public void RollbackValueTypes2()
{
var viewModel = new TestViewModel();
Assert.IsNull(viewModel.Name);
Assert.IsNull(viewModel.Description);
Assert.AreEqual(0, viewModel.Age);
Assert.IsFalse(viewModel.IsChanged);
Assert.IsFalse(viewModel.IsDirty);
viewModel.Name = "Kain";
viewModel.Description = "Refuses sacrifices.";
viewModel.Age = 2000;
Assert.AreEqual("Kain", viewModel.Name);
Assert.AreEqual("Refuses sacrifices.", viewModel.Description);
Assert.AreEqual(2000, viewModel.Age);
Assert.IsTrue(viewModel.IsChanged);
Assert.IsTrue(viewModel.IsDirty);
viewModel.AcceptChanges();
Assert.IsFalse(viewModel.IsChanged);
Assert.IsTrue(viewModel.IsDirty);
viewModel.Description = "Does not speak of conscience.";
viewModel.Age = 3000;
Assert.IsTrue(viewModel.IsChanged);
Assert.IsTrue(viewModel.IsDirty);
viewModel.RejectChanges();
Assert.AreEqual("Kain", viewModel.Name);
Assert.AreEqual("Refuses sacrifices.", viewModel.Description);
Assert.AreEqual(3000, viewModel.Age);
Assert.IsFalse(viewModel.IsChanged);
Assert.IsTrue(viewModel.IsDirty);
}
public void RollbackReferenceTypes2()
{
var dummy = new object();
var viewModel = new TestViewModel();
Assert.IsNull(viewModel.Dummy);
Assert.IsFalse(viewModel.IsChanged);
Assert.IsFalse(viewModel.IsDirty);
viewModel.Dummy = dummy;
Assert.AreEqual(dummy, viewModel.Dummy);
Assert.IsTrue(viewModel.IsChanged);
Assert.IsTrue(viewModel.IsDirty);
viewModel.AcceptChanges();
Assert.IsFalse(viewModel.IsChanged);
Assert.IsTrue(viewModel.IsDirty);
viewModel.Dummy = new object();
Assert.AreNotEqual(dummy, viewModel.Dummy);
Assert.IsTrue(viewModel.IsChanged);
Assert.IsTrue(viewModel.IsDirty);
viewModel.RejectChanges();
Assert.AreEqual(dummy, viewModel.Dummy);
Assert.IsFalse(viewModel.IsChanged);
Assert.IsTrue(viewModel.IsDirty);
}
public void RollbackCollection2()
{
var kain = new TestViewModel();
Assert.IsNull(kain.Name);
Assert.IsNotNull(kain.Children);
Assert.IsFalse(kain.IsChanged);
Assert.IsFalse(kain.IsDirty);
var turel = new TestViewModel {
Name = "Turel"
};
var dumah = new TestViewModel {
Name = "Dumah"
};
var rahab = new TestViewModel {
Name = "Rahab"
};
var zephon = new TestViewModel {
Name = "Zephon"
};
var melchiah = new TestViewModel {
Name = "Melchiah"
};
kain.Name = "Kain";
kain.Description = "Traps the essence of life in his abominations.";
kain.Children.AddRange(new[] { turel, dumah, rahab, zephon, melchiah });
kain.AcceptChanges();
Assert.IsFalse(kain.IsChanged);
Assert.IsTrue(kain.IsDirty);
Assert.AreEqual(kain, kain.Children[0].ParentViewModel);
Assert.AreEqual(kain, kain.Children[1].ParentViewModel);
Assert.AreEqual(kain, kain.Children[2].ParentViewModel);
Assert.AreEqual(kain, kain.Children[3].ParentViewModel);
Assert.AreEqual(kain, kain.Children[4].ParentViewModel);
Assert.IsFalse(kain.Children[0].IsChanged);
Assert.IsFalse(kain.Children[1].IsChanged);
Assert.IsFalse(kain.Children[2].IsChanged);
Assert.IsFalse(kain.Children[3].IsChanged);
Assert.IsFalse(kain.Children[4].IsChanged);
kain.Children.Remove(zephon);
Assert.IsNotNull(kain.Children);
Assert.AreEqual(4, kain.Children.Count);
Assert.IsNull(zephon.ParentViewModel);
kain.RejectChanges();
Assert.IsNotNull(kain.Children);
Assert.AreEqual(5, kain.Children.Count);
Assert.AreEqual(kain, zephon.ParentViewModel);
}
public void RollbackChildViewModel2()
{
var child = new TestViewModel
{
Name = "Raziel",
Description = "Is a Time spanned soul."
