public void TestMementoRestorationAndEquality()
{
SmartPropertyBag spb1 = new SmartPropertyBag();
spb1.AddValue("Fred", 12);
//spb1.AddExpression("Bill","Math.Max(Fred,17)",new string[]{"Fred"});
spb1.AddDelegate("Steve", new SmartPropertyBag.SPBDoubleDelegate(ComputeSteve));
spb1.AddString("Donkey", "Kong");
spb1.AddBoolean("HabaneroHot", true);
Highpoint.Sage.Utility.Mementos.IMemento mem1 = spb1.Memento;
SmartPropertyBag spb2 = new SmartPropertyBag();
spb2.Memento = mem1;
Assert.IsTrue(spb1 != spb2, "Object spb1 and spb2 cannot be the same instance");
Assert.IsTrue(spb1.Equals(spb2), "SPB1 and SPB2 should be equal");
Assert.IsTrue(spb1.Memento == spb2.Memento, "SPB1.Memento and SPB2.Memento should be equal");
Debug.WriteLine(DiagnosticAids.DumpDictionary("Before", spb1.Memento.GetDictionary()));
Debug.WriteLine(DiagnosticAids.DumpDictionary("After", spb2.Memento.GetDictionary()));
}
public void TestMementoCaching()
{
m_steve = 12;
SmartPropertyBag spb1 = new SmartPropertyBag();
spb1.AddValue("Fred", 12);
spb1.AddDelegate("Steve", new SmartPropertyBag.SPBDoubleDelegate(ComputeSteve));
spb1.AddString("Name", "SPB1");
Highpoint.Sage.Utility.Mementos.IMemento mem1 = spb1.Memento;
Debug.WriteLine(DiagnosticAids.DumpDictionary("mem1", mem1.GetDictionary()));
Highpoint.Sage.Utility.Mementos.IMemento mem2 = spb1.Memento;
Debug.WriteLine(DiagnosticAids.DumpDictionary("mem2", mem2.GetDictionary()));
Debug.WriteLine("The new snapshot is " + (mem1 == mem2?"":"not ") + "equal to the one preceding it.\r\n");
Assert.IsTrue(mem2 == mem1, "Memento 1 is not equal Memento 2");
Assert.IsTrue((double)spb1["Steve"] == 12, "Steve is not 12");
Assert.IsTrue("SPB1".Equals(spb1["Name"]), "Name is not SPB1");
Debug.WriteLine("Changing \"Fred\" to 14 from 12.");
spb1["Fred"] = 14;
Highpoint.Sage.Utility.Mementos.IMemento mem3 = spb1.Memento;
Debug.WriteLine(DiagnosticAids.DumpDictionary("mem3", mem3.GetDictionary()));
Debug.WriteLine("The new snapshot is " + (mem2 == mem3?"":"not ") + "equal to the one preceding it.\r\n");
Assert.IsTrue(mem2 != mem3, "Memento 2 is not not equal to Memento 3");
Assert.IsTrue((double)spb1["Fred"] == 14, "Fred is not 14");
Debug.WriteLine("Changing \"Name\" to \"spb1\" from \"SPB1\".");
spb1["Name"] = "spb1";
Highpoint.Sage.Utility.Mementos.IMemento mem3a = spb1.Memento;
Debug.WriteLine(DiagnosticAids.DumpDictionary("mem3a", mem3a.GetDictionary()));
Debug.WriteLine("The new snapshot is " + (mem2 == mem3a?"":"not ") + "equal to the one preceding it.\r\n");
Assert.IsTrue(mem2 != mem3a, "Memento 2 is equal to memento 3a");
spb1.AddValue("_Connie", 99);
SmartPropertyBag spb2 = new SmartPropertyBag();
spb2.AddValue("_Pete", 14);
spb1.AddAlias("Pete", spb2, "_Pete");
Highpoint.Sage.Utility.Mementos.IMemento mem4 = spb1.Memento;
Highpoint.Sage.Utility.Mementos.IMemento mem5 = spb1.Memento;
Debug.WriteLine("The new snapshot is " + (mem4 == mem5?"":"not ") + "equal to the one preceding it.\r\n");
Assert.IsTrue(mem5 == mem4, "Memento 5 is not equal to memento 4");
Debug.WriteLine("\r\nChanging a value in a foreign alias.");
spb2["_Pete"] = 16;
Highpoint.Sage.Utility.Mementos.IMemento mem6 = spb1.Memento;
Debug.WriteLine("The new snapshot is " + (mem5 == mem6?"":"not ") + "equal to the one preceding it.\r\n");
Assert.IsTrue(mem5 != mem6, "Memento is equal to memento 6");
Debug.WriteLine("Capturing another snapshot without change.");
Highpoint.Sage.Utility.Mementos.IMemento mem7 = spb1.Memento;
Debug.WriteLine("The new snapshot is " + (mem6 == mem7?"":"not ") + "equal to the one preceding it.\r\n");
Assert.IsTrue(mem6 == mem7, "Memento 6 is not equal to memento 7");
Debug.WriteLine("Changing the data driving a delegate-computed value.");
m_steve = 14;
Highpoint.Sage.Utility.Mementos.IMemento mem8 = spb1.Memento;
Debug.WriteLine("The new snapshot is " + (mem8 == mem7?"":"not ") + "equal to the one preceding it.\r\n");
Assert.IsTrue(mem7 != mem8, "Memento 7 is equal to memento 8");
Debug.WriteLine("\r\nWe will now test snapshotting's functionality as it pertains to subsidiaries.");
SmartPropertyBag spb1_1 = new SmartPropertyBag();
spb1.AddChildSPB("Sub", spb1_1);
spb1_1.AddValue("marine", 12);
Highpoint.Sage.Utility.Mementos.IMemento mem9 = spb1.Memento;
Debug.WriteLine(DiagnosticAids.DumpDictionary("Main", mem9.GetDictionary()));
Debug.WriteLine("Taking another immediately-following snapshot.");
Highpoint.Sage.Utility.Mementos.IMemento mem10 = spb1.Memento;
Debug.WriteLine("The new snapshot is " + (mem9 == mem10?"":"not ") + "equal to the one preceding it.\r\n");
Assert.IsTrue(mem10 == mem9, "Memento 10 is not equal to memento 9");
Debug.WriteLine("Changing a data member in a subsidiary.");
spb1_1["marine"] = 21;
Highpoint.Sage.Utility.Mementos.IMemento mem11 = spb1.Memento;
Debug.WriteLine("The new snapshot is " + (mem10 == mem11?"":"not ") + "equal to the one preceding it.\r\n");
Assert.IsTrue(mem11 != mem10, "Memento 11 is equal to memento 10");
}