public void Test_Snapshot_Restore_Returns_Without_ModifiedList()
{
var list = new List <int> {
1, 2, 3
};
var sp = new SnapShot(list);
list.Add(4);
var restoreList = sp.Restore();
Assert.IsNotNull(restoreList);
Assert.AreNotEqual(list.Count, restoreList.Count);
}
public void Test_Snapshot_Restore_Returns_Not_ModifiedList()
{
List <int> list = new List <int> {
1, 2, 3
};
SnapShot sp = new SnapShot(list);
list[0] = 10;
var restoreList = sp.Restore();
Assert.IsNotNull(restoreList);
Assert.AreNotEqual(list[0], restoreList.ToList()[0]);
}
private static void Main()
{
var list = new List <int> {
1, 2, 3
};
var sp = new SnapShot(list);
list.Add(4);
var restoreList = sp.Restore();
//restoreList is IReadOnlyCollection, so we can not add to the ReadOnlyCollection
Console.WriteLine(string.Join(",", restoreList));
Console.ReadLine();
}