1583 lines
56 KiB
HTML
1583 lines
56 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 isMozilla = (navigator.userAgent.indexOf("compatible") == -1);
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var layer;
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var name = 'Test Layer';
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var url = "http://vmap0.tiles.osgeo.org/wms/vmap0";
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var params = {layers: 'basic', format: 'image/png'};
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/**
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* NOTE TO READER:
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*
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* Some of the tests on the Grid class actually use the WMS class.
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* This is because WMS is a subclass of Grid and it implements the
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* core functions which are necessary to test the tile-generation
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* mechanism.
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*
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*/
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function test_constructor (t) {
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t.plan( 7 );
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layer = new OpenLayers.Layer.Grid(name, url, params, null);
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t.ok( layer instanceof OpenLayers.Layer.Grid, "returns OpenLayers.Layer.Grid object" );
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t.eq( layer.buffer, 0, "buffer default is 0");
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t.eq( layer.ratio, 1.5, "ratio default is 1.5");
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t.eq( layer.numLoadingTiles, 0, "numLoadingTiles starts at 0");
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t.ok( layer.tileClass === OpenLayers.Tile.Image, "tileClass default is OpenLayers.Tile.Image");
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t.eq( layer.className, 'olLayerGrid', "className default is olLayerGrid");
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var obj = {};
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var func = function() {};
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layer.events.register('tileloaded', obj, func);
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t.ok( layer.events.listeners['tileloaded'].length == 1, "one listener for tileloaded after register");
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}
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function test_constructor_singleTile(t) {
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t.plan(2);
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layer = new OpenLayers.Layer.Grid(name, url, params, {singleTile: true});
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t.eq( layer.className, 'olLayerGridSingleTile', "className default is olLayerGridSingleTile");
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t.eq( layer.removeBackBufferDelay, 0, "removeBackBufferDelay default is 0");
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}
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function test_setMap(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.Grid(name, url, params, null);
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map.addLayer(layer);
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t.ok(OpenLayers.Element.hasClass(layer.div, "olLayerGrid"),
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"olLayerGrid class assigned to layer div");
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map.destroy();
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}
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function test_setMap_singleTile(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.Grid(name, url, params, {singleTile: true});
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map.addLayer(layer);
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t.ok(OpenLayers.Element.hasClass(layer.div, "olLayerGridSingleTile"),
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"olLayerGridSingleTile class assigned to layer div");
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map.destroy();
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}
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function test_Layer_Grid_inittiles (t) {
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t.plan( 2 );
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.WMS(name, url, params, {buffer:2});
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(0,0),5);
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t.eq( layer.grid.length, 8, "Grid rows is correct." );
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t.eq( layer.grid[0].length, 7, "Grid cols is correct." );
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}
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function test_Layer_Grid_tileClass(t) {
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t.plan(2);
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var myTileClass = OpenLayers.Class(OpenLayers.Tile, {});
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.WMS(name, url, params, {
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tileClass: myTileClass
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});
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map.addLayer(layer);
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t.ok(layer.tileClass === myTileClass, "tileClass is set");
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var instance = layer.addTile(new OpenLayers.Bounds(-10, 10, 50, 100),
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new OpenLayers.Pixel(10, 12));
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t.ok(instance instanceof myTileClass, "addTile returns type is correct");
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map.destroy();
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}
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function test_Layer_Grid_clearTiles (t) {
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t.plan(4);
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.WMS(name, url, params);
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map.addLayer(layer);
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map.setCenter(new OpenLayers.LonLat(0,0));
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var numTiles = layer.grid.length * layer.grid[0].length;
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//our count of how many times tile.destroy() is called
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tilesDeleted = 0;
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//this will get set to false if we try to destroy a tile that has
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// not been unhookedv
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allTilesUnhooked = true;
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OpenLayers.Tile.Image.prototype._destroy =
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OpenLayers.Tile.Image.prototype.destroy;
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OpenLayers.Tile.Image.prototype.destroy = function() {
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if (!this.unhooked) {
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allTilesUnhooked = false;
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}
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tilesDeleted++;
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}
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layer.removeTileMonitoringHooks = function(tile) {
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tile.unhooked = true;
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}
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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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t.eq(tilesDeleted, numTiles, "all tiles destroy()ed properly");
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t.ok(allTilesUnhooked, "all tiles unhooked before being destroyed");
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t.eq(layer.gridResolution, null, "gridResolution set to null");
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OpenLayers.Tile.Image.prototype.destroy =
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OpenLayers.Tile.Image.prototype._destroy;
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}
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function test_Layer_Grid_getTilesBounds(t) {
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t.plan(4);
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layer = new OpenLayers.Layer.WMS(name, url, params);
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//normal grid
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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), "getTilesBounds() returns correct bounds");
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//no tiles
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layer.grid = [];
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bounds = layer.getTilesBounds();
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t.ok(bounds == null, "getTilesBounds() on a tile-less grid returns null");
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//singleTile
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var singleTile = { bounds: new OpenLayers.Bounds(1,2,3,4)};
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layer.grid = [ [ singleTile ] ];
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bounds = layer.getTilesBounds();
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t.ok( bounds.equals(testBounds), "getTilesBounds() returns correct bounds");
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//world wrapped around the dateline
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var bl = { bounds: new OpenLayers.Bounds(0,-90,180,90)};
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var tr = { bounds: new OpenLayers.Bounds(-180,-90,0,90)};
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layer.grid = [[bl, tr]];
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var bounds = layer.getTilesBounds();
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var testBounds = new OpenLayers.Bounds(0,-90,360,90);
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t.ok( bounds.equals(testBounds), "getTilesBounds() returns correct bounds");
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}
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function test_Layer_Grid_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.WMS(name, url, params);
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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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}
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function test_Layer_Grid_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.WMS(name, url, params);
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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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}
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function test_moveGriddedTiles(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.WMS(name, url, params, {buffer: 2});
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map.addLayer(layer);
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map.setCenter([0, 0], 5);
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var count = 0;
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layer.shiftColumn = function(prepend) {
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++count;
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OpenLayers.Layer.WMS.prototype.shiftColumn.apply(this, arguments);
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}
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map.moveTo([15, 0]);
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t.delay_call(.5, function() {
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t.eq(count, 1, "column shifted once");
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});
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}
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function test_Layer_Grid_moveTo(t) {
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t.plan(13);
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var map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.WMS(name, url, params);
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layer.destroy = function() {}; //we're going to do funky things with the grid
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layer.applyBackBuffer = function() {}; // backbuffering isn't under test here
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map.addLayer(layer);
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map.setCenter([-10, 0], 5);
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var log = [];
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//make sure null bounds doesnt cause script error.
