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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Memory Test - Layer.Markers / Marker</title>
<style type="text/css">
body {
font-size: 0.8em;
}
p {
padding-top: 1em;
}
#map {
width: 256px;
height: 256px;
border: 1px solid black;
}
</style>
<script src="../../../lib/Firebug/firebug.js"></script>
<script src="../../../lib/OpenLayers.js"></script>
<script type="text/javascript">
var map, layer, marker;
function init(){
map = new OpenLayers.Map('map');
map.addLayer(new OpenLayers.Layer.WMS( "OpenLayers WMS",
"http://labs.metacarta.com/wms/vmap0", {layers: 'basic'} ));
map.setCenter(new OpenLayers.LonLat(0, 0), 0);
layer = new OpenLayers.Layer.Markers( "Markers" );
map.addLayer(layer);
marker = new OpenLayers.Marker(new OpenLayers.LonLat(0,0));
layer.addMarker(marker);
window.setTimeout(function() {
layer.removeMarker(marker);
layer.addMarker(marker);
// people SHOULD call marker.destroy(). But if they don't
// we leak memory.
//marker.destroy();
window.alert("Setup - hit STOP in the leak detector now");
}, 100);
}
</script>
</head>
<body onload="init()">
<h1 id="title">Memory Test - Layer.Markers / Marker</h1>
<pre id="status"></pre>
<div id="map"></div>
<p>
This test is a memory leak test for usage of Layer.Markers / Marker.
</p>
<p>
Run this test in IE6/7 with <a href="http://blogs.msdn.com/gpde/pages/javascript-memory-leak-detector-v2.aspx">JavaScript Memory Leak Detector v2</a>
and watch it identify a leak unless this is fixed.
</p>
</body>
</html>
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