};
var viewModel = new TestViewModel
{
Name = "Kain",
Description = "Felt the full gravity of choice.",
Child = child
};
viewModel.Name = "Kain";
viewModel.Description = "Felt the full gravity of choice.";
viewModel.Child = child;
Assert.AreEqual(child, viewModel.Child);
Assert.AreEqual(viewModel, child.ParentViewModel);
Assert.IsTrue(child.IsChanged);
Assert.IsTrue(child.IsDirty);
Assert.IsTrue(viewModel.IsChanged);
Assert.IsTrue(viewModel.IsDirty);
viewModel.RejectChanges();
Assert.IsNull(child.Name);
Assert.IsNull(child.Description);
Assert.IsNull(viewModel.Child);
Assert.IsNull(child.ParentViewModel);
Assert.IsNull(viewModel.Name);
Assert.IsNull(viewModel.Description);
Assert.IsFalse(child.IsChanged);
Assert.IsTrue(child.IsDirty);
Assert.IsFalse(viewModel.IsChanged);
Assert.IsTrue(viewModel.IsDirty);
child.Name = "Raziel";
child.Description = "Is a Time spanned soul.";
viewModel.Child = child;
child.AcceptChanges();
Assert.IsFalse(child.IsChanged);
Assert.IsTrue(child.IsDirty);
viewModel.RejectChanges();
Assert.AreEqual("Raziel", child.Name);
Assert.AreEqual("Is a Time spanned soul.", child.Description);
Assert.IsNull(viewModel.Child);
Assert.IsNull(child.ParentViewModel);
Assert.IsFalse(child.IsChanged);
Assert.IsTrue(child.IsDirty);
}
public void SaveRedoCommands()
{
var raziel = new TestViewModel
{
Name = "Raziel",
Description = "Has a dispute to settle."
};
raziel.AcceptChanges();
Assert.IsFalse(raziel.IsChanged);
Assert.IsTrue(raziel.IsDirty);
Assert.IsFalse(raziel.Commands[typeof(SaveCommand)].CanExecute(raziel));
Assert.IsFalse(raziel.Commands[typeof(UndoCommand)].CanExecute(raziel));
raziel.Name = "Raziel Sarafan";
Assert.IsTrue(raziel.Commands[typeof(SaveCommand)].CanExecute(raziel));
Assert.IsTrue(raziel.Commands[typeof(UndoCommand)].CanExecute(raziel));
raziel.Commands[typeof(UndoCommand)].Execute(raziel);
Assert.AreEqual("Raziel", raziel.Name);
Assert.IsFalse(raziel.IsChanged);
Assert.IsTrue(raziel.IsDirty);
Assert.IsFalse(raziel.Commands[typeof(SaveCommand)].CanExecute(raziel));
Assert.IsFalse(raziel.Commands[typeof(UndoCommand)].CanExecute(raziel));
raziel.Description = "Was spared from total dissolution.";
Assert.IsTrue(raziel.IsChanged);
Assert.IsTrue(raziel.IsDirty);
Assert.IsTrue(raziel.Commands[typeof(SaveCommand)].CanExecute(raziel));
Assert.IsTrue(raziel.Commands[typeof(UndoCommand)].CanExecute(raziel));
raziel.Commands[typeof(SaveCommand)].Execute(raziel);
Assert.AreEqual("Was spared from total dissolution.", raziel.Description);
Assert.IsFalse(raziel.IsChanged);
Assert.IsTrue(raziel.IsDirty);
Assert.IsFalse(raziel.Commands[typeof(SaveCommand)].CanExecute(raziel));
Assert.IsFalse(raziel.Commands[typeof(UndoCommand)].CanExecute(raziel));
