public void Peek()
{
var queue = new Queue <string>();
try
{
queue.Peek();
Assert.Fail();
}
catch (InvalidOperationException) { }
queue = new Queue <string>(Globals.Strings);
var system = new S.Queue <string>(Globals.Strings);
while (queue.Count != 0)
{
Assert.IsTrue(queue.Peek() == system.Peek());
queue.Dequeue();
system.Dequeue();
Comparer <string> .Compare(queue, system);
}
Assert.IsTrue(queue.Count == system.Count && queue.Count == 0);
try
{
queue.Peek();
Assert.Fail();
}
catch (InvalidOperationException) { }
}
public void TryPeek()
{
var queue = new Queue <string>(Globals.Strings);
var system = new S.Queue <string>(Globals.Strings);
while (queue.TryPeek(out string first))
{
Assert.IsTrue(first == system.Peek());
queue.Dequeue();
system.Dequeue();
Comparer <string> .Compare(queue, system);
}
Comparer <string> .Compare(queue, system);
Assert.IsFalse(queue.TryPeek(out _));
}
