PortletPlacementContext ppc = new PortletPlacementContextImpl(requestContext.getPage(),portletRegistry);
ContentFragment a_oFrag = ppc
.getFragmentAtNewCoordinate(new CoordinateImpl(0, 0, 0, 0));
Coordinate a_oCoordinate = ppc.moveAbsolute(a_oFrag, new CoordinateImpl(
0, 0, 0, 1));
assertEquals(a_oCoordinate.getOldCol(), 0);
assertEquals(a_oCoordinate.getOldRow(), 0);
assertEquals(a_oCoordinate.getNewCol(), 0);