488 lines
18 KiB
HTML
488 lines
18 KiB
HTML
<html>
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<head>
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<script src="OLLoader.js"></script>
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<script type="text/javascript">
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var isMozilla = (navigator.userAgent.indexOf("compatible") == -1);
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var map;
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var a;
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function test_Events_constructor (t) {
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t.plan(4);
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var mapDiv = OpenLayers.Util.getElement('map');
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var obj = {result: 0};
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events = new OpenLayers.Events(obj, mapDiv);
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t.ok( events instanceof OpenLayers.Events, "new OpenLayers.Control returns object" );
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t.ok(events.object ==obj, " 'object' property correctly set");
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t.ok(events.element == mapDiv, " 'element' property correctly set");
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events.destroy();
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// default/nulls
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events = new OpenLayers.Events(null, null, null);
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t.ok( events.listeners != null,
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"init of Events with null object/element/eventTypes still creates listeners array" );
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events.destroy();
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}
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function test_Events_register(t){
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t.plan(4);
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var ev = {
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'object': {},
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'extensionCount': {
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'listenerA': 0,
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'listenerB': 0
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},
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'listeners': {
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'listenerA': {
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'push': function(options){
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gObjA = options.obj;
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gFuncA = options.func;
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}
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},
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'listenerB': {
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'push': function(options){
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gObjB = options.obj;
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gFuncB = options.func;
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}
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}
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}
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};
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var type = null;
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var object = null;
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var func = null;
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//func null
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gObjA = null; gFuncA = null; gObjB = null; gFuncB = null;
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OpenLayers.Events.prototype.register.apply(ev, [type, object, func]);
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t.ok((gObjA == null) && (gFuncA == null) &&
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(gObjB == null) && (gFuncB == null), "no push called func null");
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//valid func, type not in ev.eventTypes
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func = function() {};
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gObjA = null; gFuncA = null; gObjB = null; gFuncB = null;
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OpenLayers.Events.prototype.register.apply(ev, [type, object, func]);
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t.ok((gObjA == null) && (gFuncA == null) &&
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(gObjB == null) && (gFuncB == null), "no push called func null");
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//valid func, type in ev.eventTypes, null obj
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type = 'listenerA';
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gObjA = null; gFuncA = null; gObjB = null; gFuncB = null;
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OpenLayers.Events.prototype.register.apply(ev, [type, object, func]);
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t.ok((gObjA == ev.object) && (gFuncA == func) &&
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(gObjB == null) && (gFuncB == null), "push called on listenerA's mock array when type passed in 'listenerA'. events.object taken since obj is null.");
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//valid func, type in ev.eventTypes, valid obj
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type = 'listenerB';
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object = {};
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gObjA = null; gFuncA = null; gObjB = null; gFuncB = null;
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OpenLayers.Events.prototype.register.apply(ev, [type, object, func]);
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t.ok((gObjA == null) && (gFuncA == null) &&
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(gObjB == object) && (gFuncB == func), "push called on listenerB's mock array when type passed in 'listenerB'.");
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}
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function test_Events_register_unregister(t) {
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t.plan(20);
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var mapDiv = OpenLayers.Util.getElement('map');
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var obj = {result: 0};
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events = new OpenLayers.Events(obj, mapDiv);
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var func = function () { this.result++ }
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events.register( "doThingA", obj, func );
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var listenerList = events.listeners["doThingA"];
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t.eq( listenerList.length, 1, "register correctly adds to event.listeners" );
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t.ok( listenerList[0].obj == obj, "obj property correctly registered");
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t.ok( listenerList[0].func == func, "func property correctly registered");
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var func2 = function () { this.result-- }
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events.register( "doThingA", obj, func2 );
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var listenerList = events.listeners["doThingA"];
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t.eq( listenerList.length, 2, "register correctly appends new callback to event.listeners[doThingA]" );
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t.ok( listenerList[1].obj == obj, "obj property correctly registered");
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t.ok( listenerList[1].func == func2, "func property correctly registered");
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var func3 = function () { this.result = this.result + 3; }
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events.register( "doThingA", null, func3 );
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var listenerList = events.listeners["doThingA"];
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t.eq( listenerList.length, 3, "register correctly appends new callback to event.listeners[doThingA] even when obj passed in is null" );
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t.ok( listenerList[2].obj == obj, "obj is correctly set to Events.object default when null is passed in.");
