public void TestRemove()
{
var q = new PunisherQueue <string>();
q.Enqueue("a");
q.Enqueue("b");
q.Enqueue("c");
q.Remove("b");
Assert.IsTrue(string.Join("", q) == "ac");
}
public void TestPeek()
{
var q = new PunisherQueue <string>();
q.Enqueue("a");
q.Enqueue("b");
q.Enqueue("c");
Assert.IsTrue(q.Peek() == "a");
Assert.IsTrue(string.Join("", q) == "abc");
}
public void TestTryPeek()
{
var q = new PunisherQueue <string>();
Assert.IsTrue(!q.TryPeek(out _));
q.Enqueue("a");
q.Enqueue("b");
q.Enqueue("c");
Assert.IsTrue(q.TryPeek(out string s) && s == "a");
Assert.IsTrue(string.Join("", q) == "abc");
}
public void TestEnqueueContains()
{
var q = new PunisherQueue <string>();
q.Enqueue("a");
q.Enqueue("b");
q.Enqueue("c");
Assert.IsTrue(q.Contains("a"));
Assert.IsTrue(q.Contains("b"));
Assert.IsTrue(q.Contains("c"));
Assert.IsTrue(string.Join("", q) == "abc");
}
public void TestConcurrency()
{
var q = new PunisherQueue <string>();
int n = 0;
_ = Task.Run(() =>
{
for (int i = 0; i < 10000; ++i)
{
q.Enqueue(Path.GetRandomFileName());
++n;
Thread.Yield();
}
});
for (int i = 0; i < 10000; ++i)
{
if (!q.TryDequeue(out _))
{
--i;
}
--n;
Thread.Yield();
}
if (n == 0)
{
Assert.Inconclusive();
}
Assert.IsTrue(q.Count() == 0);
}
public void TestGetItemKey()
{
var q = new PunisherQueue <string>(item =>
{
switch (item)
{
case "a":
case "x":
return("ax");
case "b":
case "y":
return("by");
case "c":
case "z":
return("cz");
default:
return(item);
}
});
q.Enqueue("a");
q.Enqueue("b");
q.Enqueue("c");
q.Enqueue("x");
q.Enqueue("z");
q.Enqueue("w");
Assert.IsTrue(string.Join("", q) == "bxzw");
}
public void TestClear()
{
var q = new PunisherQueue <string>();
q.Enqueue("a");
q.Enqueue("b");
q.Enqueue("c");
q.Clear();
q.Enqueue("x");
q.Enqueue("y");
q.Enqueue("z");
Assert.IsTrue(string.Join("", q) == "xyz");
}