public void UndoAllEdit_before_begin_edit()
{
MockEntity entity = new MockEntity()
{
IntProperty = 1
};
Should.Throw <ArgumentNullException>(() => entity.UndoAllEdit());
}
public void UndoAllEdit()
{
int before = 1;
int after = 2;
MockEntity entity = new MockEntity()
{
IntProperty = before
};
entity.BeginEdit();
entity.IntProperty = after;
entity.UndoAllEdit();
Assert.AreEqual(before, entity.IntProperty);
Assert.IsTrue(entity.IsEditing);
}