public void DoubleList_RemoveAt()
{
var list = new DoubleList();
V v;
v = new V(0);
list.AddToFront(v);
list.RemoveAt(0);
Assert.AreEqual(0, list.Count);
list.AddToEnd(v);
Assert.AreEqual(1, list.Count);
list.Clear();
list.AddToFront(new V(2));
list.AddToFront(new V(1));
list.AddToFront(new V(0));
Assert.AreEqual(3, list.Count);
Assert.AreEqual(0, ((V)list[0]).Value);
Assert.AreEqual(1, ((V)list[1]).Value);
Assert.AreEqual(2, ((V)list[2]).Value);
list.RemoveAt(1);
Assert.AreEqual(2, list.Count);
Assert.AreEqual(0, ((V)list[0]).Value);
Assert.AreEqual(2, ((V)list[1]).Value);
}
public void DoubleList_RemoveFromEnd()
{
var list = new DoubleList();
list.AddToFront(new V(0));
list.Remove(list[0]);
Assert.AreEqual(0, list.Count);
list.AddToFront(new V(2));
list.AddToFront(new V(1));
list.AddToFront(new V(0));
Assert.AreEqual(3, list.Count);
Assert.AreEqual(0, ((V)list[0]).Value);
Assert.AreEqual(1, ((V)list[1]).Value);
Assert.AreEqual(2, ((V)list[2]).Value);
list.Remove(list[2]);
Assert.AreEqual(2, list.Count);
Assert.AreEqual(0, ((V)list[0]).Value);
Assert.AreEqual(1, ((V)list[1]).Value);
list.Remove(list[1]);
Assert.AreEqual(1, list.Count);
Assert.AreEqual(0, ((V)list[0]).Value);
list.Remove(list[0]);
Assert.AreEqual(0, list.Count);
}
public void DoubleList_Clear()
{
var list = new DoubleList();
list.AddToFront(new V(2));
list.AddToFront(new V(1));
list.AddToFront(new V(0));
list.Clear();
Assert.AreEqual(0, list.Count);
}
public void DoubleList_EnumerateWithModify()
{
var list = new DoubleList();
list.AddToEnd(new V(0));
list.AddToEnd(new V(1));
list.AddToEnd(new V(2));
try
{
foreach (V v in list)
{
v.Value = 10;
list.AddToEnd(new V(100));
}
Assert.Fail();
}
catch (InvalidOperationException)
{
}
catch
{
Assert.Fail();
}
try
{
foreach (V v in list)
{
v.Value = 10;
list.AddToFront(new V(100));
}
Assert.Fail();
}
catch (InvalidOperationException)
{
}
catch
{
Assert.Fail();
}
try
{
foreach (V v in list)
{
v.Value = 10;
list.RemoveAt(0);
}
Assert.Fail();
}
catch (InvalidOperationException)
{
}
catch
{
Assert.Fail();
}
try
{
foreach (V v in list)
{
v.Value = 10;
list.Clear();
}
Assert.Fail();
}
catch (InvalidOperationException)
{
}
catch
{
Assert.Fail();
}
}
