protected override void RunCore()
{
if (!RunAndCatch(() => { var inst = Instance; }, "constructor"))
return;
// Try creating a delegate before starting any Stopwatch, so that for
// benchmarking purposes we avoid measuring the cost of reflection.
Action invokeTest = null;
if (Method.ReturnType == typeof(void)) {
try {
invokeTest = (Action)Delegate.CreateDelegate(typeof(Action), Instance, Method);
} catch { }
}
// TODO: Setup method
object result = null;
Statistic runTimes = null;
TimeSpan runTime;
if (MinTrials.HasValue || RepeatForMs.HasValue) {
int minTrials = MinTrials ?? 0;
int repeatForMs = RepeatForMs ?? 0;
int trial = 0;
runTimes = new Statistic();
SimpleTimer timer = new SimpleTimer();
do {
result = RunOnce(invokeTest, out runTime);
runTimes.Add(runTime.TotalMilliseconds);
} while (++trial < minTrials && timer.Millisec < repeatForMs);
RunTime = TimeSpan.FromMilliseconds(timer.Millisec);
} else {
result = RunOnce(invokeTest, out runTime);
RunTime = runTime;
}
if (Status == TestStatus.Running)
Summary = BuildSummary(result, runTimes);
// TODO: Teardown method
}
private string BuildSummary(object result, Statistic runTimes)
{
string msg = "Passed";
if (runTimes != null && runTimes.Count > 1)
{
msg = string.Format("{1} trials; average {2:0.000} seconds, min {3:0.000}, max {4:0.000}, std.dev. {5:0.000})",
msg, runTimes.Count, runTimes.Avg(), runTimes.Min, runTimes.Max, runTimes.StdDeviation());
}
if (result != null)
{
Status = TestStatus.SuccessWithMessage;
msg = string.Format("{0} - {1}", msg, result);
}
else
Status = TestStatus.Success;
return msg;
}