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// no test necessary, just action
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map.getExtent = function() { return null; }
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layer.singleTile = false;
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layer.moveTo(); //checks to make sure null bounds doesnt break us
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//observing globals
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layer.initSingleTile = function(bounds) {
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g_WhichFunc = "InitSingle";
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g_Bounds = bounds;
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};
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layer.initGriddedTiles = function(bounds) {
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g_WhichFunc = "InitGridded";
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g_Bounds = bounds;
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};
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layer.moveGriddedTiles = function() {
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g_WhichFunc = "MoveGridded";
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g_Bounds = layer.map.getExtent();
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};
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var clearTestBounds = function() {
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g_WhichFunc = null;
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g_Bounds = null;
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};
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//default map extent (tested every time below)
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b = new OpenLayers.Bounds(0,0,100,100);
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map.getExtent = function() {
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return b;
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};
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var tilesBounds = null;
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layer.getTilesBounds = function() {
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return tilesBounds;
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}
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//FORCE
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//empty grid
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layer.grid = [];
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//grid
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clearTestBounds();
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layer.singleTile = false;
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layer.moveTo()
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t.ok(g_Bounds.equals(b), "if grid is empty, initGridded called");
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//singletile
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clearTestBounds();
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layer.singleTile = true;
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layer.moveTo()
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t.ok(g_Bounds.equals(b), "if grid is empty, initSingleTile called");
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//zoomChanged
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zoomChanged = true;
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layer.grid = [ [ {} ] ];
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//grid
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clearTestBounds();
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layer.singleTile = false;
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layer.moveTo(null, zoomChanged);
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t.ok(g_Bounds.equals(b), "if layer has grid but zoomChanged is called, initGridded called");
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//singletile
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clearTestBounds();
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layer.singleTile = true;
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layer.moveTo(null, zoomChanged);
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t.ok(g_Bounds.equals(b), "if layer has grid but zoomChanged is called, initSingleTile called");
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//NO FORCE
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zoomChanged = false;
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layer.grid = [ [ {} ] ];
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//single tile
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layer.singleTile = true;
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//DRAGGING
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var dragging = true;
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//in bounds
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clearTestBounds();
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tilesBounds = new OpenLayers.Bounds(-10,-10,110,110);
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layer.moveTo(null, zoomChanged, dragging);
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t.ok(g_Bounds == null, "if dragging and tile in bounds, no init()");
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//out bounds
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clearTestBounds();
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tilesBounds = new OpenLayers.Bounds(10,10,120,120);
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layer.moveTo(null, zoomChanged, dragging);
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t.ok(g_Bounds == null, "if dragging and tile out of bounds, no init()");
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//NOT DRAGGING
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dragging = false;
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//in bounds
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clearTestBounds();
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tilesBounds = new OpenLayers.Bounds(-10,-10,110,110);
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layer.moveTo(null, zoomChanged, dragging);
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t.ok(g_Bounds == null, "if dragging and tile in bounds, no init()");
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//out bounds
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clearTestBounds();
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tilesBounds = new OpenLayers.Bounds(10,10,120,120);
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layer.moveTo(null, zoomChanged, dragging);
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t.ok(g_WhichFunc == "InitSingle", "if not dragging and tile out of bounds, we call initSingleTile()");
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t.ok(g_Bounds.equals(b), "if not dragging and tile out of bounds, we call initSingleTile() with correct bounds");
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//gridded
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layer.grid = [ [ {position: new OpenLayers.Pixel(0,0)} ] ];
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layer.singleTile = false;
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//regular move
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clearTestBounds();
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tilesBounds = new OpenLayers.Bounds(10,10,120,120);
