public void BindingsEditableAfterUnapplied()
{
var bindable = new MockBindable();
var binding = new Binding(".");
bindable.SetBinding(MockBindable.TextProperty, binding);
bindable.BindingContext = "foo";
Assume.That(bindable.Text, Is.EqualTo(bindable.BindingContext));
bindable.RemoveBinding(MockBindable.TextProperty);
Assert.That(() => binding.Path = "foo", Throws.Nothing);
}
public void RemovedBindingDoesNotUpdate()
{
const string newvalue = "New Value";
var viewmodel = new MockViewModel {
Text = "Foo"
};
var binding = new Binding("Text");
var bindable = new MockBindable();
bindable.BindingContext = viewmodel;
bindable.SetBinding(MockBindable.TextProperty, binding);
string original = (string)bindable.GetValue(MockBindable.TextProperty);
bindable.RemoveBinding(MockBindable.TextProperty);
viewmodel.Text = newvalue;
Assert.AreEqual(original, bindable.GetValue(MockBindable.TextProperty),
"Property updated from a removed binding");
}
// https://bugzilla.xamarin.com/show_bug.cgi?id=24054
public void BindingsAppliedUnappliedWithNullContext()
{
var bindable = new MockBindable();
var binding = new Binding(".");
bindable.SetBinding(MockBindable.TextProperty, binding);
bindable.BindingContext = "foo";
Assume.That(bindable.Text, Is.EqualTo(bindable.BindingContext));
bindable.BindingContext = null;
Assume.That(bindable.Text, Is.EqualTo(bindable.BindingContext));
bindable.BindingContext = "bar";
Assume.That(bindable.Text, Is.EqualTo(bindable.BindingContext));
bindable.RemoveBinding(MockBindable.TextProperty);
Assert.That(() => binding.Path = "Foo", Throws.Nothing);
}
public void RemoveBindingInvalid()
{
var mock = new MockBindable();
Assert.Throws <ArgumentNullException> (() => mock.RemoveBinding(null));
}
public void RemoveUnaddedBinding()
{
var mock = new MockBindable();
Assert.That(() => mock.RemoveBinding(MockBindable.TextProperty), Throws.Nothing);
}
