assertEquals(3, ria2.getPositionInPath()); LeftTupleNode[] rtn1PathNodes = rtn1.getPathNodes(); assertEquals( 4, rtn1PathNodes.length ); checkNodePosition(rtn1PathNodes, liaNode); checkNodePosition(rtn1PathNodes, rtn1); LeftTupleNode[] rtn2PathNodes = rtn2.getPathNodes(); assertEquals( 3, rtn2PathNodes.length ); checkNodePosition(rtn2PathNodes, liaNode);