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g_WhichFunc = null;
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layer.moveTo(null, zoomChanged);
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t.eq(g_WhichFunc, "MoveGridded", "if tiles not drastically out of bounds, we call moveGriddedTile()");
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t.ok(g_Bounds.equals(b), "if tiles not drastically out of bounds, we call moveGriddedTile() with correct bounds");
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// drastic pan
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clearTestBounds();
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tilesBounds = new OpenLayers.Bounds(-150,-150,-120,-120);
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layer.moveTo(null, zoomChanged);
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t.ok(g_WhichFunc == "InitGridded", "if tiles drastically out of bounds, we call initGriddedTile()");
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t.ok(g_Bounds.equals(b), "if tiles drastically out of bounds, we call initGriddedTile() with correct bounds");
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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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* -insertColumn
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* -insertRow
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*
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function 08_Layer_Grid_insertColumn(t) {
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}
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function 09_Layer_Grid_insertRow(t) {
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}
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*
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*/
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function test_Layer_Grid_clone(t) {
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t.plan(7);
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var options = {tileSize: new OpenLayers.Size(500,50)};
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var map = new OpenLayers.Map('map', options);
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layer = new OpenLayers.Layer.Grid(name, url, params);
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map.addLayer(layer);
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layer.grid = [ [6, 7],
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[8, 9]];
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// if we clone when tiles are still loading, this should not influence the clone
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layer.numLoadingTiles = 1;
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var clone = layer.clone();
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t.eq( clone.numLoadingTiles, 0, "numLoadingTiles should be reset");
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t.ok( clone.grid != layer.grid, "clone does not copy grid");
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t.ok( clone.grid.length == 0, "clone creates a new array instead");
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t.eq(clone.backBuffer, null, "no backbuffer from original");
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t.ok( clone.tileSize.equals(layer.tileSize), "tileSize correctly cloned");
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layer.tileSize.w += 40;
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t.eq( clone.tileSize.w, 500, "changing layer.tileSize does not change clone.tileSize -- a fresh copy was made, not just copied reference");
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t.eq( clone.alpha, layer.alpha, "alpha copied correctly");
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layer.grid = null;
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}
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function test_Layer_Grid_setTileSize(t) {
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t.plan(1);
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OpenLayers.Layer.HTTPRequest.prototype._setTileSize =
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OpenLayers.Layer.HTTPRequest.prototype.setTileSize;
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OpenLayers.Layer.HTTPRequest.prototype.setTileSize = function(size) {
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g_Size = size;
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};
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layer = new OpenLayers.Layer.Grid(name, url, params, {
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singleTile: true
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});
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mapSize = new OpenLayers.Size(100,1000);
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layer.map = {
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getSize: function() { return mapSize; }
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}
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g_Size = null;
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layer.setTileSize();
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var idealSize = new OpenLayers.Size(150,1500);
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t.ok( g_Size && g_Size.equals(idealSize), "correctly calculated tile size passed to superclass setTileSize() function");
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OpenLayers.Layer.HTTPRequest.prototype.setTileSize =
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OpenLayers.Layer.HTTPRequest.prototype._setTileSize;
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}
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function test_Layer_Grid_initSingleTile(t) {
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t.plan( 11 );
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layer = new OpenLayers.Layer.Grid(name, url, params, {
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singleTile: true,
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ratio: 2
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});
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var bounds = new OpenLayers.Bounds(-10,10,50,100);
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var desiredTileBounds = new OpenLayers.Bounds(-40,-35,80,145);
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var desiredUL = new OpenLayers.LonLat(-40,145);
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translatedPX = {};
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layer.map = {
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getLayerPxFromLonLat: function(ul) {
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t.ok(ul.lon === desiredUL.lon && ul.lat === desiredUL.lat, "correct ul passed to translation");
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return translatedPX;
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},
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getResolution: function() {
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}
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}
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var newTile = {
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draw: function() {
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t.ok(true, "newly created tile has been drawn");
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}
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};
