### Question:
ParserException extends RuntimeException { public ParserException() { super(); } ParserException();  ParserException(Throwable throwable);  ParserException(String msg);  ParserException(String msg, Throwable throwable);   }### Answer:
@Test public void testParserException() { ParserException pe = new ParserException(); assertEquals("wrong msg", null, pe.getMessage()); assertEquals("wrong cause", null, pe.getCause()); }