public void testEmptyPath() {
List<GraphPath<Integer, DefaultEdge>> paths = new ArrayList<>();
paths.add(new GraphWalk<>(completeGraph, null, null, Collections.emptyList(), 0));
paths.add(new GraphWalk<>(completeGraph, Collections.emptyList(), 0));
for (GraphPath<Integer, DefaultEdge> path : paths) {
assertEquals(0, path.getLength());
assertEquals(Collections.emptyList(), path.getVertexList());
assertEquals(Collections.emptyList(), path.getEdgeList());
}
}
public void testNonSimplePath() {
List<Integer> vertexList = Arrays.asList(0, 1, 2, 3, 2, 3, 4);
List<DefaultEdge> edgeList = new ArrayList<>();
for (int i = 0; i < vertexList.size() - 1; i++)
edgeList.add(completeGraph.getEdge(vertexList.get(i), vertexList.get(i + 1)));
GraphPath<Integer, DefaultEdge> p1 = new GraphWalk<>(completeGraph, 0, 4, edgeList, 10);
assertEquals(0, p1.getStartVertex().intValue());
assertEquals(4, p1.getEndVertex().intValue());
assertEquals(vertexList, p1.getVertexList());
assertEquals(edgeList.size(), p1.getLength());
assertEquals(10.0, p1.getWeight());
GraphPath<Integer, DefaultEdge> p2 = new GraphWalk<>(completeGraph, vertexList, 10);
assertEquals(0, p2.getStartVertex().intValue());
assertEquals(4, p2.getEndVertex().intValue());
assertEquals(edgeList, p2.getEdgeList());
assertEquals(edgeList.size(), p2.getLength());
assertEquals(10.0, p2.getWeight());
}