void testConstructorInitialization() throws Exception {
            // Given
            int testMid = 42;

            // When
            Constructor<SmbComNtCancel> constructor = SmbComNtCancel.class.getDeclaredConstructor(Configuration.class, int.class);
            constructor.setAccessible(true);
            SmbComNtCancel cancel = constructor.newInstance(mockConfig, testMid);

            // Then
            assertNotNull(cancel);

        // Access protected constructor via reflection
        Constructor<CrawlerSystemException> constructor =
                CrawlerSystemException.class.getDeclaredConstructor(String.class, boolean.class, boolean.class);
        constructor.setAccessible(true);

        // Test with suppression enabled and writable stack trace
        String message1 = "Test with suppression enabled";

    void testNoConstructorLookup() {
        // Act & Assert: interfaces have no constructors
        assertThrows(NoSuchMethodException.class, () -> SessionSetupHandler.class.getDeclaredConstructor());
    }

    @Test
    @DisplayName("Invalid: resolving class by null name throws NPE")
    void testClassForNameWithNull() {

        // ## Test that protected constructor can be accessed via reflection ##

        // ## Act ##
        final Constructor<Curl> constructor = Curl.class.getDeclaredConstructor();
        constructor.setAccessible(true);
        final Curl instance = constructor.newInstance();

        // ## Assert ##
        assertNotNull(instance);
    }

    @Test

    void testPrivateConstructor() throws Exception {
        // Verify constructor is private
        Constructor<Smb2Constants> constructor = Smb2Constants.class.getDeclaredConstructor();
        assertTrue(Modifier.isPrivate(constructor.getModifiers()), "Constructor should be private");

        // Force accessibility and create instance to achieve coverage
        constructor.setAccessible(true);

        try {
            Class<?> cls = Class.forName("jcifs.smb.SmbEnumerationUtil$" + simpleName);
            Constructor<?> ctor = cls.getDeclaredConstructor(paramTypes);
            ctor.setAccessible(true);
            return ctor.newInstance(args);
        } catch (ClassNotFoundException | NoSuchMethodException | InstantiationException | IllegalAccessException

    @Test
    public void testPrivateConstructor() throws Exception {
        // Test that SuggestUtil has a private constructor to prevent instantiation
        Constructor<SuggestUtil> constructor = SuggestUtil.class.getDeclaredConstructor();
        assertTrue(Modifier.isPrivate(constructor.getModifiers()));

        // Make it accessible to test it throws no exception
        constructor.setAccessible(true);
        constructor.newInstance();

            // When & Then - verify constructor is private by reflection
            assertDoesNotThrow(() -> {
                java.lang.reflect.Constructor<Strings> constructor = Strings.class.getDeclaredConstructor();
                assertTrue(java.lang.reflect.Modifier.isPrivate(constructor.getModifiers()), "Constructor should be private");
            }, "Should be able to access private constructor via reflection");
        }

      checkNotNull(o);
    }
  }

  public void testConstructor_ignored_shouldPass() throws Exception {
    new NullPointerTester()
        .ignore(FailOnOneOfTwoConstructors.class.getDeclaredConstructor(String.class))
        .testAllPublicConstructors(FailOnOneOfTwoConstructors.class);
  }

  public void testConstructor_shouldFail() throws Exception {
    try {