test_Layer_TMS.html
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<html>
<head>
<script src="../lib/OpenLayers.js"></script>
<script type="text/javascript"><!--
var isMozilla = (navigator.userAgent.indexOf("compatible") == -1);
var layer;
var name = 'Test Layer';
var url = "http://labs.metacarta.com/wms-c/Basic.py/";
var options = {'layername':'basic', 'type':'png'};
function test_01_Layer_TMS_constructor (t) {
t.plan( 1 );
layer = new OpenLayers.Layer.TMS(name, url, options);
t.ok( layer instanceof OpenLayers.Layer.TMS, "returns OpenLayers.Layer.TMS object" );
}
function test_03_Layer_TMS_clearTiles (t) {
t.plan( 1 );
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.TMS(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" );
}
function test_04_Layer_TMS_getTMSBounds(t) {
t.plan( 1 );
layer = new OpenLayers.Layer.TMS(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.getGridBounds();
var testBounds = new OpenLayers.Bounds(1,2,3,4);
t.ok( bounds.equals(testBounds), "getTMSBounds() returns correct bounds")
layer.grid = null;
}
function test_05_Layer_TMS_getResolution(t) {
t.plan( 1 );
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.TMS(name, url, options);
map.addLayer(layer);
map.zoom = 5;
t.eq( layer.getResolution(), 0.0439453125, "getResolution() returns correct value");
}
function test_06_Layer_TMS_getZoomForExtent(t) {
t.plan( 2 );
var bounds, zoom;
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.TMS(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");
}
/** THIS WOULD BE WHERE THE TESTS WOULD GO FOR
*
* -moveTo
* -insertColumn
* -insertRow
function 07_Layer_TMS_moveTo(t) {
}
function 08_Layer_TMS_insertColumn(t) {
}
function 09_Layer_TMS_insertRow(t) {
}
*
*/
function test_10_Layer_TMS_getURL(t) {
t.plan(1);
var map = new OpenLayers.Map('map', options);
var options = {'layername':'basic', 'type':'png'};
layer = new OpenLayers.Layer.TMS(name, url, options);
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/9/261/192.png", "Tile URL is correct");
}
function test_11_Layer_TMS_setMap(t) {
t.plan(3);
var map = new OpenLayers.Map('map', options);
layer = new OpenLayers.Layer.TMS(name, url, options);
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");
}
function test_99_Layer_TMS_destroy (t) {
t.plan( 3 );
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.TMS(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.TMS(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");
}
// -->
</script>
</head>
<body>
<div id="map" style="width:500px;height:550px"></div>
</body>
</html>