public void testDirectedConnectIfNotFound(Graph<String, String> graph) {
graph.createNode("a");
graph.createNode("b");
graph.connectIfNotFound("a", "-", "b");
assertEquals(1, graph.getNodeDegree("a"));
graph.connectIfNotFound("a", "-", "b");
assertEquals(1, graph.getNodeDegree("a"));
graph.connectIfNotFound("a", null, "b");
assertEquals(2, graph.getNodeDegree("a"));
graph.connectIfNotFound("a", null, "b");
assertEquals(2, graph.getNodeDegree("a"));
}
public void testDirectedDegree(Graph<String, String> graph) {
graph.createNode("a");
graph.createNode("b");
graph.createNode("c");
graph.createNode("d");
assertEquals(0, graph.getNodeDegree("a"));
graph.connect("a", "-", "b");
assertEquals(1, graph.getNodeDegree("a"));
graph.connect("b", "-", "c");
assertEquals(1, graph.getNodeDegree("a"));
graph.connect("a", "-", "c");
assertEquals(2, graph.getNodeDegree("a"));
graph.connect("d", "-", "a");
assertEquals(3, graph.getNodeDegree("a"));
}