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layer.addTile = function(tileBounds, px) {
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t.ok(tileBounds.equals(desiredTileBounds), "correct tile bounds passed to addTile to create new tile");
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t.ok(px == translatedPX, "correct tile px passed to addTile to create new tile");
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return newTile;
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};
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layer.addTileMonitoringHooks = function(tile) {
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t.ok(tile == newTile, "adding monitoring hooks to the newly added tile");
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};
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layer.removeExcessTiles = function(x,y) {
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t.ok(x == 1 && y == 1, "removeExcessTiles called")
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};
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layer.grid = [];
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layer.initSingleTile(bounds);
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t.ok(layer.grid[0][0] == newTile, "grid's 0,0 is set to the newly created tile");
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var tile = {
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moveTo: function(tileBounds, px) {
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t.ok(tileBounds.equals(desiredTileBounds), "correct tile bounds passed to tile.moveTo()");
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t.ok(px == translatedPX, "correct tile px passed to tile.moveTo()");
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}
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};
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layer.grid = [[ tile ]];
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layer.initSingleTile(bounds);
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}
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function test_Layer_Grid_addTileMonitoringHooks(t) {
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t.plan(18);
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layer = new OpenLayers.Layer.Grid();
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layer.events = {
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'triggerEvent': function(str, evt) {
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g_events.push([str, evt]);
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}
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|
}
|
|
|
|
var tile = {
|
|
events: {
|
|
register: function(name, obj, func) {
|
|
g_registered[name] = [obj, func];
|
|
},
|
|
on: function(obj) {
|
|
for (var o in obj) {
|
|
if (obj.hasOwnProperty(o)) {
|
|
tile.events.register(o, obj.scope, obj[o]);
|
|
}
|
|
}
|
|
}
|
|
},
|
|
imgDiv: {className: ''}
|
|
}
|
|
|
|
g_registered = {};
|
|
g_events = [];
|
|
|
|
layer.addTileMonitoringHooks(tile);
|
|
|
|
//loadstart
|
|
t.ok(tile.onLoadStart != null, "onLoadStart function created and added to tile");
|
|
entry = g_registered["loadstart"];
|
|
t.ok( entry && entry[0] == layer && entry[1] == tile.onLoadStart, "loadstart correctly registered");
|
|
|
|
layer.numLoadingTiles = 0;
|
|
g_events = [];
|
|
tile.onLoadStart.apply(layer);
|
|
|
|
t.eq(g_events[0][0], "loadstart", "loadstart event triggered when numLoadingTiles is 0");
|
|
t.eq(layer.numLoadingTiles, 1, "numLoadingTiles incremented");
|
|
t.eq(g_events[1][0], "tileloadstart", "tileloadstart event triggered");
|
|
|
|
g_events = [];
|
|
tile.onLoadStart.apply(layer);
|
|
t.eq(g_events.length, 1, "tileloadstart, but not loadstart triggered when numLoadingTiles is not 0");
|
|
t.eq(layer.numLoadingTiles, 2, "numLoadingTiles incremented");
|
|
|
|
|
|
//loadend
|
|
t.ok(tile.onLoadEnd != null, "onLoadEnd function created and added to tile");
|
|
entry = g_registered["loadend"];
|
|
t.ok( entry && entry[0] == layer && entry[1] == tile.onLoadEnd, "loadend correctly registered");
|
|
|
|
g_events = [];
|
|
tile.onLoadError.apply(layer);
|
|
t.eq(g_events[0][0], "tileerror", "tileerror triggered");
|
|
t.ok(g_events[0][1].tile === tile, "tile passed as tile property to event object");
|
|
|
|
layer.numLoadingTiles = 2;
|
|
g_events = [];
|
|
tile.onLoadEnd.apply(layer, [{}]);
|
|
t.eq(g_events[0][0], "tileloaded", "tileloaded triggered when numLoadingTiles is > 0");
|
|
t.ok(g_events[0][1].tile === tile, "tile passed as tile property to event object");
|
|
t.eq(g_events.length, 1, "loadend event not triggered when numLoadingTiles is > 0");
|
|
t.eq(layer.numLoadingTiles, 1, "numLoadingTiles decremented");
|
|
|
|
|
|
g_events = [];
|
|
layer.grid = [[{}]]; // to prevent error in updateBackBuffer
|
|
tile.onLoadEnd.apply(layer, [{}]);
|
|
t.eq(g_events[0][0], "tileloaded", "tileloaded triggered when numLoadingTiles is 0");
|
|
t.eq(g_events[1][0], "loadend", "loadend event triggered when numLoadingTiles is 0");
|
|
t.eq(layer.numLoadingTiles, 0, "numLoadingTiles decremented");
|
|
}
|
|
|
|
function test_Layer_Grid_removeTileMonitoringHooks(t) {
|
|
t.plan(2);
|
|
|
|
layer = new OpenLayers.Layer.Grid();
|
|
|
|
var tile = {
|
|
onLoadStart: {},
|
|
onLoadEnd: {},
|
|
unload: function() {},
|
|
events: {
|
|
unregister: function(name, obj, func) {
|
|
g_unregistered[name] = [obj, func];
|
|
},
|
|
un: OpenLayers.Events.prototype.un
|
|
}
|
|
}
|
|
|
|
g_unregistered = {};
|
|
|
|
layer.removeTileMonitoringHooks(tile);
|
|
|
|
entry = g_unregistered["loadstart"];
|
|
t.ok( entry && entry[0] == layer && entry[1] == tile.onLoadStart, "loadstart correctly unregistered");
|
|
|
|
entry = g_unregistered["loadend"];
|
|
t.ok( entry && entry[0] == layer && entry[1] == tile.onLoadEnd, "loadend correctly unregistered");
|
|
}
|
|
|
|
function test_Layer_Grid_tileSizeIsInteger(t) {
|
|
t.plan(1);
|
|
|
|
var map = new OpenLayers.Map('map');
|
|
var layer = new OpenLayers.Layer.Grid(name, url, params, {
|
|
singleTile: true,
|
|
ratio: 1.5
|
|
});
|
|
map.addLayers([layer]);
|
|
|
|
width = layer.tileSize.w;
|
|
height = layer.tileSize.h;
|
|
t.ok(width == parseInt(width) && height == parseInt(height), "calculated tileSize width/height are integer values");
|
|
}
|
|
function test_Layer_Grid_getTileBounds(t) {
|
|
t.plan(2);
|
|
var map = new OpenLayers.Map("map2", {zoomMethod: null});
|
|
var url = "http://octo.metacarta.com/cgi-bin/mapserv";
|
|
layer = new OpenLayers.Layer.WMS(name, url, params);
|
|
|
|
var newParams = { layers: 'sooper',
|
|
chickpeas: 'image/png'};
|
|
|
|
map.addLayer(layer);
|
|
map.zoomToMaxExtent();
|
|
map.zoomIn();
|
|
var bounds = layer.getTileBounds(new OpenLayers.Pixel(200,200));
|
|
t.eq(bounds.toBBOX(), "-180,-90,0,90", "get tile bounds returns correct bounds");
|
|
map.pan(200,0, {animate:false});
|
|
var bounds = layer.getTileBounds(new OpenLayers.Pixel(200,200));
|
|
t.eq(bounds.toBBOX(), "0,-90,180,90", "get tile bounds returns correct bounds after pan");
|
|
}
|
|
|
|
function test_Layer_Grid_moveTo_buffer_calculation (t) {
|
|
t.plan(6);
|
|
|
|
var map = new OpenLayers.Map( 'map3' ); // odd map size
|
|
var layer0 = new OpenLayers.Layer.WMS( "0 buffer: OpenLayers WMS",
|
|
"http://labs.metacarta.com/wms/vmap0",
|
|
{layers: 'basic'}, {'buffer':0} );
|
|
map.addLayer(layer0);
|
|
|
|
var layer1 = new OpenLayers.Layer.WMS( "1 buffer: OpenLayers WMS",
|
|
"http://labs.metacarta.com/wms/vmap0",
|
|
{layers: 'basic'}, {'buffer':1} );
|
|
map.addLayer(layer1);
|
|
|
|
var layer2 = new OpenLayers.Layer.WMS( "2 buffer: OpenLayers WMS",
|
