38 lines
916 B
JavaScript
38 lines
916 B
JavaScript
import Tile from '../../../src/ol/Tile.js';
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import TileCache from '../../../src/ol/TileCache.js';
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import {getKey} from '../../../src/ol/tilecoord.js';
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describe('ol.TileCache', function() {
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describe('#pruneExceptNewestZ()', function() {
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it('gets rid of all entries that are not at the newest z', function() {
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const tiles = [
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new Tile([0, 0, 0]),
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new Tile([1, 0, 0]),
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new Tile([1, 1, 0]),
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new Tile([2, 0, 0]),
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new Tile([2, 1, 0]),
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new Tile([2, 2, 0]),
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new Tile([2, 3, 0]) // newest tile at z: 2
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];
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const cache = new TileCache();
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sinon.spy(tiles[0], 'dispose');
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tiles.forEach(function(tile) {
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cache.set(getKey(tile.tileCoord), tile);
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});
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cache.pruneExceptNewestZ();
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expect(cache.getKeys()).to.eql([
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'2/3/0',
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'2/2/0',
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'2/1/0',
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'2/0/0'
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]);
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});
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});
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});
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