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