55 lines
1.0 KiB
JavaScript
55 lines
1.0 KiB
JavaScript
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describe('GridLayer', function () {
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var div;
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beforeEach(function () {
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div = document.createElement('div');
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div.style.width = '800px';
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div.style.height = '600px';
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div.style.visibility = 'hidden';
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document.body.appendChild(div);
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});
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afterEach(function () {
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document.body.removeChild(div);
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});
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it('positions tiles correctly with wrapping and bounding', function () {
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var map = L.map(div).setView([0, 0], 1);
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var tiles = [];
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var grid = L.gridLayer();
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grid.createTile = function (coords) {
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var tile = document.createElement('div');
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tiles.push({coords: coords, tile: tile});
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return tile;
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};
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map.addLayer(grid);
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var loaded = {};
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for (var i = 0; i < tiles.length; i++) {
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var coords = tiles[i].coords,
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pos = L.DomUtil.getPosition(tiles[i].tile);
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loaded[pos.x + ':' + pos.y] = [coords.x, coords.y];
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}
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expect(loaded).to.eql({
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'144:44': [0, 0],
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'400:44': [1, 0],
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'144:300': [0, 1],
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'400:300': [1, 1],
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'-112:44': [1, 0],
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'656:44': [0, 0],
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'-112:300': [1, 1],
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'656:300': [0, 1]
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});
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});
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});
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