public void TestUpperAndLowerBound() { BList <int> blist = NewList(); blist.AddRange(new int[] { 0, 0, 10, 10, 20, 20, 25, 30, 30, 40, 40, 50, 50 }); int item = 25; Assert.AreEqual(blist.FindUpperBound(item), 1 + blist.FindLowerBound(item)); item = 10; Assert.That(blist.FindUpperBound(ref item) == 4 && item == 20); item = 0; Assert.That(blist.FindUpperBound(ref item) == 2 && item == 10); item = 999; Assert.That(blist.FindUpperBound(ref item) == blist.Count && item == 999); bool found; item = 5; Assert.That(blist.FindLowerBound(ref item, out found) == 2 && item == 10 && !found); item = 20; Assert.That(blist.FindLowerBound(ref item, out found) == 4 && item == 20 && found); item = 0; Assert.That(blist.FindLowerBound(ref item, out found) == 0 && item == 0 && found); item = 999; Assert.That(blist.FindLowerBound(ref item, out found) == blist.Count && item == 999 && !found); }
protected override int Add(BList <int> blist, int item, int preferredIndex) { int i = blist.FindLowerBound(item); blist.Add(item); return(i); }
public void TestStandardOperations() { List <int> list = new List <int>(); BList <int> blist = NewList(); // Ensure standard operations work for various list sizes int next = 0, item; for (int size = 5; size <= 125; size *= 5) { while (blist.Count < size) { AddToBoth(blist, list, next += 2, -1); Assert.AreEqual(list.Count, blist.Count); } ExpectList(blist, list, _r.Next(2) == 0); // Add one in the middle int at = blist.FindLowerBound(size); blist.Do(AListOperation.Add, size); list.Insert(at, size); // Remove in different ways item = _r.Next(size * 2); Assert.AreEqual(list.Remove(item), blist.Remove(item)); item = _r.Next(size * 2); Assert.AreEqual(list.Remove(item), blist.Do(AListOperation.Remove, item) == -1); // IndexOf/Contains item = _r.Next(size * 2); Assert.AreEqual(list.IndexOf(item), blist.IndexOf(item)); item = _r.Next(size * 2); Assert.AreEqual(list.Contains(item), blist.Contains(item)); ExpectList(blist, list, _r.Next(2) == 0); if (_testExceptions) { AssertThrows <KeyAlreadyExistsException>(() => blist.Do(AListOperation.AddOrThrow, blist.First)); } // Replace an item with itself (with ints, this command can never // do anything, but we'll try it in for completeness). Also, // try no-op AddOrReplace and AddIfNotPresent operations to verify // that they do nothing. Assert.AreEqual(0, blist.Do(AListOperation.ReplaceIfPresent, _r.Next(size))); Assert.AreEqual(0, blist.Do(AListOperation.AddOrReplace, blist.Last)); Assert.AreEqual(0, blist.Do(AListOperation.AddIfNotPresent, blist.First)); // Also do an AddOrReplace and AddIfNotPresent operation with an // item that does not already exist. blist.Do(AListOperation.AddOrReplace, next + 3); // end of the list blist.Do(AListOperation.AddIfNotPresent, next + 1); blist.Do(AListOperation.Add, next + 1); list.Add(next + 1); list.Add(next + 1); list.Add(next + 3); ExpectList(blist, list, _r.Next(2) == 0); Assert.AreEqual(2, blist.RemoveAll(next + 1)); Assert.IsTrue(list.Remove(next + 1)); Assert.IsTrue(list.Remove(next + 1)); } }