public void TestPackWithoutChild ()
{
Frame frame = new Frame ();
var parent = new NaiveLayout ();
bool thrown = false;
try {
parent.Children.Add (frame);
} catch {
thrown = true;
}
Assert.False (thrown);
}
public void BindingsApplyAfterViewAddedToParentWithContextSet()
{
var parent = new NaiveLayout();
parent.BindingContext = new MockViewModel { Text = "test" };
var child = new Entry();
child.SetBinding (Entry.TextProperty, new Binding ("Text"));
parent.Children.Add (child);
Assert.That (child.BindingContext, Is.SameAs (parent.BindingContext));
Assert.That (child.Text, Is.EqualTo ("test"));
}
public void TestBindingContextChaining ()
{
View child;
var group = new NaiveLayout {
Children = { (child = new View ()) }
};
var context = new object ();
group.BindingContext = context;
Assert.AreEqual (context, child.BindingContext);
}
public void TestAncestorRemoved ()
{
var ancestor = new View ();
var child = new NaiveLayout {Children = {ancestor}};
var view = new NaiveLayout {Children = {child}};
bool removed = false;
view.DescendantRemoved += (sender, arg) => removed = true;
child.Children.Remove (ancestor);
Assert.True (removed, "AncestorRemoved must fire when removing a child from an ancestor of a view.");
}
public void TestAncestorAdded ()
{
var child = new NaiveLayout ();
var view = new NaiveLayout {Children = {child}};
bool added = false;
view.DescendantAdded += (sender, arg) => added = true;
child.Children.Add (new View ());
Assert.True (added, "AncestorAdded must fire when adding a child to an ancestor of a view.");
}
public void TestDoubleSetParent ()
{
var view = new ParentSignalView ();
var parent = new NaiveLayout {Children = {view}};
view.ParentSet = false;
view.Parent = parent;
Assert.False (view.ParentSet, "OnParentSet should not be called in the event the parent is already properly set");
}
