private static void RunAsserts(TimeSpan?maxAverage, TimeSpan?maxTotal, StopwatchExtensions.TimedExecutionSummary executionSummary, Func <TimeSpan?, string> format)
{
if (maxTotal.HasValue && executionSummary.Total > maxTotal.Value)
{
throw new Exception($"{nameof(maxTotal)}: {format(maxTotal)} exceeded. Was: {format(executionSummary.Total)}");
}
if (maxAverage.HasValue && executionSummary.Average > maxAverage.Value)
{
throw new Exception($"{nameof(maxAverage)} exceeded");
}
}
public static StopwatchExtensions.TimedExecutionSummary Execute
(Action action,
int iterations = 1,
TimeSpan?maxAverage = null,
TimeSpan?maxTotal = null,
string description = "",
string timeFormat = DefaultTimeFormat,
int maxTries = 3)
{
maxAverage = maxAverage != default(TimeSpan) ? maxAverage : TimeSpan.MaxValue;
maxTotal = maxTotal != default(TimeSpan) ? maxTotal : TimeSpan.MaxValue;
Func <TimeSpan?, string> format = date => date?.ToString(timeFormat) ?? "";
StopwatchExtensions.TimedExecutionSummary executionSummary = null;
for (int tries = 1; tries <= maxTries; tries++)
{
executionSummary = StopwatchExtensions.TimeExecution(action: action, iterations: iterations);
try
{
RunAsserts(maxAverage, maxTotal, executionSummary, format);
}
catch (Exception e)
{
Debug.WriteLine($"Try: {tries} {e.GetType().FullName}: {e.Message}");
if (tries >= maxTries)
{
PrintSummary(iterations, maxAverage, maxTotal, description, format, executionSummary);
throw;
}
continue;
}
PrintSummary(iterations, maxAverage, maxTotal, description, format, executionSummary);
break;
}
return(executionSummary);
}
private static void PrintSummary
(int iterations, TimeSpan?maxAverage, TimeSpan?maxTotal, string description, Func <TimeSpan?, string> format, StopwatchExtensions.TimedExecutionSummary executionSummary)
{
if (iterations > 1)
{
Console.WriteLine(
$@"Executed {iterations:N} iterations of {description}
Total: {format(executionSummary.Total)} Limit: {format(maxTotal)}
Average: {format
(executionSummary.Average)} Limit: {format(maxAverage)}");
}
else
{
Console.WriteLine(
$@"Executed {iterations} iterations of {description}
Total: {format(executionSummary.Total)} Limit: {format(maxTotal)}");
}
}
