### Question:
PrimitiveLongArrayQueue { public boolean isEmpty() { return head == tail; } PrimitiveLongArrayQueue();   PrimitiveLongArrayQueue( int capacity ); boolean isEmpty(); void clear(); int size(); LongIterator longIterator(); long dequeue(); void enqueue( long value ); void addAll( PrimitiveLongArrayQueue otherQueue );  }### Answer:
@Test void newQueueIsEmpty() { assertTrue( createQueue().isEmpty() ); }