public void DataContexts_Should_Be_Correctly_Set()
{
var items = new object[]
{
"Foo",
new Item("Bar"),
new TextBlock { Text = "Baz" },
new ListBoxItem { Content = "Qux" },
};
var target = new ListBox
{
Template = new ControlTemplate(CreateListBoxTemplate),
DataContext = "Base",
DataTemplates = new DataTemplates
{
new FuncDataTemplate<Item>(x => new Button { Content = x })
},
Items = items,
};
target.ApplyTemplate();
var dataContexts = target.Presenter.Panel.Children
.Cast<Control>()
.Select(x => x.DataContext)
.ToList();
Assert.Equal(
new object[] { items[0], items[1], "Base", "Base" },
dataContexts);
}
public void Setting_Item_IsSelected_Sets_ListBox_Selection()
{
var target = new ListBox
{
Template = new ControlTemplate(CreateListBoxTemplate),
Items = new[] { "Foo", "Bar", "Baz " },
};
target.ApplyTemplate();
((ListBoxItem)target.GetLogicalChildren().ElementAt(1)).IsSelected = true;
Assert.Equal("Bar", target.SelectedItem);
Assert.Equal(1, target.SelectedIndex);
}
public void LogicalChildren_Should_Be_Set()
{
var target = new ListBox
{
Template = new ControlTemplate(CreateListBoxTemplate),
Items = new[] { "Foo", "Bar", "Baz " },
};
target.ApplyTemplate();
Assert.Equal(3, target.GetLogicalChildren().Count());
foreach (var child in target.GetLogicalChildren())
{
Assert.IsType<ListBoxItem>(child);
}
}