public void TestExternalize()
{
var stream = new MemoryStream();
{
var foo = new Foo();
var bar = new Bar();
foo.Value = 5;
bar.Value = 10;
foo.Bar = bar;
var externalizer = new Externalizer();
var proxy = new FooProxy(foo, SaveFoo, LoadFoo);
var mem = externalizer.Save(proxy);
var formatter = new BinaryFormatter();
formatter.Serialize(stream, mem);
}
stream.Position = 0;
{
var formatter = new BinaryFormatter();
var mem = formatter.Deserialize(stream) as IMemento;
var externalizer = new Externalizer();
var proxy = externalizer.Load(mem) as FooProxy;
var foo = proxy.Real;
Assert.AreEqual(5, foo.Value);
Assert.AreEqual(10, foo.Bar.Value);
}
}
// ========================================
// constructor
// ========================================
internal ExternalizeContext(
Externalizer owner,
ExternalizableFilter externalizableFilter,
MementoFilter mementoFilter
)
{
_owner = owner;
_externalizableFilter = externalizableFilter;
_mementoFilter = mementoFilter;
}
public void TestExternalize()
{
var stream = new MemoryStream();
{
var foo = new Foo();
var bar = new Bar();
foo.Value = 5;
bar.Value = 10;
foo.Bar = bar;
foo.Bars.Add(new Bar()
{
Value = 9,
});
foo.Bars.Add(new Bar()
{
Value = 99,
});
foo.Bars.Add(new Bar()
{
Value = 999,
});
var externalizer = new Externalizer();
var mem = externalizer.Save(foo);
var formatter = new BinaryFormatter();
formatter.Serialize(stream, mem);
}
stream.Position = 0;
{
var formatter = new BinaryFormatter();
var mem = formatter.Deserialize(stream) as IMemento;
var externalizer = new Externalizer();
var foo = externalizer.Load(mem) as Foo;
Assert.AreEqual(5, foo.Value);
Assert.AreEqual(10, foo.Bar.Value);
Assert.AreEqual(3, foo.Bars.Count);
Assert.AreEqual(9, foo.Bars[0].Value);
Assert.AreEqual(99, foo.Bars[1].Value);
Assert.AreEqual(999, foo.Bars[2].Value);
}
}
public void TestExternalizeFilter()
{
var persister = new Externalizer();
var foo = new Foo();
var bar = new Bar();
foo.Value = 5;
bar.Value = 10;
foo.Bar = bar;
bar.Foo = foo;
var memento = persister.Save(foo, (key, ex) => key != "Bar");
var ofoo = persister.Load(memento) as Foo;
Assert.AreNotEqual(foo, ofoo);
Assert.AreEqual(null, ofoo.Bar);
Assert.AreEqual(5, ofoo.Value);
}
