describe('onAdd', function () {

	/////////////////////////////

	// SETUP FOR EACH TEST

	/////////////////////////////

	var map, div;



	beforeEach(function () {

		div = document.createElement('div');

		div.style.width = '200px';

		div.style.height = '200px';

		document.body.appendChild(div);



		map = L.map(div, { trackResize: false });



		map.fitBounds(new L.LatLngBounds([

			[1, 1],

			[2, 2]

		]));

	});



	afterEach(function () {

		map.remove();

		document.body.removeChild(div);



		map = div = null;

	});



	/////////////////////////////

	// TESTS

	/////////////////////////////

	it('throws an error if maxZoom is not specified', function () {



		var group = new L.MarkerClusterGroup();

		var marker = new L.Marker([1.5, 1.5]);



		group.addLayer(marker);



		var ex = null;

		try {

			map.addLayer(group);

		} catch (e) {

			ex = e;

		}



		expect(ex).to.not.be(null);

	});



	it('successfully handles removing and re-adding a layer while not on the map', function () {

		map.options.maxZoom = 18;

		var group = new L.MarkerClusterGroup();

		var marker = new L.Marker([1.5, 1.5]);



		map.addLayer(group);

		group.addLayer(marker);



		map.removeLayer(group);

		group.removeLayer(marker);

		group.addLayer(marker);



		map.addLayer(group);



		expect(map.hasLayer(group)).to.be(true);

		expect(group.hasLayer(marker)).to.be(true);

	});

});