public void Property_Set_ShouldExecuteSubscribedActionsOfComputedPropertiesRecursivelyWithValueComputedFromSourceProperty() { // Arrange int?nullableIntSubscriptionParameterValue = null; int?property1SubscriptionParameterValue = null; int?property2SubscriptionParameterValue = null; int?propertyComputedFromProperty1SubscriptionParameterValue = null; var viewModel = new TestViewModel(); viewModel.AddSubscriptions ( i => nullableIntSubscriptionParameterValue = i, i => property1SubscriptionParameterValue = i, i => property2SubscriptionParameterValue = i, i => propertyComputedFromProperty1SubscriptionParameterValue = i ); // Act viewModel.NullableInt = 12; // Assert Assert.That(nullableIntSubscriptionParameterValue, Is.EqualTo(12)); Assert.That(property1SubscriptionParameterValue, Is.EqualTo(13)); Assert.That(property2SubscriptionParameterValue, Is.EqualTo(13)); Assert.That(propertyComputedFromProperty1SubscriptionParameterValue, Is.EqualTo(14)); }