protected void checkNumericContent( final Container cont2, final int num )
{
final NodeIterator nit = cont2.iterator();
for (int i = 0; i < num; i += 1)
{
Assert.assertEquals(i, ((Literal) nit.nextNode()).getInt());
}
Assert.assertFalse(nit.hasNext());
}
protected void retainOnlySpecified( final Container cont2, final int num,