public void Moving_Items_Should_Raise_CollectionChanged()
{
var target = new AvaloniaList<int>(new[] { 1, 2, 3 });
var raised = false;
target.CollectionChanged += (s, e) =>
{
Assert.Equal(target, s);
Assert.Equal(NotifyCollectionChangedAction.Move, e.Action);
Assert.Equal(new[] { 2, 3 }, e.OldItems.Cast<int>());
Assert.Equal(new[] { 2, 3 }, e.NewItems.Cast<int>());
Assert.Equal(1, e.OldStartingIndex);
Assert.Equal(0, e.NewStartingIndex);
raised = true;
};
target.MoveRange(1, 2, 0);
Assert.True(raised);
}
public void MoveRange_Can_Move_To_End()
{
var target = new AvaloniaList <int>(new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 });
target.MoveRange(0, 5, 10);
Assert.Equal(new[] { 6, 7, 8, 9, 10, 1, 2, 3, 4, 5 }, target);
}
public void MoveRange_Should_Update_Collection()
{
var target = new AvaloniaList <int>(new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 });
target.MoveRange(4, 3, 0);
Assert.Equal(new[] { 5, 6, 7, 1, 2, 3, 4, 8, 9, 10 }, target);
}
public void MoveRange_Can_Move_To_End()
{
var target = new AvaloniaList<int>(new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 });
target.MoveRange(0, 5, 10);
Assert.Equal(new[] { 6, 7, 8, 9, 10, 1, 2, 3, 4, 5 }, target);
}
public void MoveRange_Should_Update_Collection()
{
var target = new AvaloniaList<int>(new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 });
target.MoveRange(4, 3, 0);
Assert.Equal(new[] { 5, 6, 7, 1, 2, 3, 4, 8, 9, 10 }, target);
}
public void CreateDerivedList_Handles_MoveRange(int oldIndex, int count, int newIndex)
{
var source = new AvaloniaList <int>(new[] { 0, 1, 2, 3, 4, 5 });
var target = source.CreateDerivedList(x => new Wrapper(x));
source.MoveRange(oldIndex, count, newIndex);
var result = target.Select(x => x.Value).ToList();
Assert.Equal(source, result);
}
public void CreateDerivedList_Handles_MoveRange()
{
var source = new AvaloniaList <int>(new[] { 0, 1, 2, 3 });
var target = source.CreateDerivedList(x => new Wrapper(x));
source.MoveRange(1, 2, 0);
var result = target.Select(x => x.Value).ToList();
Assert.Equal(source, result);
}
public void MoveRange_Raises_Correct_CollectionChanged_Event()
{
var target = new AvaloniaList <int>(new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 });
var raised = false;
target.CollectionChanged += (s, e) =>
{
Assert.Equal(NotifyCollectionChangedAction.Move, e.Action);
Assert.Equal(0, e.OldStartingIndex);
Assert.Equal(10, e.NewStartingIndex);
Assert.Equal(new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 }, e.OldItems);
Assert.Equal(new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 }, e.NewItems);
raised = true;
};
target.MoveRange(0, 9, 10);
Assert.True(raised);
Assert.Equal(new[] { 10, 1, 2, 3, 4, 5, 6, 7, 8, 9 }, target);
}
public void Moving_Items_Should_Raise_CollectionChanged()
{
var target = new AvaloniaList <int>(new[] { 1, 2, 3 });
var raised = false;
target.CollectionChanged += (s, e) =>
{
Assert.Equal(target, s);
Assert.Equal(NotifyCollectionChangedAction.Move, e.Action);
Assert.Equal(new[] { 2, 3 }, e.OldItems.Cast <int>());
Assert.Equal(new[] { 2, 3 }, e.NewItems.Cast <int>());
Assert.Equal(1, e.OldStartingIndex);
Assert.Equal(0, e.NewStartingIndex);
raised = true;
};
target.MoveRange(1, 2, 0);
Assert.True(raised);
}
