describe('support for Circle elements', function () {

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

	// SETUP FOR EACH TEST

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

	var clock, div, map, group;



	beforeEach(function () {

		clock = sinon.useFakeTimers();



		div = document.createElement('div');

		div.style.width = '200px';

		div.style.height = '200px';

		document.body.appendChild(div);

	

		map = L.map(div, { maxZoom: 18, trackResize: false });

	

		// Corresponds to zoom level 8 for the above div dimensions.

		map.fitBounds(new L.LatLngBounds([

			[1, 1],

			[2, 2]

		]));

	});



	afterEach(function () {

		if (group instanceof L.MarkerClusterGroup) {

			group.clearLayers();

			map.removeLayer(group);

		}



		map.remove();

		div.remove()

		clock.restore();



		clock = div = map = group = null;

	});



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

	// TESTS

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

	it('appears when added to the group before the group is added to the map', function () {



		group = new L.MarkerClusterGroup();



		var marker = new L.Circle([1.5, 1.5], 200);



		group.addLayer(marker);

		map.addLayer(group);



		// Leaflet 1.0.0 now uses an intermediate L.Renderer.

		// marker > _path > _rootGroup (g) > _container (svg) > pane (div)

		expect(marker._path.parentNode).to.not.be(undefined);

		expect(marker._path.parentNode.parentNode.parentNode).to.be(map.getPane('overlayPane'));



		clock.tick(1000);

	});



	it('appears when added to the group after the group is added to the map', function () {



		group = new L.MarkerClusterGroup();



		var marker = new L.Circle([1.5, 1.5], 200);



		group.addLayer(marker);

		map.addLayer(group);



		expect(marker._path.parentNode).to.not.be(undefined);

		expect(marker._path.parentNode.parentNode.parentNode).to.be(map.getPane('overlayPane'));



		clock.tick(1000);

	});



	it('appears animated when added to the group after the group is added to the map', function () {



		group = new L.MarkerClusterGroup({ animateAddingMarkers: true });



		var marker = new L.Circle([1.5, 1.5], 200);

		var marker2 = new L.Circle([1.5, 1.5], 200);



		map.addLayer(group);

		group.addLayer(marker);

		group.addLayer(marker2);



		expect(marker._path.parentNode.parentNode.parentNode).to.be(map.getPane('overlayPane'));

		expect(marker2._path.parentNode.parentNode.parentNode).to.be(map.getPane('overlayPane'));



		clock.tick(1000);

	});



	it('creates a cluster when 2 overlapping markers are added before the group is added to the map', function () {



		group = new L.MarkerClusterGroup();



		var marker = new L.Circle([1.5, 1.5], 200);

		var marker2 = new L.Circle([1.5, 1.5], 200);



		group.addLayers([marker, marker2]);

		map.addLayer(group);



		expect(marker._path).to.be(undefined);

		expect(marker2._path).to.be(undefined);



		expect(map._panes.markerPane.childNodes.length).to.be(1);



		clock.tick(1000);

	});



	it('creates a cluster when 2 overlapping markers are added after the group is added to the map', function () {



		group = new L.MarkerClusterGroup();



		var marker = new L.Circle([1.5, 1.5], 200);

		var marker2 = new L.Circle([1.5, 1.5], 200);



		map.addLayer(group);

		group.addLayer(marker);

		group.addLayer(marker2);



		expect(marker._path.parentNode).to.be(null); //Removed then re-added, so null

		expect(marker2._path).to.be(undefined);



		expect(map._panes.markerPane.childNodes.length).to.be(1);



		clock.tick(1000);

	});



	it('disappears when removed from the group', function () {



		group = new L.MarkerClusterGroup();



		var marker = new L.Circle([1.5, 1.5], 200);



		group.addLayer(marker);

		map.addLayer(group);



		expect(marker._path.parentNode).to.not.be(undefined);

		expect(marker._path.parentNode.parentNode.parentNode).to.be(map.getPane('overlayPane'));



		group.removeLayer(marker);



		expect(marker._path.parentNode).to.be(null);



		clock.tick(1000);

	});

});