private static async Task <TestResults> RunTestAsync(
int numClients,
ILoadDriver[] loadDrivers,
Func <ILoadDriver, Task <TestResults> > runTestOnSingleDriverInstance)
{
Task <TestResults>[] testTasks = new Task <TestResults> [numClients];
// Trigger the test run for each of the clients and wait for them all
// to finish. Also measure how to long it took for all of them to
// finish running their tests.
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
for (int i = 0; i < numClients; i++)
{
testTasks[i] = runTestOnSingleDriverInstance(loadDrivers[i]);
}
await Task.WhenAll(testTasks);
stopwatch.Stop();
// Merge the raw results from all of the clients
TestResults results = testTasks[0].Result;
for (int i = 1; i < numClients; i++)
{
results = TestResults.Combine(results, testTasks[i].Result);
}
// Compute averages based on the raw results from the clients.
results.ComputeAverages(stopwatch.Elapsed);
return(results);
}