public void Test()
{
var originator = new Originator("field 2", 42)
{
Property1 = "property 1",
Field1 = "field 1"
};
Assert.That(originator.Field1, Is.EqualTo("field 1"));
Assert.That(originator.GetField2(), Is.EqualTo("field 2"));
Assert.That(originator.Property1, Is.EqualTo("property 1"));
Assert.That(originator.Property2, Is.EqualTo(42));
var memento = new Memento <Originator>(originator);
originator.Field1 = "field 1a";
originator.SetField2("field 2a");
originator.Property1 = "property 1a";
originator.SetProperty2(52);
Assert.That(originator.Field1, Is.EqualTo("field 1a"));
Assert.That(originator.GetField2(), Is.EqualTo("field 2a"));
Assert.That(originator.Property1, Is.EqualTo("property 1a"));
Assert.That(originator.Property2, Is.EqualTo(52));
memento.Restore(originator);
Assert.That(originator.Field1, Is.EqualTo("field 1"));
Assert.That(originator.GetField2(), Is.EqualTo("field 2"));
Assert.That(originator.Property1, Is.EqualTo("property 1"));
Assert.That(originator.Property2, Is.EqualTo(42));
}