/** {@inheritDoc} */
protected <N, E> Graph<N, E> createFullGraph(final N nodeValue, final E edgeValue) {
Graph<N, E> graph = new GraphImpl<N, E>();
Node<N, E> node0 = graph.createNode(nodeValue);
Node<N, E> node1 = graph.createNode(nodeValue);
graph.createEdge(node0, node1, edgeValue);
return graph;
}
public void testCopyConstructor() {
Graph<String, Integer> emptyGraph = createEmptyGraph();
Graph<String, Integer> emptyCopy = new GraphImpl<String, Integer>(emptyGraph);
assertNotNull(emptyCopy);
assertTrue(emptyCopy.isEmpty());
Graph<String, Integer> fullGraph = createFullGraph("foo", Integer.valueOf(1));
Graph<String, Integer> fullCopy = new GraphImpl<String, Integer>(fullGraph);
assertNotNull(fullCopy);
assertFalse(fullCopy.isEmpty());
assertEquals(fullGraph.nodeCount(), fullCopy.nodeCount());
assertEquals(fullGraph.edgeCount(), fullCopy.edgeCount());
try {
Graph<String, Integer> graph = new GraphImpl<String, Integer>(null);
fail("ctr(null) expected IllegalArgumentException");
} catch (IllegalArgumentException e) {
// expected
}
}