|
"http://labs.metacarta.com/wms/vmap0",
|
|
{layers: 'basic'}, {'buffer':2} );
|
|
map.addLayer(layer2);
|
|
|
|
map.setCenter(new OpenLayers.LonLat(0, 0), 4);
|
|
t.eq( layer0.grid.length, 3, "Grid rows with buffer:0" );
|
|
map.setBaseLayer(layer1);
|
|
t.eq( layer1.grid.length, 5, "Grid rows with buffer:1" );
|
|
map.setBaseLayer(layer2);
|
|
t.eq( layer2.grid.length, 7, "Grid rows with buffer:2" );
|
|
|
|
// zooming in on Greenland exercises the bug from pre-r4313
|
|
map.setCenter(new OpenLayers.LonLat(0, 90), 4);
|
|
t.eq( layer0.grid.length, 3, "Grid rows with buffer:0" );
|
|
map.setBaseLayer(layer1);
|
|
t.eq( layer1.grid.length, 5, "Grid rows with buffer:1" );
|
|
map.setBaseLayer(layer2);
|
|
t.eq( layer2.grid.length, 7, "Grid rows with buffer:2" );
|
|
}
|
|
|
|
function test_Layer_Grid_destroy (t) {
|
|
|
|
t.plan( 9 );
|
|
|
|
var map = new OpenLayers.Map('map');
|
|
layer = new OpenLayers.Layer.Grid(name, url, params);
|
|
map.addLayer(layer);
|
|
layer.destroy();
|
|
t.eq( layer.grid, null, "layer.grid is null after destroy" );
|
|
t.eq( layer.tileSize, null, "layer.tileSize is null after destroy" );
|
|
|
|
|
|
//test with tile creation
|
|
layer = new OpenLayers.Layer.WMS(name, url, params);
|
|
map.addLayer(layer);
|
|
|
|
map.setCenter(new OpenLayers.LonLat(0,0), 10);
|
|
map.setCenter(new OpenLayers.LonLat(1,1));
|
|
|
|
//grab a reference to one of the tiles
|
|
var tile = layer.grid[1][1];
|
|
t.eq( tile.imgDiv.className, "olTileImage", "Tile has an image" );
|
|
|
|
var removeBackBufferCalled = false;
|
|
layer.removeBackBuffer = function() {
|
|
removeBackBufferCalled = true;
|
|
};
|
|
|
|
layer.destroy();
|
|
t.eq( tile.imgDiv, null, "Tile destroyed" );
|
|
t.eq( layer.timerId, null, "Tile loading timeout cleared");
|
|
t.ok( layer.grid == null, "tiles appropriately destroyed")
|
|
t.ok( removeBackBufferCalled, "destroy calls removeBackBuffer");
|
|
|
|
// destroy after remove from map
|
|
layer = new OpenLayers.Layer.WMS(name, url, params);
|
|
map.addLayer(layer);
|
|
map.setCenter(new OpenLayers.LonLat(0,0), 10);
|
|
map.removeLayer(layer);
|
|
layer.destroy();
|
|
t.eq( layer.grid, null, "layer.grid is null after destroy" );
|
|
t.eq( layer.tileSize, null, "layer.tileSize is null after destroy" );
|
|
}
|
|
|
|
function test_setOpacity(t) {
|
|
t.plan(5);
|
|
|
|
var map = new OpenLayers.Map('map');
|
|
var layer = new OpenLayers.Layer.WMS('', '', {}, {
|
|
isBaseLayer: true,
|
|
opacity: '0.6'
|
|
});
|
|
map.addLayer(layer);
|
|
// setCenter adds tiles to the layer's grid
|
|
map.setCenter(new OpenLayers.LonLat(0, 0), 5);
|
|
|
|
var tile = layer.grid[0][0], tileImg = tile.imgDiv;
|
|
|
|
tile.onImageLoad(); // simulate an image load event
|
|
t.eq(layer.opacity, '0.6', 'layer opacity value is correct');
|
|
t.eq(parseFloat(tileImg.style.opacity), 0.6, 'tile opacity is correct');
|
|
|
|
layer.setOpacity('0.2');
|
|
t.eq(layer.opacity, '0.2', 'layer opacity value is correct');
|
|
t.eq(parseFloat(tileImg.style.opacity), 0.2, 'tile opacity is correct');
|
|
|
|
tile = layer.addTile(new OpenLayers.Bounds(1, 2, 3, 4),
|
|
new OpenLayers.Pixel(5, 6));
|
|
tile.draw(); // add tile to the grid
|
|
tile.onImageLoad(); // simulate an image load event
|
|
t.eq(parseFloat(tile.imgDiv.style.opacity), 0.2, "tile opacity is correc");
|
|
|
|
map.destroy();
|
|
}
|
|
|
|
function test_getServerResolution(t) {
|
|
|
|
t.plan(4);
|
|
|
|
var layer = new OpenLayers.Layer.Grid('', '', {}, {});
|
|
var res;
|
|
|
|
res = layer.getServerResolution(1);
|
|
t.eq(res, 1, '[1] getServerResolution return value is correct');
|
|
|
|
layer.serverResolutions = [2, 1];
|
|
res = layer.getServerResolution(1);
|
|
t.eq(res, 1, '[2] getServerResolution return value is correct');
|
|
|
|
layer.serverResolutions = [2];
|
|
res = layer.getServerResolution(1);
|
|
t.eq(res, 2, '[3] getServerResolution return value is correct');
|
|
|
|
var exc;
|
|
layer.serverResolutions = [0.5];
|
|
res = layer.getServerResolution(1);
|
|
t.eq(res, 0.5, '[4] getServerResolution return value is correct');
|
|
}
|
|
|
|
function test_getServerZoom(t) {
|
|
|
|
t.plan(5);
|
|
|
|
var resolution, zoom;
|
|
var map = new OpenLayers.Map('map', {
|
|
resolutions: [8, 4, 2, 1, 0.5],
|
|
getResolution: function() {
|
|
return resolution;
|
|
}
|
|
});
|
|
var layer = new OpenLayers.Layer.WMS('', '', {}, {isBaseLayer: true});
|
|
map.addLayer(layer);
|
|
|
|
resolution = 8;
|
|
zoom = layer.getServerZoom();
|
|
t.eq(zoom, 0, '[1] getServerZoom return value is correct');
|
|
|
|
resolution = 4;
|
|
zoom = layer.getServerZoom();
|
|
t.eq(zoom, 1, '[2] getServerZoom return value is correct');
|
|
|
|
layer.serverResolutions = [2, 1];
|
|
resolution = 1;
|
|
zoom = layer.getServerZoom();
|
|
t.eq(zoom, 1, '[3] getServerZoom return value is correct');
|
|
|
|
layer.serverResolutions = [2];
|
|
resolution = 0.5;
|
|
zoom = layer.getServerZoom();
|
|
t.eq(zoom, 0, '[4] getServerZoom return value is correct');
|
|
|
|
var exc;
|
|
layer.serverResolutions = [0.5];
|
|
resolution = 1;
|
|
zoom = layer.getServerZoom();
|
|
t.eq(zoom, 0, '[4] getServerZoom return value is correct');
|
|
|
|
map.destroy();
|
|
}
|
|
|
|
function test_moveTo_scale(t) {
|
|
|
|
t.plan(11);
|
|
|
|
var map = new OpenLayers.Map('map', {
|
|
resolutions: [32, 16, 8, 4, 2, 1],
|
|
zoomMethod: null
|
|
});
|
|
var layer = new OpenLayers.Layer.WMS('', '', {}, {
|
|
isBaseLayer: true,
|
|
serverResolutions: [32, 16, 8]
|
|
});
|
|
map.addLayer(layer);
|
|
|
|
// initial resolution is 8
|
|
map.setCenter(new OpenLayers.LonLat(0, 0), 2);
|
|
|
|
// test initial conditions
|
|
t.eq(parseInt(layer.div.lastChild.style.width) / layer.tileSize.w, 1, 'layer div scale is 1');
|
|
|
|
// change from resolution 8 to 4
|
|
map.zoomTo(3);
|
|
t.eq(parseInt(layer.div.lastChild.style.width) / layer.tileSize.w, 2, '[8->4] layer div scale is 2');
|
|
|
|
// change from resolution 8 to 2
|
|
map.zoomTo(2); map.zoomTo(4);
|
|
t.eq(parseInt(layer.div.lastChild.style.width) / layer.tileSize.w, 4, '[8->2] layer div scale is 4');
|
|
|
|
// change from resolution 8 to 1
|
|
map.zoomTo(2); map.zoomTo(5);
|
|
t.eq(parseInt(layer.div.lastChild.style.width) / layer.tileSize.w, 8, '[8->1] layer div scale is 8');
|
|
|
|
// change from resolution 4 to 2
|
|
map.zoomTo(3); map.zoomTo(4);
|
|
t.eq(parseInt(layer.div.lastChild.style.width) / layer.tileSize.w, 4, '[4->2] layer div scale is 4');
|
|
|
|
// change from resolution 4 to 1
|
|
map.zoomTo(3); map.zoomTo(5);
|
|
t.eq(parseInt(layer.div.lastChild.style.width) / layer.tileSize.w, 8, '[4->1] layer div scale is 8');
|
|
|
|
// change from resolution 2 to 1
|
|
map.zoomTo(4); map.zoomTo(5);
|
|
t.eq(parseInt(layer.div.lastChild.style.width) / layer.tileSize.w, 8, '[2->1] layer div scale is 8');
|
|
|
|
// change from resolution 1 to 2
|
|
map.zoomTo(5); map.zoomTo(4);
|
|
t.eq(parseInt(layer.div.lastChild.style.width) / layer.tileSize.w, 4, '[1->2] layer div scale is 4');
|
|
|
|
// change from resolution 1 to 4
|
|
map.zoomTo(5); map.zoomTo(3);
|
|
t.eq(parseInt(layer.div.lastChild.style.width) / layer.tileSize.w, 2, '[1->4] layer div scale is 2');
|
|
|
|
// change from resolution 1 to 8
|
|
map.zoomTo(5); map.zoomTo(2);
|
|
t.eq(parseInt(layer.div.lastChild.style.width) / layer.tileSize.w, 1, '[1->8] layer div scale is 1');
|
|
|
|
// change from resolution 1 to 16
|
|
map.zoomTo(5); map.zoomTo(1);
|
|
t.eq(parseInt(layer.div.lastChild.style.width) / layer.tileSize.w, 1, '[1->16] layer div scale is 1');
|
|
|
|
map.destroy();
|
|
}
|
|
|
|
function test_moveTo_backbuffer_singletile(t) {
|
|
t.plan(4);
|
|
|
|
var map = new OpenLayers.Map('map', {
