private static void Test01()
{
Console.WriteLine("// Test 01");
Console.WriteLine();
Console.WriteLine("Creating object with async lazy properties.");
var sw = new Stopwatch();
sw.Start();
var o = new ObjectWithLazy(false);
ShowElapsed(sw.ElapsedMilliseconds);
Console.WriteLine("Waiting 1s");
Thread.Sleep(1000);
ShowElapsed(sw.ElapsedMilliseconds);
sw.Restart();
Console.WriteLine("First call, should take 3s (1.5s for each)");
Console.WriteLine($"Result: {o.Number1 + o.Number2}");
ShowElapsed(sw.ElapsedMilliseconds);
sw.Restart();
Console.WriteLine("Second call, should take 0");
Console.WriteLine($"Result: {o.Number1 + o.Number2}");
ShowElapsed(sw.ElapsedMilliseconds);
Console.WriteLine();
Console.WriteLine("Creating object with async lazy properties and start them.");
sw.Restart();
o = new ObjectWithLazy(true);
ShowElapsed(sw.ElapsedMilliseconds);
Console.WriteLine("Waiting 1s");
Thread.Sleep(1000);
ShowElapsed(sw.ElapsedMilliseconds);
sw.Restart();
Console.WriteLine("First call, should take cca 0.5s, because lazy initialization has been start in ctor.");
Console.WriteLine($"Result: {o.Number1 + o.Number2}");
ShowElapsed(sw.ElapsedMilliseconds);
sw.Restart();
Console.WriteLine("Second call, should take 0");
Console.WriteLine($"Result: {o.Number1 + o.Number2}");
ShowElapsed(sw.ElapsedMilliseconds);
}
private static void Test02()
{
Console.WriteLine("// Test 02");
Console.WriteLine("// 50 object with started lazy in parallel");
Console.WriteLine();
var sw = new Stopwatch();
sw.Start();
Enumerable.Range(0, 50).AsParallel().ForAll(i =>
{
var o = new ObjectWithLazy(true);
Console.WriteLine($"Iteration: {i}, Result: {o.Number1 + o.Number2}, ThreadId: {Thread.CurrentThread.ManagedThreadId}");
});
sw.Stop();
ShowElapsed(sw.ElapsedMilliseconds);
}
