Leaflet/spec/suites/layer/vector/PolylineGeometrySpec.js
Andrey Rublev 263a5b9b5f Add method Polyline.closestLayerPoint
Also fix method L.LineUtil.simplify for empty geometry
2011-07-20 13:23:04 +07:00

36 lines
1.2 KiB
JavaScript

describe('PolylineGeometry', function() {
var c = document.createElement('div');
c.style.width = '400px';
c.style.height = '400px';
var map = new L.Map(c);
map.setView(new L.LatLng(55.8, 37.6), 6);
describe("#distanceTo", function() {
it("should calculate correct distances to points", function() {
var p1 = map.latLngToLayerPoint(new L.LatLng(55.8, 37.6));
var p2 = map.latLngToLayerPoint(new L.LatLng(57.123076977278, 44.861962891635));
var latlngs = [[56.485503424111, 35.545556640339], [55.972522915346, 36.116845702918], [55.502459116923, 34.930322265253], [55.31534617509, 38.973291015816]]
.map(function(ll) {
return new L.LatLng(ll[0], ll[1]);
});
var polyline = new L.Polyline([], {
'noClip': true
});
map.addLayer(polyline);
expect(polyline.closestLayerPoint(p1)).toEqual(null);
polyline.setLatLngs(latlngs);
var point = polyline.closestLayerPoint(p1);
expect(point).not.toEqual(null);
expect(point.distance).not.toEqual(Infinity);
expect(point.distance).not.toEqual(NaN);
var point2 = polyline.closestLayerPoint(p2);
expect(point.distance).toBeLessThan(point2.distance);
});
});
});