question: test of addnode method , of class adjacencylistgraph . concode_field_sep AdjacencyListGraph graph concode_field_sep void testAddEdge concode_elem_sep void testContainsNode concode_elem_sep void testGetAdjacentNodes concode_elem_sep void setUp concode_elem_sep void testGetNode concode_elem_sep void testGetEdges concode_elem_sep void testGetNodes
target: void function ( ) { assertTrue ( graph . addNode ( "srini_string" ) ) ; assertTrue ( graph . addNode ( "srini_string" ) ) ; assertTrue ( graph . addNode ( "srini_string" ) ) ; }