describe('ImageOverlay', function () { describe('#setStyle', function () { it('sets opacity', function () { var overlay = L.imageOverlay().setStyle({opacity: 0.5}); expect(overlay.options.opacity).to.equal(0.5); }); }); describe('#setBounds', function () { it('sets bounds', function () { var bounds = new L.LatLngBounds( new L.LatLng(14, 12), new L.LatLng(30, 40)); var overlay = L.imageOverlay().setBounds(bounds); expect(overlay._bounds).to.equal(bounds); }); }); });