112         Class<?> clazz = Class.forName("sun.security.x509.X500Name");
113         Field f = clazz.getField("SERIALNUMBER_OID");
114 
115         assertThrows(IllegalAccessException.class, () -> f.get(null));
116 
117         assertThrows(InaccessibleObjectException.class, () -> f.setAccessible(true));
118 
119         f.setAccessible(false); // should succeed
120     }
121 
122 
123     /**
124      * Test that the Class constructor cannot be make accessible.
125      */
126     @Test
127     public void testJavaLangClass() throws Exception {
128 
129         // non-public constructor
130         Constructor<?> ctor
131             = Class.class.getDeclaredConstructor(ClassLoader.class, Class.class, char.class,
132                                                  ProtectionDomain.class, boolean.class, char.class);
133         AccessibleObject[] ctors = { ctor };
134 
135         assertThrows(SecurityException.class, () -> ctor.setAccessible(true));
136         assertThrows(SecurityException.class, () -> AccessibleObject.setAccessible(ctors, true));
137 
138         // should succeed
139         ctor.setAccessible(false);
140         AccessibleObject.setAccessible(ctors, false);
141 
142     }
143 
144 }

112         Class<?> clazz = Class.forName("sun.security.x509.X500Name");
113         Field f = clazz.getField("SERIALNUMBER_OID");
114 
115         assertThrows(IllegalAccessException.class, () -> f.get(null));
116 
117         assertThrows(InaccessibleObjectException.class, () -> f.setAccessible(true));
118 
119         f.setAccessible(false); // should succeed
120     }
121 
122 
123     /**
124      * Test that the Class constructor cannot be make accessible.
125      */
126     @Test
127     public void testJavaLangClass() throws Exception {
128 
129         // non-public constructor
130         Constructor<?> ctor
131             = Class.class.getDeclaredConstructor(ClassLoader.class, Class.class, char.class,
132                                                  ProtectionDomain.class, boolean.class, boolean.class, char.class);
133         AccessibleObject[] ctors = { ctor };
134 
135         assertThrows(SecurityException.class, () -> ctor.setAccessible(true));
136         assertThrows(SecurityException.class, () -> AccessibleObject.setAccessible(ctors, true));
137 
138         // should succeed
139         ctor.setAccessible(false);
140         AccessibleObject.setAccessible(ctors, false);
141 
142     }
143 
144 }