31 lines
888 B
JavaScript
31 lines
888 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(['2/3/0', '2/2/0', '2/1/0', '2/0/0']);
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});
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});
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});
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