public void Construct_BothListsAreEmpty_OutputIsEmpty()
{
_first = new ObservableCollection <Person>();
_second = new ObservableCollection <Person>();
_target = new ConcatReadOnlyContinuousCollection <Person>(_first, _second);
Assert.AreEqual(0, _target.Count);
}
public void Construct_BothListsHaveValues_OutputHasItemsFromBothLists()
{
_second = ClinqTestFactory.CreateTwoPersonSource();
_target = new ConcatReadOnlyContinuousCollection <Person>(_first, _second);
var expectedConcatenation = ConcatenateFirstAndSecond();
CollectionAssert.AreEquivalent(expectedConcatenation, _target);
}
public void Construct_FirstListIsEmpty_OutputIsSecondList()
{
_first = new ObservableCollection <Person>();
_second = ClinqTestFactory.CreateTwoPersonSource();
_target = new ConcatReadOnlyContinuousCollection <Person>(_first, _second);
CollectionAssert.AreEquivalent(_second, _target);
}
public void Setup()
{
_first = ClinqTestFactory.CreateTwoPersonSource();
_second = new ObservableCollection <Person>();
_target = new ConcatReadOnlyContinuousCollection <Person>(_first, _second);
_person1 = _first[0];
_person2 = _first[1];
}
public void RemoveRangeFromSecond_Always_RaisesNotifyCollectionChangedWithRemoveActionAndCorrectValuesForEachItemRemoved()
{
var continuousSecondCollection = new ContinuousCollection <Person>(_first.ToList());
_target = new ConcatReadOnlyContinuousCollection <Person>(_first, continuousSecondCollection);
var eventArgsList = TestUtilities.GetCollectionChangedEventArgsList(_target);
continuousSecondCollection.RemoveRange(0, 2);
Assert.AreEqual(1, eventArgsList.Count);
TestUtilities.AssertRemove(eventArgsList[0], 2, _person1, _person2);
}
public void ReplaceRangeOnSecond_Always_RaisesNotifyCollectionChangedWithReplaceAction()
{
var continuousSecondCollection = new ContinuousCollection <Person>(_first.ToList());
_target = new ConcatReadOnlyContinuousCollection <Person>(_first, continuousSecondCollection);
var people = new List <Person> {
new Person(), new Person()
};
var eventArgsList = TestUtilities.GetCollectionChangedEventArgsList(_target);
continuousSecondCollection.ReplaceRange(0, people);
Assert.AreEqual(1, eventArgsList.Count);
TestUtilities.AssertReplace(eventArgsList[0], 2, people.ToArray(), new[] { _person1, _person2 });
}
public void AddRangeToSecond_Always_RaisesNotifyCollectionChangedWithAddActionAndCorrectValues()
{
var continuousSecondCollection = new ContinuousCollection <Person>();
_target = new ConcatReadOnlyContinuousCollection <Person>(_first, continuousSecondCollection);
var people = new List <Person> {
new Person(), new Person()
};
var eventArgsList = TestUtilities.GetCollectionChangedEventArgsList(_target);
continuousSecondCollection.AddRange(people);
Assert.AreEqual(1, eventArgsList.Count);
TestUtilities.AssertAdd(eventArgsList[0], 2, people.ToArray());
}
public void ResetSecond_Always_LeavesOutputIntact()
{
var people = ClinqTestFactory.CreateSixPersonSource();
var first = new TestContinuousCollection <Person>(people.ToList());
var second = new TestContinuousCollection <Person> {
people[0]
};
_target = new ConcatReadOnlyContinuousCollection <Person>(first, second);
second.FireReset();
Assert.AreEqual(7, _target.Count);
var expectedConcatenation = Concatenate(first, second);
CollectionAssert.AreEquivalent(expectedConcatenation, _target);
}
public void ResetOnSecond_Always_RaisesNotifyCollectionChangedWithResetAction()
{
var people = ClinqTestFactory.CreateSixPersonSource();
var first = new TestContinuousCollection <Person>(people.ToList());
var second = new TestContinuousCollection <Person> {
people[0]
};
_target = new ConcatReadOnlyContinuousCollection <Person>(first, second);
var eventArgsList = new List <NotifyCollectionChangedEventArgs>();
_target.CollectionChanged += (sender, e) => eventArgsList.Add(e);
second.FireReset();
Assert.AreEqual(1, eventArgsList.Count);
Assert.AreEqual(NotifyCollectionChangedAction.Reset, eventArgsList[0].Action);
}