public void ClearValueTest()
{
int valueChangedCount = 0;
IDependencyPropertyValueEntry dependencyPropertyValue = new DependencyPropertyValueEntry(new DependencyObject(), TestObject.ValueProperty);
dependencyPropertyValue.ValueChanged += (sender, e) => valueChangedCount++;
int coercedValueChangedCount = 0;
IDependencyPropertyValueEntry coercedDependencyPropertyValue = new CoercedDependencyPropertyValueEntry(dependencyPropertyValue, null, CoerceValueCallback);
coercedDependencyPropertyValue.ValueChanged += (sender, e) => coercedValueChangedCount++;
dependencyPropertyValue.SetBaseValue(0, "base0");
dependencyPropertyValue.SetBaseValue(1, "base1");
dependencyPropertyValue.SetAnimationValue("animation");
Assert.AreEqual("animation-coerced", coercedDependencyPropertyValue.Value);
Assert.AreEqual(3, valueChangedCount);
Assert.AreEqual(3, coercedValueChangedCount);
dependencyPropertyValue.ClearBaseValue(1);
Assert.AreEqual("animation-coerced", coercedDependencyPropertyValue.Value);
Assert.AreEqual(3, valueChangedCount);
Assert.AreEqual(3, coercedValueChangedCount);
dependencyPropertyValue.ClearAnimationValue();
Assert.AreEqual("base0-coerced", coercedDependencyPropertyValue.Value);
Assert.AreEqual(4, valueChangedCount);
Assert.AreEqual(4, coercedValueChangedCount);
}
// create dependency property entry and set its default and initial inherited value
private IDependencyPropertyValueEntry CreateDependencyPropertyValueEntry(DependencyProperty dependencyProperty)
{
IDependencyPropertyValueEntry entry = new DependencyPropertyValueEntry(this, dependencyProperty);
PropertyMetadata propertyMetadata = dependencyProperty.GetMetadata(GetType());
if (propertyMetadata.CoerceValueCallback != null)
{
entry = new CoercedDependencyPropertyValueEntry(entry, this, propertyMetadata.CoerceValueCallback);
}
entry.SetBaseValue((int)BaseValueSource.Default, propertyMetadata.DefaultValue);
entry.ValueChanged += (sender, e) => RaisePropertyChanged(new DependencyPropertyChangedEventArgs(dependencyProperty, e.OldValue, e.NewValue));
return(entry);
}
public void GetValueTest()
{
IDependencyPropertyValueEntry dependencyPropertyValue = new DependencyPropertyValueEntry(new DependencyObject(), TestObject.ValueProperty);
IDependencyPropertyValueEntry coercedDependencyPropertyValue = new CoercedDependencyPropertyValueEntry(dependencyPropertyValue, null, CoerceValueCallback);
dependencyPropertyValue.SetBaseValue(0, "base0");
Assert.AreEqual("base0-coerced", coercedDependencyPropertyValue.Value);
Assert.AreEqual("base0", coercedDependencyPropertyValue.GetBaseValue(0, false));
dependencyPropertyValue.SetBaseValue(1, "base1");
Assert.AreEqual("base1-coerced", coercedDependencyPropertyValue.Value);
Assert.AreEqual("base1", coercedDependencyPropertyValue.GetBaseValue(1, false));
dependencyPropertyValue.SetAnimationValue("animation");
Assert.AreEqual("animation-coerced", coercedDependencyPropertyValue.Value);
Assert.AreEqual("animation", coercedDependencyPropertyValue.GetAnimationValue(false));
}
// create dependency property entry and set its default and initial inherited value
private IDependencyPropertyValueEntry CreateDependencyPropertyValueEntry(DependencyProperty dependencyProperty)
{
IDependencyPropertyValueEntry entry = new DependencyPropertyValueEntry(this, dependencyProperty);
PropertyMetadata propertyMetadata = dependencyProperty.GetMetadata(GetType());
if (propertyMetadata.CoerceValueCallback != null)
{
entry = new CoercedDependencyPropertyValueEntry(entry, this, propertyMetadata.CoerceValueCallback);
}
entry.SetBaseValue((int)BaseValueSource.Default, propertyMetadata.DefaultValue);
entry.ValueChanged += (sender, e) => RaisePropertyChanged(new DependencyPropertyChangedEventArgs(dependencyProperty, e.OldValue, e.NewValue));
return entry;
}