@Test
public void testBasicFeatures() {
assertTrue(graph.contains('A'));
assertTrue(graph.contains('E'));
assertTrue(graph.contains('G'));
assertFalse(graph.contains('H'));
assertFalse(graph.contains('Q'));
assertFalse(graph.contains('Ä'));
assertTrue(graph.edgeExistsBetween('A', 'B'));
assertTrue(graph.edgeExistsBetween('D', 'G'));
assertTrue(graph.edgeExistsBetween('G', 'E'));
assertTrue(graph.edgeExistsBetween('D', 'C'));
assertFalse(graph.edgeExistsBetween('A', 'G'));
assertFalse(graph.edgeExistsBetween('E', 'C'));
assertFalse(graph.edgeExistsBetween('D', 'H'));
assertFalse(graph.edgeExistsBetween('I', 'F'));
assertEquals(ORIGINAL_NUMBER_OF_NODES, graph.getNumberOfNodes());
assertEquals(ORIGINAL_NUMBER_OF_EDGES, graph.getNumberOfEdges());
assertEquals(ORIGINAL_EDGE_WEIGHT, graph.getTotalEdgeWeight());
}
