C5UnitTests.heaps.IntervalHeapTests.Enumerate C# (CSharp) Method

        public void Enumerate()
        {
            int[] a = new int[4];
            int siz = 0;
            foreach (int i in queue)
                siz++;
            Assert.AreEqual(0, siz);

            queue.Add(8); queue.Add(18); queue.Add(8); queue.Add(3);

            foreach (int i in queue)
                a[siz++] = i;
            Assert.AreEqual(4, siz);
            Array.Sort(a, 0, siz);
            Assert.AreEqual(3, a[0]);
            Assert.AreEqual(8, a[1]);
            Assert.AreEqual(8, a[2]);
            Assert.AreEqual(18, a[3]);

            siz = 0;
            Assert.AreEqual(18, queue.DeleteMax());
            foreach (int i in queue)
                a[siz++] = i;
            Assert.AreEqual(3, siz);
            Array.Sort(a, 0, siz);
            Assert.AreEqual(3, a[0]);
            Assert.AreEqual(8, a[1]);
            Assert.AreEqual(8, a[2]);

            siz = 0;
            Assert.AreEqual(8, queue.DeleteMax());
            foreach (int i in queue)
                a[siz++] = i;
            Assert.AreEqual(2, siz);
            Array.Sort(a, 0, siz);
            Assert.AreEqual(3, a[0]);
            Assert.AreEqual(8, a[1]);

            siz = 0;
            Assert.AreEqual(8, queue.DeleteMax());
            foreach (int i in queue)
                a[siz++] = i;
            Assert.AreEqual(1, siz);
            Assert.AreEqual(3, a[0]);
        }