public void SuppressNotificationsInside()
{
var counter = 0;
var vm = new TestVM();
vm.PropertyChanged += (s, a) => counter++;
// initial value
vm.MyProperty = 0;
counter = 0;
vm.SuppressNotificationsInside(() => vm.MyProperty, () =>
{
vm.MyProperty = 42;
vm.MyProperty = 21;
vm.MyProperty = 0;
// last value is different than initial value, to PropertyChanged should call
vm.MyProperty = 42;
});
Assert.AreEqual(42, vm.MyProperty);
Assert.AreEqual(1, counter, "PropertyChanged was raised more or less than once.");
}