public void ClearTest()
{
var emptyQueue = ImmutableQueue.Create <GenericParameterHelper>();
AssertAreSame(emptyQueue, emptyQueue.Clear());
var nonEmptyQueue = emptyQueue.Enqueue(new GenericParameterHelper(3));
AssertAreSame(emptyQueue, nonEmptyQueue.Clear());
// Interface test
IImmutableQueue <GenericParameterHelper> queueInterface = nonEmptyQueue;
AssertAreSame(emptyQueue, queueInterface.Clear());
}
public void TestClear()
{
ImmutableTreeQueue <int> queue = ImmutableTreeQueue <int> .Empty;
Assert.Same(queue, queue.Clear());
foreach (int item in Enumerable.Range(0, 10))
{
queue = queue.Enqueue(item);
}
Assert.NotEmpty(queue);
Assert.Same(ImmutableTreeQueue <int> .Empty, queue.Clear());
// Test through the IImmutableQueue<T> interface
IImmutableQueue <int> immutableQueue = queue;
Assert.NotEmpty(immutableQueue);
Assert.Same(ImmutableTreeQueue <int> .Empty, immutableQueue.Clear());
}
public static IImmutableQueue <T> clear <T>(IImmutableQueue <T> queue) => queue.Clear();