@Test
public void generateCompositeId_null_empty() {
RegistryUtil util = new RegistryUtil();
assertNull(util.generateCompositeId());
assertNull(util.generateCompositeId(null));
assertEquals("$NULL$~$EMPTY$~ ~ ", util.generateCompositeId(null, "", " ", " "));
}
@Test
public void generateCompositeId() {
RegistryUtil util = new RegistryUtil();
String id = util.generateCompositeId("test");
assertEquals("test", id);
id = util.generateCompositeId("a", "b", "c");
assertEquals("a~b~c", id);
}
