public void QueueCircular()
{
Energy.Base.Queue <string> queue = new Energy.Base.Queue <string>();
queue.Ring = true;
queue.Limit = 2;
queue.Push("A");
queue.Push("B");
queue.Push("C");
Assert.AreEqual(2, queue.Count);
string value;
value = queue.Pull();
System.Diagnostics.Debug.WriteLine(value);
Assert.AreEqual("B", value);
value = queue.Pull();
Assert.AreEqual("C", value);
value = queue.Pull();
Assert.IsNull(value);
Assert.AreEqual(0, queue.Count);
queue.Limit = 1;
queue.Ring = false;
queue.Push("A");
bool success;
success = queue.Push("B");
Assert.IsFalse(success);
Assert.AreEqual(1, queue.Count);
}
public void QueueLimit()
{
Energy.Base.Queue <string> q = new Energy.Base.Queue <string>();
q.Limit = 2;
q.Push("ABC");
q.Push("DEF");
Assert.IsFalse(q.Push("GHI"), "Queue should not allow to push element when exceeds limit");
q.Ring = true;
Assert.IsTrue(q.Push("GHI"), "Queue should allow to push element when circular mode is on");
Assert.AreEqual("DEF", q.Pull());
Assert.AreEqual("GHI", q.Pull());
DateTime start;
TimeSpan spend;
start = DateTime.Now;
Assert.AreEqual(null, q.Pull());
spend = DateTime.Now - start;
Assert.IsTrue(spend < TimeSpan.FromSeconds(0.1), "Time spend should be less than 0.1 s");
start = DateTime.Now;
Assert.AreEqual(null, q.Pull(0.2));
spend = DateTime.Now - start;
Assert.IsTrue(spend >= TimeSpan.FromSeconds(0.1), "Time spend should be at least more than 0.1 s");
start = DateTime.Now;
Thread t1 = new Thread(() => { Thread.Sleep(10); q.Push("123"); });
t1.Start();
Assert.AreEqual("123", q.Pull(0.3));
spend = DateTime.Now - start;
Assert.IsTrue(spend >= TimeSpan.FromMilliseconds(10), "Time spend should be at least 10 ms");
q.Push("XYZ");
Assert.AreEqual(1, q.Count);
q.Clear();
Assert.AreEqual(0, q.Count);
}
