public void OnPropertyChanged001() { int pageCount = 0; using (DjvuDocument doc = Util.GetTestDocument(30, out pageCount)) { bool called = false; bool propertyMatched = false; doc.PropertyChanged += delegate(object sender, PropertyChangedEventArgs e) { called = true; if (e.PropertyName == "Identifier") { propertyMatched = true; } }; doc.Identifier = doc.GetHashCode(); Assert.True(called); Assert.True(propertyMatched); } }