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goog.provide('ol.test.ImageTile'); | ||
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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) { | ||
var tileCoord = [0, 0, 0]; | ||
var state = ol.TileState.IDLE; | ||
var src = 'spec/ol/data/osm-0-0-0.png'; | ||
var tileLoadFunction = ol.source.Image.defaultImageLoadFunction; | ||
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) { | ||
var state = tile.getState(); | ||
if (previousState == ol.TileState.IDLE) { | ||
expect(state).to.be(ol.TileState.LOADING); | ||
} else if (previousState == ol.TileState.LOADING) { | ||
expect(state).to.be(ol.TileState.LOADED); | ||
done(); | ||
} else { | ||
expect().fail(); | ||
} | ||
previousState = state; | ||
}); | ||
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tile.load(); | ||
}); | ||
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it('can load error tile', function(done) { | ||
var tileCoord = [0, 0, 0]; | ||
var state = ol.TileState.ERROR; | ||
var src = 'spec/ol/data/osm-0-0-0.png'; | ||
var tileLoadFunction = ol.source.Image.defaultImageLoadFunction; | ||
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) { | ||
var state = tile.getState(); | ||
if (previousState == ol.TileState.ERROR) { | ||
expect(state).to.be(ol.TileState.LOADING); | ||
} else if (previousState == ol.TileState.LOADING) { | ||
expect(state).to.be(ol.TileState.LOADED); | ||
done(); | ||
} else { | ||
expect().fail(); | ||
} | ||
previousState = state; | ||
}); | ||
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tile.load(); | ||
}); | ||
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}); | ||
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}); | ||
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goog.require('ol.events'); | ||
goog.require('ol.events.EventType'); | ||
goog.require('ol.source.Image'); | ||
goog.require('ol.ImageTile'); | ||
goog.require('ol.TileState'); |