* There should be tests testing the source example.
* Before the PR is applied, the new tests should fail.
* After applying the PR, the new tests should pass.
* Coverage should stay at 100%.

    }

    @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 {

    private static final int TEST_FID = 0x1234;

    @BeforeEach
    void setUp() {
        MockitoAnnotations.openMocks(this);
    }

    @Test
    @DisplayName("Constructor should initialize with correct values")
    void testConstructor() {
        // Act
        transPeekNamedPipe = new TransPeekNamedPipe(mockConfig, TEST_PIPE_NAME, TEST_FID);

        // Assert

        CustomSmbTree inner = middle.unwrap(CustomSmbTree.class);

        assertNotNull(middle, "Middle tree should not be null");
        assertNotNull(inner, "Inner tree should not be null");
        assertSame(middleTree, middle, "Should return correct middle tree");
        assertSame(innerTree, inner, "Should return correct inner tree");
    }

    /**
     * Test for unwrap with incompatible type.

        for (final String cmd : processedCommands) {
            assertFalse("Command should not contain ${url}", cmd.contains("${url}"));
            assertFalse("Command should not contain ${outputFile}", cmd.contains("${outputFile}"));
            assertTrue("Command should contain temp path", cmd.contains(tempPath));
            assertTrue("Command should contain output path", cmd.contains(outputPath));
        }
    }

        assertNotNull(ResolverType.RESOLVER_WINS, "RESOLVER_WINS should not be null.");
        assertNotNull(ResolverType.RESOLVER_BCAST, "RESOLVER_BCAST should not be null.");
        assertNotNull(ResolverType.RESOLVER_DNS, "RESOLVER_DNS should not be null.");
        assertNotNull(ResolverType.RESOLVER_LMHOSTS, "RESOLVER_LMHOSTS should not be null.");
    }

    /**
     * Tests the total number of enum constants.

  @MapFeature.Require(SUPPORTS_PUT)
  public void testComputeIfAbsent_supportedAbsent() {
    assertEquals(
        "computeIfAbsent(notPresent, function) should return new value",
        v3(),
        getMap()
            .computeIfAbsent(
                k3(),
                k -> {
                  assertEquals(k3(), k);
                  return v3();

        }

        /**
         * Verifies that isStale returns true for a stale handle.
         */
        @Test
        public void testIsStale_ReturnsTrueWhenStale() {
            when(smbPipeHandle.isStale()).thenReturn(true);
            assertTrue(smbPipeHandle.isStale(), "isStale() should return true for a stale handle.");
        }

        // 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

            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