public void SelectedItem_Validation()
{
using (UnitTestApplication.Start(TestServices.MockThreadingInterface))
{
var target = new ComboBox
{
Template = GetTemplate(),
VirtualizationMode = ItemVirtualizationMode.None
};
target.ApplyTemplate();
target.Presenter.ApplyTemplate();
var exception = new System.InvalidCastException("failed validation");
var textObservable = new BehaviorSubject <BindingNotification>(new BindingNotification(exception, BindingErrorType.DataValidationError));
target.Bind(ComboBox.SelectedItemProperty, textObservable);
Assert.True(DataValidationErrors.GetHasErrors(target));
Assert.True(DataValidationErrors.GetErrors(target).SequenceEqual(new[] { exception }));
}
}
public void SelectedItem_Validation()
{
var target = new ListBox
{
Template = ListBoxTemplate(),
Items = new[] { "Foo" },
ItemTemplate = new FuncDataTemplate <string>((_, __) => new Canvas()),
SelectionMode = SelectionMode.AlwaysSelected,
VirtualizationMode = ItemVirtualizationMode.None
};
Prepare(target);
var exception = new System.InvalidCastException("failed validation");
var textObservable = new BehaviorSubject <BindingNotification>(new BindingNotification(exception, BindingErrorType.DataValidationError));
target.Bind(ComboBox.SelectedItemProperty, textObservable);
Assert.True(DataValidationErrors.GetHasErrors(target));
Assert.True(DataValidationErrors.GetErrors(target).SequenceEqual(new[] { exception }));
}