public void AddRangeToSecond_Always_RaisesNotifyCollectionChangedWithRemoveActionAndCorrectValuesForEachItemRemoved()
{
var continuousSecondCollection = new ContinuousCollection <Person>();
_target = new ExceptReadOnlyContinuousCollection <Person>(_first, continuousSecondCollection);
var eventArgsList = TestUtilities.GetCollectionChangedEventArgsList(_target);
continuousSecondCollection.AddRange(_first);
Assert.AreEqual(2, eventArgsList.Count);
TestUtilities.AssertRemove(eventArgsList[0], 0, _person1);
TestUtilities.AssertRemove(eventArgsList[1], 0, _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 AddRange_Always_CallsNotifyCollectionChangedOnlyOnce()
{
int timesCalled = 0;
_target.CollectionChanged += (sender, e) => timesCalled++;
IEnumerable <Person> people = GetPeople();
_target.AddRange(people);
Assert.AreEqual(1, timesCalled);
}
public void AddRangeToSecond_Always_RaisesNotifyCollectionChangedWithRemoveActionAndCorrectValuesForEachItemRemoved()
{
var continuousSecondCollection = new ContinuousCollection<Person>();
_target = new ExceptReadOnlyContinuousCollection<Person>(_first, continuousSecondCollection);
var eventArgsList = TestUtilities.GetCollectionChangedEventArgsList(_target);
continuousSecondCollection.AddRange(_first);
Assert.AreEqual(2, eventArgsList.Count);
TestUtilities.AssertRemove(eventArgsList[0], 0, _person1);
TestUtilities.AssertRemove(eventArgsList[1], 0, _person2);
}
public void AddRangeToFirst_Always_RaisesNotifyCollectionChangedWithAddActionAndCorrectValues()
{
var continuousFirstCollection = new ContinuousCollection<Person>(_first.ToList());
_target = new ExceptReadOnlyContinuousCollection<Person>(continuousFirstCollection, _second);
var people = new List<Person> { new Person(), new Person() };
var eventArgsList = TestUtilities.GetCollectionChangedEventArgsList(_target);
continuousFirstCollection.AddRange(people);
Assert.AreEqual(1, eventArgsList.Count);
TestUtilities.AssertAdd(eventArgsList[0], 2, people.ToArray());
}