public void TestDequeueReturn()
{
Sixt4.TestAssignment.ConcurrentQueue <int> list = new Sixt4.TestAssignment.ConcurrentQueue <int>();
Task <int> taskDequeue = Task <int> .Run(() => list.Dequeue(5));
Task taskEnqueue = Task <int> .Run(() => list.Enqueue(2));
taskDequeue.Wait();
taskEnqueue.Wait();
Assert.IsTrue(taskDequeue.Result == 2);
}
public void TestDequeue()
{
Sixt4.TestAssignment.ConcurrentQueue <int> list = new Sixt4.TestAssignment.ConcurrentQueue <int>();
Task <int> taskDequeue = Task <int> .Run(() => list.Dequeue(1000));
Task taskEnqueue = Task.Delay(500).ContinueWith(_ => list.Enqueue(2));
taskDequeue.Wait();
taskEnqueue.Wait();
Assert.IsTrue(taskDequeue.Result == 2);
}
private async void TestEnqueueAsync()
{
Sixt4.TestAssignment.ConcurrentQueue <int> list = new Sixt4.TestAssignment.ConcurrentQueue <int>();
var tasks = new List <Task>();
var range = Enumerable.Range(0, 10000);
foreach (var number in range)
{
tasks.Add(Task.Factory.StartNew(() => list.Enqueue(number), TaskCreationOptions.PreferFairness));
}
await Task.WhenAll(tasks);
Assert.IsTrue(range.Count <int>() == list.Count());
Assert.IsTrue(range.SequenceEqual <int>(list));
}
public void TestDequeueTimeoutException()
{
Sixt4.TestAssignment.ConcurrentQueue <int> list = new Sixt4.TestAssignment.ConcurrentQueue <int>();
bool returnValue = false;
try
{
Task <int> taskDequeue = Task <int> .Run(() => list.Dequeue(2000));
taskDequeue.Wait();
}
catch (Exception)
{
returnValue = true;
}
Assert.IsTrue(returnValue);
}
private async void TestDequeueWithCollectionAsync()
{
Sixt4.TestAssignment.ConcurrentQueue <int> list = new Sixt4.TestAssignment.ConcurrentQueue <int>();
var tasks = new List <Task>();
var range = Enumerable.Range(0, 10000);
List <int> numbers = new List <int>();
foreach (var number in range)
{
numbers.Add(number);
}
tasks.Add(Task.Factory.StartNew(() => list.Enqueue(numbers), TaskCreationOptions.PreferFairness));
tasks.Add(Task <List <int> > .Factory.StartNew(() => list.DequeueAll(1000), TaskCreationOptions.PreferFairness));
await Task.WhenAll(tasks);
Assert.IsTrue(range.Count <int>() == (tasks[1] as Task <List <int> >).Result.Count());
Assert.IsTrue(range.SequenceEqual <int>((tasks[1] as Task <List <int> >).Result));
}
