//[Test]
public void PerformanceTests()
{
int n = 10000000;
object x = null;
// ieee.Members[0]
start = DateTime.Now;
for (int i = 0; i < n; i++)
{
x = ieee.Members[0];
}
stop = DateTime.Now;
PrintTest("ieee.Members[0] (direct)", n, Elapsed);
start = DateTime.Now;
IDynamicIndexer members = DynamicIndexer.Create(typeof(ArrayList).GetProperty("Item"));
for (int i = 0; i < n; i++)
{
x = members.GetValue(ieee.Members, 0);
}
stop = DateTime.Now;
PrintTest("ieee.Members[0] (dynamic reflection)", n, Elapsed);
start = DateTime.Now;
PropertyInfo membersPi = typeof(ArrayList).GetProperty("Item");
object[] indexArgs = new object[] { 0 };
for (int i = 0; i < n; i++)
{
x = membersPi.GetValue(ieee.Members, indexArgs);
}
stop = DateTime.Now;
PrintTest("ieee.Members[0] (standard reflection)", n, Elapsed);
}
/// <summary>
/// Returns dynamic indexer if one exists.
/// </summary>
/// <param name="indexer">Indexer to look up.</param>
/// <param name="createCallback">callback function that will be called to create the dynamic indexer</param>
/// <returns>An <see cref="IDynamicIndexer"/> for the given indexer.</returns>
internal static IDynamicIndexer GetDynamicIndexer(PropertyInfo indexer, CreateIndexerCallback createCallback)
{
lock (indexerCache.SyncRoot)
{
IDynamicIndexer dynamicIndexer = (IDynamicIndexer)indexerCache[indexer];
if (dynamicIndexer == null)
{
dynamicIndexer = createCallback(indexer);
indexerCache[indexer] = dynamicIndexer;
}
return(dynamicIndexer);
}
}
public void TestIndexers()
{
IDynamicIndexer members = DynamicIndexer.Create(typeof(ArrayList).GetProperty("Item"));
Inventor nikola = (Inventor)members.GetValue(ieee.Members, new object[] { 0 });
Assert.AreEqual(tesla, nikola);
members.SetValue(ieee.Members, new object[] { 0 }, new Inventor("Ana Maria Seovic", new DateTime(2004, 8, 14), "Serbian"));
Assert.AreEqual("Ana Maria Seovic", ((Inventor)members.GetValue(ieee.Members, 0)).Name);
members.SetValue(ieee.Members, 1, tesla);
Assert.AreEqual("Nikola Tesla", ((Inventor)members.GetValue(ieee.Members, 1)).Name);
IDynamicIndexer officers = DynamicIndexer.Create(typeof(Hashtable).GetProperty("Item"));
Assert.AreEqual(pupin, officers.GetValue(ieee.Officers, new object[] { "president" }));
officers.SetValue(ieee.Officers, "president",
new Inventor("Aleksandar Seovic", new DateTime(1974, 8, 24), "Serbian"));
Assert.AreEqual("Aleksandar Seovic", ((Inventor)officers.GetValue(ieee.Officers, "president")).Name);
}
