11966d231f
This allows us to simplify the map and layer configuration, because now the projection also defines defaults for maxExtent, maxResolution and units. This change also adds transforms for SRS aliases for EPSG:4326 and centralizes axis order information in OpenLayers.Projection.defaults.
267 lines
8.7 KiB
HTML
267 lines
8.7 KiB
HTML
<html>
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<head>
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<script src="../OLLoader.js"></script>
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<script type="text/javascript">
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var layer;
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var name = 'Test Layer';
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var url = "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/${z}/${x}/${y}.png";
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var options = {'layername':'basic', 'type':'png'};
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function test_Layer_XYZ_constructor (t) {
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t.plan( 1 );
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layer = new OpenLayers.Layer.XYZ(name, url, options);
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t.ok( layer instanceof OpenLayers.Layer.XYZ, "returns OpenLayers.Layer.XYZ object" );
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}
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function test_Layer_XYZ_clearTiles (t) {
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t.plan( 1 );
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.XYZ(name, url, options);
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(0,0));
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//grab a reference to one of the tiles
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var tile = layer.grid[0][0];
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layer.clearGrid();
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t.ok( layer.grid != null, "layer.grid does not get nullified" );
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map.destroy();
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}
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function test_Layer_XYZ_getXYZBounds(t) {
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t.plan( 1 );
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layer = new OpenLayers.Layer.XYZ(name, url, options);
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var bl = { bounds: new OpenLayers.Bounds(1,2,2,3)};
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var tr = { bounds: new OpenLayers.Bounds(2,3,3,4)};
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layer.grid = [ [6, tr],
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[bl, 7]];
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var bounds = layer.getTilesBounds();
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var testBounds = new OpenLayers.Bounds(1,2,3,4);
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t.ok( bounds.equals(testBounds), "getXYZBounds() returns correct bounds")
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layer.grid = null;
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}
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function test_Layer_XYZ_getResolution(t) {
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t.plan( 1 );
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.XYZ(name, url, options);
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map.addLayer(layer);
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map.zoom = 5;
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t.eq( layer.getResolution(), 0.0439453125, "getResolution() returns correct value");
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map.destroy();
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}
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function test_Layer_XYZ_getZoomForExtent(t) {
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t.plan( 2 );
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var bounds, zoom;
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.XYZ(name, url, options);
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map.addLayer(layer);
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bounds = new OpenLayers.Bounds(10,10,12,12);
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zoom = layer.getZoomForExtent(bounds);
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t.eq( zoom, 8, "getZoomForExtent() returns correct value");
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bounds = new OpenLayers.Bounds(10,10,100,100);
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zoom = layer.getZoomForExtent(bounds);
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t.eq( zoom, 2, "getZoomForExtent() returns correct value");
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map.destroy();
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}
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/** THIS WOULD BE WHERE THE TESTS WOULD GO FOR
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*
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* -moveTo
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* -insertColumn
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* -insertRow
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function 07_Layer_XYZ_moveTo(t) {
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}
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function 08_Layer_XYZ_insertColumn(t) {
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}
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function 09_Layer_XYZ_insertRow(t) {
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}
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*
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*/
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function test_Layer_XYZ_getURL(t) {
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t.plan(6);
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.XYZ(name, url);
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(0,0), 9);
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var tileurl = layer.getURL(new OpenLayers.Bounds(3.515625,45,4.21875,45.703125));
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t.eq(tileurl, "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/9/261/63.png", "Tile URL is correct");
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layer.url = ["http://tilecache1/", "http://tilecache2/", "http://tilecache3/"];
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tileurl = layer.getURL(new OpenLayers.Bounds(3.515625,45,4.21875,45.703125));
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t.eq(tileurl, "http://tilecache1/", "Tile URL is deterministic");
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layer.url = url;
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tileurl = layer.getURL(new OpenLayers.Bounds(180.515625,45,181.21875,45.703125));
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t.eq(tileurl, "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/9/513/63.png", "Tile URL is correct");
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tileurl = layer.getURL(new OpenLayers.Bounds(-181.515625,45,-180.21875,45.703125));
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t.eq(tileurl, "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/9/-2/63.png", "Tile URL is correct");
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layer.wrapDateLine = true;
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tileurl = layer.getURL(new OpenLayers.Bounds(180.515625,45,181.21875,45.703125));
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t.eq(tileurl, "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/9/1/63.png", "Tile URL is correct");
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tileurl = layer.getURL(new OpenLayers.Bounds(-181.515625,45,-180.21875,45.703125));
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t.eq(tileurl, "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/9/510/63.png", "Tile URL is correct");
