@Test
public void testAddNode() {
graph.addNode('E'); // Duplicate
assertEquals(ORIGINAL_NUMBER_OF_NODES, graph.getNumberOfNodes());
graph.addNode('H');
assertEquals(ORIGINAL_NUMBER_OF_NODES + 1, graph.getNumberOfNodes());
assertEquals(ORIGINAL_NUMBER_OF_EDGES, graph.getNumberOfEdges());
assertEquals(ORIGINAL_EDGE_WEIGHT, graph.getTotalEdgeWeight());
}
@Before
public void setUp() {
graph.addNode('A');
graph.addNode('B');
graph.addNode('C');
graph.addNode('D');
graph.addNode('E');
graph.addNode('F');
graph.addNode('G');
graph.connectNodes('A', 'B', 2);
graph.connectNodes('A', 'C', 4);
graph.connectNodes('A', 'D', 1);
graph.connectNodes('B', 'D', 3);
graph.connectNodes('B', 'E', 10);
graph.connectNodes('C', 'D', 2);
graph.connectNodes('C', 'F', 5);
graph.connectNodes('D', 'E', 7);
graph.connectNodes('D', 'F', 8);
graph.connectNodes('D', 'G', 4);
graph.connectNodes('E', 'G', 6);
graph.connectNodes('F', 'G', 1);
}