@Test public void testGenerateDESKeyThrowsJCEHandlerException2() throws Throwable { try { new JCEHandler((Provider) null).generateDESKey((short) 65); fail("Expected JCEHandlerException to be thrown"); } catch (JCEHandlerException ex) { assertEquals("ex.getMessage()", "java.lang.NullPointerException", ex.getMessage()); assertNull("ex.getNested().getMessage()", ex.getNested().getMessage()); } }