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t.ok( listenerList[2].func == func3, "func property correctly registered");
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events.register( "doThingA", obj, null);
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var listenerList = events.listeners["doThingA"];
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t.eq( listenerList.length, 3, "register correctly does not append null callback to event.listeners[doThingA] even when obj passed in is null" );
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events.register("chicken", obj, func);
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t.eq(events.listeners["chicken"].length, 1, "register() allows listeners for any named event");
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events.unregister("chicken", obj, func);
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t.eq(events.listeners["chicken"].length, 0, "unregistering an event that is not in eventTypes list works")
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events.unregister("doThingA", obj, null);
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var listenerList = events.listeners["doThingA"];
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t.eq( listenerList.length, 3, "trying to unregister a null callback does nothing -- but doesnt crash :-)" );
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events.unregister("doThingA", obj, func);
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var found = false;
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for (var i = 0; i < listenerList.length; i++) {
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var listener = listenerList[i];
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if (listener.obj == obj && listener.func == func) {
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found = true;
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}
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}
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t.ok( (listenerList.length == 2) && !found, "unregister correctly removes callback" );
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events.unregister("doThingA", null, func3);
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var found = false;
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for (var i = 0; i < listenerList.length; i++) {
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var listener = listenerList[i];
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if (listener.obj == obj && listener.func == func) {
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found = true;
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}
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}
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t.ok( (listenerList.length == 1) && !found, "unregister correctly removes callback when no obj specified" );
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var func4 = function () { this.result = "chicken"; }
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events.unregister("doThingA", obj, func4);
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t.ok( (listenerList.length == 1), "unregister does not bomb if you try to remove an unregistered callback" );
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var obj2 = { chicken: 151 };
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events.unregister("doThingA", obj2, func2);
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t.ok( (listenerList.length == 1), "unregister does not bomb or accidntally remove if you try to remove a valid callback on a valid event type, but with the wrong context object" );
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events.unregister("doThingA", obj, null);
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t.ok( (listenerList.length == 1), "unregister does not bomb if you try to remove a null callback" );
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try {
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events.unregister("asdf", obj, func);
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t.ok("unregistering for an event with no registered listeners works");
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} catch (err) {
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t.fail("unregistering for an event with no registered listeners causes trouble: " + err);
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}
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events.register("buttonclick", obj, func);
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t.ok(events.extensions.buttonclick, "buttonclick extension registered");
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}
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function test_Events_remove(t) {
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t.plan( 2 );
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var mapDiv = OpenLayers.Util.getElement('map');
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var obj = {result: 0};
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events = new OpenLayers.Events(obj, mapDiv);
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var func = function () { this.result++ }
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var func2 = function () { this.result-- }
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var func3 = function () { this.result = this.result + 3; }
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events.register( "doThingA", obj, func );
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events.register( "doThingA", obj, func2 );
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events.register( "doThingA", null, func3 );
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events.remove("doThingA");
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t.eq( events.listeners["doThingA"].length, 0, "remove() correctly clears the event listeners" );
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events.remove("chicken");
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t.ok( events.listeners["chicken"] == null, "remove on non-enabled event does not break or accidentally enable the event");
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}
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function test_Events_triggerEvent(t) {
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t.plan(13);
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var mapDiv = OpenLayers.Util.getElement('map');
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var obj = {result: 0};
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events = new OpenLayers.Events(obj, mapDiv);
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var func = function () { this.result++ }
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events.register( "doThingA", obj, func );
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events.triggerEvent("doThingA", {});
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t.eq( obj.result, 1, "result is 1 after we call triggerEvent" );
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events.triggerEvent("doThingA");
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t.eq( obj.result, 2, "result is 2 after we call triggerEvent with no event" );
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var funcB = function() { this.FUNK = "B"; return false; }
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events.register( "doThingA", obj, funcB);
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events.triggerEvent("doThingA");
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t.ok ((obj.result == 3) && (obj.FUNK == "B"), "executing multiple callbacks works")
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var funcZ = function() { this.FUNK = "Z"; }
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events.register( "doThingA", obj, funcZ);
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events.triggerEvent("doThingA");
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t.ok ((obj.result == 4) && (obj.FUNK == "B"), "executing multiple callbacks works, and when one returns false, it stops chain correctly")
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var func2 = function() { this.result = this.result + 10; }
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events.register( "doThingB", null, func2);
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events.triggerEvent("doThingB");
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t.eq( obj.result, 14, "passing a null object default gets set correctly");
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//no specific t.ok for this one, but if it breaks, you will know it.
