public void Ages()
{
UT_INIT();
Log.SetVerbosity( new ConsoleLogger(), Verbosity.Verbose, "/" );
Log.MapThreadName( "UnitTest" );
Log.SetDomain( "TickWatch", Scope.Method );
TickWatch tt=new TickWatch();
// minimum time measuring
{
tt.Start();
tt.Sample();
tt.Reset(); // we need to do this once before, otherwise C# might be
// very slow. Obviously the optimizer...
tt.Start();
tt.Sample();
long ttAverageInNanos=tt.GetAverage().InNanos();
long ttAverageInMicros=tt.GetAverage().InMicros();
long ttAverageInMillis=tt.GetAverage().InMillis();
Log.Info( "TickWatch minimum measurement nanos: " + ttAverageInNanos );
Log.Info( "TickWatch minimum measurement micros: " + ttAverageInMicros );
Log.Info( "TickWatch minimum measurement millis: " + ttAverageInMillis );
UT_TRUE( ttAverageInNanos < 5000 );
UT_TRUE( ttAverageInMicros <= 5 );
UT_TRUE( ttAverageInMillis == 0 );
}
// minimum sleep time measuring
{
tt.Reset();
for (int i= 0 ; i< 100 ; i++)
{
ALIB.SleepNanos( 1 );
tt.Sample();
}
Ticks avg= tt.GetAverage();
Log.Info( "100 probes of 1 ns of sleep leads to average sleep time of " + avg.InNanos() + " ns");
}
// sleep two times 20 ms and probe it to an average
{
tt.Reset();
tt.Start();
ALIB.SleepMillis( 20 );
tt.Sample();
ALIB.SleepMillis( 80 );
tt.Start();
ALIB.SleepMillis( 20 );
tt.Sample();
long cnt=tt.GetSampleCnt();
long avg=tt.GetAverage().InMillis();
double hertz=tt.GetAverage().InHertz( 1 );
Log.Info( "TickWatch sum is " + tt.GetCumulated().InMillis() + " after " + cnt + " times 20 ms sleep" );
Log.Info( " average is: " + avg + " ms" );
Log.Info( " in Hertz: " + hertz );
UT_TRUE( hertz < 53 );
UT_TRUE( hertz > 30 ); // should work even on heavily loaded machines
UT_EQ( 2, cnt );
UT_TRUE( avg >= 18 );
UT_TRUE( avg < 45 ); // should work even on heavily loaded machines
}
// Ticks Since
{
Ticks tt1= new Ticks(); tt1.FromSeconds( 1000 );
Ticks tt2= new Ticks(); tt2.FromSeconds( 1001 );
UT_TRUE ( tt2.Since( tt1 ).InMillis() == 1000L );
UT_TRUE ( tt2.Since( tt1 ).InMicros() == 1000L * 1000L );
UT_TRUE ( tt2.Since( tt1 ).InNanos () == 1000L * 1000L * 1000L );
}
}
