Make the drag handler only call done if it actually dragged - thanks for the review Eric (closes #1118).

git-svn-id: http://svn.openlayers.org/trunk/openlayers@5097 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

tests/Handler/test_Drag.html

@@ -87,7 +87,7 @@
     }
 
     function test_Handler_Drag_callbacks(t) {
-        t.plan(33);
+        t.plan(34);
         
         var map = new OpenLayers.Map('map', {controls: []});
 
@@ -187,6 +187,14 @@
         OpenLayers.Event.isLeftClick = oldIsLeftClick;
         handler.checkModifiers = oldCheckModifiers;
 
+        // test mouseup before mousemove
+        var realUp = testEvents.up;
+        testEvents.up = testEvents.down;
+        // this will fail with notice about the done callback being called
+        // if done is called when it shouldn't be
+        map.events.triggerEvent("mouseup", testEvents.up);
+        testEvents.up = realUp;
+
         // test mousemove
         handler.started = false;
         map.events.triggerEvent("mousemove", {xy: {x: null, y: null}});