Files
openlayers/tests/Layer/test_Image.html
crschmidt b5103eb8ce Pullup r2999:3087 for RC2.
svn merge trunk/openlayers/@2999 trunk/openlayers/@HEAD branches/openlayers/2.4/



git-svn-id: http://svn.openlayers.org/branches/openlayers/2.4@3088 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2007-04-20 01:10:43 +00:00

109 lines
5.3 KiB
HTML

<html>
<head>
<script src="../../lib/OpenLayers.js"></script>
<script type="text/javascript"><!--
var layer;
function test_01_Layer_Image_constructor (t) {
t.plan( 13 );
var options = { chicken: 151, foo: "bar", projection: "none" };
var layer = new OpenLayers.Layer.Image('Test Layer',
'http://earthtrends.wri.org/images/maps/4_m_citylights_lg.gif',
new OpenLayers.Bounds(-180, -88.759, 180, 88.759),
new OpenLayers.Size(580, 288), options);
t.ok( layer instanceof OpenLayers.Layer.Image, "new OpenLayers.Layer.Image returns object" );
t.eq( layer.CLASS_NAME, "OpenLayers.Layer.Image", "CLASS_NAME variable set correctly");
t.eq( layer.name, "Test Layer", "layer.name is correct" );
t.ok( layer.id != null, "Layer is given an id");
t.eq( layer.projection, "none", "default layer projection correctly set");
t.ok( ((layer.chicken == 151) && (layer.foo == "bar")), "layer.options correctly set to Layer Object" );
t.ok( ((layer.options["chicken"] == 151) && (layer.options["foo"] == "bar")), "layer.options correctly backed up" );
options.chicken = 552;
t.eq( layer.options["chicken"], 151 , "layer.options correctly made fresh copy" );
t.eq( layer.isBaseLayer, true, "Default img layer is base layer" );
layer = new OpenLayers.Layer.Image('Test Layer',
'http://earthtrends.wri.org/images/maps/4_m_citylights_lg.gif',
new OpenLayers.Bounds(-180, -88.759, 180, 88.759),
new OpenLayers.Size(580, 288));
t.ok( layer instanceof OpenLayers.Layer.Image, "new OpenLayers.Layer.Image returns object" );
t.eq( layer.name, "Test Layer", "layer.name is correct" );
t.ok( layer.projection == null, "default layer projection correctly set");
t.ok( layer.options instanceof Object, "layer.options correctly initialized as a non-null Object" );
}
function test_50_Layer_Image_tileTests (t) {
t.plan(9);
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.Image('Test Layer',
'http://earthtrends.wri.org/images/maps/4_m_citylights_lg.gif',
new OpenLayers.Bounds(-180, -88.759, 180, 88.759),
new OpenLayers.Size(580, 288));
map.addLayer(layer);
map.zoomToMaxExtent();
t.ok(layer.imageSize, "layer.imageSize is set");
t.ok(layer.tileSize, "layer.tileSize is set");
t.ok(layer.tileSize.equals(layer.imageSize), "tileSize equals imageSize");
// no resolution info was sent, so maxResolution should be calculated
// by aspectRatio*extent/size (this is the pixel aspect ratio)
var aspectRatio = (layer.extent.getHeight() / layer.size.h) /
(layer.extent.getWidth() / layer.size.w);
t.eq(aspectRatio, layer.aspectRatio, "aspectRatio is properly set");
var maxExtent = aspectRatio * layer.extent.getWidth() / layer.size.w;
t.eq(maxExtent, layer.maxResolution, "maxResolution is properly set");
t.eq(layer.tile.position.x,-42, "Tile x positioned correctly at maxextent");
t.eq(layer.tile.position.y,106, "Tile y positioned correctly at maxextent");
t.eq(layer.tile.imgDiv.src, "http://earthtrends.wri.org/images/maps/4_m_citylights_lg.gif", "URL is correct");
map.zoomIn();
t.eq(layer.tile.imgDiv.src, "http://earthtrends.wri.org/images/maps/4_m_citylights_lg.gif", "URL is correct");
}
/******
*
*
* HERE IS WHERE SOME TESTS SHOULD BE PUT TO CHECK ON THE LONLAT-PX TRANSLATION
* FUNCTIONS AND RESOLUTION AND GETEXTENT GETZOOMLEVEL, ETC
*
*
*/
function test_99_Layer_Image_destroy (t) {
t.plan( 4 );
var map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.Image('Test Layer',
'http://earthtrends.wri.org/images/maps/4_m_citylights_lg.gif',
new OpenLayers.Bounds(-180, -88.759, 180, 88.759),
new OpenLayers.Size(580, 288));
map.addLayer(layer);
map.zoomToMaxExtent();
layer.destroy();
t.eq( layer.name, null, "layer.name is null after destroy" );
t.eq( layer.div, null, "layer.div is null after destroy" );
t.eq( layer.map, null, "layer.map is null after destroy" );
t.eq( layer.options, null, "layer.options is null after destroy" );
}
// -->
</script>
</head>
<body>
<div id="map" style="width:500px;height:500px"></div>
<div id="map2" style="width:100px;height:100px"></div>
</body>
</html>