assertEquals(0, copy.indexOf(list.get(0)));
    assertEquals(0, head.indexOf(list.get(0)));
    assertEquals(0, tail.indexOf(list.get(1)));
    // The following assumes all elements are distinct.
    assertEquals(size - 1, copy.indexOf(list.get(size - 1)));
    assertEquals(size - 2, head.indexOf(list.get(size - 2)));
    assertEquals(size - 2, tail.indexOf(list.get(size - 1)));

        @Override
        public E get(final int index) {
            return parent.get(index);
        }

        @Override
        public E set(final int index, final E element) {
            return parent.set(index, element);
        }

        @Override
        public void add(final int index, final E element) {
            parent.add(index, element);
        }

        @Override

Hervé Boutemy <******@****.***> 1629419163 +0200

Shinsuke Sugaya <******@****.***> 1737202147 +0900

Sebastián Ramírez <******@****.***> 1731170360 +0100

Sebastián Ramírez <******@****.***> 1722919710 -0500

Nils Lindemann <******@****.***> 1711829816 +0100

Sebastián Ramírez <******@****.***> 1735580804 +0000

Sebastián Ramírez <******@****.***> 1687618035 +0200

gyudoza <******@****.***> 1705952877 +0900