public void SelectAll_Handles_Duplicate_Items()
{
var target = new TestSelector
{
Template = Template(),
Items = new[] { "Foo", "Bar", "Baz", "Foo", "Bar", "Baz" },
SelectionMode = SelectionMode.Multiple,
};
target.ApplyTemplate();
target.Presenter.ApplyTemplate();
target.SelectAll();
Assert.Equal(new[] { "Foo", "Bar", "Baz", "Foo", "Bar", "Baz" }, target.SelectedItems);
}
public void SelectAll_Sets_SelectedIndex_And_SelectedItem()
{
var target = new TestSelector
{
Template = Template(),
Items = new[] { "Foo", "Bar", "Baz" },
SelectionMode = SelectionMode.Multiple,
};
target.ApplyTemplate();
target.Presenter.ApplyTemplate();
target.SelectAll();
Assert.Equal(0, target.SelectedIndex);
Assert.Equal("Foo", target.SelectedItem);
}
public void SelectAll_Raises_SelectionChanged_Event()
{
var target = new TestSelector
{
Template = Template(),
Items = new[] { "Foo", "Bar", "Baz" },
SelectionMode = SelectionMode.Multiple,
};
target.ApplyTemplate();
target.Presenter.ApplyTemplate();
SelectionChangedEventArgs receivedArgs = null;
target.SelectionChanged += (_, args) => receivedArgs = args;
target.SelectAll();
Assert.NotNull(receivedArgs);
Assert.Equal(target.Items, receivedArgs.AddedItems);
Assert.Empty(receivedArgs.RemovedItems);
}
