public void SourceManipulation()
{
var numbers = new SynchronizedRangeObservableCollection <int>(System.Linq.Enumerable.Range(0, 10));
using var query = numbers.ActiveElementAtOrDefault(9);
Assert.IsNull(query.OperationFault);
Assert.AreEqual(9, query.Value);
numbers.Remove(9);
Assert.IsNull(query.OperationFault);
Assert.AreEqual(0, query.Value);
numbers.Add(30);
Assert.IsNull(query.OperationFault);
Assert.AreEqual(30, query.Value);
numbers.Insert(9, 15);
Assert.IsNull(query.OperationFault);
Assert.AreEqual(15, query.Value);
}
public void SourceManipulation()
{
var teams = new SynchronizedRangeObservableCollection <TestTeam>();
using (var expr = teams.ActiveSelectMany(team => team.People))
{
void checkMergedNames(string against) => Assert.AreEqual(against, string.Join(string.Empty, expr.Select(person => person.Name)));
checkMergedNames(string.Empty);
var management = new TestTeam();
management.People.Add(new TestPerson("Charles"));
teams.Add(management);
checkMergedNames("Charles");
management.People.Add(new TestPerson("Michael"));
checkMergedNames("CharlesMichael");
management.People.RemoveAt(1);
checkMergedNames("Charles");
var development = new TestTeam();
teams.Add(development);
checkMergedNames("Charles");
development.People.AddRange(new TestPerson[]
{
new TestPerson("John"),
new TestPerson("Emily"),
new TestPerson("Edward"),
new TestPerson("Andrew")
});
checkMergedNames("CharlesJohnEmilyEdwardAndrew");
development.People.RemoveRange(2, 2);
checkMergedNames("CharlesJohnEmily");
var qa = new TestTeam();
qa.People.AddRange(new TestPerson[]
{
new TestPerson("Aaron"),
new TestPerson("Cliff")
});
teams.Add(qa);
checkMergedNames("CharlesJohnEmilyAaronCliff");
qa.People[0].Name = "Erin";
checkMergedNames("CharlesJohnEmilyErinCliff");
var bryan = new TestPerson("Brian");
var it = new TestTeam();
it.People.AddRange(new TestPerson[] { bryan, bryan });
teams.Add(it);
checkMergedNames("CharlesJohnEmilyErinCliffBrianBrian");
bryan.Name = "Bryan";
checkMergedNames("CharlesJohnEmilyErinCliffBryanBryan");
it.People.Clear();
checkMergedNames("CharlesJohnEmilyErinCliff");
it.People = null;
checkMergedNames("CharlesJohnEmilyErinCliff");
it.People = new SynchronizedRangeObservableCollection <TestPerson>()
{
new TestPerson("Paul")
};
checkMergedNames("CharlesJohnEmilyErinCliffPaul");
it.People[0] = new TestPerson("Alex");
checkMergedNames("CharlesJohnEmilyErinCliffAlex");
development.People.Move(1, 0);
checkMergedNames("CharlesEmilyJohnErinCliffAlex");
development.People.ReplaceRange(0, 2, development.People.GetRange(0, 1));
checkMergedNames("CharlesEmilyErinCliffAlex");
it.People.Clear();
it.People.Reset(new TestPerson[] { new TestPerson("Daniel") });
checkMergedNames("CharlesEmilyErinCliffDaniel");
teams.Add(management);
checkMergedNames("CharlesEmilyErinCliffDanielCharles");
management.People.Insert(0, new TestPerson("George"));
checkMergedNames("GeorgeCharlesEmilyErinCliffDanielGeorgeCharles");
var currentManagers = management.People;
var otherManagers = new SynchronizedRangeObservableCollection <TestPerson>()
{
new TestPerson("Josh"),
new TestPerson("Jessica")
};
management.People = otherManagers;
checkMergedNames("JoshJessicaEmilyErinCliffDanielJoshJessica");
management.People = currentManagers;
teams.RemoveAt(teams.Count - 1);
checkMergedNames("GeorgeCharlesEmilyErinCliffDaniel");
teams.Insert(0, management);
checkMergedNames("GeorgeCharlesGeorgeCharlesEmilyErinCliffDaniel");
teams.Move(2, 1);
checkMergedNames("GeorgeCharlesEmilyGeorgeCharlesErinCliffDaniel");
teams.Move(1, 2);
checkMergedNames("GeorgeCharlesGeorgeCharlesEmilyErinCliffDaniel");
teams.RemoveAt(1);
checkMergedNames("GeorgeCharlesEmilyErinCliffDaniel");
teams.RemoveAt(0);
checkMergedNames("EmilyErinCliffDaniel");
}
}