public void EditableObjectModelBase_ChangeTrackingTest()
{
var person = new EditablePerson();
person.RejectChanges();
Assert.IsNotNull(person.Boss);
Assert.IsFalse(person.IsChangedLocal);
Assert.IsFalse(person.IsChanged);
person.Age = 100;
Assert.IsTrue(person.IsChangedLocal);
Assert.IsTrue(person.IsChanged);
person.RejectChanges();
Assert.AreEqual(0, person.Age);
Assert.IsFalse(person.IsChangedLocal);
Assert.IsFalse(person.IsChanged);
person.FirstName = "Tom";
Assert.IsTrue(person.IsChangedLocal);
Assert.IsTrue(person.IsChanged);
person.AcceptChanges();
Assert.IsFalse(person.IsChangedLocal);
Assert.IsFalse(person.IsChanged);
Assert.IsFalse(person.Boss.IsChangedLocal);
Assert.IsFalse(person.Boss.IsChanged);
person.Boss.FirstName = "Frank";
Assert.IsFalse(person.IsChangedLocal);
Assert.IsTrue(person.IsChanged);
Assert.IsTrue(person.Boss.IsChangedLocal);
Assert.IsTrue(person.Boss.IsChanged);
Assert.AreEqual("Tom", person.FirstName);
Assert.AreEqual("Frank", person.Boss.FirstName);
person.AcceptChanges();
Assert.IsFalse(person.IsChangedLocal);
Assert.IsFalse(person.IsChanged);
Assert.IsFalse(person.Boss.IsChangedLocal);
Assert.IsFalse(person.Boss.IsChanged);
Assert.AreEqual("Tom", person.FirstName);
Assert.AreEqual("Frank", person.Boss.FirstName);
person.FirstName = "Harry";
person.Boss.FirstName = "Sam";
Assert.IsTrue(person.IsChangedLocal);
Assert.IsTrue(person.IsChanged);
Assert.IsTrue(person.Boss.IsChangedLocal);
Assert.IsTrue(person.Boss.IsChanged);
Assert.AreEqual("Harry", person.FirstName);
Assert.AreEqual("Sam", person.Boss.FirstName);
person.RejectChanges();
Assert.IsFalse(person.IsChangedLocal);
Assert.IsFalse(person.IsChanged);
Assert.IsFalse(person.Boss.IsChangedLocal);
Assert.IsFalse(person.Boss.IsChanged);
Assert.AreEqual("Tom", person.FirstName);
Assert.AreEqual("Frank", person.Boss.FirstName);
person.DummyObject.IsChanged = true;
Assert.IsFalse(person.IsChangedLocal);
Assert.IsTrue(person.IsChanged);
person.AcceptChanges();
Assert.IsFalse(person.IsChangedLocal);
Assert.IsFalse(person.IsChanged);
person.DummyObject.IsChanged = true;
Assert.IsFalse(person.IsChangedLocal);
Assert.IsTrue(person.IsChanged);
person.RejectChanges();
Assert.IsFalse(person.IsChangedLocal);
Assert.IsFalse(person.IsChanged);
person.DummyObject.IsChanged = true;
Assert.IsFalse(person.IsChangedLocal);
Assert.IsTrue(person.IsChanged);
person.AcceptChangesLocal();
Assert.IsFalse(person.IsChangedLocal);
Assert.IsTrue(person.IsChanged);
}