/// <summary>
/// Retains only the elements in this list that are Contained in
/// the specified collection. In other words, Removes from this
/// list all the elements that are not Contained in the specified
/// collection.
/// </summary>
/// <param name="c">collection that defines which elements this Set will retain.</param>
/// <returns>return true if this list Changed as a result of the call.</returns>
public bool RetainAll(IntList c)
{
bool rval = false;
for (int j = 0; j < _limit;)
{
if (!c.Contains(_array[j]))
{
Remove(j);
rval = true;
}
else
{
j++;
}
}
return(rval);
}
/// <summary>
/// Retains only the elements in this list that are Contained in
/// the specified collection. In other words, Removes from this
/// list all the elements that are not Contained in the specified
/// collection.
/// </summary>
/// <param name="c">collection that defines which elements this Set will retain.</param>
/// <returns>return true if this list Changed as a result of the call.</returns>
public bool RetainAll(IntList c)
{
bool rval = false;
for (int j = 0; j < _limit; )
{
if (!c.Contains(_array[j]))
{
Remove(j);
rval = true;
}
else
{
j++;
}
}
return rval;
}
public void TestContains()
{
IntList list = new IntList();
for (int j = 0; j < 1000; j += 2)
{
list.Add(j);
}
for (int j = 0; j < 1000; j++)
{
if (j % 2 == 0)
{
Assert.IsTrue(list.Contains(j));
}
else
{
Assert.IsTrue(!list.Contains(j));
}
}
}