40 lines
939 B
JavaScript
40 lines
939 B
JavaScript
goog.require('ol.Tile');
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goog.require('ol.TileCache');
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goog.require('ol.tilecoord');
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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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var tiles = [
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new ol.Tile([0, 0, 0]),
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new ol.Tile([1, 0, 0]),
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new ol.Tile([1, 1, 0]),
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new ol.Tile([2, 0, 0]),
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new ol.Tile([2, 1, 0]),
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new ol.Tile([2, 2, 0]),
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new ol.Tile([2, 3, 0]) // newest tile at z: 2
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];
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var cache = new ol.TileCache();
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sinon.spy(tiles[0], 'dispose');
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tiles.forEach(function(tile) {
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cache.set(ol.tilecoord.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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expect(tiles[0].dispose.calledOnce).to.be(true);
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});
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});
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});
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