public void Test_SelectedItem_Default()
{
var items = Enumerable.Range(1, 10).ToArray();
var listDetailsView = new ListDetailsView();
listDetailsView.ItemsSource = items;
Assert.IsNull(listDetailsView.SelectedItem);
}
public void Test_SelectedIndex_Default()
{
var items = Enumerable.Range(1, 10).ToArray();
var listDetailsView = new ListDetailsView();
listDetailsView.ItemsSource = items;
Assert.AreEqual(-1, listDetailsView.SelectedIndex);
}
public void Test_SelectedItem_Syncs_SelectedIndex()
{
var items = Enumerable.Range(0, 10).ToArray();
var listDetailsView = new ListDetailsView();
listDetailsView.ItemsSource = items;
listDetailsView.SelectedItem = items[3];
Assert.AreEqual(3, listDetailsView.SelectedIndex);
}
public void Test_SelectedIndex_Syncs_SelectedItem()
{
var items = Enumerable.Range(1, 10).ToArray();
var listDetailsView = new ListDetailsView();
listDetailsView.ItemsSource = items;
listDetailsView.SelectedIndex = 6;
Assert.AreEqual(items[6], listDetailsView.SelectedItem);
}
public void Test_UnselectUsingItem()
{
var items = Enumerable.Range(1, 10).ToArray();
var listDetailsView = new ListDetailsView();
listDetailsView.ItemsSource = items;
listDetailsView.SelectedItem = items[5];
listDetailsView.SelectedItem = null;
Assert.AreEqual(-1, listDetailsView.SelectedIndex);
}
public void Test_UnselectUsingIndex()
{
var items = Enumerable.Range(1, 10).ToArray();
var listDetailsView = new ListDetailsView();
listDetailsView.ItemsSource = items;
listDetailsView.SelectedIndex = 5;
listDetailsView.SelectedIndex = -1;
Assert.IsNull(listDetailsView.SelectedItem);
}
public void Test_Sorting_Keeps_SelectedIndex()
{
var items = Enumerable.Range(0, 10).ToArray();
var listDetailsView = new ListDetailsView
{
ItemsSource = items,
SelectedItem = items[3]
};
Assert.AreEqual(3, listDetailsView.SelectedIndex);
}
public void Test_ItemsRemoved()
{
var items = new ObservableCollection <int>(Enumerable.Range(0, 10));
var listDetailsView = new ListDetailsView
{
ItemsSource = items,
SelectedIndex = 3
};
listDetailsView.ItemsSource = null;
Assert.AreEqual(null, listDetailsView.SelectedItem);
Assert.AreEqual(-1, listDetailsView.SelectedIndex);
}
public void Test_Sorting_Keeps_SelectedItem()
{
var items = new ObservableCollection <int>(Enumerable.Range(0, 10));
var listDetailsView = new ListDetailsView
{
ItemsSource = items,
SelectedIndex = 3
};
var item = listDetailsView.SelectedItem;
listDetailsView.ItemsSource = new ObservableCollection <int>(items.OrderByDescending(i => i));
Assert.AreEqual(item, listDetailsView.SelectedItem);
listDetailsView.ItemsSource = new ObservableCollection <int>(items.OrderBy(i => i));
Assert.AreEqual(item, listDetailsView.SelectedItem);
}
