Leaflet/spec/suites/layer/vector/PolygonSpec.js
2013-12-18 12:03:22 -05:00

97 lines
2.2 KiB
JavaScript

describe('Polygon', 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 polygon = new L.Polygon(sourceLatLngs);
expect(sourceLatLngs).to.eql(originalLatLngs);
expect(polygon._latlngs).to.not.eql(sourceLatLngs);
});
it("can be called with an empty array", function () {
var polygon = new L.Polygon([]);
expect(polygon.getLatLngs()).to.eql([]);
});
it("can be initialized with holes", function () {
var originalLatLngs = [
[ //external rink
[0, 10], [10, 10], [10, 0]
], [ //hole
[2, 3], [2, 4], [3, 4]
]
];
var polygon = new L.Polygon(originalLatLngs);
// getLatLngs() returns both rings
expect(polygon.getLatLngs()).to.eql([
[L.latLng([0, 10]), L.latLng([10, 10]), L.latLng([10, 0])],
[L.latLng([2, 3]), L.latLng([2, 4]), L.latLng([3, 4])]
]);
});
});
describe("#setLatLngs", function () {
it("doesn't overwrite the given latlng array", function () {
var originalLatLngs = [
[1, 2],
[3, 4]
];
var sourceLatLngs = originalLatLngs.slice();
var polygon = new L.Polygon(sourceLatLngs);
polygon.setLatLngs(sourceLatLngs);
expect(sourceLatLngs).to.eql(originalLatLngs);
});
it("can be set external ring and holes", function () {
var latLngs = [
[ //external rink
[0, 10], [10, 10], [10, 0]
], [ //hole
[2, 3], [2, 4], [3, 4]
]
];
var polygon = new L.Polygon([]);
polygon.setLatLngs(latLngs);
expect(polygon.getLatLngs()).to.eql([
[L.latLng([0, 10]), L.latLng([10, 10]), L.latLng([10, 0])],
[L.latLng([2, 3]), L.latLng([2, 4]), L.latLng([3, 4])]
]);
});
});
describe("#spliceLatLngs", function () {
it("splices the internal latLngs", function () {
var latLngs = [
[1, 2],
[3, 4],
[5, 6]
];
var polygon = new L.Polygon(latLngs);
polygon.spliceLatLngs(1, 1, [7, 8]);
expect(polygon._latlngs).to.eql([L.latLng([1, 2]), L.latLng([7, 8]), L.latLng([5, 6])]);
});
});
});