@Test
public void EntrySet() throws Exception {
final Map<String, String> base = new LinkedHashMap<String, String>();
final ObservableMap<String, String> observable = new ObservableMap<String, String>(base);
base.put("a", "1");
base.put("b", "2");
base.put("c", "3");
final EventLog log = new EventLog();
observable.attach(log);
final Iterator<Map.Entry<String, String>> itr = observable.entrySet().iterator();
assertTrue(itr.hasNext());
final Map.Entry<String, String> a = itr.next();
assertEquals("a", a.getKey());
assertEquals("1", a.getValue());
assertTrue(itr.hasNext());
final Map.Entry<String, String> b = itr.next();
assertEquals("b", b.getKey());
assertEquals("2", b.getValue());
itr.remove();
assertEquals(MapFactory.start().add("a", "1").add("c", "3").result(), base);
assertEquals(1, log.size());
assertTrue(itr.hasNext());
final Map.Entry<String, String> c = itr.next();
assertEquals("c", c.getKey());
assertEquals("3", c.getValue());
assertFalse(itr.hasNext());
}
@Test
public void PutAll() throws Exception {
final Map<String, String> base = new HashMap<String, String>();
final ObservableMap<String, String> observable = new ObservableMap<String, String>(base);
base.put("a", "1");
base.put("b", "2");
final EventLog log = new EventLog();
observable.attach(log);
observable.putAll(MapFactory.<String, String>start().add("c", "3").add("d", "4").result());
assertEquals(
MapFactory.start().add("a", "1").add("b", "2").add("c", "3").add("d", "4").result(), base);
assertEquals(1, log.size());
log.clear();
observable.putAll(MapFactory.<String, String>start().add("a", "11").add("b", "22").result());
assertEquals(
MapFactory.start().add("a", "11").add("b", "22").add("c", "3").add("d", "4").result(),
base);
assertEquals(1, log.size());
log.clear();
observable.putAll(MapFactory.<String, String>start().add("c", "3").add("d", "4").result());
assertEquals(
MapFactory.start().add("a", "11").add("b", "22").add("c", "3").add("d", "4").result(),
base);
assertEquals(0, log.size());
}
@Test
public void Clear() throws Exception {
final Map<String, String> base = new HashMap<String, String>();
final ObservableMap<String, String> observable = new ObservableMap<String, String>(base);
base.put("a", "1");
base.put("b", "2");
base.put("c", "3");
final EventLog log = new EventLog();
observable.attach(log);
observable.clear();
assertTrue(base.isEmpty());
assertEquals(1, log.size());
log.clear();
observable.clear();
assertTrue(base.isEmpty());
assertEquals(0, log.size());
}
