public async Task Check_Creation_Count_ItemsSource_After_Load()
{
var SUT = new ContentControlItemsControl
{
ItemContainerStyle = CounterItemsControlContainerStyle,
ItemTemplate = CounterItemTemplate
};
WindowHelper.WindowContent = SUT;
await WindowHelper.WaitForIdle();
Assert.AreEqual(0, CounterGrid.CreationCount);
Assert.AreEqual(0, CounterGrid2.CreationCount);
var source = new[] { "Zero", "One", "Two", "Three" };
SUT.ItemsSource = source;
ContentControl cc = null;
await WindowHelper.WaitFor(() => (cc = SUT.ContainerFromItem(source[0]) as ContentControl) != null);
Assert.AreEqual(4, CounterGrid.CreationCount);
Assert.AreEqual(4, CounterGrid2.CreationCount);
Assert.AreEqual(4, CounterGrid.BindCount);
Assert.AreEqual(4, CounterGrid2.BindCount);
}
public async Task Check_Creation_Count_ItemsSource_Before_Load()
{
var source = new[] { "Zero", "One", "Two", "Three" };
var SUT = new ContentControlItemsControl
{
ItemContainerStyle = CounterItemsControlContainerStyle,
ItemTemplate = CounterItemTemplate,
ItemsSource = source
};
await WindowHelper.WaitForIdle();
Assert.AreEqual(0, CounterGrid.CreationCount);
Assert.AreEqual(0, CounterGrid2.CreationCount);
WindowHelper.WindowContent = SUT;
await WindowHelper.WaitForLoaded(SUT);
Assert.AreEqual(4, CounterGrid.CreationCount);
Assert.AreEqual(4, CounterGrid2.CreationCount);
Assert.AreEqual(4, CounterGrid.BindCount);
Assert.AreEqual(4, CounterGrid2.BindCount);
}
