67 lines
1.9 KiB
JavaScript
67 lines
1.9 KiB
JavaScript
goog.provide('ol.test.ImageTile');
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goog.require('ol.ImageTile');
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goog.require('ol.Tile');
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goog.require('ol.events');
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goog.require('ol.events.EventType');
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goog.require('ol.source.Image');
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describe('ol.ImageTile', function() {
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describe('#load()', function() {
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it('can load idle tile', function(done) {
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var tileCoord = [0, 0, 0];
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var state = ol.Tile.State.IDLE;
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var src = 'spec/ol/data/osm-0-0-0.png';
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var tileLoadFunction = ol.source.Image.defaultImageLoadFunction;
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var tile = new ol.ImageTile(tileCoord, state, src, null, tileLoadFunction);
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var previousState = tile.getState();
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ol.events.listen(tile, ol.events.EventType.CHANGE, function(event) {
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var state = tile.getState();
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if (previousState == ol.Tile.State.IDLE) {
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expect(state).to.be(ol.Tile.State.LOADING);
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} else if (previousState == ol.Tile.State.LOADING) {
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expect(state).to.be(ol.Tile.State.LOADED);
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done();
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} else {
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expect().fail();
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}
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previousState = state;
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});
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tile.load();
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});
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it('can load error tile', function(done) {
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var tileCoord = [0, 0, 0];
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var state = ol.Tile.State.ERROR;
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var src = 'spec/ol/data/osm-0-0-0.png';
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var tileLoadFunction = ol.source.Image.defaultImageLoadFunction;
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var tile = new ol.ImageTile(tileCoord, state, src, null, tileLoadFunction);
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var previousState = tile.getState();
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ol.events.listen(tile, ol.events.EventType.CHANGE, function(event) {
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var state = tile.getState();
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if (previousState == ol.Tile.State.ERROR) {
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expect(state).to.be(ol.Tile.State.LOADING);
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} else if (previousState == ol.Tile.State.LOADING) {
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expect(state).to.be(ol.Tile.State.LOADED);
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done();
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} else {
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expect().fail();
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}
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previousState = state;
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});
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tile.load();
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});
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});
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});
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