public void ValidateDiagnosticsAppendContextConcurrentCalls()
{
int threadCount = 10;
int itemCountPerThread = 100000;
ConcurrentStack <Exception> concurrentStack = new ConcurrentStack <Exception>();
CosmosDiagnosticsContext cosmosDiagnostics = new CosmosDiagnosticsContextCore(
nameof(ValidateDiagnosticsAppendContext),
"MyCustomUserAgentString");
using (cosmosDiagnostics.GetOverallScope())
{
// Test all the different operations on diagnostics context
using (cosmosDiagnostics.CreateScope("ValidateScope"))
{
Thread.Sleep(TimeSpan.FromSeconds(2));
}
List <Thread> threads = new List <Thread>(threadCount);
for (int i = 0; i < threadCount; i++)
{
Thread thread = new Thread(() =>
this.AddDiagnosticsInBackgroundLoop(
itemCountPerThread,
cosmosDiagnostics,
concurrentStack));
thread.Start();
threads.Add(thread);
}
foreach (Thread thread in threads)
{
thread.Join();
}
}
Assert.AreEqual(0, concurrentStack.Count, $"Exceptions count: {concurrentStack.Count} Exceptions: {string.Join(';', concurrentStack)}");
int count = cosmosDiagnostics.Count();
Assert.AreEqual((threadCount * itemCountPerThread) + 1, count);
}