public void Clearing_Items_Should_Raise_CollectionChanged_Reset()
{
var target = new PerspexList <int>(new[] { 1, 2, 3 });
var raised = false;
target.CollectionChanged += (s, e) =>
{
Assert.Equal(target, s);
Assert.Equal(NotifyCollectionChangedAction.Reset, e.Action);
raised = true;
};
target.Clear();
Assert.True(raised);
}
public void Clearing_Items_Should_Raise_CollectionChanged_Remove()
{
var target = new PerspexList <int>(new[] { 1, 2, 3 });
var raised = false;
target.ResetBehavior = ResetBehavior.Remove;
target.CollectionChanged += (s, e) =>
{
Assert.Equal(target, s);
Assert.Equal(NotifyCollectionChangedAction.Remove, e.Action);
Assert.Equal(new[] { 1, 2, 3 }, e.OldItems.Cast <int>());
Assert.Equal(0, e.OldStartingIndex);
raised = true;
};
target.Clear();
Assert.True(raised);
}
public void Clearing_Items_Should_Raise_CollectionChanged_Remove()
{
var target = new PerspexList<int>(new[] { 1, 2, 3 });
var raised = false;
target.CollectionChanged += (s, e) =>
{
Assert.Equal(target, s);
Assert.Equal(NotifyCollectionChangedAction.Remove, e.Action);
Assert.Equal(new[] { 1, 2, 3 }, e.OldItems.Cast<int>());
Assert.Equal(0, e.OldStartingIndex);
raised = true;
};
target.Clear();
Assert.True(raised);
}