[Test, Category("Slow")]
public void CheckTotalDurationOfDoingSomethingSlowAThousandTimes()
{
    var profiler = new DelegateProfiler(() => Thread.Sleep(1));
    int totalDuration = profiler.TotalDurationInMilliseconds;
    Assert.IsTrue(totalDuration > 950);
    Console.WriteLine(totalDuration + " milliseconds for 1,000 iterations");
}

[Test, Category("Slow")]
public void CheckTotalDurationOfDoingSomethingSlowAThousandTimes()
{
    var profiler = new DelegateProfiler(() => Thread.Sleep(1));
    int totalDuration = profiler.TotalDurationInMilliseconds;
    Assert.IsTrue(totalDuration > 950);
    Console.WriteLine(totalDuration + " milliseconds for 1,000 iterations");
}

[Test, Category("Slow")]
public void CheckIndividualDurationOfDoingSomethingSlowAThousandTimes()
{
    var profiler = new DelegateProfiler(() => Thread.Sleep(1));
    int duration = profiler.AverageDurationInNanoseconds;
    Assert.IsTrue(duration > 950);
    Console.WriteLine(duration + " nanoseconds each");
}

[Test, Category("Slow")]
public void CheckIndividualDurationOfDoingSomethingSlowAThousandTimes()
{
    var profiler = new DelegateProfiler(() => Thread.Sleep(1));
    int duration = profiler.AverageDurationInNanoseconds;
    Assert.IsTrue(duration > 950);
    Console.WriteLine(duration + " nanoseconds each");
}

[Test, Category("Slow")]
public void CheckTotalDurationOfDoingSomethingFastAMillionTimes()
{
    var profiler = new DelegateProfiler(DoSomeMaths, 1000000);
    int duration = profiler.TotalDurationInMilliseconds;
    Assert.IsTrue(duration > 5);
    Console.WriteLine(duration + " milliseconds for 1,000,000 iterations");
}

[Test, Category("Slow")]
public void CheckTotalDurationOfDoingSomethingFastAMillionTimes()
{
    var profiler = new DelegateProfiler(DoSomeMaths, 1000000);
    int duration = profiler.TotalDurationInMilliseconds;
    Assert.IsTrue(duration > 5);
    Console.WriteLine(duration + " milliseconds for 1,000,000 iterations");
}