@Test
public void replaceOptional() {
assertEquals(Optional.of(1), map.replaceOptional("Key1", 11));
assertEquals(Optional.of(11), map.replaceOptional("Key1", 12));
assertEquals(Optional.empty(), map.replaceOptional("NonExistingKey", 999));
assertEquals(Optional.empty(), map.replaceOptional("NonExistingKey", 1000));
}
@Test
public void getOptional() {
assertEquals(new Integer(1), map.get("Key1"));
assertEquals(Optional.of(1), map.getOptional("Key1"));
assertEquals(null, map.get("NonExistingKey"));
assertEquals(Optional.empty(), map.getOptional("NonExistingKey"));
}
@Before
public void setup() {
map = OptionalMap.decorate(new HashMap<>());
map.put("Key1", 1);
map.put("Key2", 2);
map.put("Key3", 3);
}
@Test
public void removeOptional() {
assertEquals(Optional.of(1), map.removeOptional("Key1"));
assertEquals(Optional.empty(), map.removeOptional("NonExistingKey"));
}