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events.triggerEvent("chicken");
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events = new OpenLayers.Events(null, mapDiv);
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// a is global variable (context-irrelevant)
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a = 0;
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var func = function () { a = 5; }
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events.register( "doThingC", null, func );
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events.triggerEvent("doThingC");
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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");
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// trigger events with additional arguments
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events = new OpenLayers.Events();
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var instance = {id: Math.random()};
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var listener = function(obj) {
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t.eq(this.id, instance.id,
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"listener called with proper scope");
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t.eq(arguments.length, 1,
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"listener called with a single argument");
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t.eq(typeof arguments, "object",
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"listener called with an object");
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t.eq(obj.foo, evt.foo,
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"foo property set on the layer");
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};
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events.register("something", instance, listener);
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var evt = {
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id: Math.random(),
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"foo": "bar"
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};
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events.triggerEvent("something", evt);
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events.unregister("something", instance, listener);
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// test return from triggerEvent
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var listener1 = function() {
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return "foo";
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}
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var listener2 = function() {
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return false;
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}
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var listener3 = function() {
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t.fail("never call me again!");
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}
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events.register("something", instance, listener1);
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var ret = events.triggerEvent("something", evt);
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t.eq(ret, "foo", "correct return from single listener");
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events.register("something", instance, listener2);
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ret = events.triggerEvent("something", evt);
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t.eq(ret, false, "correct return for two listeners");
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events.register("something", instance, listener3);
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ret = events.triggerEvent("something", evt);
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t.eq(ret, false, "correct return for three listeners where second cancels");
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events.unregister("something", instance, listener1);
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events.unregister("something", instance, listener2);
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events.unregister("something", instance, listener3);
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}
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function test_Events_handleBrowserEvent(t) {
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t.plan(8);
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var events = new OpenLayers.Events({}, null);
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events.on({'sometouchevent': function() {}});
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// this test verifies that when handling a touch event we correctly
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// set clientX and clientY in the event object
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var evt = {type: 'sometouchevent',
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touches: [{clientX: 1, clientY: 1}, {clientX: 2, clientY: 2}]
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};
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events.handleBrowserEvent(evt);
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t.eq(evt.clientX, 1.5, "evt.clientX value is correct");
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t.eq(evt.clientY, 1.5, "evt.clientY value is correct");
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// test bug where clientX/clientY includes scroll offset
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window.olMockWin = {
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pageXOffset: 10,
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pageYOffset: 20
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};
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evt = {type: 'sometouchevent',
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touches: [{
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clientX: 11,
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clientY: 21,
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pageX: 0,
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pageY: 0
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}]
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};
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events.handleBrowserEvent(evt);
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t.eq(evt.clientX, 1, "evt.clientX value is correct");
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t.eq(evt.clientY, 1, "evt.clientY value is correct");
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// test bug where clientX/clientY have negative values
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evt = {
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type: 'sometouchevent',
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touches: [{
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clientX: -412,
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clientY: -1005,
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pageX: 11,
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pageY: 21
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}]
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};
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events.handleBrowserEvent(evt);
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t.eq(evt.clientX, 1, "evt.clientX value is correct");
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t.eq(evt.clientY, 1, "evt.clientY value is correct");
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window.olMockWin = {
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pageXOffset: 11,
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pageYOffset: 299
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};
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evt = {
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type: 'sometouchevent',
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touches: [{
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clientX: 223,
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clientY: 119,
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pageX: 242,
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pageY: 623
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}]
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};
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events.handleBrowserEvent(evt);