|
|
resolutions: [1, 0.5, 0.025],
|
|
zoomMethod: null
|
|
});
|
|
var resolution;
|
|
var layer = new OpenLayers.Layer.WMS('', '', {}, {
|
|
singleTile: true,
|
|
isBaseLayer: true,
|
|
transitionEffect: 'resize',
|
|
applyBackBuffer: function(res) {
|
|
resolution = res;
|
|
}
|
|
});
|
|
map.addLayer(layer);
|
|
|
|
// initial resolution is 0.025
|
|
resolution = undefined;
|
|
map.setCenter(new OpenLayers.LonLat(0, 0), 2);
|
|
t.eq(resolution, 0.025,
|
|
'applyBackBuffer not called on first moveTo');
|
|
|
|
// move to (-90, 45)
|
|
resolution = undefined;
|
|
map.setCenter(new OpenLayers.LonLat(-90, 45));
|
|
t.eq(resolution, 0.025,
|
|
'applyBackBuffer called when map is moved');
|
|
|
|
// change to resolution 1
|
|
resolution = undefined;
|
|
map.zoomTo(0);
|
|
t.eq(resolution, 1,
|
|
'applyBackBuffer called when map is zoomed out');
|
|
|
|
// change to resolution 0.5
|
|
resolution = undefined;
|
|
map.zoomTo(1);
|
|
t.eq(resolution, 0.5,
|
|
'applyBackBuffer called when map is zoomed out');
|
|
|
|
map.destroy();
|
|
}
|
|
|
|
function test_moveTo_backbuffer(t) {
|
|
t.plan(4);
|
|
|
|
var map = new OpenLayers.Map('map', {
|
|
resolutions: [1, 0.5, 0.025],
|
|
zoomMethod: null
|
|
});
|
|
var resolution;
|
|
var layer = new OpenLayers.Layer.WMS('', '', {}, {
|
|
isBaseLayer: true,
|
|
transitionEffect: 'resize',
|
|
applyBackBuffer: function(res) {
|
|
resolution = res;
|
|
}
|
|
});
|
|
map.addLayer(layer);
|
|
|
|
// initial resolution is 0.025
|
|
resolution = undefined;
|
|
map.setCenter(new OpenLayers.LonLat(0, 0), 2);
|
|
t.eq(resolution, 0.025,
|
|
'applyBackBuffer not called on first moveTo');
|
|
|
|
// move to (-90, 45)
|
|
resolution = undefined;
|
|
map.setCenter(new OpenLayers.LonLat(-90, 45));
|
|
t.eq(resolution, undefined,
|
|
'applyBackBuffer not called when map is moved');
|
|
|
|
// change to resolution 1
|
|
resolution = undefined;
|
|
map.zoomTo(0);
|
|
t.eq(resolution, 1,
|
|
'applyBackBuffer called when map is zoomed out');
|
|
|
|
// change to resolution 0.5
|
|
map.zoomTo(1);
|
|
t.eq(resolution, 0.5,
|
|
'applyBackBuffer called when map is zoomed out');
|
|
|
|
map.destroy();
|
|
}
|
|
|
|
function test_applyBackBuffer(t) {
|
|
t.plan(12);
|
|
|
|
var map = new OpenLayers.Map('map2');
|
|
var layer = new OpenLayers.Layer.WMS('', '', {}, {
|
|
isBaseLayer: true
|
|
});
|
|
map.addLayer(layer);
|
|
map.zoomToMaxExtent();
|
|
|
|
var backBuffer;
|
|
|
|
// test #1
|
|
layer.createBackBuffer = function() {
|
|
return;
|
|
};
|
|
layer.applyBackBuffer(2);
|
|
t.eq(layer.backBuffer, undefined,
|
|
'back buffer not created if createBackBuffer returns undefined');
|
|
|
|
// test #2
|
|
layer.createBackBuffer = function() {
|
|
backBuffer = document.createElement('div');
|
|
return backBuffer;
|
|
};
|
|
layer.gridResolution = 32;
|
|
layer.backBufferResolution = 2;
|
|
layer.grid[0][0].bounds = new OpenLayers.Bounds(0, 1, 1, 0);
|
|
layer.applyBackBuffer(2);
|
|
t.ok(layer.backBuffer === backBuffer,
|
|
'back buffer set in layer');
|
|
t.ok(map.layerContainerDiv.firstChild === backBuffer,
|
|
'back buffer inserted as first child');
|
|
t.eq(layer.backBuffer.style.left, '250px',
|
|
'back buffer has correct left');
|
|
t.eq(layer.backBuffer.style.top, '275px',
|
|
'back buffer has correct top');
|
|
|
|
// test #3
|
|
layer.createBackBuffer = function() {
|
|
backBuffer = document.createElement('div');
|
|
return backBuffer;
|
|
};
|
|
layer.gridResolution = 32;
|
|
layer.backBufferResolution = 2;
|
|
layer.grid[0][0].bounds = new OpenLayers.Bounds(0, 1, 1, 0);
|
|
map.layerContainerOriginPx.x = 20;
|
|
map.layerContainerOriginPx.y = -20;
|
|
layer.applyBackBuffer(2);
|
|
t.ok(layer.backBuffer === backBuffer,
|
|
'back buffer set in layer');
|
|
t.ok(map.layerContainerDiv.firstChild === backBuffer,
|
|
'back buffer inserted as first child');
|
|
t.eq(layer.backBuffer.style.left, '230px',
|
|
'back buffer has correct left');
|
|
t.eq(layer.backBuffer.style.top, '295px',
|
|
'back buffer has correct top');
|
|
|
|
// test #4
|
|
// and a back buffer in the layer and do as if back buffer removal
|
|
// has been scheduled, and test that applyBackBuffer removes the
|
|
// back buffer and clears the timer
|
|
layer.createBackBuffer = function() {
|
|
return;
|
|
};
|
|
backBuffer = document.createElement('div');
|
|
map.layerContainerDiv.insertBefore(backBuffer, map.baseLayer.div);
|
|
layer.backBuffer = backBuffer;
|
|
layer.backBufferTimerId = 'fake';
|
|
layer.applyBackBuffer(2);
|
|
t.ok(backBuffer !== map.layerContainerDiv.firstChild,
|
|
'back buffer is not first child of layer container div');
|
|
t.eq(layer.backBuffer, null,
|
|
'back buffer not set in layer');
|
|
t.eq(layer.backBufferTimerId, null,
|
|
'back buffer timer cleared');
|
|
map.destroy();
|
|
}
|
|
|
|
function test_createBackBuffer(t) {
|
|
t.plan(7);
|
|
|
|
var map = new OpenLayers.Map('map');
|
|
var layer = new OpenLayers.Layer.WMS('', '', {}, {
|
|
isBaseLayer: true
|
|
});
|
|
map.addLayer(layer);
|
|
map.zoomToMaxExtent();
|
|
|
|
var createBackBuffer = OpenLayers.Tile.Image.prototype.createBackBuffer;
|
|
|
|
var backBuffer;
|
|
|
|
OpenLayers.Tile.Image.prototype.createBackBuffer = function() {
|
|
return;
|
|
};
|
|
backBuffer = layer.createBackBuffer();
|
|
t.ok(backBuffer != undefined,
|
|
'createBackBuffer returns a back buffer');
|
|
t.eq(backBuffer.childNodes.length, 0,
|
|
'returned back buffer has no child nodes');
|
|
|
|
OpenLayers.Tile.Image.prototype.createBackBuffer = function() {
|
|
return document.createElement('div');
|
|
};
|
|
backBuffer = layer.createBackBuffer();
|
|
layer.backBufferResolution = 1;
|
|
layer.gridResolution = 1;
|
|
layer.backBuffer = backBuffer;
|
|
layer.div.appendChild(backBuffer);
|
|
layer.backBufferLonLat = {lon: 0, lat: 0};
|
|
layer.applyBackBuffer(1);
|
|
t.ok(backBuffer != undefined,
|
|
'createBackBuffer returns a back buffer');
|
|
t.eq(backBuffer.childNodes[0].style.left, '0px',
|
|
'first tile has correct left');
|
|
t.eq(backBuffer.childNodes[0].style.top, '0px',
|
|
'first tile has correct top');
|
|
t.eq(backBuffer.childNodes[1].style.left, '256px',
|
|
'second tile has correct left');
|
|
t.eq(backBuffer.childNodes[1].style.top, '0px',
|
|
'second tile has correct top');
|
|
|
|
map.destroy();
|
|
OpenLayers.Tile.Image.prototype.createBackBuffer = createBackBuffer;
|
|
}
|
|
|
|
function test_removeBackBuffer(t) {
|
|
t.plan(3);
|
|
|
|
var map = new OpenLayers.Map('map');
|
|
var layer = new OpenLayers.Layer.WMS('', '', {}, {isBaseLayer: true});
|
|
map.addLayer(layer);
|
|
|
|
// add a fake back buffer
|
|
var backBuffer = document.createElement('div');
|
|
layer.backBuffer = backBuffer;
|
|
layer.div.appendChild(backBuffer);
|
|
layer.backBufferResolution = 32;
|
|
|
|
layer.removeBackBuffer();
|
|
t.eq(layer.backBuffer, null, 'backBuffer set to null in layer');
|
|
t.eq(layer.backBufferResolution, null,
|
|
'backBufferResolution set to null in layer');
|
|
t.ok(backBuffer.parentNode !== layer.div,
|
|
'back buffer removed from layer');
|
|
|
|
map.destroy();
|
|
}
|
|
|
|
function test_backbuffer_replace(t) {
|
|
t.plan(6);
|
|
var map = new OpenLayers.Map('map');
|
|
var layer = new OpenLayers.Layer.WMS('', '../../img/blank.gif');
|
|
map.addLayer(layer);
|
|
map.zoomToMaxExtent();
|
|
|
|
t.delay_call(1, function() {
|
|
layer.mergeNewParams({foo: 'bar'});
|
|
var tile = layer.grid[1][1];
|
|
t.ok(OpenLayers.Element.hasClass(tile.imgDiv, 'olTileReplacing'), 'tile is marked for being replaced');
|
|
t.ok(document.getElementById(tile.id + '_bb'), 'backbuffer created for tile');
|
|
// simulate a css declaration where '.olTileReplacing' sets display
