private static Scope TimedLog(Action <string> doLog, string message, object[] args)
{
string formattedMessage = args == null || args.Length == 0 ? message : message.FormatInvariant(args);
doLog("(Timed) " + formattedMessage);
Stopwatch stopwatch = Stopwatch.StartNew();
return(Scope.Create(
delegate
{
stopwatch.Stop();
TimeSpan elapsed = stopwatch.Elapsed;
doLog("({0}) {1}".FormatInvariant(TimeSpanUtility.FormatForLogging(elapsed.Ticks < 0 ? TimeSpan.Zero : elapsed), formattedMessage));
}));
}
public void RoundUp()
{
Assert.AreEqual("1ms", TimeSpanUtility.FormatForLogging(TimeSpan.FromMilliseconds(0.5)));
}
public void NegativeTimeSpan()
{
Assert.Throws <ArgumentOutOfRangeException>(() => TimeSpanUtility.FormatForLogging(TimeSpan.FromMinutes(-1)));
}
public void FormatForLogging(int ms, string expected)
{
Assert.AreEqual(expected, TimeSpanUtility.FormatForLogging(TimeSpan.FromMilliseconds(ms)));
}