public void ClearValueOnBoundProperty()
{
using(var button = new Button()) {
button.SetValue(DataContextProvider.DataContextProperty, "test");
button.SetBinding(DataContextProvider.DataContextProperty, new Binding());
button.ClearValue(DataContextProvider.DataContextProperty);
Assert.That(button.GetDataContext(), Is.Null);
}
}
public void DefaultValue()
{
using(var button = new Button()) {
Assert.That(TestPropertyContainer.DefaultValueChangedFireCount, Is.EqualTo(0));
Assert.That(button.GetValue(TestPropertyContainer.DefaultValueProperty), Is.EqualTo("d"));
button.SetValue(TestPropertyContainer.DefaultValueProperty, "button");
Assert.That(TestPropertyContainer.DefaultValueChangedFireCount, Is.EqualTo(1));
Assert.That(TestPropertyContainer.DefaultValueChangedSender, Is.EqualTo(button));
Assert.That(TestPropertyContainer.DefaultValueChangedArgs.OldValue, Is.EqualTo("d"));
Assert.That(TestPropertyContainer.DefaultValueChangedArgs.NewValue, Is.EqualTo("button"));
Assert.That(button.GetValue(TestPropertyContainer.DefaultValueProperty), Is.EqualTo("button"));
button.ClearValue(TestPropertyContainer.DefaultValueProperty);
Assert.That(TestPropertyContainer.DefaultValueChangedFireCount, Is.EqualTo(2));
Assert.That(button.GetValue(TestPropertyContainer.DefaultValueProperty), Is.EqualTo("d"));
Assert.That(TestPropertyContainer.DefaultValueChangedArgs.NewValue, Is.EqualTo("d"));
Assert.That(TestPropertyContainer.DefaultValueChangedArgs.OldValue, Is.EqualTo("button"));
}
}
public void BindAttachedProperty2()
{
var viewModel = new TestViewModel();
using(var button = new Button()) {
button.SetValue(TextProperty, "button1");
button.SetDataContext(viewModel);
button.SetBinding(() => new Button().Text, new Binding(() => new TestViewModel().StringProperty2));
button.SetBinding(TextProperty, new Binding(() => new TestViewModel().StringProperty));
Assert.That(button.GetValue(TextProperty), Is.EqualTo(null));
Assert.That(button.Text, Is.EqualTo(string.Empty));
viewModel.StringProperty = "test";
Assert.That(button.GetValue(TextProperty), Is.EqualTo("test"));
Assert.That(button.Text, Is.EqualTo(string.Empty));
viewModel.StringProperty2 = "test2";
Assert.That(button.GetValue(TextProperty), Is.EqualTo("test"));
Assert.That(button.Text, Is.EqualTo("test2"));
button.ClearBinding(TextProperty);
Assert.That(button.GetValue(TextProperty), Is.Null);
}
}
WeakReference SetPropertyAndGetValueReference(Button button)
{
object value = new object();
button.SetValue(TestPropertyContainer.TestProperty, value);
return new WeakReference(value);
}
public void RegisterInheritableAndNoInheritablPropertiesProperty()
{
using(var form = new Form()) {
var button1 = new Button();
var button2 = new Button();
form.Controls.Add(button1);
form.Controls.Add(button2);
Assert.That(button1.GetValue(TestPropertyContainer.TestProperty), Is.Null);
Assert.That(button2.GetValue(TestPropertyContainer.TestProperty), Is.Null);
Assert.That(form.GetValue(TestPropertyContainer.TestProperty), Is.Null);
button1.SetValue(TestPropertyContainer.TestProperty, "button1");
button1.SetValue(TestPropertyContainer.Test2Property, "button1_");
Assert.That(button1.GetValue(TestPropertyContainer.TestProperty), Is.EqualTo("button1"));
Assert.That(button1.GetValue(TestPropertyContainer.Test2Property), Is.EqualTo("button1_"));
form.SetValue(TestPropertyContainer.TestProperty, "form");
form.SetValue(TestPropertyContainer.Test2Property, "form2");
Assert.That(form.GetValue(TestPropertyContainer.TestProperty), Is.EqualTo("form"));
Assert.That(button1.GetValue(TestPropertyContainer.TestProperty), Is.EqualTo("button1"));
Assert.That(button2.GetValue(TestPropertyContainer.TestProperty), Is.EqualTo("form"));
Assert.That(form.GetValue(TestPropertyContainer.Test2Property), Is.EqualTo("form2"));
Assert.That(button1.GetValue(TestPropertyContainer.Test2Property), Is.EqualTo("button1_"));
Assert.That(button2.GetValue(TestPropertyContainer.Test2Property), Is.Null);
Assert.That(button2.HasLocalValue(TestPropertyContainer.TestProperty), Is.False);
Assert.That(button1.HasLocalValue(TestPropertyContainer.TestProperty), Is.True);
button1.ClearValue(TestPropertyContainer.TestProperty);
Assert.That(button1.GetValue(TestPropertyContainer.TestProperty), Is.EqualTo("form"));
Assert.That(button1.HasLocalValue(TestPropertyContainer.TestProperty), Is.False);
button1.ClearValue(TestPropertyContainer.Test2Property);
Assert.That(button1.GetValue(TestPropertyContainer.Test2Property), Is.Null);
Assert.That(button1.HasLocalValue(TestPropertyContainer.Test2Property), Is.False);
button1.SetValue(TestPropertyContainer.Test2Property, "button1_");
form.ClearValue(TestPropertyContainer.Test2Property);
Assert.That(button1.GetValue(TestPropertyContainer.Test2Property), Is.EqualTo("button1_"));
form.SetValue(TestPropertyContainer.Test2Property, "form2");
var button3 = new Button();
form.Controls.Add(button3);
Assert.That(button3.GetValue(TestPropertyContainer.Test2Property), Is.Null);
button3.SetValue(TestPropertyContainer.Test2Property, "button3_");
form.Controls.Remove(button3);
Assert.That(button3.GetValue(TestPropertyContainer.Test2Property), Is.EqualTo("button3_"));
}
}
