       expect(provider.get_level_by_extent(T.MERCATOR_BOUNDS, 1024, 1024)).to.be.equal(2)
 
     it "should get closest zoom level based on extent and height/width", ->
-      expect(provider.get_closest_level_by_extent(T.MERCATOR_BOUNDS, 256, 256)).to.be.equal 0
-      expect(provider.get_closest_level_by_extent(T.MERCATOR_BOUNDS, 513, 512)).to.be.equal 1
-      expect(provider.get_closest_level_by_extent(T.MERCATOR_BOUNDS, 1024, 1024)).to.be.equal 2
+      expect(provider.get_closest_level_by_extent(T.MERCATOR_BOUNDS, 256, 256)).to.be.equal(0)
+      expect(provider.get_closest_level_by_extent(T.MERCATOR_BOUNDS, 513, 512)).to.be.equal(1)
+      expect(provider.get_closest_level_by_extent(T.MERCATOR_BOUNDS, 1024, 1024)).to.be.equal(2)
 
     it "should convert pixel x/y to tile x/y", ->
-      expect(provider.pixels_to_tile(1, 1)).to.be.eql [0,0]
-      expect(provider.pixels_to_tile(0, 0)).to.be.eql [0,0]
+      expect(provider.pixels_to_tile(1, 1)).to.be.eql([0,0])
+      expect(provider.pixels_to_tile(0, 0)).to.be.eql([0,0])
 
     it "should convert pixel x/y to meters x/y", ->
-      expect(provider.pixels_to_meters(0, 0, 0)).to.be.eql [-20037508.342789244, -20037508.342789244]
+      expect(provider.pixels_to_meters(0, 0, 0)).to.be.eql([-20037508.342789244, -20037508.342789244])
 
     it "should get tile bounds in meters", ->
       bounds = provider.get_tile_meter_bounds(511, 1202, 11)

  T = new TileExpects()
  tol = 0.01

  describe "Grid Layer", ->
    url = 'http://c.tiles.mapbox.com/v3/examples.map-szwdot65/{Z}/{X}/{Y}.png'
    provider = new Geo.TileProvider(url, 256)


      expect(provider.tile_xyz_to_quadkey(20, 30, 10)).to.be.equal('0000032320')

    it "should convert quadkey to tile xyz", ->
      expect(provider.quadkey_to_tile_xyz('')).to.be.eql([0, 0, 0])
      expect(provider.quadkey_to_tile_xyz('0')).to.be.eql([0, 0, 1])
      expect(provider.quadkey_to_tile_xyz('00')).to.be.eql([0, 0, 2])
      expect(provider.quadkey_to_tile_xyz('0000032320')).to.be.eql([20, 30, 10])

  describe "MERCATOR tile provider", ->

