public void Peek_N_TryPeek_Behaves_For_Empty_Heap(int capacity)
{
IHeap <int> instance = Substitute.ForPartsOf <AbstractBinaryHeap <int> >(capacity);
Assert.Throws <IndexOutOfRangeException>(() => instance.Peek());
Assert.False(instance.TryPeek(out _));
}
public T Peek()
{
using (EnterReadScope()) return(_internalHeap.Peek());
}
public KeyValuePair <TPriority, TValue> Peek()
{
return(heap.Peek());
}