@Test
public void testAStar_distance_slantedRoad() {
MapGraph mapGraph = new MapGraph();
mapGraph.addRoad("Road 1", new Point2D.Double(0, 20), new Point2D.Double(100, 20), 35);
mapGraph.addRoad("Road 2", new Point2D.Double(20, 0), new Point2D.Double(20, 100), 35);
mapGraph.addRoad("Road 3", new Point2D.Double(0, 80), new Point2D.Double(100, 80), 35);
mapGraph.addRoad("Road 4", new Point2D.Double(80, 0), new Point2D.Double(80, 100), 35);
mapGraph.addRoad("Slanted road", new Point2D.Double(25, 15), new Point2D.Double(75, 85), 35);
GraphVisualizer gv = new GraphVisualizer(mapGraph);
LinkedList<Intersection> shortestPath1 =
mapGraph.shortestPath_distance(
mapGraph.getIntersectionByName("Road 1 + Road 2"),
mapGraph.getIntersectionByName("Road 1 + Slanted road"));
if (shortestPath1 == null) fail();
Iterator<Intersection> test = shortestPath1.iterator();
assertEquals("Road 1 + Road 2", test.next().toString());
assertEquals("Road 1 + Slanted road", test.next().toString());
assertFalse(test.hasNext());
LinkedList<Intersection> shortestPath2 =
mapGraph.shortestPath_distance(
mapGraph.getIntersectionByName("Road 1 + Road 2"),
mapGraph.getIntersectionByName("Road 3 + Road 4"));
if (shortestPath2 == null) fail();
test = shortestPath2.iterator();
assertEquals("Road 1 + Road 2", test.next().toString());
assertEquals("Road 1 + Slanted road", test.next().toString());
assertEquals("Road 3 + Slanted road", test.next().toString());
assertEquals("Road 3 + Road 4", test.next().toString());
assertFalse(test.hasNext());
}
@Test
public void testAStar_distance_tictac() {
MapGraph mapGraph = new MapGraph();
mapGraph.addRoad("Road 1", new Point2D.Double(0, 20), new Point2D.Double(100, 20), 35);
mapGraph.addRoad("Road 2", new Point2D.Double(20, 0), new Point2D.Double(20, 100), 35);
mapGraph.addRoad("Road 3", new Point2D.Double(0, 80), new Point2D.Double(100, 80), 35);
LinkedList<Intersection> shortestPath1 =
mapGraph.shortestPath_distance(
mapGraph.getIntersectionByName("Road 1 + Road 2"),
mapGraph.getIntersectionByName("Road 2 + Road 3"));
if (shortestPath1 == null) fail();
Iterator<Intersection> test = shortestPath1.iterator();
assertEquals("Road 1 + Road 2", test.next().toString());
assertEquals("Road 2 + Road 3", test.next().toString());
assertFalse(test.hasNext());
mapGraph.addRoad("Road 4", new Point2D.Double(80, 0), new Point2D.Double(80, 100), 35);
LinkedList<Intersection> shortestPath1b =
mapGraph.shortestPath_distance(
mapGraph.getIntersectionByName("Road 1 + Road 2"),
mapGraph.getIntersectionByName("Road 3 + Road 4"));
if (shortestPath1b == null) fail();
// System.out.println(shortestPath1b);
// test = shortestPath1b.iterator();
// assertEquals("Road 1 + Road 2",test.next().toString());
// assertEquals("Road 2 + Road 3",test.next().toString());
// assertFalse(test.hasNext());
}