}
public void EndEdit()
{
var dummy = new object();
var raziel = new TestViewModel
{
Name = "Raziel",
};
raziel.AcceptChanges();
raziel.Dummy = dummy;
raziel.BeginEdit();
Assert.IsTrue(raziel.IsEditing);
Assert.IsTrue(raziel.IsChanged);
Assert.IsTrue(raziel.IsDirty);
raziel.EndEdit();
Assert.AreEqual("Raziel", raziel.Name);
Assert.AreEqual(dummy, raziel.Dummy);
Assert.IsFalse(raziel.IsEditing);
Assert.IsFalse(raziel.IsChanged);
Assert.IsTrue(raziel.IsDirty);
}
public void BeginEdit()
{
var raziel = new TestViewModel
{
Name = "Raziel",
};
raziel.AcceptChanges();
Assert.IsFalse(raziel.IsEditing);
Assert.IsFalse(raziel.IsChanged);
Assert.IsTrue(raziel.IsDirty);
raziel.Dummy = new object();
Assert.IsFalse(raziel.IsEditing);
Assert.IsTrue(raziel.IsChanged);
Assert.IsTrue(raziel.IsDirty);
raziel.BeginEdit();
Assert.IsTrue(raziel.IsEditing);
Assert.IsTrue(raziel.IsChanged);
Assert.IsTrue(raziel.IsDirty);
}
public void RollbackCollection3()
{
var kain = new TestViewModel();
Assert.IsNull(kain.Name);
Assert.IsNotNull(kain.Children);
Assert.IsFalse(kain.IsChanged);
Assert.IsFalse(kain.IsDirty);
var turel = new TestViewModel {
Name = "Turel"
};
var dumah = new TestViewModel {
Name = "Dumah"
};
var rahab = new TestViewModel {
Name = "Rahab"
};
var zephon = new TestViewModel {
Name = "Zephon"
};
var melchiah = new TestViewModel {
Name = "Melchiah"
};
kain.Name = "Kain";
kain.Description = "Does not like transgressions.";
kain.Children.AddRange(new[] { turel, dumah, rahab, zephon, melchiah });
turel.AcceptChanges();
Assert.IsTrue(kain.IsChanged);
Assert.IsTrue(kain.IsDirty);
Assert.AreEqual(kain, kain.Children[0].ParentViewModel);
Assert.AreEqual(kain, kain.Children[1].ParentViewModel);
Assert.AreEqual(kain, kain.Children[2].ParentViewModel);
Assert.AreEqual(kain, kain.Children[3].ParentViewModel);
Assert.AreEqual(kain, kain.Children[4].ParentViewModel);
Assert.IsFalse(kain.Children[0].IsChanged);
Assert.IsTrue(kain.Children[1].IsChanged);
Assert.IsTrue(kain.Children[2].IsChanged);
Assert.IsTrue(kain.Children[3].IsChanged);
Assert.IsTrue(kain.Children[4].IsChanged);
turel.Name = "Turel Sarafan";
Assert.IsTrue(turel.IsChanged);
Assert.IsTrue(turel.IsDirty);
kain.RejectChanges();
Assert.IsNull(kain.Name);
Assert.IsNull(kain.Children);
Assert.IsNull(dumah.Name);
Assert.IsNull(dumah.ParentViewModel);
Assert.IsNull(rahab.Name);
Assert.IsNull(rahab.ParentViewModel);
Assert.IsNull(zephon.Name);
Assert.IsNull(zephon.ParentViewModel);
Assert.IsNull(melchiah.Name);
Assert.IsNull(melchiah.ParentViewModel);
Assert.AreEqual("Turel", turel.Name);
Assert.AreEqual(kain, turel.ParentViewModel);
Assert.IsFalse(turel.IsChanged);
Assert.IsTrue(turel.IsDirty);
}
