public void TestPropertyChangeNotification()
{
using (var obj = new TestObjectPropertiesBase()) {
var notificationCount = 0;
obj.PropertyChanged += (sender, e) => {
Assert.That(e.PropertyName == nameof(obj.DoubleValue));
notificationCount++;
};
// IntValue does not notify of property change
obj.IntValue = 1;
Assert.That(notificationCount, Is.EqualTo(0));
// likewise, setting the property from unmanged code should not
// trigger a change either
obj.SetProperty(nameof(obj.IntValue), 1);
Assert.That(notificationCount, Is.EqualTo(0));
// DoubleValue does notify
obj.DoubleValue = 1;
Assert.That(notificationCount, Is.EqualTo(1));
// also make sure changing the property from unmanged code
// notifies and that it only notifies once
obj.SetProperty(nameof(obj.DoubleValue), 1.0);
Assert.That(notificationCount, Is.EqualTo(2));
}
Utility.AssertNoGLibLog();
}
public void TestPropertyComponentModelAttributes()
{
// check that ComponentModel attributes map to ParamSpec
using (var baseObj = new TestObjectPropertiesBase())
using (var baseObjClass = (ObjectClass)TypeClass.Get(baseObj.GetGType()))
using (var basePspec = baseObjClass.FindProperty("bool-value")) {
Assert.That(basePspec.Name, Is.EqualTo(TestObjectPropertiesBase.BoolValuePropertyName));
Assert.That(basePspec.Nick, Is.EqualTo(TestObjectPropertiesBase.BoolValuePropertyNick));
Assert.That(basePspec.Blurb, Is.EqualTo(TestObjectPropertiesBase.BoolValuePropertyBlurb));
Assert.That(basePspec.DefaultValue.Get(),
Is.EqualTo(TestObjectPropertiesBase.BoolValuePropertyDefaultValue));
}
// The subclass will inherit the values of the parent class.
// If the subclass tries to declare an attribute again, it will
// be ignored as is the case with DefaultValueAttribute here.
using (var subObj = new TestObjectPropertiesSubclass())
using (var subObjClass = (ObjectClass)TypeClass.Get(subObj.GetGType()))
using (var subPspec = subObjClass.FindProperty("bool-value")) {
Assert.That(subPspec.Name, Is.EqualTo(TestObjectPropertiesBase.BoolValuePropertyName));
Assert.That(subPspec.Nick, Is.EqualTo(TestObjectPropertiesBase.BoolValuePropertyNick));
Assert.That(subPspec.Blurb, Is.EqualTo(TestObjectPropertiesBase.BoolValuePropertyBlurb));
Assert.That(subPspec.DefaultValue.Get(),
Is.EqualTo(TestObjectPropertiesBase.BoolValuePropertyDefaultValue));
}
Utility.AssertNoGLibLog();
}
public void TestSubclassPropertyRegistration()
{
using (var obj = new TestObjectPropertiesBase()) {
// check if setting properties from unmanged code works
Assume.That(obj.IntValue, Is.EqualTo(0));
obj.SetProperty(nameof(obj.IntValue), 1);
Assert.That(obj.IntValue, Is.EqualTo(1));
// also make sure that non-GTypes get boxed
Assume.That(obj.ObjectProperty, Is.Null);
var expectedObj = new object();
obj.SetProperty(nameof(obj.ObjectProperty), expectedObj);
Assert.That(obj.ObjectProperty, Is.SameAs(expectedObj));
}
Utility.AssertNoGLibLog();
}