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t.eq(evt.clientX, 231, "evt.clientX value is correct");
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t.eq(evt.clientY, 324, "evt.clientY value is correct");
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window.olMockWin = undefined;
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}
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function test_Events_attachToElement(t) {
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t.plan(3);
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var events = new OpenLayers.Events({}, null);
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var element = document.createElement("div");
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events.attachToElement(element);
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t.ok(events.eventHandler, "eventHandler method bound");
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t.ok(events.clearMouseListener, "clearMouseListener method bound");
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t.ok(events.element === element, "element set");
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}
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function test_Events_destroy (t) {
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t.plan(2);
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var div = OpenLayers.Util.getElement('test');
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var obj = {};
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var events = new OpenLayers.Events(obj, div);
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// +1 because of blocking dragstart in attachToElement()
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t.eq(OpenLayers.Event.observers[div._eventCacheID].length,
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OpenLayers.Events.prototype.BROWSER_EVENTS.length + 1,
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"construction creates new arrayin hash, registers appropriate events");
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events.destroy();
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events = null;
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t.eq(OpenLayers.Event.observers["test"], null,
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"destruction removes the event observer from hash");
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}
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function test_Event(t) {
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t.plan(24);
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var div = OpenLayers.Util.getElement('test');
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var name = "mouseover";
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var func = function() {};
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//1st elem 1st listener
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OpenLayers.Event.observe(div, name, func);
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var cacheID = div._eventCacheID;
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t.ok(cacheID, "element given new cache id");
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var elementObservers = OpenLayers.Event.observers[cacheID];
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t.ok(elementObservers, "new cache bucket made for event");
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t.eq(elementObservers.length, 1, "one listener registered");
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var listener = elementObservers[0];
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t.ok(listener.element == div, "element registered");
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t.eq(listener.name, name, "name registered");
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t.ok(listener.observer == func, "function registered");
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t.eq(listener.useCapture, false, "useCapture defaults to false");
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//1st elem 2nd listener
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name = "mouseout";
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var newFunc = function() {};
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OpenLayers.Event.observe(div, name, newFunc, true);
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var newCacheID = div._eventCacheID;
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t.eq(newCacheID, cacheID, "element's cache id not overridden");
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t.eq(elementObservers.length, 2, "listener added to existing bucket");
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var listener = elementObservers[1];
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t.ok(listener.element == div, "element registered");
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t.eq(listener.name, name, "name registered");
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t.ok(listener.observer == newFunc, "function registered");
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t.eq(listener.useCapture, true, "useCapture correctly registered");
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//2st elem 1st listener
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div = OpenLayers.Util.getElement('test2');
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OpenLayers.Event.observe(div, name, func);
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var cacheID = div._eventCacheID;
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t.ok(cacheID, "new element given new cache id");
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t.ok(cacheID != newCacheID, "new cache id is unique");
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elementObservers = OpenLayers.Event.observers[cacheID];
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t.ok(elementObservers, "new cache bucket made for event");
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t.eq(elementObservers.length, 1, "one listener registered");
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var listener = elementObservers[0];
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t.ok(listener.element == div, "element registered");
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t.eq(listener.name, name, "name registered");
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t.ok(listener.observer == func, "function registered");
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t.eq(listener.useCapture, false, "useCapture defaults to false");
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//stopObservingElement by element
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OpenLayers.Event.stopObservingElement(div);
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elementObservers = OpenLayers.Event.observers[cacheID];
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t.ok(elementObservers == null, "stopObservingElement by elem works");
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//stopObservingElement by id
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OpenLayers.Event.stopObservingElement("test");
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elementObservers = OpenLayers.Event.observers[newCacheID];
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t.ok(elementObservers == null, "stopObservingElement by id works");
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//unloadCache by element
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OpenLayers.Event.observe(div, name, func);
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OpenLayers.Event.unloadCache();
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elementObservers = OpenLayers.Event.observers[cacheID];
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t.ok(elementObservers == null, "stopObservingElement by elem works");
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}
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</script>
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</head>
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<body>
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<div id="map" style="width: 1024px; height: 512px;"/>
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<div id="test"></div>
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<div id="test2"></div>
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</body>
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</html>
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