|
|
// to none.
|
|
tile.imgDiv.style.display = 'none';
|
|
tile.onImageLoad();
|
|
t.ok(!OpenLayers.Element.hasClass(tile.imgDiv, 'olTileReplacing'), 'tile replaced, no longer marked');
|
|
t.ok(!document.getElementById(tile.id + '_bb'), 'backbuffer removed for tile');
|
|
|
|
layer.mergeNewParams({foo: 'baz'});
|
|
tile = layer.grid[1][1];
|
|
// simulate a css declaration where '.olTileReplacing' does not set
|
|
// display to none.
|
|
tile.imgDiv.style.display = 'block';
|
|
tile.onImageLoad();
|
|
t.ok(!OpenLayers.Element.hasClass(tile.imgDiv, 'olTileReplacing'), 'tile replaced, no longer marked');
|
|
t.ok(document.getElementById(tile.id + '_bb'), 'backbuffer not removed for visible tile');
|
|
});
|
|
}
|
|
|
|
function test_backbuffer_replace_singleTile(t) {
|
|
t.plan(1);
|
|
var map = new OpenLayers.Map('map');
|
|
var layer = new OpenLayers.Layer.WMS('', '../../img/blank.gif', null, {
|
|
singleTile: true,
|
|
transitionEffect: 'resize'
|
|
});
|
|
map.addLayer(layer);
|
|
map.zoomToMaxExtent();
|
|
|
|
t.delay_call(1, function() {
|
|
map.zoomIn();
|
|
var tile = layer.grid[0][0];
|
|
t.ok(!OpenLayers.Element.hasClass(tile.imgDiv, 'olTileReplacing'), 'tile is not marked for being replaced for singleTile layers');
|
|
});
|
|
}
|
|
|
|
function test_singleTile_move_and_zoom(t) {
|
|
|
|
//
|
|
// In single tile mode with no transition effect, we insert a non-scaled
|
|
// backbuffer when the layer is moved. But if a zoom occurs right after
|
|
// a move, i.e. before the new image is received, we need to remove the
|
|
// backbuffer, or an ill-positioned image will be visible during the
|
|
// zoom transition.
|
|
//
|
|
|
|
t.plan(4);
|
|
|
|
var map = new OpenLayers.Map('map', {zoomMethod: null});
|
|
var layer = new OpenLayers.Layer.WMS('', '', {}, {
|
|
isBaseLayer: true,
|
|
transitionEffect: null,
|
|
singleTile: true,
|
|
ratio: 1.1
|
|
});
|
|
map.addLayer(layer);
|
|
map.setCenter(new OpenLayers.LonLat(0, 0), 0);
|
|
|
|
// move
|
|
map.setCenter(new OpenLayers.LonLat(50, 50));
|
|
t.ok(layer.backBuffer && layer.backBuffer.parentNode === layer.div,
|
|
'backbuffer inserted after map move');
|
|
t.eq(layer.backBuffer.style.left, '-25px');
|
|
t.eq(layer.backBuffer.style.top, '-28px');
|
|
// zoom
|
|
map.zoomTo(1);
|
|
t.eq(layer.backBuffer, null,
|
|
'back buffer removed when zooming');
|
|
|
|
map.destroy();
|
|
}
|
|
|
|
function test_backbuffer_scaled_layer(t) {
|
|
t.plan(12);
|
|
|
|
//
|
|
// set up
|
|
//
|
|
|
|
var map = new OpenLayers.Map('map', {
|
|
resolutions: [32, 16, 8, 4, 2, 1],
|
|
zoomMethod: null
|
|
});
|
|
var layer = new OpenLayers.Layer.WMS(
|
|
"WMS",
|
|
window.location.href + "#",
|
|
null,
|
|
{transitionEffect: "resize"}
|
|
);
|
|
|
|
layer.serverResolutions = [32, 16, 8];
|
|
|
|
map.addLayer(layer);
|
|
map.setCenter(new OpenLayers.LonLat(0, 0), 2);
|
|
|
|
var origCreateBackBuffer = OpenLayers.Tile.Image.prototype.createBackBuffer;
|
|
OpenLayers.Tile.Image.prototype.createBackBuffer = function() {
|
|
return document.createElement('div');
|
|
};
|
|
|
|
// we want to control when the back buffer is removed
|
|
var removeBackBuffer = OpenLayers.Function.bind(
|
|
layer.removeBackBuffer, layer);
|
|
layer.removeBackBuffer = function() {};
|
|
|
|
//
|
|
// test
|
|
//
|
|
|
|
// change resolution from 8 to 4
|
|
map.zoomTo(3);
|
|
t.eq(parseInt(layer.backBuffer.firstChild.style.width) / parseInt(layer.div.lastChild.style.width), 1,
|
|
'[8->4] back buffer not scaled');
|
|
removeBackBuffer();
|
|
|
|
// change resolution from 8 to 2
|
|
map.zoomTo(2); removeBackBuffer(); map.zoomTo(4);
|
|
t.eq(parseInt(layer.backBuffer.firstChild.style.width) / parseInt(layer.div.lastChild.style.width), 1,
|
|
'[8->2] back buffer not scaled');
|
|
removeBackBuffer();
|
|
|
|
// change resolution from 16 to 4
|
|
map.zoomTo(1); removeBackBuffer(); map.zoomTo(3);
|
|
t.eq(parseInt(layer.backBuffer.firstChild.style.width) / parseInt(layer.div.lastChild.style.width), 2,
|
|
'[16->4] back buffer width is as expected');
|
|
t.eq(parseInt(layer.backBuffer.firstChild.style.height) / parseInt(layer.div.lastChild.style.height), 2,
|
|
'[16->4] back buffer height is as expected');
|
|
removeBackBuffer();
|
|
|
|
// change resolution from 32 to 1
|
|
map.zoomTo(0); removeBackBuffer(); map.zoomTo(5);
|
|
t.eq(parseInt(layer.backBuffer.firstChild.style.width) / parseInt(layer.div.lastChild.style.width), 4,
|
|
'[32->1] back buffer width is as expected');
|
|
t.eq(parseInt(layer.backBuffer.firstChild.style.height) / parseInt(layer.div.lastChild.style.height), 4,
|
|
'[32->1] back buffer height is as expected');
|
|
removeBackBuffer();
|
|
|
|
// change resolution from 4 to 2
|
|
map.zoomTo(3); removeBackBuffer(); map.zoomTo(4);
|
|
t.eq(parseInt(layer.backBuffer.firstChild.style.width) / parseInt(layer.div.lastChild.style.width), 1,
|
|
'[4->2] back buffer not scaled');
|
|
removeBackBuffer();
|
|
|
|
// change resolution from 4 to 1
|
|
map.zoomTo(3); removeBackBuffer(); map.zoomTo(5);
|
|
t.eq(parseInt(layer.backBuffer.firstChild.style.width) / parseInt(layer.div.lastChild.style.width), 1,
|
|
'[4->1] back buffer not scaled');
|
|
removeBackBuffer();
|
|
|
|
// change resolution from 1 to 4
|
|
map.zoomTo(5); removeBackBuffer(); map.zoomTo(3);
|
|
t.eq(parseInt(layer.backBuffer.firstChild.style.width) / parseInt(layer.div.lastChild.style.width), 1,
|
|
'[1->4] back buffer not scaled');
|
|
removeBackBuffer();
|
|
|
|
// change resolution from 4 to 8
|
|
map.zoomTo(3); removeBackBuffer(); map.zoomTo(2);
|
|
t.eq(parseInt(layer.backBuffer.firstChild.style.width) / parseInt(layer.div.lastChild.style.width), 1,
|
|
'[4->8] back buffer not scaled');
|
|
removeBackBuffer();
|
|
|
|
// change resolution from 4 to 16
|
|
map.zoomTo(3); removeBackBuffer(); map.zoomTo(1);
|
|
t.eq(parseInt(layer.backBuffer.firstChild.style.width) / parseInt(layer.div.lastChild.style.width), 0.5,
|
|
'[4->16] back buffer width is as expected');
|
|
t.eq(parseInt(layer.backBuffer.firstChild.style.height) / parseInt(layer.div.lastChild.style.height), 0.5,
|
|
'[4->16] back buffer height is as expected');
|
|
removeBackBuffer();
|
|
|
|
//
|
|
// tear down
|
|
//
|
|
|
|
map.destroy();
|
|
OpenLayers.Tile.Image.prototype.createBackBuffer = origCreateBackBuffer
|
|
}
|
|
|
|
|
|
function test_delayed_back_buffer_removal(t) {
|
|
//
|
|
// Test that the delaying of the back buffer removal behaves
|
|
// as expected.
|
|
//
|
|
|
|
t.plan(5);
|
|
|
|
// set up
|
|
|
|
var map = new OpenLayers.Map('map', {
|
|
resolutions: [32, 16, 8, 4, 2, 1],
|
|
zoomMethod: null
|
|
});
|
|
var layer = new OpenLayers.Layer.WMS('', '', {}, {
|
|
isBaseLayer: true,
|
|
transitionEffect: 'resize'
|
|
});
|
|
map.addLayer(layer);
|
|
map.setCenter(new OpenLayers.LonLat(0, 0), 0);
|
|
|
|
map.zoomTo(1);
|
|
|
|
t.ok(layer.backBuffer === map.layerContainerDiv.firstChild,
|
|
'[a] back buffer is first child of layer container div');
|
|
|
|
// Mark one tile loaded, to see if back buffer removal gets scheduled.
|
|
layer.grid[1][1].onImageLoad();
|
|
|
|
t.ok(layer.backBufferTimerId !== null,
|
|
'[a] back buffer scheduled for removal');
|
|
|
|
var backBuffer = layer.backBuffer;
|
|
|
|
map.zoomTo(2);
|
|
|
|
t.ok(layer.backBuffer !== backBuffer,
|
|
'[b] a new back buffer was created');
|
|
t.ok(layer.backBuffer === map.layerContainerDiv.firstChild,
|
|
'[b] back buffer is first child of layer container div');
|
|
t.ok(layer.backBufferTimerId === null,
|
|
'[b] back buffer no longer scheduled for removal');
|
|
|
|
// tear down
|
|
|
|
map.destroy();
|
|
}
|
|
|
|
function test_getGridData(t) {
|
|
t.plan(12);
|
|
|
|
