Organize tests
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289
test/browser/spec/ol/style/icon.test.js
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289
test/browser/spec/ol/style/icon.test.js
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import Icon from '../../../../../src/ol/style/Icon.js';
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import IconImage, {
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get as getIconImage,
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} from '../../../../../src/ol/style/IconImage.js';
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import {getUid} from '../../../../../src/ol/util.js';
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import {shared as iconImageCache} from '../../../../../src/ol/style/IconImageCache.js';
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describe('ol.style.Icon', function () {
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const size = [36, 48];
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const src =
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'data:image/gif;base64,' +
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'R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=';
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describe('constructor', function () {
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it('caches canvas images with a uid as src', function () {
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const canvas = document.createElement('canvas');
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new Icon({
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img: canvas,
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imgSize: size,
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});
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expect(getIconImage(canvas, getUid(canvas), size, '').getImage()).to.eql(
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canvas
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);
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});
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it('imgSize overrides img.width and img.height', function (done) {
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const style = new Icon({
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src: src,
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imgSize: size,
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});
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const iconImage = style.iconImage_;
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iconImage.addEventListener('change', function () {
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expect([iconImage.image_.width, iconImage.image_.height]).to.eql(size);
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done();
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});
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style.load();
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});
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});
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describe('#clone', function () {
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it('creates a new ol.style.Icon', function () {
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const original = new Icon({
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src: src,
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});
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const clone = original.clone();
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expect(clone).to.be.an(Icon);
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expect(clone).to.not.be(original);
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});
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it('copies all values ', function () {
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const canvas = document.createElement('canvas');
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const original = new Icon({
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anchor: [1, 0],
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anchorOrigin: 'bottom-right',
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anchorXUnits: 'pixels',
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anchorYUnits: 'pixels',
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color: '#319FD3',
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crossOrigin: 'Anonymous',
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img: canvas,
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imgSize: size,
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offset: [1, 2],
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offsetOrigin: 'bottom-left',
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opacity: 0.5,
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scale: 2,
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rotation: 4,
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size: [10, 12],
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});
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const clone = original.clone();
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expect(original.getImage(1)).to.be(clone.getImage(1));
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expect(original.iconImage_).to.be(clone.iconImage_);
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expect(original.getAnchor()).to.eql(clone.getAnchor());
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expect(original.anchorOrigin_).to.eql(clone.anchorOrigin_);
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expect(original.anchorXUnits_).to.eql(clone.anchorXUnits_);
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expect(original.anchorYUnits_).to.eql(clone.anchorYUnits_);
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expect(original.crossOrigin_).to.eql(clone.crossOrigin_);
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expect(original.getColor()).to.eql(clone.getColor());
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expect(original.offset_).to.eql(clone.offset_);
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expect(original.offsetOrigin_).to.eql(clone.offsetOrigin_);
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expect(original.getSize()).to.eql(clone.getSize());
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expect(original.getSrc()).to.eql(clone.getSrc());
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expect(original.getOpacity()).to.eql(clone.getOpacity());
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expect(original.getRotation()).to.eql(clone.getRotation());
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expect(original.getRotateWithView()).to.eql(clone.getRotateWithView());
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const original2 = new Icon({
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src: src,
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});
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const clone2 = original2.clone();
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expect(original2.getImage(1)).to.be(clone2.getImage(1));
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expect(original2.iconImage_).to.be(clone2.iconImage_);
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expect(original2.getSrc()).to.eql(clone2.getSrc());
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});
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it('the clone does not reference the same objects as the original', function () {
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const original = new Icon({
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anchor: [1, 0],
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color: [1, 2, 3, 0.4],
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src: src,
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offset: [1, 2],
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size: [10, 12],
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displacement: [5, 6],
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});
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const clone = original.clone();
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expect(original.getAnchor()).not.to.be(clone.getAnchor());
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expect(original.offset_).not.to.be(clone.offset_);
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expect(original.getColor()).not.to.be(clone.getColor());
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expect(original.getSize()).not.to.be(clone.getSize());
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expect(original.getDisplacement()).not.to.be(clone.getDisplacement());
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clone.anchor_[0] = 0;
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clone.offset_[0] = 0;
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clone.color_[0] = 0;
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clone.size_[0] = 5;
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clone.displacement_[0] = 10;
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expect(original.anchor_).not.to.eql(clone.anchor_);
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expect(original.offset_).not.to.eql(clone.offset_);
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expect(original.color_).not.to.eql(clone.color_);
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expect(original.size_).not.to.eql(clone.size_);
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expect(original.displacement_).not.to.eql(clone.displacement_);
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});
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});
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describe('#getAnchor', function () {
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const fractionAnchor = [0.25, 0.25];
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it('uses fractional units by default', function () {
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const iconStyle = new Icon({
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src: 'test.png',
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size: size,
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anchor: fractionAnchor,
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});
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expect(iconStyle.getAnchor()).to.eql([9, 12]);
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});
