public void CreatesContextForAnyString()
{
Fixture fixture = new Fixture();
string name = fixture.Create <string>();
QueueContextFactory factory = new QueueContextFactory();
Assert.IsNotNull(factory.GetContext(name));
}
public void GettingContextIsThreadSafe(int numberOfThreads, int numberOfNames)
{
string[] names = Enumerable.Repeat(String.Empty, numberOfNames).Select(p => Guid.NewGuid().ToString("N")).ToArray();
ManualResetEvent[] threadStartNotifyHandles = Enumerable.Repeat(String.Empty, numberOfThreads).Select(p => new ManualResetEvent(false)).ToArray();
ManualResetEvent startWaitHandle = new ManualResetEvent(false);
List <Thread> tasks = new List <Thread>();
QueueContextFactory factory = new QueueContextFactory();
ThreadPool.GetMaxThreads(out int workerThreads, out int completionPortThreads);
ThreadPool.SetMaxThreads(workerThreads < numberOfThreads ? numberOfThreads : workerThreads, completionPortThreads < numberOfThreads ? numberOfThreads : completionPortThreads);
for (int i = 0; i < numberOfThreads; i++)
{
int i1 = i;
tasks.Add(new Thread
(
delegate()
{
int index = i1 % numberOfNames;
string name = names[index];
threadStartNotifyHandles[i1].Set();
if (!startWaitHandle.WaitOne(TimeSpan.FromMinutes(1)))
{
throw new InvalidOperationException("Start did not come");
}
Assert.IsNotNull(factory.GetContext(name));
}
)
);
}
for (int i = 0; i < numberOfThreads; i++)
{
tasks[i].Start();
}
// Wait for all threads to start
WaitHandle.WaitAll(threadStartNotifyHandles.Cast <WaitHandle>().ToArray());
// execute context getting
startWaitHandle.Set();
for (int i = 0; i < numberOfThreads; i++)
{
tasks[i].Join(TimeSpan.FromSeconds(15));
}
}
public void ContextsAreSingletons()
{
Fixture fixture = new Fixture();
string name1 = fixture.Create <string>();
string name2 = fixture.Create <string>();
QueueContextFactory factory = new QueueContextFactory();
QueueContext context1 = factory.GetContext(name1);
QueueContext context2 = factory.GetContext(name2);
QueueContext context3 = factory.GetContext(name2);
QueueContext context4 = factory.GetContext(name1);
QueueContext context5 = factory.GetContext(name1);
Assert.IsNotNull(context1);
Assert.IsNotNull(context2);
Assert.IsNotNull(context3);
Assert.IsNotNull(context4);
Assert.IsNotNull(context5);
Assert.AreSame(context1, context4);
Assert.AreSame(context1, context5);
Assert.AreSame(context2, context3);
}