Add tests

test/results_test.dart

@@ -662,4 +662,34 @@ Future<void> main([List<String>? args]) async {
  if (count > 1) fail('Should only receive one event');
  }
  });
+
+ test('RealmResults.isValid', () {
+ final config = Configuration.local([Team.schema, Person.schema]);
+ final realm = getRealm(config);
+
+ final alice = Person('Alice');
+ final bob = Person('Bob');
+ final carol = Person('Carol');
+ final dan = Person('Dan');
+
+ final team = realm.write(() {
+ return realm.add(Team('Class of 92', players: [alice, bob, carol, dan]));
+ });
+
+ final players = team.players;
+ final playersAsResults = team.players.asResults();
+
+ expect(players.isValid, isTrue);
+ expect(playersAsResults.isValid, isTrue);
+ expect(playersAsResults, [alice, bob, carol, dan]);
+
+ realm.write(() => realm.delete(team));
+
+ expect(team.isValid, isFalse); // dead object
+ expect(players.isValid, isFalse); // parent is dead
+ expect(() => players.isEmpty, throwsException);
+ expect(playersAsResults.isValid, isFalse);
+ expect(() => playersAsResults, throwsException);
+ expect(() => playersAsResults.freeze(), throwsException);
+ });
 }