var layer = new OpenLayers.Layer.Grid(null, null, null, {
|
|
isBaseLayer: true, getURL: function() {
|
|
return "/bogus/path/to/tile";
|
|
}
|
|
});
|
|
var map = new OpenLayers.Map({
|
|
div: "map",
|
|
layers: [layer],
|
|
controls: [],
|
|
center: [0, 0],
|
|
zoom: 1
|
|
});
|
|
|
|
// get tile data for [0, 0]
|
|
var data = layer.getTileData({lon: 0, lat: 0});
|
|
t.ok(data && data.tile, "[0, 0]: got tile data");
|
|
t.eq(data.i, 0, "[0, 0]: i");
|
|
t.eq(data.j, 128, "[0, 0]: j");
|
|
t.ok(
|
|
data.tile.bounds.equals({left: 0, bottom: -90, right: 180, top: 90}),
|
|
"[0, 0]: tile bounds " + data.tile.bounds.toString()
|
|
);
|
|
|
|
// get tile data for [-110, 45]
|
|
data = layer.getTileData({lon: -110, lat: 45});
|
|
t.ok(data && data.tile, "[-110, 45]: got tile data");
|
|
t.eq(data.i, 99, "[-110, 45]: i");
|
|
t.eq(data.j, 64, "[-110, 45]: j");
|
|
t.ok(
|
|
data.tile.bounds.equals({left: -180, bottom: -90, right: 0, top: 90}),
|
|
"[-110, 45]: tile bounds " + data.tile.bounds.toString()
|
|
);
|
|
|
|
// get tile data for [0, 300] (north of grid)
|
|
data = layer.getTileData({lon: 0, lat: 300})
|
|
t.eq(data, null, "[0, 300]: north of grid");
|
|
|
|
// get tile data for [400, 0] (east of grid)
|
|
data = layer.getTileData({lon: 400, lat: 0})
|
|
t.eq(data, null, "[400, 0]: east of grid");
|
|
|
|
// get tile data for [0, -500] (south of grid)
|
|
data = layer.getTileData({lon: 0, lat: -500})
|
|
t.eq(data, null, "[0, -500]: south of grid");
|
|
|
|
// get tile data for [-200, 0] (west of grid)
|
|
data = layer.getTileData({lon: -200, lat: 0})
|
|
t.eq(data, null, "[-200, 0]: west of grid");
|
|
|
|
map.destroy();
|
|
|
|
}
|
|
|
|
function test_getGridData_wrapped(t) {
|
|
t.plan(18);
|
|
|
|
var layer = new OpenLayers.Layer.Grid(null, null, null, {
|
|
isBaseLayer: true, getURL: function() {
|
|
return "/bogus/path/to/tile";
|
|
},
|
|
wrapDateLine: true
|
|
});
|
|
var map = new OpenLayers.Map({
|
|
div: "map",
|
|
layers: [layer],
|
|
controls: [],
|
|
center: [-50, 0],
|
|
zoom: 1
|
|
});
|
|
|
|
// get tile data for [0, 0]
|
|
var data = layer.getTileData({lon: 0, lat: 0});
|
|
t.ok(data && data.tile, "[0, 0]: got tile data");
|
|
t.eq(data.i, 0, "[0, 0]: i");
|
|
t.eq(data.j, 128, "[0, 0]: j");
|
|
t.ok(
|
|
data.tile.bounds.equals({left: 0, bottom: -90, right: 180, top: 90}),
|
|
"[0, 0]: tile bounds " + data.tile.bounds.toString()
|
|
);
|
|
|
|
// get tile data for [-110, 45]
|
|
data = layer.getTileData({lon: -110, lat: 45});
|
|
t.ok(data && data.tile, "[-110, 45]: got tile data");
|
|
t.eq(data.i, 99, "[-110, 45]: i");
|
|
t.eq(data.j, 64, "[-110, 45]: j");
|
|
t.ok(
|
|
data.tile.bounds.equals({left: -180, bottom: -90, right: 0, top: 90}),
|
|
"[-110, 45]: tile bounds " + data.tile.bounds.toString()
|
|
);
|
|
|
|
// get tile data for [0, 300] (north of grid)
|
|
data = layer.getTileData({lon: 0, lat: 300})
|
|
t.eq(data, null, "[0, 300]: north of grid");
|
|
|
|
// get tile data for [400, 0] (equivalent to [40, 0] and visible on map)
|
|
data = layer.getTileData({lon: 400, lat: 0})
|
|
t.ok(data && data.tile, "[400, 0]: got tile data");
|
|
t.eq(data.i, 56, "[400, 0]: i");
|
|
t.eq(data.j, 128, "[400, 0]: j");
|
|
t.ok(
|
|
data.tile.bounds.equals({left: 0, bottom: -90, right: 180, top: 90}),
|
|
"[400, 0]: tile bounds " + data.tile.bounds.toString()
|
|
);
|
|
|
|
// get tile data for [0, -500] (south of grid)
|
|
data = layer.getTileData({lon: 0, lat: -500})
|
|
t.eq(data, null, "[0, -500]: south of grid");
|
|
|
|
// get tile data for [-200, 0] (equivalent to [160, 0] and wrapped to west side map)
|
|
data = layer.getTileData({lon: -200, lat: 0})
|
|
t.ok(data && data.tile, "[-200, 0]: got tile data");
|
|
t.eq(data.i, 227, "[-200, 0]: i");
|
|
t.eq(data.j, 128, "[-200, 0]: j");
|
|
t.ok(
|
|
data.tile.bounds.equals({left: 0, bottom: -90, right: 180, top: 90}),
|
|
"[-200, 0]: tile bounds " + data.tile.bounds.toString()
|
|
);
|
|
|
|
map.destroy();
|
|
|
|
}
|
|
|
|
function test_removeExcessTiles(t) {
|
|
t.plan(15);
|
|
|
|
/*
|
|
* Set up
|
|
*/
|
|
|
|
var map = new OpenLayers.Map('map');
|
|
var layer = new OpenLayers.Layer.Grid('name', '/url',
|
|
{}, {isBaseLayer: true});
|
|
map.addLayer(layer);
|
|
|
|
function newTile(id) {
|
|
var t = new OpenLayers.Tile(layer,
|
|
new OpenLayers.Pixel(1, 1),
|
|
new OpenLayers.Bounds(1, 1, 1, 1));
|
|
t._id = id;
|
|
return t;
|
|
}
|
|
|
|
layer.grid = [
|
|
[newTile(1), newTile(2), newTile(3)],
|
|
[newTile(4), newTile(5)],
|
|
[newTile(6), newTile(7), newTile(8)]
|
|
];
|
|
|
|
// create a clone to be able to test whether
|
|
// tiles have been destroyed or not
|
|
var grid = [
|
|
layer.grid[0].slice(),
|
|
layer.grid[1].slice(),
|
|
layer.grid[2].slice()
|
|
];
|
|
|
|
/*
|
|
* Test
|
|
*/
|
|
|
|
layer.removeExcessTiles(2, 2);
|
|
|
|
t.eq(layer.grid.length, 2, 'grid has two rows');
|
|
t.eq(layer.grid[0].length, 2, 'row #1 has two columns');
|
|
t.eq(layer.grid[0][0]._id, 1, 'row #1 col #1 includes expected tile');
|
|
t.eq(layer.grid[0][1]._id, 2, 'row #1 col #2 includes expected tile');
|
|
t.eq(layer.grid[1].length, 2, 'row #2 has two columns');
|
|
t.eq(layer.grid[1][0]._id, 4, 'row #2 col #1 includes expected tile');
|
|
t.eq(layer.grid[1][1]._id, 5, 'row #2 col #2 includes expected tile');
|
|
|
|
t.ok(grid[0][0].events != null, 'tile 0,0 not destroyed');
|
|
t.ok(grid[0][1].events != null, 'tile 0,1 not destroyed');
|
|
t.ok(grid[0][2].events == null, 'tile 0,2 destroyed');
|
|
t.ok(grid[1][0].events != null, 'tile 1,0 not destroyed');
|
|
t.ok(grid[1][1].events != null, 'tile 1,1 not destroyed');
|
|
t.ok(grid[2][0].events == null, 'tile 2,0 destroyed');
|
|
t.ok(grid[2][1].events == null, 'tile 2,1 destroyed');
|
|
t.ok(grid[2][2].events == null, 'tile 2,2 destroyed');
|
|
|
|
/*
|
|
* Tear down
|
|
*/
|
|
|
|
map.destroy();
|
|
}
|
|
|
|
function test_addOptions(t) {
|
|
t.plan(15);
|
|
var map = new OpenLayers.Map('map');
|
|
layer = new OpenLayers.Layer.WMS(name, url, params, {buffer:2});
|
|
map.addLayer(layer);
|
|
t.eq(layer.tileSize, map.getTileSize(), "layer's tile size is equal to the map's tile size");
|
|
t.ok(layer.removeBackBufferDelay !== 0, "removeBackBufferDelay should not be 0 since we are not singleTile");
|
|
t.eq(layer.className, "olLayerGrid", "className correct for gridded mode");
|
|
map.setCenter(new OpenLayers.LonLat(0,0),5);
|
|
t.eq(layer.grid.length, 8, "Grid rows is correct.");
|
|
t.eq(layer.grid[0].length, 7, "Grid cols is correct.");
|
|
t.eq(layer.singleTile, false, "singleTile is false by default");
|
|
layer.addOptions({singleTile: true});
|
|
t.eq(layer.removeBackBufferDelay, 0, "removeBackBufferDelay set to 0 since singleTile is true");
|
|
t.eq(layer.singleTile, true, "singleTile set to true");
|
|
t.eq(layer.className, "olLayerGridSingleTile", "className correct for singleTile mode");
|
|
t.eq(layer.grid.length, 1, "Grid rows is correct.");
|
|
t.eq(layer.grid[0].length, 1, "Grid cols is correct.");
|
|
t.eq(layer.tileSize, new OpenLayers.Size(748, 823), "tile size changed");
|
|
layer.addOptions({singleTile: false});
|
|
t.eq(layer.grid.length, 8, "Grid rows is correct.");
|
|
t.eq(layer.grid[0].length, 7, "Grid cols is correct.");
|
|
t.eq(layer.tileSize, map.getTileSize(), "layer's tile size is equal to the map's tile size");
|
|
map.destroy();
|
|
}
|
|
|
|
</script>
|
|
</head>
|
|
<body>
|
|
<div id="map" style="width:499px;height:549px;display:none"></div>
|
|
<div id="map2" style="width:500px;height:550px;display:none"></div>
|
|
<div id="map3" style="width:594px;height:464px;display:none"></div>
|
|
<div id="map4" style="width:768px;height:512px;display:none"></div>
|
|
</body>
|
|
</html>
|