Tests and other minor improvements

This commit is contained in:
Yohan Simard 2020-05-15 18:09:36 +02:00
parent ba2f4fdf3d
commit db095f9ea9
4 changed files with 15 additions and 16 deletions

View file

@ -47,12 +47,11 @@ public class AStarAlgorithm extends DijkstraAlgorithm {
int dataMaxSpeed = data.getMaximumSpeed();
int graphMaxSpeed = data.getGraph().getGraphInformation().getMaximumSpeed();
if (dataMaxSpeed == NO_MAXIMUM_SPEED && graphMaxSpeed == NO_MAXIMUM_SPEED)
return 1000;
return (int) (130/3.6);
if (dataMaxSpeed != NO_MAXIMUM_SPEED && graphMaxSpeed != NO_MAXIMUM_SPEED)
return (int) (Math.min(dataMaxSpeed, graphMaxSpeed)/3.6);
if (dataMaxSpeed != NO_MAXIMUM_SPEED)
return (int) (dataMaxSpeed/3.6);
return (int) (graphMaxSpeed/3.6);
}
}

View file

@ -54,21 +54,22 @@ public class DijkstraAlgorithm extends ShortestPathAlgorithm {
heap.insert(labels.get(originId));
notifyOriginProcessed(origin);
// int iterationCounter = 0;
Node destination = data.getDestination();
Node currentNode = null;
double previousCost = 0;
while (!heap.isEmpty() && (currentNode == null || !currentNode.equals(destination))) {
// iterationCounter++;
// Get the node with the minimum cost
Label currentLabel = heap.deleteMin();
currentLabel.mark();
currentNode = currentLabel.getNode();
// System.out.printf("Label marked : cost = %f; %d succesors; heap valid = %b \n",
// currentLabel.getCost(),
// currentNode.getSuccessors().size(),
// ((BinaryHeap<Label>)heap).isValid());
/*
// Debug
assert(((BinaryHeap<Label>) heap).isValid());
assert(currentLabel.getTotalCost() >= previousCost);
previousCost = currentLabel.getCost();
*/
for (Arc arc : currentNode.getSuccessors()) {
Node dest = arc.getDestination();
@ -110,9 +111,6 @@ public class DijkstraAlgorithm extends ShortestPathAlgorithm {
currentLabel = labels.get(arc.getOrigin().getId());
}
// System.out.printf("Nombre d'arcs du plus court chemin : %d\n", path.size());
// System.out.printf("Nombre d'itérations : %d\n", iterationCounter);
Collections.reverse(path);
return new ShortestPathSolution(data, AbstractSolution.Status.OPTIMAL, new Path(data.getGraph(), path));

View file

@ -1,6 +1,5 @@
package org.insa.graphs.algorithm.shortestpath;
import junit.framework.TestCase;
public class AStarAlgorithmTest extends ShortestPathTest {
@Override

View file

@ -18,27 +18,27 @@ import java.util.List;
import static org.junit.Assert.*;
public abstract class ShortestPathTest {
String[] maps = {
private final String[] maps = {
"/home/yohan/Documents/etudes/be-graphes/maps/carre.mapgr",
"/home/yohan/Documents/etudes/be-graphes/maps/insa.mapgr",
"/home/yohan/Documents/etudes/be-graphes/maps/toulouse.mapgr",
"/home/yohan/Documents/etudes/be-graphes/maps/guadeloupe.mapgr",
};
int[] origIndexes = {
private final int[] origIndexes = {
22,
553,
25643,
6187,
};
int[] destIndexes = {
private final int[] destIndexes = {
15,
111,
17402,
15025,
};
ArcInspector[] arcInspectors = {
private final ArcInspector[] arcInspectors = {
ArcInspectorFactory.getAllFilters().get(0),
ArcInspectorFactory.getAllFilters().get(2),
};
@ -74,6 +74,7 @@ public abstract class ShortestPathTest {
// Check result against Bellman Ford algorithm (except for the square map or there may be several paths with the same cost)
if (i != 0)
assertEquals(sol.getPath(), oracle.getPath());
System.out.println();
}
}
@ -85,6 +86,7 @@ public abstract class ShortestPathTest {
assertTrue(sol.isFeasible());
assertTrue(sol.getPath().isValid());
assertEquals(sol.getPath().getLength(), 0, 1e-5);
System.out.println();
}
}
@ -93,6 +95,7 @@ public abstract class ShortestPathTest {
ShortestPathData data = createData(maps[3], arcInspector, origIndexes[3], destIndexes[3]);
ShortestPathSolution sol = runShortestPathAlgo(data);
assertFalse(sol.isFeasible());
System.out.println();
}
}
}