@Test
public void testFilterSelf(){

	ParamMap map1 = new ParamMap("aa=aa-value&bb=bb-value");
	map1.putElement("dd", "dd-value");
	map1.putElement("test-ee", "testee-value");
	map1.putElement("test-dd", "testdd-value");
	map1.putElement("aa-test-dd", "testdd-value");
	
	map1.filter("*test*");
	System.out.println("map1:" + map1);
	Assert.assertEquals("{aa=[aa-value], bb=[bb-value], dd=[dd-value]}", map1.toString());
}