public void TestEmptyListOperations()
{
VList <int> a = new VList <int>();
VList <int> b = new VList <int>();
a.AddRange(b);
a.InsertRange(0, b);
a.RemoveRange(0, 0);
Assert.That(!a.Remove(0));
Assert.That(a.IsEmpty);
a.Add(1);
b.AddRange(a);
ExpectList(b, 1);
b.RemoveAt(0);
Assert.That(b.IsEmpty);
b.InsertRange(0, a);
ExpectList(b, 1);
b.RemoveRange(0, 1);
Assert.That(b.IsEmpty);
b.Insert(0, a[0]);
ExpectList(b, 1);
b.Remove(a.Last);
Assert.That(b.IsEmpty);
AssertThrows <InvalidOperationException>(delegate() { a.NextIn(b); });
}
public void TestInsertRemove()
{
VList <int> list = new VList <int>(9);
VList <int> list2 = new VList <int>(10, 11);
list.Insert(0, 12);
list.Insert(1, list2[1]);
list.Insert(2, list2[0]);
ExpectList(list, 12, 11, 10, 9);
for (int i = 0; i < 9; i++)
{
list.Insert(4, i);
}
ExpectList(list, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0);
list2 = list;
for (int i = 1; i <= 6; i++)
{
list2.RemoveAt(i);
}
ExpectList(list2, 12, 10, 8, 6, 4, 2, 0);
ExpectList(list, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0); // unchanged
Assert.AreEqual(0, list2.Pop());
list2.Insert(5, -2);
ExpectList(list2, 12, 10, 8, 6, 4, -2, 2);
list2.Insert(5, -1);
ExpectList(list2, 12, 10, 8, 6, 4, -1, -2, 2);
// Test changing items
list = list2;
for (int i = 0; i < list.Count; i++)
{
list[i] = i;
}
ExpectList(list, 0, 1, 2, 3, 4, 5, 6, 7);
ExpectList(list2, 12, 10, 8, 6, 4, -1, -2, 2);
list2.Clear();
ExpectList(list2);
Assert.AreEqual(5, list[5]);
}