81 lines
2.4 KiB
JavaScript
81 lines
2.4 KiB
JavaScript
import IconImage from '../../../../../src/ol/style/IconImage.js';
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import {VOID} from '../../../../../src/ol/functions.js';
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import {shared as iconImageCache} from '../../../../../src/ol/style/IconImageCache.js';
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import {listen} from '../../../../../src/ol/events.js';
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describe('ol.style.IconImageCache', function () {
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let originalMaxCacheSize;
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beforeEach(function () {
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iconImageCache.clear();
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originalMaxCacheSize = iconImageCache.maxCacheSize;
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iconImageCache.maxCacheSize_ = 4;
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});
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afterEach(function () {
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iconImageCache.maxCacheSize_ = originalMaxCacheSize;
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iconImageCache.clear();
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});
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describe('#expire', function () {
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it('expires images when expected', function () {
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let i, src, iconImage;
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for (i = 0; i < 4; ++i) {
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src = i + '';
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iconImage = new IconImage(null, src);
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iconImageCache.set(src, null, null, iconImage);
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}
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expect(iconImageCache.cacheSize_).to.eql(4);
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iconImageCache.expire();
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expect(iconImageCache.cacheSize_).to.eql(4);
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src = '4';
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iconImage = new IconImage(null, src);
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iconImageCache.set(src, null, null, iconImage);
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expect(iconImageCache.cacheSize_).to.eql(5);
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iconImageCache.expire(); // remove '0' and '4'
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expect(iconImageCache.cacheSize_).to.eql(3);
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src = '0';
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iconImage = new IconImage(null, src);
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listen(iconImage, 'change', VOID, false);
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iconImageCache.set(src, null, null, iconImage);
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expect(iconImageCache.cacheSize_).to.eql(4);
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src = '4';
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iconImage = new IconImage(null, src);
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listen(iconImage, 'change', VOID, false);
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iconImageCache.set(src, null, null, iconImage);
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expect(iconImageCache.cacheSize_).to.eql(5);
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// check that '0' and '4' are not removed from the cache
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iconImageCache.expire();
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expect(iconImageCache.get('0', null, null)).to.not.be(null);
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expect(iconImageCache.get('4', null, null)).to.not.be(null);
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});
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});
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describe('#setSize', function () {
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it('sets max cache size and expires cache', function () {
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let i, src, iconImage;
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for (i = 0; i < 3; ++i) {
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src = i + '';
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iconImage = new IconImage(null, src);
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iconImageCache.set(src, null, null, iconImage);
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}
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expect(iconImageCache.cacheSize_).to.eql(3);
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iconImageCache.setSize(2);
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expect(iconImageCache.maxCacheSize_).to.eql(2);
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expect(iconImageCache.cacheSize_).to.eql(2);
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});
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});
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});
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