code: public static void main(String[] args) {
  		isCorrect(momentToJavaFormat("DD/MM/YYYY"), "dd/MM/yyyy");
  		isCorrect(momentToJavaFormat("DD[/]MM[/]YYYY"), "dd'/'MM'/'yyyy");
  		isCorrect(javaToMomentFormat("DD/MM/YYYY"), "[(error: DD can't be converted)]/MM/gggg");
  		isCorrect(javaToMomentFormat("DD[/]MM"), "[(error: DD cannot be converted)][(error: cannot ecape escape characters)]/[(error: cannot ecape escape characters)]MM");
  		isCorrect(javaToMomentFormat("dd/MM/yyyy"), "DD/MM/YYYY");
  	}
docs: TEST METHOD