public void Clear_Invoke_Success()
{
var control = new Control();
var collection = new ControlBindingsCollection(control);
var binding = new Binding(null, new object(), "member");
collection.Add(binding);
Assert.Same(binding, Assert.Single(collection));
Assert.Same(control, binding.BindableComponent);
collection.Clear();
Assert.Empty(collection);
Assert.Null(binding.BindableComponent);
// Clear again.
collection.Clear();
Assert.Empty(collection);
}
private static void ClearBindings(ControlBindingsCollection b)
{
var bindings = new Binding[b.Count];
b.CopyTo(bindings, 0);
b.Clear();
foreach (var binding in bindings)
{
TypeDescriptor.Refresh(binding.DataSource);
}
}
public void CollectionChangingTest()
{
Control c = new Control();
c.BindingContext = new BindingContext();
c.CreateControl();
ControlBindingsCollection binding_coll = c.DataBindings;
Binding binding = new Binding("Text", new MockItem("A", 0), "Text");
Binding binding2 = new Binding("Name", new MockItem("B", 0), "Text");
binding_coll.Add(binding);
binding_coll.CollectionChanging += CollectionChangingHandler;
collection_expected_count = 1;
collection_action_expected = CollectionChangeAction.Add;
collection_element_expected = binding2;
collection_expected_assert = "#A0";
binding_coll.Add(binding2);
Assert.IsTrue(collection_changing_called, "#A1");
collection_changing_called = false;
collection_expected_count = 2;
collection_action_expected = CollectionChangeAction.Remove;
collection_element_expected = binding;
collection_expected_assert = "#B0";
binding_coll.Remove(binding);
Assert.IsTrue(collection_changing_called, "#B1");
collection_changing_called = false;
collection_expected_count = 1;
collection_element_expected = null;
collection_action_expected = CollectionChangeAction.Refresh;
collection_expected_assert = "#C0";
binding_coll.Clear();
Assert.IsTrue(collection_changing_called, "#C1");
}