shouldImplementAllocInfo() {
            assertTrue(AllocInfo.class.isAssignableFrom(FileFsSizeInformation.class));
        }

        @Test
        @DisplayName("Should implement FileSystemInformation interface")
        void shouldImplementFileSystemInformation() {

            latch.countDown();
        });

        // ## Assert ##
        assertTrue("Async execution should complete within 5 seconds", latch.await(5, TimeUnit.SECONDS));
        assertNotNull(threadName.get());
        // The async execution should have run on a ForkJoinPool thread, not the main thread
        assertTrue("Should run on ForkJoinPool thread: " + threadName.get(),

    }

    @Test
    @DisplayName("Constructor with null file ID should accept null")
    void testConstructorWithNullFileId() {
        // Should not throw exception
        Smb2FlushRequest requestWithNull = new Smb2FlushRequest(mockConfig, null);
        assertNotNull(requestWithNull);
    }

    @Test
    @DisplayName("setFileId should update file ID")
    void testSetFileId() throws Exception {