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<html> |
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<head> |
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<script src="../../lib/OpenLayers.js"></script> |
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<script type="text/javascript"> |
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var map; |
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function test_Control_Scale_constructor (t) { |
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t.plan( 2 ); |
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|
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control = new OpenLayers.Control.Scale(); |
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t.ok( control instanceof OpenLayers.Control.Scale, "new OpenLayers.Control returns object" ); |
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t.eq( control.displayClass, "olControlScale", "displayClass is correct" ); |
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} |
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function test_Control_Scale_initwithelem (t) { |
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t.plan( 1 ); |
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|
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control = new OpenLayers.Control.Scale(OpenLayers.Util.getElement('scale')); |
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t.ok(true, "If this happens, then we passed. (FF throws an error above otherwise)"); |
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} |
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function test_Control_Scale_updateScale (t) { |
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t.plan( 4 ); |
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|
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control = new OpenLayers.Control.Scale('scale'); |
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t.ok( control instanceof OpenLayers.Control.Scale, "new OpenLayers.Control returns object" ); |
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map = new OpenLayers.Map('map'); |
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layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'}); |
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map.addLayer(layer); |
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map.zoomTo(0); |
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map.addControl(control); |
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t.eq(OpenLayers.Util.getElement('scale').innerHTML, "Scale = 1 : 443M", "Scale set by default." ); |
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map.zoomIn(); |
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t.eq(OpenLayers.Util.getElement('scale').innerHTML, "Scale = 1 : 221M", "Zooming in changes scale" ); |
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map.baseLayer.resolutions = [OpenLayers.Util.getResolutionFromScale(110)]; |
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map.zoomTo(0); |
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t.eq(OpenLayers.Util.getElement('scale').innerHTML, "Scale = 1 : 110", "Scale of 100 isn't rounded" ); |
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} |
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function test_Control_Scale_internalScale (t) { |
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t.plan(2); |
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control = new OpenLayers.Control.Scale(); |
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t.ok( control instanceof OpenLayers.Control.Scale, "new OpenLayers.Control returns object" ); |
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map = new OpenLayers.Map('map'); |
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layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'}); |
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map.addLayer(layer); |
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map.zoomTo(0); |
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map.addControl(control); |
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t.eq(control.div.firstChild.innerHTML, "Scale = 1 : 443M", "Internal scale displayed properly."); |
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} |
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</script> |
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</head> |
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<body> |
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<a id="scale" href="">Scale</a> <br /> |
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<div id="map" style="width: 1024px; height: 512px;"/> |
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</body> |
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</html> |
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