89 lines
2.5 KiB
JavaScript
89 lines
2.5 KiB
JavaScript
import _ol_ from '../../../../src/ol/index.js';
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import _ol_events_ from '../../../../src/ol/events.js';
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import _ol_style_ from '../../../../src/ol/style.js';
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import _ol_style_IconImage_ from '../../../../src/ol/style/IconImage.js';
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describe('ol.style.IconImageCache', function() {
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var originalMaxCacheSize;
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beforeEach(function() {
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var cache = _ol_style_.iconImageCache;
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cache.clear();
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originalMaxCacheSize = cache.maxCacheSize;
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cache.maxCacheSize_ = 4;
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});
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afterEach(function() {
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var cache = _ol_style_.iconImageCache;
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cache.maxCacheSize_ = originalMaxCacheSize;
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cache.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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var cache = _ol_style_.iconImageCache;
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var 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 _ol_style_IconImage_(null, src);
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cache.set(src, null, null, iconImage);
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}
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expect(cache.cacheSize_).to.eql(4);
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cache.expire();
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expect(cache.cacheSize_).to.eql(4);
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src = '4';
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iconImage = new _ol_style_IconImage_(null, src);
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cache.set(src, null, null, iconImage);
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expect(cache.cacheSize_).to.eql(5);
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cache.expire(); // remove '0' and '4'
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expect(cache.cacheSize_).to.eql(3);
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src = '0';
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iconImage = new _ol_style_IconImage_(null, src);
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_ol_events_.listen(iconImage, 'change',
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_ol_.nullFunction, false);
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cache.set(src, null, null, iconImage);
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expect(cache.cacheSize_).to.eql(4);
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src = '4';
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iconImage = new _ol_style_IconImage_(null, src);
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_ol_events_.listen(iconImage, 'change',
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_ol_.nullFunction, false);
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cache.set(src, null, null, iconImage);
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expect(cache.cacheSize_).to.eql(5);
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// check that '0' and '4' are not removed from the cache
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cache.expire();
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expect(cache.get('0', null, null)).to.not.be(null);
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expect(cache.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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var cache = _ol_style_.iconImageCache;
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var 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 _ol_style_IconImage_(null, src);
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cache.set(src, null, null, iconImage);
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}
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expect(cache.cacheSize_).to.eql(3);
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cache.setSize(2);
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expect(cache.maxCacheSize_).to.eql(2);
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expect(cache.cacheSize_).to.eql(2);
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});
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});
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});
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