public void should_return_special_log_event_when_no_more_log_event_are_available()
{
var log = LogManager.GetLogger(typeof(LogManagerTests));
var actualLogEvents = new List <ILogEvent>();
for (var i = 0; i < 10; i++)
{
actualLogEvents.Add(log.Debug());
}
var unavailableEvent = log.Debug();
Check.That(actualLogEvents.OfType <LogEvent>().Count()).Equals(actualLogEvents.Count);
Check.That(unavailableEvent).IsInstanceOf <ForwardingLogEvent>();
var signal = _testAppender.SetMessageCountTarget(actualLogEvents.Count);
for (var i = 0; i < actualLogEvents.Count; i++)
{
var actualLogEvent = actualLogEvents[i];
actualLogEvent.Append(i).Log();
}
signal.Wait(TimeSpan.FromMilliseconds(100));
Check.That(log.Debug()).IsInstanceOf <LogEvent>();
}
public void should_run_test()
{
const int threadMessageCount = 1000 * 1000;
const int threadCount = 5;
const int totalMessageCount = threadMessageCount * threadCount;
var timer = Stopwatch.StartNew();
var logger = LogManager.GetLogger(typeof(PerformanceTests));
var signal = _testAppender.SetMessageCountTarget(totalMessageCount);
var utcNow = DateTime.UtcNow;
Parallel.For(0, threadCount, i =>
{
for (var k = 0; k < threadMessageCount; k++)
{
logger.Info().Append("Hello ").Append(42).Append(utcNow).Append(42.56).Append(" this is a relatlively long message ").Append(12345.4332m).Log();
}
});
var timedOut = !signal.Wait(TimeSpan.FromSeconds(10));
timer.Stop();
if (timedOut)
{
Assert.Fail("Timeout");
}
Console.WriteLine($"Total message count : {totalMessageCount:N0} messages");
Console.WriteLine($"Thread message count : {threadMessageCount:N0} messages");
Console.WriteLine($"Thread count : {threadCount} threads");
Console.WriteLine($"Elapsed time : {timer.ElapsedMilliseconds:N0} ms");
Console.WriteLine($"Message rate : {totalMessageCount / timer.Elapsed.TotalSeconds:N0} m/s");
Console.WriteLine($"Average log cost : {timer.ElapsedMilliseconds * 1000 / (double)totalMessageCount:N3} µs");
}