@Test
public void test() {

  assertTrue(Hash.get("test1") != Hash.get("test2"));
  assertTrue(Hash.get("test1", "test2") != Hash.get("test2"));
  assertTrue(Hash.get("test1", "test2") != Hash.get("test2", "test1"));
  assertTrue(Hash.get("test1test3") == Hash.get("test1", "test3"));
}