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