Leaflet/spec/suites/layer/vector/PolylineSpec.js
2015-03-04 18:14:51 +01:00

137 lines
3.4 KiB
JavaScript

describe('Polyline', 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("#initialize", function () {
it("doesn't overwrite the given latlng array", function () {
var originalLatLngs = [
[1, 2],
[3, 4]
];
var sourceLatLngs = originalLatLngs.slice();
var polyline = new L.Polyline(sourceLatLngs);
expect(sourceLatLngs).to.eql(originalLatLngs);
expect(polyline._latlngs).to.not.eql(sourceLatLngs);
});
});
describe("#setLatLngs", function () {
it("doesn't overwrite the given latlng array", function () {
var originalLatLngs = [
[1, 2],
[3, 4]
];
var sourceLatLngs = originalLatLngs.slice();
var polyline = new L.Polyline(sourceLatLngs);
polyline.setLatLngs(sourceLatLngs);
expect(sourceLatLngs).to.eql(originalLatLngs);
});
});
describe("#spliceLatLngs", function () {
it("splices the internal latLngs", function () {
var latLngs = [
[1, 2],
[3, 4],
[5, 6]
];
var polyline = new L.Polyline(latLngs);
var removed = polyline.spliceLatLngs(1, 1, [7, 8]);
expect(polyline._latlngs).to.eql([L.latLng([1, 2]), L.latLng([7, 8]), L.latLng([5, 6])]);
expect(removed).to.eql([L.latLng([3, 4])]);
});
it("splices first latLngs of a multi by default", function () {
var latLngs = [
[[1, 2], [3, 4], [5, 6]],
[[11, 12], [13, 14], [15, 16]]
];
var polyline = new L.Polyline(latLngs);
polyline.spliceLatLngs(1, 1, [7, 8]);
expect(polyline._latlngs[0]).to.eql([L.latLng([1, 2]), L.latLng([7, 8]), L.latLng([5, 6])]);
expect(polyline._latlngs[1]).to.eql([L.latLng([11, 12]), L.latLng([13, 14]), L.latLng([15, 16])]);
});
it("splices latLngs of a multi by reference", function () {
var latLngs = [
[[11, 12], [13, 14], [15, 16]],
[[1, 2], [3, 4], [5, 6]]
];
var polyline = new L.Polyline(latLngs);
polyline.spliceLatLngs(1, 1, [7, 8], polyline._latlngs[1]);
expect(polyline._latlngs[1]).to.eql([L.latLng([1, 2]), L.latLng([7, 8]), L.latLng([5, 6])]);
});
});
describe("#addLatLng", function () {
it("should add latlng to latlngs", function () {
var latLngs = [
[1, 2],
[3, 4]
];
var polyline = new L.Polyline(latLngs);
polyline.addLatLng([5, 6]);
expect(polyline._latlngs).to.eql([L.latLng([1, 2]), L.latLng([3, 4]), L.latLng([5, 6])]);
});
it("should add latlng to first latlngs on a multi", function () {
var latLngs = [
[[1, 2], [3, 4]],
[[11, 12], [13, 14]]
];
var polyline = new L.Polyline(latLngs);
polyline.addLatLng([5, 6]);
expect(polyline._latlngs[0]).to.eql([L.latLng([1, 2]), L.latLng([3, 4]), L.latLng([5, 6])]);
expect(polyline._latlngs[1]).to.eql([L.latLng([11, 12]), L.latLng([13, 14])]);
});
it("should add latlng to latlngs by reference", function () {
var latLngs = [
[[11, 12], [13, 14]],
[[1, 2], [3, 4]]
];
var polyline = new L.Polyline(latLngs);
polyline.addLatLng([5, 6], polyline._latlngs[1]);
expect(polyline._latlngs[1]).to.eql([L.latLng([1, 2]), L.latLng([3, 4]), L.latLng([5, 6])]);
expect(polyline._latlngs[0]).to.eql([L.latLng([11, 12]), L.latLng([13, 14])]);
});
it("should add latlng on empty polyline", function () {
var polyline = new L.Polyline([]);
polyline.addLatLng([1, 2]);
expect(polyline._latlngs).to.eql([L.latLng([1, 2])]);
});
});
});