How to use

NodeBasedNodeContractorTest$Shortcut

in

com.graphhopper.routing.ch

/**
 * Queries the ch graph and checks if the graph's shortcuts match the given expected shortcuts.
 */
private void checkShortcuts(Shortcut... expectedShortcuts) {
  Set<Shortcut> expected = setOf(expectedShortcuts);
  if (expected.size() != expectedShortcuts.length) {
    fail("was given duplicate shortcuts");
  }
  AllCHEdgesIterator iter = lg.getAllEdges();
  Set<Shortcut> given = new HashSet<>();
  while (iter.next()) {
    if (iter.isShortcut()) {
      given.add(new Shortcut(
          iter.getBaseNode(), iter.getAdjNode(), iter.getWeight(), iter.getDistance(),
          iter.isForward(encoder), iter.isBackward(encoder),
          iter.getSkippedEdge1(), iter.getSkippedEdge2()));
    }
  }
  assertEquals(expected, given);
}

private Shortcut expectedShortcut(int baseNode, int adjNode, EdgeIteratorState edge1, EdgeIteratorState edge2,
                 boolean fwd, boolean bwd) {
  //todo: weight calculation might have to be adjusted for different encoders/weightings/reverse speed
  double weight = weighting.calcWeight(edge1, false, EdgeIterator.NO_EDGE) +
      weighting.calcWeight(edge2, false, EdgeIterator.NO_EDGE);
  double distance = edge1.getDistance() + edge2.getDistance();
  return new Shortcut(baseNode, adjNode, weight, distance, fwd, bwd, edge1.getEdge(), edge2.getEdge());
}