@Test
public void contentsSpectatorsIsPlayer() {
Spectators<Creature> s = inventory.getContentsSpectators(Creature.class);
Iterator<Creature> it = s.iterator();
assertTrue(it.hasNext());
assertSame(player, it.next());
assertFalse(it.hasNext());
}
@Test
public void singleObject() {
Player player = context.mock(Player.class);
Spectators<Player> s = new SimpleSpectators<Player>(player);
Iterator<Player> it = s.iterator();
assertTrue(it.hasNext());
assertSame(player, it.next());
assertFalse(it.hasNext());
}
@Test
public void filtersInvalidSpectators() {
Player player = context.mock(Player.class);
Creature c1 = context.mock(Creature.class);
Spectators<Player> s = new SimpleSpectators<Player>(Player.class, Arrays.asList(c1, player));
Iterator<Player> it = s.iterator();
assertTrue(it.hasNext());
assertSame(player, it.next());
assertFalse(it.hasNext());
}
@Test
public void copiesInputCollection() {
Player player = context.mock(Player.class);
Creature c1 = context.mock(Creature.class);
Spectators<Creature> s = new SimpleSpectators<Creature>(Arrays.asList(c1, player));
Iterator<Creature> it = s.iterator();
assertTrue(it.hasNext());
assertSame(c1, it.next());
assertTrue(it.hasNext());
assertSame(player, it.next());
assertFalse(it.hasNext());
}
@Test
public void isEmptyByDefault() {
Spectators<Player> s = new SimpleSpectators<Player>();
assertFalse(s.iterator().hasNext());
}
@Test
public void providesEmptyInstance() {
Spectators<Player> s = SimpleSpectators.getEmpty(Player.class);
assertFalse(s.iterator().hasNext());
assertNull(s.iterator().next());
}
@Test
public void contentsSpectatorsOfNonPlayerTypeIsEmpty() {
Spectators<TestableCreature> s = inventory.getContentsSpectators(TestableCreature.class);
Iterator<TestableCreature> it = s.iterator();
assertFalse(it.hasNext());
}
