86 lines
2.1 KiB
JavaScript
86 lines
2.1 KiB
JavaScript
goog.provide('ol.test.renderer.Layer');
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goog.require('ol.Image');
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goog.require('ol.layer.Layer');
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goog.require('ol.renderer.Layer');
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describe('ol.renderer.Layer', function() {
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var renderer;
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var eventType = 'change';
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beforeEach(function() {
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var layer = new ol.layer.Layer({});
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renderer = new ol.renderer.Layer(layer);
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});
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describe('#loadImage', function() {
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var image;
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var imageLoadFunction;
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beforeEach(function() {
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var extent = [];
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var resolution = 1;
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var pixelRatio = 1;
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var attributions = [];
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var src = '';
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var crossOrigin = '';
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imageLoadFunction = sinon.spy();
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image = new ol.Image(extent, resolution, pixelRatio, attributions,
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src, crossOrigin, imageLoadFunction);
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});
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describe('load IDLE image', function() {
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it('returns false', function() {
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var loaded = renderer.loadImage(image);
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expect(loaded).to.be(false);
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});
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it('registers a listener', function() {
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renderer.loadImage(image);
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var listeners = image.getListeners(eventType, false);
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expect(listeners).to.have.length(1);
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});
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});
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describe('load LOADED image', function() {
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it('returns true', function() {
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image.state = 2; // LOADED
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var loaded = renderer.loadImage(image);
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expect(loaded).to.be(true);
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});
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it('does not register a listener', function() {
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image.state = 2; // LOADED
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var loaded = renderer.loadImage(image);
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expect(loaded).to.be(true);
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});
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});
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describe('load LOADING image', function() {
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beforeEach(function() {
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renderer.loadImage(image);
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expect(image.getState()).to.be(1); // LOADING
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});
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it('returns false', function() {
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var loaded = renderer.loadImage(image);
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expect(loaded).to.be(false);
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});
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it('does not register a new listener', function() {
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renderer.loadImage(image);
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var listeners = image.getListeners(eventType, false);
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expect(listeners).to.have.length(1);
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});
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});
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});
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});
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