public void Removing_Item_Should_Raise_CollectionChanged()
{
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[] { 3 }, e.OldItems.Cast <int>());
Assert.Equal(2, e.OldStartingIndex);
raised = true;
};
target.Remove(3);
Assert.True(raised);
}
public void Removing_Items_Should_Fire_LogicalChildren_CollectionChanged()
{
var target = new ItemsControl();
var items = new PerspexList <string> {
"Foo", "Bar"
};
var called = false;
target.Template = GetTemplate();
target.Items = items;
target.ApplyTemplate();
((ILogical)target).LogicalChildren.CollectionChanged += (s, e) =>
called = e.Action == NotifyCollectionChangedAction.Remove;
items.Remove("Bar");
Assert.True(called);
}
public void Removing_Items_Should_Fire_LogicalChildren_CollectionChanged()
{
var target = new ItemsControl();
var items = new PerspexList<string> { "Foo", "Bar" };
var called = false;
target.Template = this.GetTemplate();
target.Items = items;
target.ApplyTemplate();
((ILogical)target).LogicalChildren.CollectionChanged += (s, e) =>
called = e.Action == NotifyCollectionChangedAction.Remove;
items.Remove("Bar");
Assert.True(called);
}
public void Removing_Item_Should_Raise_CollectionChanged()
{
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[] { 3 }, e.OldItems.Cast<int>());
Assert.Equal(2, e.OldStartingIndex);
raised = true;
};
target.Remove(3);
Assert.True(raised);
}