diff --git a/tests/Util.html b/tests/Util.html
index 43db83c06d..2357b54e2c 100644
--- a/tests/Util.html
+++ b/tests/Util.html
@@ -1120,7 +1120,31 @@
t.eq(OpenLayers.Util.getFormattedLonLat(-181, "lon"), "179°00'00\"E", "crossing dateline from the west results in correct east coordinate");
t.eq(OpenLayers.Util.getFormattedLonLat(181, "lon"), "179°00'00\"W", "crossing dateline from the east results in correct west coordinate");
}
-
+
+ /**
+ * To test that we can safely call OpenLayers.Util.extend with an Event
+ * instance, we need to capture a real event.
+ */
+ var loadEvent;
+ window.onload = function(evt) {
+ loadEvent = evt || window.event;
+ }
+ function test_extend_event(t) {
+ t.plan(2);
+ t.ok(loadEvent, "loadEvent recorded");
+ var extended, err;
+ try {
+ extended = OpenLayers.Util.extend({foo: "bar"}, loadEvent);
+ } catch (e) {
+ err = e;
+ }
+ if (err) {
+ t.fail("Failed to extend with an event: " + err.message);
+ } else {
+ t.eq(extended && extended.foo, "bar", "extended with event");
+ }
+ }
+