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it('uses pixels units', function () {
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const iconStyle = new Icon({
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src: 'test.png',
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size: size,
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anchor: [2, 18],
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anchorXUnits: 'pixels',
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anchorYUnits: 'pixels',
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});
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expect(iconStyle.getAnchor()).to.eql([2, 18]);
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});
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it('uses a bottom left anchor origin', function () {
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const iconStyle = new Icon({
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src: 'test.png',
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size: size,
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anchor: fractionAnchor,
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anchorOrigin: 'bottom-left',
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});
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expect(iconStyle.getAnchor()).to.eql([9, 36]);
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});
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it('uses a bottom right anchor origin', function () {
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const iconStyle = new Icon({
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src: 'test.png',
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size: size,
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anchor: fractionAnchor,
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anchorOrigin: 'bottom-right',
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});
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expect(iconStyle.getAnchor()).to.eql([27, 36]);
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});
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it('uses a top right anchor origin', function () {
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const iconStyle = new Icon({
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src: 'test.png',
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size: size,
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anchor: fractionAnchor,
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anchorOrigin: 'top-right',
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});
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expect(iconStyle.getAnchor()).to.eql([27, 12]);
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});
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it('uses a top right anchor origin + displacement', function () {
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const iconStyle = new Icon({
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src: 'test.png',
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size: size,
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anchor: fractionAnchor,
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anchorOrigin: 'top-right',
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displacement: [20, 10],
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});
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expect(iconStyle.getAnchor()).to.eql([
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size[0] * (1 - fractionAnchor[0]) - 20,
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size[1] * fractionAnchor[1] + 10,
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]);
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});
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it('uses displacement', function () {
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const iconStyle = new Icon({
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src: 'test.png',
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size: size,
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displacement: [20, 10],
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});
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expect(iconStyle.getAnchor()).to.eql([
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size[0] / 2 - 20,
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size[1] / 2 + 10,
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]);
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});
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});
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describe('#setAnchor', function () {
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it('resets the cached anchor', function () {
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const iconStyle = new Icon({
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src: 'test.png',
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size: size,
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anchor: [0.25, 0.25],
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});
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expect(iconStyle.getAnchor()).to.eql([9, 12]);
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iconStyle.setAnchor([0.5, 0.5]);
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expect(iconStyle.getAnchor()).to.eql([18, 24]);
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});
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});
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describe('#getOrigin', function () {
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const offset = [16, 20];
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const imageSize = [144, 192];
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it('uses a top left offset origin (default)', function () {
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const iconStyle = new Icon({
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src: 'test.png',
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size: size,
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offset: offset,
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});
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expect(iconStyle.getOrigin()).to.eql([16, 20]);
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});
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it('uses a bottom left offset origin', function () {
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const iconStyle = new Icon({
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src: 'test.png',
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size: size,
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offset: offset,
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offsetOrigin: 'bottom-left',
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});
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iconStyle.iconImage_.size_ = imageSize;
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expect(iconStyle.getOrigin()).to.eql([16, 124]);
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});
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it('uses a bottom right offset origin', function () {
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const iconStyle = new Icon({
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src: 'test.png',
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size: size,
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offset: offset,
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offsetOrigin: 'bottom-right',
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});
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iconStyle.iconImage_.size_ = imageSize;
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expect(iconStyle.getOrigin()).to.eql([92, 124]);
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});
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it('uses a top right offset origin', function () {
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const iconStyle = new Icon({
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src: 'test.png',
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size: size,
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offset: offset,
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offsetOrigin: 'top-right',
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});
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iconStyle.iconImage_.size_ = imageSize;
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expect(iconStyle.getOrigin()).to.eql([92, 20]);
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});
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});
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describe('#getImageSize', function () {
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const imgSize = [144, 192];
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it('takes the real image size', function () {
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// pretend that the image is already in the cache,
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// this image will be used for the icon.
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const src = 'test.png';
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const iconImage = new IconImage(null, 'test.png', imgSize);
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iconImageCache.set(src, null, null, iconImage);
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const iconStyle = new Icon({
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src: 'test.png',
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});
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expect(iconStyle.getImageSize()).to.eql(imgSize);
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});
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it('uses the given image size', function () {
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const iconStyle = new Icon({
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img: {src: 'test.png'},
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imgSize: imgSize,
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});
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expect(iconStyle.getImageSize()).to.eql(imgSize);
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});
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});
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});
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