diff --git a/test/spec/ol/map.test.js b/test/spec/ol/map.test.js index f2cc852f38..a1b2a7926e 100644 --- a/test/spec/ol/map.test.js +++ b/test/spec/ol/map.test.js @@ -132,6 +132,68 @@ describe('ol.Map', function() { }); + describe('#forEachLayerAtPixel()', function() { + + var target, map, original, log; + + beforeEach(function(done) { + log = []; + original = ol.renderer.canvas.IntermediateCanvas.prototype.forEachLayerAtCoordinate; + ol.renderer.canvas.IntermediateCanvas.prototype.forEachLayerAtCoordinate = function(coordinate) { + log.push(coordinate.slice()); + }; + + target = document.createElement('div'); + var style = target.style; + style.position = 'absolute'; + style.left = '-1000px'; + style.top = '-1000px'; + style.width = '360px'; + style.height = '180px'; + document.body.appendChild(target); + + map = new ol.Map({ + target: target, + view: new ol.View({ + center: [0, 0], + zoom: 1 + }), + layers: [ + new ol.layer.Tile({ + source: new ol.source.XYZ() + }), + new ol.layer.Tile({ + source: new ol.source.XYZ() + }), + new ol.layer.Tile({ + source: new ol.source.XYZ() + }) + ] + }); + + map.once('postrender', function() { + done(); + }); + }); + + afterEach(function() { + ol.renderer.canvas.IntermediateCanvas.prototype.forEachLayerAtCoordinate = original; + map.dispose(); + document.body.removeChild(target); + log = null; + }); + + it('calls each layer renderer with the same coordinate', function() { + var pixel = [10, 20]; + map.forEachLayerAtPixel(pixel, function() {}); + expect(log.length).to.equal(3); + expect(log[0].length).to.equal(2); + expect(log[0]).to.eql(log[1]); + expect(log[1]).to.eql(log[2]); + }); + + }); + describe('#render()', function() { var target, map;