public void CouldUseCacheExtensionMethod()
{
var count = 100;
var sw = new Stopwatch();
sw.Start();
var sm = new SortedMap <DateTime, double>();
sm.IsSynchronized = true;
var addTask = Task.Run(async() => {
await Task.Delay(50);
for (int i = 0; i < count; i++)
{
sm.Add(DateTime.UtcNow.Date.AddSeconds(i), i);
//await Task.Delay(1);
}
});
var cached = sm.Cache();
double sum = 0.0;
var sumTask = Task.Run(async() => {
var c = cached.GetCursor();
while (c.MoveNext())
{
sum += c.CurrentValue;
}
Assert.AreEqual(0, sum);
var stop = DateTime.UtcNow.Date.AddSeconds(count - 1);
//await Task.Delay(50);
while (await c.MoveNext(CancellationToken.None))
{
sum += c.CurrentValue;
//Console.WriteLine("Current key: {0}", c.CurrentKey);
if (c.CurrentKey == stop)
{
break;
}
}
});
sumTask.Wait();
addTask.Wait();
sw.Stop();
double expectedSum = 0.0;
for (int i = 0; i < count; i++)
{
expectedSum += i;
}
Assert.AreEqual(expectedSum, sum);
Console.WriteLine("Elapsed msec: {0}", sw.ElapsedMilliseconds - 50);
Console.WriteLine("Ops: {0}", Math.Round(0.000001 * count * 1000.0 / (sw.ElapsedMilliseconds * 1.0), 2));
}