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([]); }); }); 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); }); }); 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])]); }); }); });