1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | 1 1 1 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 | describe('TileLayer', function () { var tileUrl = ''; describe("#getMaxZoom, #getMinZoom", function () { var map; beforeEach(function () { map = L.map(document.createElement('div')); }); describe("when a tilelayer is added to a map with no other layers", function () { it("has the same zoomlevels as the tilelayer", function () { var maxZoom = 10, minZoom = 5; map.setView([0, 0], 1); L.tileLayer(tileUrl, { maxZoom: maxZoom, minZoom: minZoom }).addTo(map); expect(map.getMaxZoom()).to.be(maxZoom); expect(map.getMinZoom()).to.be(minZoom); }); }); describe("accessing a tilelayer's properties", function () { it('provides a container', function () { map.setView([0, 0], 1); var layer = L.tileLayer(tileUrl).addTo(map); expect(layer.getContainer()).to.be.ok(); }); }); describe("when a tilelayer is added to a map that already has a tilelayer", function () { it("has its zoomlevels updated to fit the new layer", function () { map.setView([0, 0], 1); L.tileLayer(tileUrl, { minZoom:10, maxZoom: 15 }).addTo(map); expect(map.getMinZoom()).to.be(10); expect(map.getMaxZoom()).to.be(15); L.tileLayer(tileUrl, { minZoom:5, maxZoom: 10 }).addTo(map); expect(map.getMinZoom()).to.be(5); // changed expect(map.getMaxZoom()).to.be(15); // unchanged L.tileLayer(tileUrl,{ minZoom:10, maxZoom: 20 }).addTo(map); expect(map.getMinZoom()).to.be(5); // unchanged expect(map.getMaxZoom()).to.be(20); // changed L.tileLayer(tileUrl, { minZoom:0, maxZoom: 25 }).addTo(map); expect(map.getMinZoom()).to.be(0); // changed expect(map.getMaxZoom()).to.be(25); // changed }); }); describe("when a tilelayer is removed from a map", function () { it("has its zoomlevels updated to only fit the layers it currently has", function () { var tiles = [ L.tileLayer(tileUrl, { minZoom:10, maxZoom: 15 }).addTo(map), L.tileLayer(tileUrl, { minZoom:5, maxZoom: 10 }).addTo(map), L.tileLayer(tileUrl, { minZoom:10, maxZoom: 20 }).addTo(map), L.tileLayer(tileUrl, { minZoom:0, maxZoom: 25 }).addTo(map) ]; map.whenReady(function() { expect(map.getMinZoom()).to.be(0); expect(map.getMaxZoom()).to.be(25); map.removeLayer(tiles[0]); expect(map.getMinZoom()).to.be(0); expect(map.getMaxZoom()).to.be(25); map.removeLayer(tiles[3]); expect(map.getMinZoom()).to.be(5); expect(map.getMaxZoom()).to.be(20); map.removeLayer(tiles[2]); expect(map.getMinZoom()).to.be(5); expect(map.getMaxZoom()).to.be(10); map.removeLayer(tiles[1]); expect(map.getMinZoom()).to.be(0); expect(map.getMaxZoom()).to.be(Infinity); }); }); }); }); }); |