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Fix the event listener leak, which has been a serious problem when large numbers of markers etc. are created. Closes #510.

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git-svn-id: http://svn.openlayers.org/trunk/openlayers@2867 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
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Schuyler Erle
2007-03-23 14:22:38 +00:00
parent 803e8b9dbd
commit f99d1ce7b0
3 changed files with 115 additions and 12 deletions
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16
tests/test_Events.html
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@@ -201,11 +201,27 @@
t.eq(a, 5, "if Events has no object set and an event is registered also with no object, triggerEvent() calls it without trying to set the context to null");
}
function test_05_Event_destroy (t) {
t.plan(2);
var start = OpenLayers.Event.observers.length;
var div = OpenLayers.Util.getElement('test');
var obj = {};
var events = new OpenLayers.Events(obj, div);
// +1 because of blocking dragstart in attachToElement()
t.eq(OpenLayers.Event.observers.length,
start + OpenLayers.Events.prototype.BROWSER_EVENTS.length + 1,
"construction increases the number of event observers");
events = events.destroy();
t.eq(OpenLayers.Event.observers.length, start,
"destruction restores the number of event observers");
}
// -->
</script>
</head>
<body>
<div id="map" style="width: 1024px; height: 512px;"/>
<div id="test"></div>
</body>
</html>