// When
            int modifiers = Handler.class.getModifiers();

            // Then
            assertTrue(Modifier.isPublic(modifiers));
            assertFalse(Modifier.isAbstract(modifiers));
            assertFalse(Modifier.isInterface(modifiers));
        }
    }

            // When
            int modifiers = Handler.class.getModifiers();

            // Then
            assertTrue(Modifier.isPublic(modifiers));
            assertFalse(Modifier.isAbstract(modifiers));
            assertFalse(Modifier.isInterface(modifiers));
        }
    }

        assertFalse("FessWebResourceRoot should not be abstract",
                java.lang.reflect.Modifier.isAbstract(FessWebResourceRoot.class.getModifiers()));
    }

    @Test
    public void test_constructorSignature() {
        // Verify constructor parameter types
        try {

        assertTrue("Class should be public", java.lang.reflect.Modifier.isPublic(SystemMonitorTarget.class.getModifiers()));
        assertFalse("Class should not be abstract", java.lang.reflect.Modifier.isAbstract(SystemMonitorTarget.class.getModifiers()));
        assertFalse("Class should not be final", java.lang.reflect.Modifier.isFinal(SystemMonitorTarget.class.getModifiers()));
    }

    @Test

    for (Method method : methods) {
      // Interfaces can have default methods that aren't abstract.
      // No need to verify them.
      // Can't check isDefault() for Android compatibility.
      if (!Modifier.isAbstract(method.getModifiers())) {
        continue;
      }
      // The interface could be package-private or private.
      // filter out equals/hashCode/toString
      if (method.getName().equals("equals")

            }
        }
    }

    // Test that CorsHandler is abstract
    @Test
    public void test_isAbstractClass() {
        assertTrue("CorsHandler should be abstract", Modifier.isAbstract(CorsHandler.class.getModifiers()));
    }

    // Test that process method is abstract
    @Test
    public void test_processMethodIsAbstract() throws Exception {
        try {

    for (Method method : methods) {
      // Interfaces can have default methods that aren't abstract.
      // No need to verify them.
      // Can't check isDefault() for Android compatibility.
      if (!Modifier.isAbstract(method.getModifiers())) {
        continue;
      }
      // The interface could be package-private or private.
      // filter out equals/hashCode/toString
      if (method.getName().equals("equals")

      throws ParameterNotInstantiableException,
          IllegalAccessException,
          InvocationTargetException,
          FactoryMethodReturnsNullException {
    if (!Modifier.isAbstract(cls.getModifiers())) {
      nullPointerTester.testConstructors(cls, visibility);
    }
    nullPointerTester.testStaticMethods(cls, visibility);
    if (hasInstanceMethodToTestNulls(cls, visibility)) {

      throws ParameterNotInstantiableException,
          IllegalAccessException,
          InvocationTargetException,
          FactoryMethodReturnsNullException {
    if (!Modifier.isAbstract(cls.getModifiers())) {
      nullPointerTester.testConstructors(cls, visibility);
    }
    nullPointerTester.testStaticMethods(cls, visibility);
    if (hasInstanceMethodToTestNulls(cls, visibility)) {

            Predicate<Class<?>> isPublicClass = clazz -> Modifier.isPublic(clazz.getModifiers());
            Predicate<Class<?>> isAbstractClass = clazz -> Modifier.isAbstract(clazz.getModifiers());

            final Map<File, ? extends Class<?>> classes = getTestClassNames().entrySet()
                .stream()