Catel.Test.Data.ModelBaseFacts.TheClearIsDirtyMethod.CorrectlyRaisesPropertyChangedForIsDirty C# (CSharp) Метод

            public void CorrectlyRaisesPropertyChangedForIsDirty()
            {
                int isDirtyChangedCalls = 0;
                var model = new ClearIsDirtyModel();

                ((INotifyPropertyChanged)model).PropertyChanged += (sender, e) =>
                {
                    if (string.Equals(e.PropertyName, "IsDirty"))
                    {
                        isDirtyChangedCalls++;
                    }
                };

                ((IEditableObject)model).BeginEdit();

                // IsDirty change 1
                model.Name = "Me";

                // IsDirty change 2
                model.ClearIsDirty();

                // IsDirty change 3 + 4 (Name change back to null, and restoreof IsDirty)
                ((IEditableObject)model).CancelEdit();

                Assert.AreEqual(4, isDirtyChangedCalls);
            }
        }