コード例 #1
0
        public void Dequeue_Testing()
        {
            void Test <T>(T[] values, Func <T, T, CompareResult> compare)
            {
                T[] clonedValues = (T[])values.Clone();
                Shuffle <T>(clonedValues);
                IHeap <T> heap = HeapArray.New <T>(compare);

                clonedValues.Stepper(x => heap.Enqueue(x));
                foreach (T value in values)
                {
                    T dequeue = heap.Dequeue();
                    Assert.IsTrue(value !.Equals(dequeue));
                }
            }

            {             // int compare
                int[] values = (..100).ToArray();
                Array.Sort(values, (a, b) => - a.CompareTo(b));
                Test(values, Compare);
            }
            {             // string compare
                string[] values = (..100).ToArray(i => i.ToString());
                Array.Sort(values, (a, b) => - a.CompareTo(b));
                Test(values, Compare);
            }
            {             // int reverse compare
                int[] values = (..100).ToArray();
                Array.Sort(values);
                Test(values, (a, b) => Compare(b, a));
            }
            {             // string reverse compare
                string[] values = (..100).ToArray(i => i.ToString());
                Array.Sort(values);
                Test(values, (a, b) => Compare(b, a));
            }
        }