public void PollShouldReturnNull()
{
// given
var queue = new DefaultBlockingQueue <string>();
// when
var item = queue.Poll();
// then
Check.That(item).IsNull();
}
public void ShouldPollValue()
{
// given
var queue = new DefaultBlockingQueue <string>();
queue.Offer("test");
// when
var item = queue.Poll();
// then
Check.That(item).IsEqualTo("test");
Check.That(queue).IsEmpty();
}
public void PeekShouldReturnValueWithoutDequeue()
{
// given
var queue = new DefaultBlockingQueue <string>();
queue.Offer("test");
// when
var item = queue.Peek();
// then
Check.That(item).IsEqualTo("test");
Check.That(queue).HasSize(1);
}
public void ShouldWaitForValueTake()
{
// given
var queue = new DefaultBlockingQueue <string>();
var timeout = TimeSpan.FromSeconds(10);
const string itemToOffer = "item";
// when
Task.Run(() =>
{
Thread.Sleep(100);
queue.Offer(itemToOffer);
});
var item = queue.Poll(timeout);
// then
Check.That(item).IsEqualTo(itemToOffer);
}
public void TakeShouldWaitForElementAvailability()
{
// given
var queue = new DefaultBlockingQueue <string>();
const string element = "test";
Task.Factory.StartNew(() =>
{
Thread.Sleep(TimeSpan.FromSeconds(1));
queue.Offer(element);
});
// when
var item = queue.Take();
// then
Check.That(item).IsEqualTo(element);
}