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map.destroy();
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}
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function test_Layer_XYZ_Rounding(t) {
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t.plan(1);
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m = new OpenLayers.Map("map", {'maxExtent':new OpenLayers.Bounds(-122.6579,37.4901,-122.0738,37.8795)});
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layer = new OpenLayers.Layer.XYZ( "XYZ",
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url, {layername: 'basic', type:'png', resolutions:[0.000634956337608418], buffer: 2} );
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m.addLayer(layer);
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m.zoomToMaxExtent()
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t.eq(layer.getURL(layer.grid[3][3].bounds), "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/0/1/0.png", "XYZ tiles around rounded properly.");
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m.destroy();
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}
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function test_Layer_XYZ_setMap(t) {
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t.plan(3);
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.XYZ(name, url);
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t.eq(layer.tileOrigin, null, "Tile origin starts out null");
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layer.setMap(map);
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t.eq(layer.tileOrigin.lat, -90, "lat is -90");
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t.eq(layer.tileOrigin.lon, -180, "lon is -180");
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map.destroy();
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}
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function test_Layer_XYZ_serverResolutions(t) {
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t.plan(2);
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var map = new OpenLayers.Map('map', {
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resolutions: [13,11]
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});
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var layer = new OpenLayers.Layer.XYZ(name, url, options);
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(0,0), 1);
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var tileurl = layer.getURL(new OpenLayers.Bounds(0,0,0,0));
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var level = parseInt(tileurl.split('/')[7]);
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t.eq(map.getZoom(), level, "Tile zoom level is correct without serverResolutions");
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layer.serverResolutions = [14,13,12,11,10];
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tileurl = layer.getURL(new OpenLayers.Bounds(0,0,0,0));
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level = parseInt(tileurl.split('/')[7]);
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var res = map.getResolution();
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var gotLevel = OpenLayers.Util.indexOf(layer.serverResolutions, res);
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t.eq(gotLevel, level, "Tile zoom level is correct with serverResolutions");
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map.destroy();
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}
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function test_zoomOffset(t) {
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t.plan(2);
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var offset;
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// test offset of 2
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offset = 2;
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var map = new OpenLayers.Map({
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div: "map",
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maxResolution: OpenLayers.Projection.defaults["EPSG:4326"].maxResolution / Math.pow(2, offset)
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});
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var layer = new OpenLayers.Layer.XYZ(name, url, {zoomOffset: offset});
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(0,0), 7);
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var tileurl = layer.getURL(new OpenLayers.Bounds(3.515625,45,4.21875,45.703125));
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t.eq(tileurl, "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/9/261/63.png", "correct URL for offset of 2");
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map.destroy();
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// test offset of -1
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offset = -1;
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var map = new OpenLayers.Map({
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div: "map",
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maxResolution: OpenLayers.Projection.defaults["EPSG:4326"].maxResolution / Math.pow(2, offset)
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});
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var layer = new OpenLayers.Layer.XYZ(name, url, {zoomOffset: offset});
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(0,0), 10);
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var tileurl = layer.getURL(new OpenLayers.Bounds(3.515625,45,4.21875,45.703125));
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t.eq(tileurl, "http://labs.metacarta.com/wms-c/Basic.py/1.0.0/basic/9/261/63.png", "correct URL for offset of -1");
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map.destroy();
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}
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function test_Layer_XYZ_destroy (t) {
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t.plan( 3 );
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.XYZ(name, url, options);
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map.addLayer(layer);
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layer.destroy();
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t.eq( layer.grid, null, "layer.grid is null after destroy" );
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t.eq( layer.tileSize, null, "layer.tileSize is null after destroy" );
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//test with tile creation
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layer = new OpenLayers.Layer.XYZ(name, url, options);
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(0,0), 5);
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//grab a reference to one of the tiles
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var tile = layer.grid[0][0];
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layer.destroy();
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t.ok( layer.grid == null, "tiles appropriately destroyed");
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map.destroy();
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}
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function test_clone(t) {
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t.plan(1);
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layer = new OpenLayers.Layer.XYZ(name, url, options);
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var clone = layer.clone();
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t.ok(clone instanceof OpenLayers.Layer.XYZ, "clone is a Layer.XYZ instance");
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}
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</script>
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</head>
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<body>
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<div id="map" style="width:500px;height:550px"></div>
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</body>
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</html>
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